tcl.git - Tcl is a high-level, general-purpose, interpreted, dynamic programming language. It was designed with the goal of being very simple but powerful.

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author	dkf <donal.k.fellows@manchester.ac.uk>	2007-11-13 14:39:14 (GMT)
committer	dkf <donal.k.fellows@manchester.ac.uk>	2007-11-13 14:39:14 (GMT)
commit	a4ad9e9083662f62f8f3df8f9901a114be5cbf24 (patch)
tree	d1972ae9fb8411771a5ca0f5d5a6f44025f6ab44 /unix/tclUnixCompat.c
parent	14dffaee29a638e2bb45cb3a9d747315b1fd9f74 (diff)
download	tcl-a4ad9e9083662f62f8f3df8f9901a114be5cbf24.zip tcl-a4ad9e9083662f62f8f3df8f9901a114be5cbf24.tar.gz tcl-a4ad9e9083662f62f8f3df8f9901a114be5cbf24.tar.bz2

The six-argument form of getaddressbyname_r() uses the fifth argument to

indicate whether the lookup succeeded or not on at least one platform. [Bug 1618235]

Diffstat (limited to 'unix/tclUnixCompat.c')

-rw-r--r--

unix/tclUnixCompat.c

1 files changed, 2 insertions, 2 deletions

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AM_MAINTAINER_MODE AC_OUTPUT_COMMANDS([ echo "creating src/H5pubconf.h" sed 's/#define /#define H5_/' <src/H5config.h |\ sed 's/#undef /#undef H5_/' >pubconf if test ! -f src/H5pubconf.h; then /bin/mv -f pubconf src/H5pubconf.h elif (diff pubconf src/H5pubconf.h >/dev/null); then rm -f pubconf echo "src/H5pubconf.h is unchanged" else /bin/mv -f pubconf src/H5pubconf.h fi ]) dnl It's possible to configure for a host other than the one on which dnl configure is currently running by using the --host=foo flag. dnl For machines on which HDF5 is often configured, it can be convenient dnl to specify the name of the machine rather than its canonical type. case $host_alias in redstorm) host_alias=x86_64-redstorm-linux-gnu ;; esac AC_CANONICAL_HOST AC_SUBST([CPPFLAGS]) dnl H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but dnl not exported to h5cc (or h5fc, etc.) AC_SUBST([H5_CFLAGS]) AC_SUBST([H5_CPPFLAGS]) AC_SUBST([H5_FCFLAGS]) AC_SUBST([H5_CXXFLAGS]) dnl Make sure flags are set to something (otherwise macros may set them later). 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This is okay on most systems, dnl but seems to cause problems on Cygwin. dnl The solution on Cygwin is not to record execution time for tests. AC_MSG_CHECKING([if srcdir= and time commands work together]) AC_SUBST([TIME]) TIME=time TIME_TEST=`foo="bar" ${TIME} echo 'baz' 2> /dev/null | grep baz` if test "X${TIME_TEST}" = "Xbaz"; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) TIME= fi dnl The following variables are used to distinguish between building a dnl serial and parallel library. dnl dnl HAVE_PARALLEL -- defined in H5config.h if we are building dnl a parallel library even if configure wasn't dnl able to find some header file or library that dnl might be required. This is defined if the dnl compiler looks like a parallel compiler (e.g., dnl mpicc or mpcc) or if the user explicitly states dnl that a parallel library is being built by supplying dnl the `--enable-parallel' configure switch. dnl dnl PARALLEL -- This variable is set to a non-null value if dnl configure thinks we're compiling a parallel dnl version of the library. dnl dnl RUNSERIAL -- This is a command which will be prepended to dnl the executable name to run the executable using dnl a single process. For serial versions of the dnl library this will normally be empty. For parallel dnl versions it might be something like `mpirun -np 1'. dnl The value of this variable is substituted in *.in dnl files. dnl dnl RUNPARALLEL -- This is a command which will be prepended to dnl the executable name to run the executable on dnl multiple processors. For the serial library the dnl value will normally be the empty string. 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Use mpirun from the same directory dnl if it exists. PARALLEL=mpif90 AC_MSG_CHECKING([for mpirun]) dnl Find the path where mpif90 is located. cmd=`echo $FC |cut -f1 -d' '` if (echo $cmd |grep / >/dev/null); then path="`echo $cmd |sed 's/$.*$\/.*$/\1/'`" else for path in `echo $PATH | ${TR} ":" " "`; do if test -x $path/$cmd; then break; fi done fi dnl Is there an mpirun at that path? if test -x $path/mpirun; then AC_MSG_RESULT([$path/mpirun]) RUNSERIAL="${RUNSERIAL:-none}" if test -z "$RUNPARALLEL"; then RUNPARALLEL="$path/mpirun -np \$\${NPROCS:=2}" fi else AC_MSG_RESULT([none]) fi ;; *mpxlf* | *mpxlf_r* | *mpxlf90* | *mpxlf90_r* | *mpxlf95* | *mpxlf95_r*) dnl The IBM compiler PARALLEL="$FC" ;; *) dnl Probably not a parallel compiler, but if `--enable-parallel' dnl is defined below then we're still building a parallel hdf5. ;; esac dnl Change to the C language AC_LANG_POP(Fortran) fi dnl ----------------------------------------------------------------------------- dnl If shared libraries are being used with parallel, disable them, unless the dnl user explicity enables them via the '--enable-shared' option. if test "X${enable_shared}" = "X" -a "X${enable_parallel}" = "Xyes"; then echo ' shared libraries disabled in parallel' enable_shared="no" elif test "X${enable_shared}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then echo ' shared libraries explicitly enabled by user' elif test "X${enable_shared}" = "X" -a "X${PARALLEL}" != "X"; then echo ' shared libraries disabled when a parallel compiler is being used' enable_shared="no" elif test "X${enable_shared}" = "Xyes" -a "X${PARALLEL}" != "X"; then echo ' shared libraries explicitly enabled by user' fi dnl ---------------------------------------------------------------------- dnl As of Libtool 1.5.14, libtool officially doesn't know how to create dnl shared libraries with pgcc. In fact, it is able to do so on some dnl platforms, but not all (e.g., pgcc 5.2-4 on mir). dnl Disable shared libraries when using pgcc. -JL 09/2005 if test "X${enable_shared}" != "Xno" && \ (${CC-cc} -V 2>&1 | grep '^pgcc') > /dev/null; then echo ' warning: shared libraries are not supported for pgcc!' echo ' disabling shared libraries' enable_shared="no" fi dnl ---------------------------------------------------------------------- dnl Many Fortran compilers don't support shared libraries. Some of these dnl compilers include: dnl pgf90 version 6.0-4 dnl Absoft 32bit Fortran 95 9.0 dnl HP F90 v2.4 dnl Intel Fortran Compiler 8.1 dnl If any of these compilers is being used, disable shared libraries for dnl Fortran. 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Detect dnl these versions and add option "-Mx,28,0x8" to the compiler to avoid dnl the problem if optimization is enabled. dnl if (${CC-cc} -V 2>&1 | grep '^pgcc 6.0') > /dev/null && test "X$enable_production" = "Xyes"; then echo 'adding compiler flag to avoid optimization problem in pgcc' CC="${CC-cc} -Mx,28,0x8" fi dnl ---------------------------------------------------------------------- dnl Shared libraries are not currently supported under Cygwin. case "`uname`" in CYGWIN*) if test "X${enable_shared}" = "Xyes"; then echo ' warning: shared libraries are not supported on Cygwin!' echo ' disabling shared libraries' fi enable_shared="no" ;; esac dnl ---------------------------------------------------------------------- dnl Create libtool. If shared/static libraries are going to be enabled dnl or disabled, it should happen before these macros. AC_LIBTOOL_DLOPEN AM_PROG_LIBTOOL dnl Post processing to patch up some deficiencies in libtool (as of dnl Libtool 1.5.14) case $host_os in linux* | freebsd* ) # If gcc is not used, need to set $wl to use "-Wl," if $CC -v 2>&1 | grep '^gcc' > /dev/null ; then : using gcc else echo 'fixing $wl in' $ofile ed - $ofile <<EOF 2> /dev/null /^wl=""/s//wl="-Wl,"/ w q EOF fi ;; esac dnl Fix up the INSTALL macro if it's a relative path. We want the dnl full-path to the binary instead. case "$INSTALL" in *install-sh*) INSTALL='\${top_srcdir}/bin/install-sh -c' ;; esac AC_MSG_CHECKING([make]) dnl ---------------------------------------------------------------------- dnl Sometimes makes think the `.PATH:' appearing before the first rule dnl with an action should override the `all' default target. So we have dnl to decide what the proper syntax is. dnl AC_MSG_CHECKING([how make searches directories]) while true; do #for break # The most common method is `VPATH=DIR1 DIR2 ...' cat >maketest <<EOF VPATH=$srcdir/config $srcdir/src $srcdir/bin .c.o: cp $< H5.o foo: H5.o rm -f H5.o @echo works EOF if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then SEARCH_RULE='VPATH=' SEARCH_SEP=' ' AC_MSG_RESULT([VPATH=DIR1 DIR2 ...]) break fi dnl The second most common method is like above except with the dnl directories separated by colons. cat >maketest <<EOF VPATH=$srcdir/config:$srcdir/src:$srcdir/bin .c.o: cp $< H5.o foo: H5.o rm -f H5.o @echo works EOF if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then SEARCH_RULE='VPATH=' SEARCH_SEP=':' AC_MSG_RESULT([VPATH=DIR1:DIR2:...]) break fi dnl pmake uses the construct `.PATH: DIR1 DIR2 cat >maketest <<EOF .PATH: $srcdir/config $srcdir/src $srcdir/bin .c.o: cp $< H5.o foo: H5.o rm -f H5.o @echo works EOF if (MAKE= ${MAKE-make} -f maketest foo) >/dev/null 2>&1; then SEARCH_RULE='.PATH: ' SEARCH_SEP=' ' AC_MSG_RESULT([.PATH: DIR1 DIR2 ...]) break fi dnl No way for make to search directories SEARCH_RULE='## SEARCH DISABLED: ' SEARCH_SEP=' ' AC_MSG_RESULT([it doesn't]) if test ! -f configure; then AC_MSG_ERROR([${MAKE-make} requires the build and source directories to be the same]) fi break done rm maketest dnl ---------------------------------------------------------------------- dnl pmake will throw an error if variables are undefined in a Makefile. dnl These errors can be changed to warnings using the -V flag. dnl AC_SUBST(AM_MAKEFLAGS) AM_MAKEFLAGS="" dnl Don't run test if MAKE is defined but is the empty string if test -n "${MAKE-make}"; then AC_MSG_CHECKING([whether make will build with undefined variables]) cat >maketest <<EOF foo: \$(UNDEFINED) \$(UNDEFINED2) @echo \$(UNDEFINED3) works EOF if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no, setting -V flag]) AM_MAKEFLAGS="\-V" fi rm maketest fi dnl ---------------------------------------------------------------------- dnl Production flags? Save the value in $CONFIG_MODE so we have it for dnl the record. dnl AC_MSG_CHECKING(for production mode) AC_ARG_ENABLE(production, [AC_HELP_STRING([--enable-production], [Determines how to run the compiler.])]) case "X-$enable_production" in X-yes) enable_production="yes" AC_MSG_RESULT([production]) dnl Remove the "-g" flag from CFLAGS if it's in there. dnl CFLAGS_temp="" if test -n "$CFLAGS"; then for d in $CFLAGS ; do if test "X$d" != "X-g"; then CFLAGS_temp="$CFLAGS_temp $d" fi done CFLAGS=$CFLAGS_temp fi CXXFLAGS_temp="" if test -n "$CXXFLAGS"; then for d in $CXXFLAGS ; do if test "X$d" != "X-g"; then CXXFLAGS_temp="$CXXFLAGS_temp $d" fi done CXXFLAGS=$CXXFLAGS_temp fi FCFLAGS_temp="" if test -n "$FCFLAGS"; then for d in $FCFLAGS ; do if test "X$d" != "X-g"; then FCFLAGS_temp="$FCFLAGS_temp $d" fi done FCFLAGS=$FCFLAGS_temp fi CONFIG_MODE=production H5_CFLAGS="$H5_CFLAGS $PROD_CFLAGS" H5_CPPFLAGS="$H5_CPPFLAGS $PROD_CPPFLAGS" H5_CXXFLAGS="$H5_CXXFLAGS $PROD_CXXFLAGS" H5_FCFLAGS="$H5_FCFLAGS $PROD_FCFLAGS" ;; X-|X-no) enable_production="no" AC_MSG_RESULT([development]) CONFIG_MODE=development H5_CFLAGS="$H5_CFLAGS $DEBUG_CFLAGS" H5_CPPFLAGS="$H5_CPPFLAGS $DEBUG_CPPFLAGS" H5_CXXFLAGS="$H5_CXXFLAGS $DEBUG_CXXFLAGS" H5_FCFLAGS="$H5_FCFLAGS $DEBUG_FCFLAGS" ;; X-pg|X-profile) enable_production="profile" AC_MSG_RESULT([profile]) CONFIG_MODE=profile H5_CFLAGS="$H5_CFLAGS $PROFILE_CFLAGS" H5_CPPFLAGS="$H5_CPPFLAGS $PROFILE_CPPFLAGS" H5_CXXFLAGS="$H5_CXXFLAGS $PROFILE_CXXFLAGS" H5_FCFLAGS="$H5_FCFLAGS $PROFILE_FCFLAGS" ;; *) enable_production="user-defined" AC_MSG_RESULT([user-defined]) CONFIG_MODE="$X-enableval" ;; esac dnl ---------------------------------------------------------------------- dnl Check for system libraries. dnl AC_CHECK_LIB([m], [ceil]) if test "`uname`" = "SunOS" -o "`uname -sr`" = "HP-UX B.11.00"; then dnl ...for Solaris AC_CHECK_LIB([socket], [socket]) AC_CHECK_LIB([nsl], [xdr_int]) fi dnl AC_CHECK_LIB([coug], [main]) dnl ...for ASCI/Red dnl ---------------------------------------------------------------------- dnl Check for system header files. dnl AC_HEADER_STDC AC_HEADER_TIME dnl ---------------------------------------------------------------------- dnl Check for these two functions before <sys/time.h> is checked for, otherwise dnl they are not detected correctly on Solaris [2.6]. dnl AC_CHECK_FUNCS(difftime) AC_CHECK_FUNCS(gettimeofday, [have_gettime="yes"], [have_gettime="no"]) dnl Unix AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h]) AC_CHECK_HEADERS([sys/socket.h sys/types.h]) AC_CHECK_HEADERS([stddef.h setjmp.h features.h]) AC_CHECK_HEADERS([stdint.h], [C9x=yes]) dnl Windows case "`uname`" in CYGWIN*) AC_CHECK_HEADERS([io.h sys/timeb.h]) ;; *) AC_CHECK_HEADERS([io.h winsock.h sys/timeb.h]) ;; esac case "$host" in alpha*-dec*-osf*) dnl The <sys/sysinfo.h> and <sys/proc.h> are needed on the DEC dnl Alpha to turn off UAC fixing. We do *not* attempt to dnl locate these files on other systems because there are too dnl many problems with including them. AC_CHECK_HEADERS([sys/sysinfo.h sys/proc.h]) ;; mips*-sgi*-irix*) dnl The <sys/fpu.h> is needed on the SGI machines to turn off dnl denormalized floating-point values going to zero. We do *not* dnl attempt to dnl locate these files on other systems because there dnl may be problems with including them. AC_CHECK_HEADERS([sys/fpu.h]) AC_CHECK_FUNCS([get_fpc_csr]) ;; esac dnl ---------------------------------------------------------------------- dnl Test for 64bit stuff before the data types and their sizes. The dnl result could effect the outcome of the sizeof macros below. dnl case "$host_cpu-$host_vendor-$host_os" in *linux*) dnl ---------------------------------------------------------------------- dnl Enable large file support on linux? Store the result in the LINUX_LFS dnl variable for posterity AC_ARG_ENABLE([linux-lfs], [AC_HELP_STRING([--enable-linux-lfs], [Enable support for large (64-bit) files on Linux. [default=check]])]) LINUX_LFS="no" case "X-$enable_linux_lfs" in X-yes) LINUX_LFS=yes ;; X-no) ;; X-|*) MAJOR_VER="`uname -r | cut -d '.' -f1`" MINOR_VER="`uname -r | cut -d '.' -f2`" if test ${MAJOR_VER} -gt 2 -o ${MAJOR_VER} -eq 2 -a ${MINOR_VER} -ge 4; then LINUX_LFS="yes" fi ;; esac AC_MSG_CHECKING([for large file support mode on Linux]) if test "X$LINUX_LFS" = "Xyes"; then AC_MSG_RESULT([enabled]) CPPFLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $CPPFLAGS" else AC_MSG_RESULT([disabled]) fi dnl Add POSIX support on Linux systems, so <features.h> defines dnl __USE_POSIX, which is required to get the prototype for fdopen dnl defined correctly in <stdio.h> CPPFLAGS="-D_POSIX_SOURCE $CPPFLAGS" dnl Also add BSD support on Linux systems, so <features.h> defines dnl __USE_BSD, which is required to get the prototype for strdup dnl defined correctly in <string.h> and snprintf & vsnprintf defined dnl correctly in <stdio.h> CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS" ;; esac AC_TRY_COMPILE([#include <sys/types.h>], [off64_t n = 0;], [AC_CHECK_FUNCS([lseek64 fseek64 fseeko ftello])], [AC_MSG_RESULT([skipping test for lseek64(), fseek64(), fseeko(), and ftello])]) AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/stat.h>], [struct stat64 sb;], [AC_CHECK_FUNCS([stat64 fstat64])], [AC_MSG_RESULT([skipping test for stat64() and fstat64()])]) dnl ---------------------------------------------------------------------- dnl Data types and their sizes. dnl AC_TYPE_OFF_T AC_CHECK_TYPE([size_t], [unsigned long]) AC_CHECK_TYPE([ssize_t], [long]) AC_C_BIGENDIAN AC_CHECK_SIZEOF([char], [1]) AC_CHECK_SIZEOF([short], [2]) AC_CHECK_SIZEOF([int], [4]) AC_CHECK_SIZEOF([long], [4]) AC_CHECK_SIZEOF([long long], [8]) AC_CHECK_SIZEOF([__int64], [8]) AC_CHECK_SIZEOF([float], [4]) AC_CHECK_SIZEOF([double], [8]) AC_CHECK_SIZEOF([long double], [8]) dnl Checkpoint the cache AC_CACHE_SAVE dnl Posix.1g types (C9x) cat >>confdefs.h <<\EOF #include <sys/types.h> EOF if test "X$C9x" = "Xyes"; then cat >>confdefs.h <<\EOF #include <stdint.h> EOF fi AC_CHECK_SIZEOF( int8_t, [1]) AC_CHECK_SIZEOF( uint8_t, [1]) AC_CHECK_SIZEOF( int_least8_t, [1]) AC_CHECK_SIZEOF( uint_least8_t, [1]) AC_CHECK_SIZEOF( int_fast8_t, [1]) AC_CHECK_SIZEOF( uint_fast8_t, [1]) AC_CHECK_SIZEOF( int16_t, [2]) AC_CHECK_SIZEOF( uint16_t, [2]) AC_CHECK_SIZEOF( int_least16_t, [2]) AC_CHECK_SIZEOF(uint_least16_t, [2]) AC_CHECK_SIZEOF( int_fast16_t, [2]) AC_CHECK_SIZEOF( uint_fast16_t, [2]) AC_CHECK_SIZEOF( int32_t, [4]) AC_CHECK_SIZEOF( uint32_t, [4]) AC_CHECK_SIZEOF( int_least32_t, [4]) AC_CHECK_SIZEOF(uint_least32_t, [4]) AC_CHECK_SIZEOF( int_fast32_t, [4]) AC_CHECK_SIZEOF( uint_fast32_t, [4]) AC_CHECK_SIZEOF( int64_t, [8]) AC_CHECK_SIZEOF( uint64_t, [8]) AC_CHECK_SIZEOF( int_least64_t, [8]) AC_CHECK_SIZEOF(uint_least64_t, [8]) AC_CHECK_SIZEOF( int_fast64_t, [8]) AC_CHECK_SIZEOF( uint_fast64_t, [8]) AC_CHECK_SIZEOF([size_t], [4]) AC_CHECK_SIZEOF([ssize_t], [4]) cat >>confdefs.h <<\EOF #include <sys/types.h> /*for off_t definition*/ EOF AC_CHECK_SIZEOF([off_t], [4]) AC_CHECK_SIZEOF([off64_t], [8]) dnl Checkpoint the cache AC_CACHE_SAVE dnl ---------------------------------------------------------------------- dnl Check if the dev_t type is a scalar type (must come after the check for dnl sys/types.h) AC_MSG_CHECKING([if dev_t is scalar]) AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif ], [dev_t d1, d2; if(d1==d2) return 0;], AC_DEFINE([DEV_T_IS_SCALAR], [1], [Define if `dev_t' is a scalar]) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) dnl ---------------------------------------------------------------------- dnl Fake --with-xxx option to allow us to create a help message for the dnl following --with-xxx options which can take either a =DIR or =INC,LIB dnl specifier. dnl AC_ARG_WITH([fnord], [ For the following --with-xxx options, you can specify where the header files and libraries are in two different ways: --with-xxx=INC,LIB - Specify individually the include directory and library directory separated by a comma --with-xxx=DIR - Specify only the directory which contains the include/ and lib/ subdirectories ]) dnl ---------------------------------------------------------------------- dnl Is the dmalloc present? It has a header file `dmalloc.h' and a library dnl `-ldmalloc' and their locations might be specified with the `--with-dmalloc' dnl command-line switch. The value is an include path and/or a library path. dnl If the library path is specified then it must be preceded by a comma. dnl AC_ARG_WITH([dmalloc], [AC_HELP_STRING([--with-dmalloc=DIR], [Use dmalloc memory debugging aid [default=no]])],, withval=no) case $withval in yes) HAVE_DMALLOC="yes" AC_CHECK_HEADERS(dmalloc.h) AC_CHECK_LIB(dmalloc, dmalloc_shutdown,, unset HAVE_DMALLOC) if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR(couldn't find dmalloc library) fi ;; no) HAVE_DMALLOC="no" AC_MSG_CHECKING(for dmalloc library) AC_MSG_RESULT(suppressed) ;; *) HAVE_DMALLOC="yes" case "$withval" in *,*) dmalloc_inc="`echo $withval |cut -f1 -d,`" dmalloc_lib="`echo $withval |cut -f2 -d, -s`" ;; *) if test -n "$withval"; then dmalloc_inc="$withval/include" dmalloc_lib="$withval/lib" fi ;; esac dnl Trying to include -I/usr/include and -L/usr/lib is redundant and dnl can mess some compilers up. if test "X$dmalloc_inc" = "X/usr/include"; then dmalloc_inc="" fi if test "X$dmalloc_lib" = "X/usr/lib"; then dmalloc_lib="" fi saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" if test -n "$dmalloc_inc"; then CPPFLAGS="$CPPFLAGS -I$dmalloc_inc" fi AC_CHECK_HEADERS(dmalloc.h,, CPPFLAGS="$saved_CPPFLAGS") if test -n "$dmalloc_lib"; then LDFLAGS="$LDFLAGS -L$dmalloc_lib" fi AC_CHECK_LIB(dmalloc, dmalloc_shutdown,, LDFLAGS="$saved_LDFLAGS"; unset HAVE_DMALLOC) if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR(couldn't find dmalloc library) fi ;; esac dnl ---------------------------------------------------------------------- dnl Is the GNU zlib present? It has a header file `zlib.h' and a library dnl `-lz' and their locations might be specified with the `--with-zlib' dnl command-line switch. The value is an include path and/or a library path. dnl If the library path is specified then it must be preceded by a comma. dnl AC_SUBST(USE_FILTER_DEFLATE) USE_FILTER_DEFLATE="no" AC_ARG_WITH([zlib], [AC_HELP_STRING([--with-zlib=DIR], [Use zlib library for external deflate I/O filter [default=yes]])],, withval=yes) case $withval in yes) HAVE_ZLIB="yes" AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H="yes"]) AC_CHECK_LIB([z], [compress2],, [unset HAVE_ZLIB]) AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"]) if test -z "$HAVE_ZLIB" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR([couldn't find zlib library]) fi ;; no) HAVE_ZLIB="no" AC_MSG_CHECKING([for GNU zlib]) AC_MSG_RESULT([suppressed]) ;; *) HAVE_ZLIB="yes" case "$withval" in *,*) zlib_inc="`echo $withval |cut -f1 -d,`" zlib_lib="`echo $withval |cut -f2 -d, -s`" ;; *) if test -n "$withval"; then zlib_inc="$withval/include" zlib_lib="$withval/lib" fi ;; esac dnl Trying to include -I/usr/include and -L/usr/lib is redundant and dnl can mess some compilers up. if test "X$zlib_inc" = "X/usr/include"; then zlib_inc="" fi if test "X$zlib_lib" = "X/usr/lib"; then zlib_lib="" fi saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" if test -n "$zlib_inc"; then CPPFLAGS="$CPPFLAGS -I$zlib_inc" fi AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H="yes"], [CPPFLAGS="$saved_CPPFLAGS"]) if test -n "$zlib_lib"; then LDFLAGS="$LDFLAGS -L$zlib_lib" fi AC_CHECK_LIB([z], [compress2],, [LDFLAGS="$saved_LDFLAGS"; unset HAVE_ZLIB]) AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"]) if test -z "$HAVE_ZLIB" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR([couldn't find zlib library]) fi ;; esac if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes" -a "x$HAVE_COMPRESS2" = "xyes"; then AC_DEFINE([HAVE_FILTER_DEFLATE], [1], [Define if support for deflate (zlib) filter is enabled]) USE_FILTER_DEFLATE="yes" dnl Add "deflate" to external filter list if test "X$EXTERNAL_FILTERS" != "X"; then EXTERNAL_FILTERS="${EXTERNAL_FILTERS}," fi EXTERNAL_FILTERS="${EXTERNAL_FILTERS}deflate(zlib)" fi dnl ---------------------------------------------------------------------- dnl Is the szlib present? It has a header file `szlib.h' and a library dnl `-lsz' and their locations might be specified with the `--with-szlib' dnl command-line switch. The value is an include path and/or a library path. dnl If the library path is specified then it must be preceded by a comma. dnl AC_SUBST(USE_FILTER_SZIP) USE_FILTER_SZIP="no" AC_ARG_WITH([szlib], [AC_HELP_STRING([--with-szlib=DIR], [Use szlib library for external szlib I/O filter [default=no]])],, withval=no) case $withval in yes) HAVE_SZLIB="yes" AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"]) AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [unset HAVE_SZLIB]) if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR([couldn't find szlib library]) fi ;; no) HAVE_SZLIB="no" AC_MSG_CHECKING([for szlib]) AC_MSG_RESULT([suppressed]) ;; *) HAVE_SZLIB="yes" case "$withval" in *,*) szlib_inc="`echo $withval |cut -f1 -d,`" szlib_lib="`echo $withval |cut -f2 -d, -s`" ;; *) if test -n "$withval"; then szlib_inc="$withval/include" szlib_lib="$withval/lib" fi ;; esac dnl Trying to include -I/usr/include and -L/usr/lib is redundant and dnl can mess some compilers up. if test "X$szlib_inc" = "X/usr/include"; then szlib_inc="" fi if test "X$szlib_lib" = "X/usr/lib"; then szlib_lib="" fi saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" if test -n "$szlib_inc"; then CPPFLAGS="$CPPFLAGS -I$szlib_inc" fi AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"], [CPPFLAGS="$saved_CPPFLAGS"]) if test -n "$szlib_lib"; then LDFLAGS="$LDFLAGS -L$szlib_lib" fi AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [LDFLAGS="$saved_LDFLAGS"; unset HAVE_SZLIB]) if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then AC_MSG_ERROR([couldn't find szlib library]) fi ;; esac if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then dnl SZLIB library is available. Check if it can encode AC_MSG_CHECKING([for szlib encoder]) AC_CACHE_VAL([hdf5_cv_szlib_functional], [AC_TRY_RUN([ #include <szlib.h> int main(void) { SZ_encoder_enabled(); exit(0); } ], [hdf5_cv_szlib_functional=yes], [hdf5_cv_szlib_functional=no],)]) AC_CACHE_VAL([hdf5_cv_szlib_can_encode], [AC_TRY_RUN([ #include <szlib.h> int main(void) { /* SZ_encoder_enabled returns 1 if encoder is present */ if(SZ_encoder_enabled() == 1) exit(0); else exit(1); } ], [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)]) if test ${hdf5_cv_szlib_functional} = "no"; then hdf5_cv_szlib_can_encode=broken else AC_DEFINE(HAVE_FILTER_SZIP, 1, [Define if support for szip filter is enabled]) USE_FILTER_SZIP="yes" fi if test ${hdf5_cv_szlib_can_encode} = "yes"; then AC_MSG_RESULT([yes]) fi if test ${hdf5_cv_szlib_can_encode} = "no"; then AC_MSG_RESULT([no]) fi if test ${hdf5_cv_szlib_can_encode} = "broken"; then AC_MSG_RESULT([shared szlib doesn't work. disabling szip.]) fi dnl Add "szip" to external filter list if test ${hdf5_cv_szlib_can_encode} = "yes"; then if test "X$EXTERNAL_FILTERS" != "X"; then EXTERNAL_FILTERS="${EXTERNAL_FILTERS}," fi EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(encoder)" fi if test ${hdf5_cv_szlib_can_encode} = "no"; then if test "X$EXTERNAL_FILTERS" != "X"; then EXTERNAL_FILTERS="${EXTERNAL_FILTERS}," fi EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(no encoder)" fi fi dnl Checkpoint the cache AC_CACHE_SAVE dnl ---------------------------------------------------------------------- dnl Is the Pthreads library present? It has a header file `pthread.h' and dnl a library `-lpthread' and their locations might be specified with the dnl `--with-pthread' command-line switch. The value is an include path dnl and/or a library path. If the library path is specified then it must dnl be preceded by a comma. dnl AC_SUBST([PTHREAD]) PTHREAD=yes AC_ARG_WITH([pthread], [AC_HELP_STRING([--with-pthread=DIR], [Use the Pthreads library [default=no]])],, withval=no) case "$withval" in yes) AC_CHECK_HEADERS([pthread.h]) AC_CHECK_LIB([pthread], [pthread_create],, [unset PTHREAD]) ;; no) AC_MSG_CHECKING([for pthread]) AC_MSG_RESULT([suppressed]) unset PTHREAD ;; *) case "$withval" in *,*) pthread_inc="`echo $withval | cut -f1 -d,`" pthread_lib="`echo $withval | cut -f2 -d, -s`" ;; *) if test -n "$withval"; then pthread_inc="$withval/include" pthread_lib="$withval/lib" fi ;; esac dnl Trying to include -I/usr/include and -L/usr/lib is redundant and dnl can mess some compilers up. if test "X$pthread_inc" = "X/usr/include"; then pthread_inc="" fi if test "X$pthread_lib" = "X/usr/lib"; then pthread_lib="" fi if test -n "$pthread_inc"; then saved_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -I$pthread_inc" AC_CHECK_HEADERS([pthread.h],, [CPPFLAGS="$saved_CPPFLAGS"; unset PTHREAD]) else AC_CHECK_HEADERS([pthread.h],, [unset PTHREAD]) fi if test -n "$pthread_lib"; then saved_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$pthread_lib" AC_CHECK_LIB([pthread], [pthread_create],, [LDFLAGS="$saved_LDFLAGS"; unset PTHREAD]) else AC_CHECK_LIB([pthread], [pthread_create],, [unset PTHREAD]) fi ;; esac dnl ---------------------------------------------------------------------- dnl Enable thread-safe version of library. It requires Pthreads support. dnl AC_MSG_CHECKING([for thread safe support]) AC_ARG_ENABLE([threadsafe], [AC_HELP_STRING([--enable-threadsafe], [Enable thread safe capability])], THREADSAFE=$enableval) case "X-$THREADSAFE" in X-|X-no) AC_MSG_RESULT([no]) ;; X-yes) dnl Check that we can link a simple Pthread program. AC_TRY_LINK(, [pthread_create()], [AC_MSG_RESULT([yes]); THREADSAFE=yes], [AC_MSG_ERROR([needed pthread library not available])]) ;; *) AC_MSG_RESULT([error]) AC_MSG_ERROR([\'$enableval\' is not a valid threadsafe type]) ;; esac if test "X$THREADSAFE" = "Xyes"; then AC_DEFINE([HAVE_THREADSAFE], [1], [Define if we have thread safe support]) fi dnl ---------------------------------------------------------------------- dnl Check if they would like the HDF5 v1.6 compatibility functions dnl compiled in dnl AC_MSG_CHECKING([whether HDF5 v1.6 compatibility functions enabled]) AC_ARG_ENABLE([hdf5v1_6], [AC_HELP_STRING([--enable-hdf5v1_6], [Compile the HDF5 v1.6 compatibility interface [default=no]])], [HDF5_V1_6_COMPAT=$enableval]) if test "$HDF5_V1_6_COMPAT" = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([WANT_H5_V1_6_COMPAT], [1], [Define if the HDF5 v1.6 compatibility functions are to be compiled in]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl How does one figure out the local time zone? Anyone know of a dnl Posix way to do this? dnl dnl First check if `struct tm' has a `tm_gmtoff' member. AC_MSG_CHECKING([for tm_gmtoff in struct tm]) AC_TRY_COMPILE([ #include <sys/time.h> #include <time.h>], [struct tm tm; tm.tm_gmtoff=0;], AC_DEFINE([HAVE_TM_GMTOFF], [1], [Define if `tm_gmtoff' is a member of `struct tm']) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl check if `struct tm' has a `__tm_gmtoff' member. AC_MSG_CHECKING([for __tm_gmtoff in struct tm]) AC_TRY_COMPILE([ #include <sys/time.h> #include <time.h>], [struct tm tm; tm.__tm_gmtoff=0;], AC_DEFINE([HAVE___TM_GMTOFF], [1], [Define if `__tm_gmtoff' is a member of `struct tm']) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl Check whether the global variable `timezone' is defined. AC_MSG_CHECKING([for global timezone variable]) AC_TRY_LINK([ #include <sys/time.h> #include <time.h>], [timezone=0;], AC_DEFINE([HAVE_TIMEZONE], [1], [Define if `timezone' is a global variable]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl Check whether `struct timezone' is defined. AC_STRUCT_TIMEZONE AC_MSG_CHECKING([for struct timezone]) AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/time.h> #include <time.h>], [struct timezone tz; tz.tz_minuteswest=0;], AC_DEFINE([HAVE_STRUCT_TIMEZONE], [1], [Define if `struct timezone' is defined]) have_struct_tz="yes" AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl If gettimeofday() is going to be used, make sure it uses the timezone struct if test "$have_gettime" = "yes" -a "$have_struct_tz" = "yes"; then AC_MSG_CHECKING(whether gettimeofday() gives timezone) AC_CACHE_VAL([hdf5_cv_gettimeofday_tz], [AC_TRY_RUN([ #include <time.h> #include <sys/time.h> int main(void) { struct timeval tv; struct timezone tz; tz.tz_minuteswest = 7777; /* Initialize to an unreasonable number */ tz.tz_dsttime = 7; gettimeofday(&tv, &tz); /* Check whether the function returned any value at all */ if(tz.tz_minuteswest == 7777 && tz.tz_dsttime == 7) exit(1); else exit (0); }], [hdf5_cv_gettimeofday_tz=yes], [hdf5_cv_gettimeofday_tz=no],)]) if test ${hdf5_cv_gettimeofday_tz} = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([GETTIMEOFDAY_GIVES_TZ], [1], [Define if gettimeofday() populates the tz pointer passed in]) else AC_MSG_RESULT([no]) fi fi dnl ---------------------------------------------------------------------- dnl Does the struct stat have the st_blocks field? This field is not Posix. dnl AC_MSG_CHECKING([for st_blocks in struct stat]) AC_TRY_COMPILE([ #include <sys/stat.h>],[struct stat sb; sb.st_blocks=0;], AC_DEFINE([HAVE_STAT_ST_BLOCKS], [1], [Define if `struct stat' has the `st_blocks' field]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl ---------------------------------------------------------------------- dnl How do we figure out the width of a tty in characters? dnl AC_CHECK_FUNCS(_getvideoconfig gettextinfo GetConsoleScreenBufferInfo) AC_CHECK_FUNCS(_scrsize ioctl) AC_MSG_CHECKING([for struct videoconfig]) AC_TRY_COMPILE(,[struct videoconfig w; w.numtextcols=0;], AC_DEFINE([HAVE_STRUCT_VIDEOCONFIG], [1], [Define if `struct videoconfig' is defined]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) AC_MSG_CHECKING([for struct text_info]) AC_TRY_COMPILE(, [struct text_info w; w.screenwidth=0;], AC_DEFINE([HAVE_STRUCT_TEXT_INFO], [1], [Define if `struct text_info' is defined]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) AC_MSG_CHECKING([for TIOCGWINSZ]) AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGWINSZ;], AC_DEFINE([HAVE_TIOCGWINSZ], [1], [Define if the ioctl TIOGWINSZ is defined]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) AC_MSG_CHECKING([for TIOCGETD]) AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGETD;], AC_DEFINE([HAVE_TIOCGETD], [1], [Define if the ioctl TIOCGETD is defined]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl ---------------------------------------------------------------------- dnl Check for functions. dnl tmpfile needed by h5pdiff. dnl AC_CHECK_FUNCS(alarm fork frexpf frexpl gethostname getpwuid getrusage) AC_CHECK_FUNCS(BSDgettimeofday siglongjmp longjmp setsysinfo sigaction) AC_CHECK_FUNCS(signal snprintf vasprintf strdup system waitpid) AC_CHECK_FUNCS(rand_r random srandom) AC_CHECK_FUNCS(tmpfile) dnl Check for vsnprintf() separately, so we can detect situations where it dnl doesn't return the correct size for formatted strings that are too large dnl for the buffer provided AC_CHECK_FUNCS(vsnprintf, dnl Check if vsnprintf() returns correct size for strings that don't fit dnl into the size allowed. If vsnprintf() works correctly on this platform, dnl it should return a value of 42 for the test below dnl dnl Note that vsnprintf fails in two different ways: dnl - In IRIX64, calls to vnsprintf() with a formatted string that dnl is larger than the buffer size allowed incorrectly dnl return the size of the buffer minus one. dnl - In HP/UX, calls to vsnprintf() with a formatted string that dnl is larger than the buffer size allowed incorrectly dnl return (-1) AC_MSG_CHECKING([if vsnprintf returns correct value]) AC_CACHE_VAL([hdf5_cv_vsnprintf_works], AC_TRY_RUN([ #include <stdio.h> #include <stdlib.h> #include <stdarg.h> int test_vsnprintf(const char *fmt,...) { va_list ap; char *s = malloc(16); int ret; va_start(ap, fmt); ret=vsnprintf(s,16,"%s",ap); va_end(ap); return(ret!=42 ? 1 : 0); } int main(void) { exit(test_vsnprintf("%s","A string that is longer than 16 characters")); } ],[hdf5_cv_vsnprintf_works=yes],[hdf5_cv_vsnprintf_works=no],)) if test ${hdf5_cv_vsnprintf_works} = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([VSNPRINTF_WORKS], [1], [Define if vsnprintf() returns the correct value for formatted strings that don't fit into size allowed]) else AC_MSG_RESULT([no]) fi ,) dnl ---------------------------------------------------------------------- dnl Check that a lone colon can be used as an argument dnl This is not true on Cray X1, which interprets a lone colon as a dnl system command. dnl AC_CACHE_CHECK([if lone colon can be used as an argument], [hdf5_cv_lone_colon], [ echo "int main(int argc, char * argv[]) {return 0;}" > conftest.c $CC $CFLAGS conftest.c > /dev/null 2> /dev/null echo "./a.out :" > conftest.sh chmod 700 conftest.sh ./conftest.sh 2> conftest.out rm a.out TEST_OUTPUT=`cat conftest.out` if test "X$TEST_OUTPUT" = "X"; then hdf5_cv_lone_colon=yes else hdf5_cv_lone_colon=no fi ]) AC_SUBST(H5_LONE_COLON) H5_LONE_COLON="$hdf5_cv_lone_colon" dnl ---------------------------------------------------------------------- dnl Check compiler characteristics dnl AC_C_CONST AC_C_INLINE AC_MSG_CHECKING([for __attribute__ extension]) AC_TRY_COMPILE(,[int __attribute__((unused)) x], AC_DEFINE([HAVE_ATTRIBUTE], [1], [Define if the __attribute__(()) extension is present]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) AC_MSG_CHECKING([for __FUNCTION__ extension]) AC_TRY_COMPILE(,[(void)__FUNCTION__], AC_DEFINE([HAVE_FUNCTION], [1], [Define if the compiler understand the __FUNCTION__ keyword]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) dnl ---------------------------------------------------------------------- dnl Try to figure out how to print `long long'. Some machines use `%lld' dnl and others use `%qd'. There may be more! The final `l' is a dnl default in case none of the others work. dnl Need to patch up LD_LIBRARY_PATH so that the execution can find all dnl the dynamic library. The correct way to do it should be updating dnl LD_LIBRARY_PATH along with LDFLAGS or do it with the AC_TRY_RUN macro. dnl AC_MSG_CHECKING([how to print long long]) AC_CACHE_VAL([hdf5_cv_printf_ll], LD_LIBRARY_PATH="$LD_LIBRARY_PATH`echo $LDFLAGS | sed -e 's/-L/:/g' -e 's/ //g'`" export LD_LIBRARY_PATH for hdf5_cv_printf_ll in l ll L q unknown; do AC_TRY_RUN([ #include <stdio.h> #include <stdlib.h> #include <string.h> int main(void) { char *s = malloc(128); long long x = (long long)1048576 * (long long)1048576; sprintf(s,"%${hdf5_cv_printf_ll}d",x); exit(strcmp(s,"1099511627776")); } ], break,,continue) done)dnl AC_MSG_RESULT([%${hdf5_cv_printf_ll}d and %${hdf5_cv_printf_ll}u]) AC_DEFINE_UNQUOTED([PRINTF_LL_WIDTH], ["$hdf5_cv_printf_ll"], [Width for printf() for type `long long' or `__int64', use `ll']) dnl ---------------------------------------------------------------------- dnl Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) dnl is supported on this system dnl AC_MSG_CHECKING([Threads support system scope]) AC_CACHE_VAL([hdf5_cv_system_scope_threads], [AC_TRY_RUN([ #if STDC_HEADERS #include <stdlib.h> #include <pthread.h> #endif int main(void) { pthread_attr_t attribute; int ret; pthread_attr_init(&attribute); ret=pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM); exit(ret==0 ? 0 : 1); } ], [hdf5_cv_system_scope_threads=yes], [hdf5_cv_system_scope_threads=no],)]) if test ${hdf5_cv_system_scope_threads} = "yes"; then AC_DEFINE([SYSTEM_SCOPE_THREADS], [1], [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Checking to see if GPFS is available on this filesystem dnl AC_ARG_ENABLE([gpfs], [AC_HELP_STRING([--enable-gpfs], [Enable GPFS hints for the MPI/POSIX file driver. [default=no]])],, [enableval=no]) case "X-$enableval" in X-yes) AC_CHECK_HEADERS([gpfs.h], AC_MSG_CHECKING([for GPFS support]) AC_TRY_COMPILE([#include <gpfs.h>], [int fd = 0; gpfs_fcntl(fd, (void *)0);], AC_DEFINE(HAVE_GPFS, 1, [Define if we have GPFS support]) AC_MSG_RESULT([yes]) LIBS="$LIBS -lgpfs" GPFS="yes", AC_MSG_RESULT([no]) GPFS="no")) ;; X-no|*) AC_MSG_CHECKING([for gpfs]) AC_MSG_RESULT([suppressed]) ;; esac dnl ---------------------------------------------------------------------- dnl Turn on debugging by setting compiler flags dnl This must come after the enable-production since it depends on production. dnl AC_MSG_CHECKING(for debug flags) AC_ARG_ENABLE([debug], [AC_HELP_STRING([--enable-debug=all], [Turn on debugging in all packages. One may also specify a comma-separated list of package names without the leading H5 or the word no. The default is most packages if production is disabled; no if it is enabled. ])], [DEBUG_PKG=$enableval]) dnl Default to no if producton is enabled if test "X-$DEBUG_PKG" = X- ; then if test "$enable_production" = yes ; then DEBUG_PKG=no else DEBUG_PKG=yes fi fi AC_SUBST([DEBUG_PKG]) all_packages="ac,b,b2,d,e,f,g,hg,hl,i,mf,mm,o,p,s,t,v,z" case "X-$DEBUG_PKG" in X-yes) DEBUG_PKG="d,e,f,g,hg,i,mm,o,p,s,t,v,z" H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG" AC_MSG_RESULT([default ($DEBUG_PKG)]) ;; X-all) DEBUG_PKG=$all_packages H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG" AC_MSG_RESULT([all ($DEBUG_PKG)]) ;; X-no|X-none) AC_MSG_RESULT([none]) DEBUG_PKG= H5_CPPFLAGS="$H5_CPPFLAGS -DNDEBUG" ;; *) AC_MSG_RESULT([$DEBUG_PKG]) ;; esac if test -n "$DEBUG_PKG"; then for pkg in `echo $DEBUG_PKG | ${TR} ${as_cr_letters}"," ${as_cr_LETTERS}" "`; do H5_CPPFLAGS="$H5_CPPFLAGS -DH5${pkg}_DEBUG" done fi dnl ---------------------------------------------------------------------- dnl Check if they would like the function stack support compiled in dnl AC_MSG_CHECKING([whether function stack tracking is enabled]) AC_ARG_ENABLE([codestack], [AC_HELP_STRING([--enable-codestack], [Enable the function stack tracing (for developer debugging).])], [CODESTACK=$enableval]) case "X-$CODESTACK" in X-yes) CODESTACK=yes AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_CODESTACK], [1], [Define if the function stack tracing code is to be compiled in]) ;; *) CODESTACK=no AC_MSG_RESULT([no]) ;; esac dnl ---------------------------------------------------------------------- dnl Check if they would like the metadata trace file code compiled in dnl AC_MSG_CHECKING([whether metadata trace file code is enabled]) AC_ARG_ENABLE([metadata-trace-file], [AC_HELP_STRING([--enable-metadata-trace-file], [Enable metadata trace file collection.])], [METADATATRACEFILE=$enableval]) case "X-$METADATATRACEFILE" in X-yes) METADATATRACEFILE=yes AC_MSG_RESULT([yes]) AC_DEFINE([METADATA_TRACE_FILE], [1], [Define if the metadata trace file code is to be compiled in]) ;; *) METADATATRACEFILE=no AC_MSG_RESULT([no]) ;; esac dnl ---------------------------------------------------------------------- dnl Enable tracing of the API dnl This must come after the enable-debug since it depends on debug. dnl AC_SUBST([TRACE_API]) AC_MSG_CHECKING([for API tracing]); AC_ARG_ENABLE([trace], [AC_HELP_STRING([--enable-trace], [Enable API tracing capability. Default=no if debug is disabled.])], TRACE=$enableval) dnl Default to no if debug is disabled if test "X-$TRACE" = X- ; then if test -z "$DEBUG_PKG" ; then TRACE=no else TRACE=yes fi fi case "X-$TRACE" in X-yes) AC_MSG_RESULT([yes]) TRACE_API=yes H5_CPPFLAGS="$H5_CPPFLAGS -DH5_DEBUG_API" ;; X-no|*) AC_MSG_RESULT([no]) TRACE_API=no H5_CPPFLAGS="$H5_CPPFLAGS -UH5_DEBUG_API" ;; esac dnl ---------------------------------------------------------------------- dnl Enable instrumenting of the library's internal operations dnl This must come after the enable-debug since it depends on debug. dnl AC_SUBST([INSTRUMENT_LIBRARY]) AC_MSG_CHECKING([for instrumented library]); AC_ARG_ENABLE([instrument], [AC_HELP_STRING([--enable-instrument], [Enable library instrumentation of optimization tracing. Default=no if debug is disabled.])], INSTRUMENT=$enableval) dnl Default to no if debug is disabled if test "X-$INSTRUMENT" = X- ; then if test -z "$DEBUG_PKG" ; then INSTRUMENT=no else INSTRUMENT=yes fi fi case "X-$INSTRUMENT" in X-yes) AC_MSG_RESULT([yes]) INSTRUMENT_LIBRARY=yes AC_DEFINE([HAVE_INSTRUMENTED_LIBRARY], [1], [Define if library will contain instrumentation to detect correct optimization operation]) ;; X-no|*) AC_MSG_RESULT([no]) INSTRUMENT_LIBRARY=no ;; esac dnl ---------------------------------------------------------------------- dnl Check if they would like to securely clear file buffers before they are dnl written. dnl AC_SUBST([CLEARFILEBUF]) AC_MSG_CHECKING([whether to clear file buffers]) AC_ARG_ENABLE([clear-file-buffers], [AC_HELP_STRING([--enable-clear-file-buffers], [Securely clear file buffers before writing to file. Default=yes.])], [CLEARFILEBUF=$enableval]) case "X-$CLEARFILEBUF" in *) CLEARFILEBUF=yes AC_MSG_RESULT([yes]) AC_DEFINE([CLEAR_MEMORY], [1], [Define if the memory buffers being written to disk should be cleared before writing.]) ;; X-no) CLEARFILEBUF=no AC_MSG_RESULT([no]) ;; esac dnl ---------------------------------------------------------------------- dnl Check if they would like to use a memory checking tool (like valgrind's dnl 'memcheck' tool, or Rational Purify, etc) and the library should be dnl more scrupulous with it's memory operations. Enabling this also dnl disables the library's free space manager code. dnl AC_SUBST([USINGMEMCHECKER]) AC_MSG_CHECKING([whether a memory checking tool will be used]) AC_ARG_ENABLE([using-memchecker], [AC_HELP_STRING([--enable-using-memchecker], [Enable this option if a memory allocation and/or bounds checking tool will be used on the HDF5 library. Enabling this causes the library to be more picky about it's memory operations and also disables the library's free space manager code. Default=no.])], [USINGMEMCHECKER=$enableval]) case "X-$USINGMEMCHECKER" in X-yes) USINGMEMCHECKER=yes AC_MSG_RESULT([yes]) AC_DEFINE([USING_MEMCHECKER], [1], [Define if a memory checking tool will be used on the library, to cause library to be very picky about memory operations and also disable the internal free list manager code.]) ;; *) USINGMEMCHECKER=no AC_MSG_RESULT([no]) ;; esac dnl Checkpoint the cache AC_CACHE_SAVE dnl What header files and libraries do we have to look for for parallel dnl support? For the most part, search paths are already specified with dnl CPPFLAGS and LDFLAGS or are known to the compiler. If the user says dnl `--disable-parallel' but specifies a known parallel compiler (like mpicc dnl or mpcc) then parallel support is enabled but configure doesn't search dnl for any parallel header files or libraries. dnl AC_ARG_ENABLE([parallel], [AC_HELP_STRING([--enable-parallel], [Search for MPI-IO and MPI support files])]) dnl The --enable-parallel flag is not compatible with --enable-cxx. dnl If the user tried to specify both flags, throw an error. if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible]) fi dnl --enable-parallel is also incompatible with --enable-threadsafe. if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible]) fi dnl It's possible to build in parallel by specifying a parallel compiler dnl without using the --enable-parallel flag. This isn't allowed with dnl C++ or threadsafe, either. if test "X${PARALLEL}" != "X" -a "X${enable_cxx}" = "Xyes" ; then AC_MSG_ERROR([An MPI compiler is being used; --enable-cxx is not allowed]) fi if test "X${PARALLEL}" != "X" -a "X${THREADSAFE}" = "Xyes"; then AC_MSG_ERROR([An MPI compiler is being used; --enable-threadsafe is not allowed]) fi AC_MSG_CHECKING([for parallel support files]) case "X-$enable_parallel" in X-|X-no|X-none) dnl Either we are not compiling for parallel or the header and dnl library files and locations are known to the compiler (this is dnl the case for a correct installation of mpicc for instance). AC_MSG_RESULT([skipped]) ;; X-yes) dnl We want to compile a parallel library with a compiler that dnl may already know how to link with MPI and MPI-IO. AC_MSG_RESULT([provided by compiler]) PARALLEL=yes dnl Try link a simple MPI program. If fail, try again with -lmpi and dnl -lmpich. AC_TRY_LINK(, MPI_Init(),, \ AC_CHECK_LIB(mpi, MPI_Init,, \ AC_CHECK_LIB(mpich, MPI_Init,, PARALLEL=no))) dnl Then try link a simple MPI-IO program. If fail, try again with dnl -lmpio. if test "X$PARALLEL" = "Xyes"; then AC_TRY_LINK(, [MPI_File_open()],, [AC_CHECK_LIB([mpio], [MPI_File_open],, [PARALLEL=no])]) fi if test "X$HDF_FORTRAN" = "Xyes"; then dnl Change to the Fortran 90 language AC_LANG_PUSH(Fortran) dnl Try link a simple MPI program. If fail, try again with -lmpi. AC_LINK_IFELSE([ program main include 'mpif.h' integer:: ierr call mpi_file_open( ierr ) end],, AC_CHECK_LIB(mpi, [ include 'mpif.h' integer:: ierr call mpi_file_open( ierr )],, PARALLEL=no)) dnl Then try link a simple MPI-IO program. If fail, try again with dnl -lmpio. if test "X$PARALLEL" = "Xyes"; then AC_LINK_IFELSE([ program main include 'mpif.h' integer:: ierr call mpi_file_open( ierr ) end],, AC_CHECK_LIB(mpio, [ include 'mpif.h' integer:: ierr call mpi_file_open( ierr )],, PARALLEL=no)) fi dnl Change to the C language AC_LANG_POP(Fortran) fi dnl Set RUNPARALLEL to mpirun if not set yet. if test "X$PARALLEL" = "Xyes" -a -z "$RUNPARALLEL"; then RUNPARALLEL="mpirun -np \$\${NPROCS:=3}" fi ;; *) AC_MSG_RESULT([error]) AC_MSG_ERROR([\'$enable_parallel\' is not a valid parallel search type]) ;; esac dnl ---------------------------------------------------------------------- dnl Print some other parallel information and do some sanity checks. dnl AC_SUBST([ADD_PARALLEL_FILES]) ADD_PARALLEL_FILES="no" if test -n "$PARALLEL"; then dnl The 'testpar' directory should participate in the build TESTPARALLEL=testpar dnl We are building a parallel library AC_DEFINE([HAVE_PARALLEL], [1], [Define if we have parallel support]) dnl Display what we found about running programs AC_MSG_CHECKING([prefix for running on one processor]) AC_MSG_RESULT([$RUNSERIAL]) AC_MSG_CHECKING([prefix for running in parallel]) AC_MSG_RESULT([$RUNPARALLEL]) dnl Check that we can link a simple MPI and MPI-IO application AC_MSG_CHECKING([whether a simple MPI-IO program can be linked]) AC_TRY_LINK(, [MPI_Init(); MPI_File_open();], AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) AC_MSG_ERROR([unable to link a simple MPI-IO application])) dnl There *must* be some way to run in parallel even if it's just the dnl word `none'. if test -z "$RUNPARALLEL"; then AC_MSG_ERROR([no way to run a parallel program]) fi dnl If RUNSERIAL or RUNPARALLEL is the word `none' then replace it with dnl the empty string. if test "X$RUNSERIAL" = "Xnone"; then RUNSERIAL="" fi if test "X$RUNPARALLEL" = "Xnone"; then RUNPARALLEL="" fi if test "X$HDF_FORTRAN" = "Xyes"; then ADD_PARALLEL_FILES="yes" AC_MSG_CHECKING([for MPI_Comm_c2f and MPI_Comm_f2c functions]) AC_TRY_LINK([#include <mpi.h>], [MPI_Comm c_comm; MPI_Comm_c2f(c_comm)], AC_DEFINE([HAVE_MPI_MULTI_LANG_Comm], [1], [Define if `MPI_Comm_c2f' and `MPI_Comm_f2c' exists]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) ) AC_MSG_CHECKING([for MPI_Info_c2f and MPI_Info_f2c functions]) AC_TRY_LINK([#include <mpi.h>], [MPI_Info c_info; MPI_Info_c2f(c_info)], AC_DEFINE([HAVE_MPI_MULTI_LANG_Info], [1], [Define if `MPI_Info_c2f' and `MPI_Info_f2c' exists]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) ) fi dnl -------------------------------------------------------------------- dnl Do we want MPE instrumentation feature on? dnl dnl This must be done after enable-parallel is checked since it depends dnl on a mpich compiler. dnl AC_SUBST([MPE]) MPE=yes AC_ARG_WITH([mpe], [AC_HELP_STRING([--with-mpe=DIR], [Use MPE instrumentation [default=no]])],, [withval=no]) case "X-$withval" in X-|X-no|X-none) AC_MSG_CHECKING([for MPE]) AC_MSG_RESULT([suppressed]) unset MPE ;; X-yes) AC_CHECK_HEADERS([mpe.h],, [unset MPE]) AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE]) AC_CHECK_LIB([lmpe], [CLOG_Init],, [unset MPE]) ;; *) case "$withval" in *,*) mpe_inc="`echo $withval | cut -f1 -d,`" mpe_lib="`echo $withval | cut -f2 -d, -s`" ;; *) if test -n "$withval"; then mpe_inc="$withval/include" mpe_lib="$withval/lib" fi ;; esac dnl Trying to include -I/usr/include and -L/usr/lib is redundant and dnl can mess some compilers up. if test "X$mpe_inc" = "X/usr/include"; then mpe_inc="" fi if test "X$mpe_lib" = "X/usr/lib"; then mpe_lib="" fi if test -n "$mpe_inc"; then saved_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -I$mpe_inc" AC_CHECK_HEADERS([mpe.h],, [CPPFLAGS="$saved_CPPFLAGS"; unset MPE]) else AC_CHECK_HEADERS([mpe.h],, [unset MPE]) fi if test -n "$mpe_lib"; then saved_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$mpe_lib" AC_CHECK_LIB([mpe], [MPE_Init_log],, [LDFLAGS="$saved_LDFLAGS"; unset MPE]) AC_CHECK_LIB([lmpe], [CLOG_Init],, [LDFLAGS="$saved_LDFLAGS"; unset MPE]) else AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE]) AC_CHECK_LIB([lmpe], [CLOG_Init],, [unset MPE]) fi ;; esac if test "X-$MPE" = "X-yes"; then AC_DEFINE([HAVE_MPE], [1], [Define if we have MPE support]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the MPI_File_set_size() function dnl works with files over 2GB, unless it's already set in the cache. dnl (This flag should be set for all machines, except for ASCI Red, where dnl the cache value is set in it's config file) dnl AC_MSG_CHECKING([if MPI_File_set_size works for files over 2GB]) AC_CACHE_VAL([hdf5_cv_mpi_file_set_size_big], [hdf5_cv_mpi_file_set_size_big=yes]) if test ${hdf5_cv_mpi_file_set_size_big} = "yes"; then AC_DEFINE([MPI_FILE_SET_SIZE_BIG], [1], [Define if your system's `MPI_File_set_size' function works for files over 2GB.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the MPI_File_get_size() function dnl works. The default is enabled unless the user knows the function dnl doesn't work on the system and disables it. (This flag should be set dnl for all machines except for SGI Altix Propack 4 where the function dnl doesn't return correct file size.) dnl AC_ARG_ENABLE([mpi-size], [AC_HELP_STRING([--enable-mpi-size], [Some systems (only SGI Altix Propack 4 so far) return wrong value from MPI_File_get_size. By disabling this function, the library will replace it with stat to get the correct file size. [default=yes]])], [MPI_GET_SIZE=$enableval]) AC_MSG_CHECKING([if MPI_File_get_size is enabled]) AC_SUBST(MPI_GET_SIZE) case "X-$MPI_GET_SIZE" in X-no) AC_MSG_RESULT([no]) MPI_GET_SIZE=no ;; X-yes|*) AC_MSG_RESULT([yes]) MPI_GET_SIZE=yes AC_DEFINE([HAVE_MPI_GET_SIZE], [1], [Define if MPI_File_get_size works correctly]) ;; esac dnl ---------------------------------------------------------------------- dnl Check to see whether the complicate MPI derived datatype works. dnl In Dec. 20th, 2004, we found that IBM's MPIO implemention didn't dnl handle with the displacement of the complicate MPI type derived datatype dnl correctly. So we add the check here. dnl IBM fixed this bug in their new version that supported MPI-IO around spring 2005. dnl We find that mpich 1.2.5 has the similar bug. The same dnl bug also occurs at SGI IRIX 6.5 C with compiler version lower than or equal to 7.3. dnl In case people still use the old compiler, we keep this flag. AC_MSG_CHECKING([if irregular hyperslab optimization code works inside MPI-IO]) AC_CACHE_VAL([hdf5_mpi_complex_derived_datatype_works],[hdf5_mpi_complex_derived_datatype_works=yes]) if test ${hdf5_mpi_complex_derived_datatype_works} = "yes"; then AC_DEFINE([MPI_COMPLEX_DERIVED_DATATYPE_WORKS], [1], [Define if your system can handle complicated MPI derived datatype correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Check to see whether MPI-IO can do collective IO successfully when one or more processes don't do dnl any IOs. dnl Up to now(Feb. 8th, 2006), we find that it will cause program hung with mpich 1.2.x version dnl and SGI altix. For those systems, we have to turn off this feature and use independent IO instead. dnl AC_MSG_CHECKING([if MPI-IO can do collective IO when one or more processes don't do IOs]) AC_CACHE_VAL([hdf5_mpi_special_collective_io_works],[hdf5_mpi_special_collective_io_works=yes]) if test ${hdf5_mpi_special_collective_io_works} = "yes"; then AC_DEFINE([MPI_SPECIAL_COLLECTIVE_IO_WORKS], [1], [Define if your system can handle special collective IO properly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi fi dnl ---------------------------------------------------------------------- dnl Turn on internal I/O filters by setting macros in header files dnl Internal I/O filters are contained entirely within the library and do dnl not depend on external headers or libraries. The shuffle filter is dnl an example of an internal filter, while the gzip filter is an example of dnl an external filter. Each external filter is controlled with an dnl "--with-foo=" configure flag. dnl AC_SUBST([FILTERS]) AC_SUBST(USE_FILTER_SHUFFLE) USE_FILTER_SHUFFLE="no" AC_SUBST(USE_FILTER_FLETCHER32) USE_FILTER_FLETCHER32="no" AC_SUBST(USE_FILTER_NBIT) USE_FILTER_NBIT="no" AC_SUBST(USE_FILTER_SCALEOFFSET) USE_FILTER_SCALEOFFSET="no" AC_MSG_CHECKING([for I/O filters]) AC_ARG_ENABLE([filters], [AC_HELP_STRING([--enable-filters=all], [Turn on all internal I/O filters. One may also specify a comma-separated list of filters or the word no. The default is all internal I/O filters.])], [FILTERS=$enableval]) dnl Eventually: all_filters="shuffle,foo,bar,baz" all_filters="shuffle,fletcher32,nbit,scaleoffset" case "X-$FILTERS" in X-|X-all) FILTERS=$all_filters AC_MSG_RESULT([all ($FILTERS)]) ;; X-no|X-none) AC_MSG_RESULT([none]) FILTERS="none" ;; *) AC_MSG_RESULT([$FILTERS]) ;; esac if test -n "$FILTERS"; then for filter in `echo $FILTERS | tr ${as_cr_letters}',' ${as_cr_LETTERS}' '`; do dnl ------------------------------------------------------------------ dnl Have to use separate 'if' construct for each filter, so that dnl autoheader can detect the AC_DEFINE for each one... dnl if test $filter = "SHUFFLE"; then AC_DEFINE([HAVE_FILTER_SHUFFLE], [1], [Define if support for shuffle filter is enabled]) USE_FILTER_SHUFFLE="yes" fi if test $filter = "FLETCHER32"; then AC_DEFINE([HAVE_FILTER_FLETCHER32], [1], [Define if support for Fletcher32 checksum is enabled]) USE_FILTER_FLETCHER32="yes" fi if test $filter = "NBIT"; then AC_DEFINE([HAVE_FILTER_NBIT], [1], [Define if support for nbit filter is enabled]) USE_FILTER_NBIT="yes" fi if test $filter = "SCALEOFFSET"; then AC_DEFINE([HAVE_FILTER_SCALEOFFSET], [1], [Define if support for scaleoffset filter is enabled]) USE_FILTER_SCALEOFFSET="yes" fi done fi dnl ---------------------------------------------------------------------- dnl This is defined only when we're using CodeWarrior, since it has a dnl broken "open()" call. dnl if test 1 = 2; then AC_DEFINE([NO_SHARED_WRITING], [1], [Define if shared writing must be disabled (CodeWarrior only)]) fi dnl -------------------------------------------------------------------------- dnl Should the Default Virtual File Driver be compiled? dnl AC_MSG_CHECKING([for Default Virtual File Driver definition]) AC_ARG_WITH([default-vfd], [AC_HELP_STRING([--with-default-vfd=driver], [Specify default file driver [default=sec2]])],, withval=sec2) if test "X$withval" = "Xsec2"; then AC_MSG_RESULT([yes]) default_vfd=yes vfd_define=H5FD_SEC2 elif test "X$withval" = "Xstdio"; then AC_MSG_RESULT([yes]) default_vfd=yes vfd_define=H5FD_STDIO else AC_MSG_RESULT([no]) default_vfd=no fi if test "X$default_vfd" = "Xyes"; then AC_DEFINE_UNQUOTED([DEFAULT_VFD], [$vfd_define], [Define the default virtual file driver to compile]) fi dnl ----------------------------------------------------------------------------- dnl Should the Stream Virtual File Driver be compiled in ? dnl AC_MSG_CHECKING([for Stream Virtual File Driver support]) AC_ARG_ENABLE([stream-vfd], [AC_HELP_STRING([--enable-stream-vfd], [Build the Stream Virtual File Driver [default=yes]])], [STREAM_VFD=$enableval], [STREAM_VFD=default]) dnl If the user explicitly disabled Stream VFD, say so. if test "$STREAM_VFD" != "yes" -a "$STREAM_VFD" != "default"; then AC_MSG_RESULT([not configured]) fi dnl If stream VFD is being used with parallel, disable it, unless the user dnl explicity enables it via the '--enable-stream_vfd' option. if test "$STREAM_VFD" = "default" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_RESULT([disabled in parallel]) STREAM_VFD=no elif test "$STREAM_VFD" = "yes" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_RESULT([enabled by user]) elif test "$STREAM_VFD" = "default" -a "X${PARALLEL}" != "X"; then AC_MSG_RESULT([disabled when a parallel compiler is being used]) STREAM_VFD=no elif test "$STREAM_VFD" = "yes" -a "X${PARALLEL}" != "X"; then AC_MSG_RESULT([enabled by user]) elif test "$STREAM_VFD" = "yes"; then AC_MSG_RESULT([yes]) fi if test "$STREAM_VFD" = "default"; then AC_MSG_RESULT([yes]) STREAM_VFD=yes fi dnl Otherwise, use Stream VFD. if test "$STREAM_VFD" = "yes"; then AC_CHECK_HEADERS([netinet/in.h]) AC_CHECK_HEADERS([netinet/tcp.h], , , [#include <netinet/in.h>]) AC_CHECK_HEADERS([sys/filio.h]) AC_DEFINE([HAVE_STREAM], [1], [Define if the stream virtual file driver should be compiled]) dnl Check if 'socklen_t' available AC_MSG_CHECKING([if socklen_t is defined]) AC_TRY_COMPILE([ #include <stdio.h> #include <stdlib.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif ], [socklen_t foo; return 0;], AC_DEFINE([HAVE_SOCKLEN_T], 1, [Define if `socklen_t' is defined]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) ) fi dnl ---------------------------------------------------------------------- dnl Check if Direct I/O driver is enabled by --enable-direct-vfd dnl AC_MSG_CHECKING([for Direct Virtual File Driver support]) AC_ARG_ENABLE([direct-vfd], [AC_HELP_STRING([--enable-direct-vfd], [Build the Direct I/O Virtual File Driver [default=yes]])], [DIRECT_VFD=$enableval], [DIRECT_VFD=yes]) if test "$DIRECT_VFD" = "yes"; then AC_CACHE_VAL([hdf5_direct_io], [AC_TRY_RUN([ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> int main(void) { int fid; if((fid=open("tst_file", O_CREAT | O_TRUNC | O_DIRECT, 0755))<0) exit(1); close(fid); remove("tst_file"); exit (0); }], AC_TRY_LINK(, [posix_memalign()], [hdf5_direct_io=yes], [hdf5_direct_io=no]), [hdf5_direct_io=no],)]) if test ${hdf5_direct_io} = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_DIRECT], [1], [Define if the direct I/O virtual file driver should be compiled]) else AC_MSG_RESULT([no]) DIRECT_VFD=no fi else AC_MSG_RESULT([suppressed]) fi AM_CONDITIONAL([DIRECT_VFD_CONDITIONAL], [test "X$DIRECT_VFD" = "Xyes"]) dnl ---------------------------------------------------------------------- dnl Decide whether the presence of user's exception handling functions is dnl checked and data conversion exceptions are returned. This is mainly dnl for the speed optimization of hard conversions. Soft conversions can dnl actually benefit little. dnl AC_MSG_CHECKING([whether exception handling functions is checked during data conversions]) AC_ARG_ENABLE([dconv-exception], [AC_HELP_STRING([--enable-dconv-exception], [if exception handling functions is checked during data conversions [default=yes]])], [DCONV_EXCEPTION=$enableval], [DCONV_EXCEPTION=yes]) if test "$DCONV_EXCEPTION" = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([WANT_DCONV_EXCEPTION], [1], [Check exception handling functions during data conversions]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Decide whether the data accuracy has higher priority during data dnl conversions. If not, some hard conversions will still be prefered even dnl though the data may be wrong (for example, some compilers don't dnl support denormalized floating values) to maximize speed. dnl AC_MSG_CHECKING([whether data accuracy is guaranteed during data conversions]) AC_ARG_ENABLE([dconv-accuracy], [AC_HELP_STRING([--enable-dconv-accuracy], [if data accuracy is guaranteed during data conversions [default=yes]])], [DATA_ACCURACY=$enableval], [DATA_ACCURACY=yes]) if test "$DATA_ACCURACY" = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([WANT_DATA_ACCURACY], [1], [Data accuracy is prefered to speed during data conversions]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can handle converting dnl denormalized floating-point values. dnl (This flag should be set for all machines, except for the Crays, where dnl the cache value is set in it's config file) dnl AC_MSG_CHECKING([if converting denormalized floating-point values is possible]) AC_CACHE_VAL([hdf5_cv_convert_denormal_float], [hdf5_cv_convert_denormal_float=yes]) if test ${hdf5_cv_convert_denormal_float} = "yes"; then AC_DEFINE([CONVERT_DENORMAL_FLOAT], [1], [Define if your system can handle converting denormalized floating-point values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can handle converting dnl floating-point to long long values. dnl (This flag should be _unset_ for all machines, except for Windows, where dnl it's set in the custom Windows H5pubconf.h file) dnl AC_MSG_CHECKING([if converting floating-point values to long long is not working]) AC_CACHE_VAL([hdf5_cv_convert_float_llong_not_works], [hdf5_cv_convert_float_llong_not_works=no]) if test ${hdf5_cv_convert_float_llong_not_works} = "yes"; then AC_DEFINE([HW_FP_TO_LLONG_NOT_WORKS], [1], [Define if your system can't handle converting floating-point values to long long.]) AC_MSG_RESULT([true]) else AC_MSG_RESULT([false]) fi dnl ----------------------------------------------------------------------- dnl Set flag to indicate that the machine can handle conversion from dnl long double to integers accurately. This flag should be set "yes" for dnl all machines except all SGIs. For SGIs, some conversions are dnl incorrect and its cache value is set "no" in its config/irix6.x and dnl irix5.x. dnl AC_MSG_CHECKING([if converting from long double to integers is accurate]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_ldouble_to_integer_accurate=${hdf5_ldouble_to_integer_accurate=no} else AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_accurate], [hdf5_cv_ldouble_to_integer_accurate=yes]) fi if test "${hdf5_cv_ldouble_to_integer_accurate}" = "yes"; then AC_DEFINE([LDOUBLE_TO_INTEGER_ACCURATE], [1], [Define if your system can convert long double to integers accurately.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ----------------------------------------------------------------------- dnl Set flag to indicate that the machine can do conversion from dnl long double to integers regardless of accuracy. This flag should be dnl set "yes" for all machines except HP-UX 11.00. For HP-UX 11.00, the dnl compiler has 'floating exception' when converting 'long double' to all dnl integers except 'unsigned long long'. Other HP-UX systems are unknown dnl yet. (1/8/05 - SLU) AC_MSG_CHECKING([if converting from long double to integers works]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_ldouble_to_integer_works=${hdf5_ldouble_to_integer_works=no} else AC_CACHE_VAL([hdf5_ldouble_to_integer_works], [AC_TRY_RUN([ int main(void) { void *align; long double ld= 9701917572145405952.00L; unsigned char v1; short v2; unsigned int v3; int ret = 0; align = (void*)malloc(sizeof(long double)); memcpy(align, &ld, sizeof(long double)); /*For HU-UX11.00, there's floating exception(core dump) when doing some of casting *from 'long double' to integers*/ v1=(unsigned char)(*((long double*)align)); v2=(short)(*((long double*)align)); v3=(unsigned int)(*((long double*)align)); done: exit(ret); } ], [hdf5_ldouble_to_integer_works=yes], [hdf5_ldouble_to_integer_works=no],)]) fi if test ${hdf5_ldouble_to_integer_works} = "yes"; then AC_DEFINE([LDOUBLE_TO_INTEGER_WORKS], [1], [Define if your system can convert from long double to integer values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ----------------------------------------------------------------------- dnl Set flag to indicate that the machine can handle conversion from dnl integers to long double. (This flag should be set "yes" for all dnl machines except all SGIs, where some conversions are dnl incorrect and its cache value is set "no" in its config/irix6.x and dnl irix5.x) dnl AC_MSG_CHECKING([if accurately converting from integers to long double]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_cv_integer_to_ldouble_accurate=${hdf5_cv_integer_to_ldouble_accurate=no} else AC_CACHE_VAL([hdf5_cv_integer_to_ldouble_accurate], [hdf5_cv_integer_to_ldouble_accurate=yes]) fi if test ${hdf5_cv_integer_to_ldouble_accurate} = "yes"; then AC_DEFINE([INTEGER_TO_LDOUBLE_ACCURATE], [1], [Define if your system can accurately convert from integers to long double values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl 'unsigned (long) long' values to 'float' and 'double' values. dnl (This flag should be set for all machines, except for the SGIs, where dnl the cache value is set in the config/irix6.x config file) and Solaris dnl 64-bit machines, where the short program below tests if round-up is dnl correctly handled. dnl AC_MSG_CHECKING([if accurately converting unsigned long long to floating-point values]) if test ${host_os_novers} = "solaris2.x"; then AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], [AC_TRY_RUN([ int main(void) { unsigned long l1; unsigned long l2; unsigned long l3; unsigned long l4; unsigned long long ld1; unsigned long long ld2; unsigned long long ld3; unsigned long long ld4; double d1, d2, d3, d4; unsigned char s[8]; int ret = 0; if(sizeof(unsigned long)==8) { l1 = 0xf000000000000b00UL; /*Round-down case*/ l2 = 0xf000000000000401UL; /*Round-up case*/ l3 = 0xf000000000000400UL; /*Round-down case*/ l4 = 0xf000000000000c00UL; /*Round-up case*/ d1 = (double)l1; d2 = (double)l2; d3 = (double)l3; d4 = (double)l4; } else if(sizeof(unsigned long long)==8) { ld1 = 0xf000000000000b00ULL; /*Round-down case*/ ld2 = 0xf000000000000401ULL; /*Round-up case*/ ld3 = 0xf000000000000400ULL; /*Round-down case*/ ld4 = 0xf000000000000c00ULL; /*Round-up case*/ d1 = (double)ld1; d2 = (double)ld2; d3 = (double)ld3; d4 = (double)ld4; } else { ret = 1; goto done; } memcpy(s, &d1, 8); if(s[7]!=1) ret = 1; memcpy(s, &d2, 8); if(s[7]!=1) ret = 1; memcpy(s, &d3, 8); if(s[7]!=0) ret = 1; memcpy(s, &d4, 8); if(s[7]!=2) ret = 1; done: exit(ret); } ], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=no],)]) else AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes]) fi if test ${hdf5_cv_ulong_to_fp_bottom_bit_accurate} = "yes"; then AC_DEFINE([ULONG_TO_FP_BOTTOM_BIT_ACCURATE], [1], [Define if your system can accurately convert unsigned (long) long values to floating-point values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl 'float' or 'double' to 'unsigned long long' values. dnl (This flag should be set for all machines, except for PGI compiler dnl where round-up happens when the fraction of float-point value is greater dnl than 0.5. dnl AC_MSG_CHECKING([if accurately roundup converting floating-point to unsigned long long values]) AC_CACHE_VAL([hdf5_fp_to_ullong_accurate], [AC_TRY_RUN([ int main(void) { float f = 111.60f; double d = 222.55L; unsigned long long l1 = (unsigned long long)f; unsigned long long l2 = (unsigned long long)d; int ret = 0; if(l1 == 112) ret = 1; if(l2 == 223) ret = 1; done: exit(ret); } ], [hdf5_fp_to_ullong_accurate=yes], [hdf5_fp_to_ullong_accurate=no],)]) if test ${hdf5_fp_to_ullong_accurate} = "yes"; then AC_DEFINE([FP_TO_ULLONG_ACCURATE], [1], [Define if your system roundup accurately converting floating-point to unsigned long long values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl 'float', 'double' or 'long double' to 'unsigned long long' values. dnl (This flag should be set for all machines, except for HP-UX machines dnl where the maximal number for unsigned long long is 0x7fffffffffffffff dnl during conversion. dnl AC_MSG_CHECKING([if right maximum converting floating-point to unsigned long long values]) AC_CACHE_VAL([hdf5_fp_to_ullong_right_maximum], [AC_TRY_RUN([ int main(void) { float f = 9701917572145405952.00f; double d1 = 9701917572145405952.00L; long double d2 = 9701917572145405952.00L; double d3 = 2e40L; unsigned long long l1 = (unsigned long long)f; unsigned long long l2 = (unsigned long long)d1; unsigned long long l3 = (unsigned long long)d2; unsigned long long l4; unsigned long long l5 = 0x7fffffffffffffffULL; int ret = 0; if(l1 <= l5 || l2 <= l5 || l3 <= l5) ret = 1; l4 = (unsigned long long)d3; if(l4 <= l5) ret = 1; done: exit(ret); } ], [hdf5_fp_to_ullong_right_maximum=yes], [hdf5_fp_to_ullong_right_maximum=no],)]) if test ${hdf5_fp_to_ullong_right_maximum} = "yes"; then AC_DEFINE([FP_TO_ULLONG_RIGHT_MAXIMUM], [1], [Define if your system has right maximum convert floating-point to unsigned long long values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl 'long double' to 'unsigned int' values. (This flag should be set for dnl all machines, except for some Intel compilers on some Linux.) dnl AC_MSG_CHECKING([if correctly converting long double to unsigned int values]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_ldouble_to_uint_accurate=${hdf5_ldouble_to_uint_accurate=no} else AC_CACHE_VAL([hdf5_ldouble_to_uint_accurate], [AC_TRY_RUN([ int main(void) { long double ld = 2733248032.9183987530L; unsigned int i; int ret = 0; i = (unsigned int)ld; if(i!=2733248032 && i!=2733248031 && i!=2733248033) ret = 1; done: exit(ret); } ], [hdf5_ldouble_to_uint_accurate=yes], [hdf5_ldouble_to_uint_accurate=no],)]) fi if test ${hdf5_ldouble_to_uint_accurate} = "yes"; then AC_DEFINE([LDOUBLE_TO_UINT_ACCURATE], [1], [Define if your system can convert long double to unsigned int values correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can _compile_ dnl 'unsigned long long' to 'float' and 'double' typecasts. dnl (This flag should be set for all machines, except for under Windows when dnl compiled with Visual Studio 6, where the macro value is set in the dnl src/H5pubconf.h file) dnl AC_MSG_CHECKING([if compiling unsigned long long to floating-point typecasts work]) AC_CACHE_VAL([hdf5_cv_ullong_to_fp_cast_works], [hdf5_cv_ullong_to_fp_cast_works=yes]) if test ${hdf5_cv_ullong_to_fp_cast_works} = "yes"; then AC_DEFINE([ULLONG_TO_FP_CAST_WORKS], [1], [Define if your system can compile unsigned long long to floating-point casts.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can _compile_ dnl 'long long' to 'float' and 'double' typecasts. dnl (This flag should be set for all machines, except for under Windows when dnl compiled with Visual Studio 6, where the macro value is set in the dnl src/H5pubconf.h file) dnl AC_MSG_CHECKING([if compiling long long to floating-point typecasts work]) AC_CACHE_VAL([hdf5_cv_llong_to_fp_cast_works], [hdf5_cv_llong_to_fp_cast_works=yes]) if test ${hdf5_cv_llong_to_fp_cast_works} = "yes"; then AC_DEFINE([LLONG_TO_FP_CAST_WORKS], [1], [Define if your system can compile long long to floating-point casts.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can convert from dnl 'unsigned long long' to 'long double' without precision loss. dnl (This flag should be set for all machines, except for FreeBSD(sleipnir) dnl where the last 2 bytes of mantissa are lost when compiler tries to do dnl the conversion, and Cygwin where compiler doesn't do rounding correctly.) dnl AC_MSG_CHECKING([if converting unsigned long long to long double with precision]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_cv_ullong_to_ldouble_precision=${hdf5_cv_ullong_to_ldouble_precision=no} else AC_CACHE_VAL([hdf5_cv_ullong_to_ldouble_precision], [AC_TRY_RUN([ int main(void) { /* General variables */ int endian; int tst_value = 1; int ret = 0; /* For FreeBSD */ unsigned long long l = 0xa601e80bda85fcefULL; long double ld; unsigned char *c1, *c2; size_t size; /* For Cygwin */ unsigned long long l_cyg = 0xfffffffffffffff0ULL; long double ld_cyg; unsigned char *c2_cyg; size_t size_cyg; /* Determine this system's endianess */ c1 = (unsigned char*)calloc(1, sizeof(int)); memcpy((void*)c1, &tst_value, sizeof(int)); if(c1[0]==1) endian = 0; /* little endian */ else endian = 1; /* big endian */ /* For FreeBSD */ size = sizeof(long double); memset(&ld, 0, size); ld = (long double)l; c2 = (unsigned char*)calloc(1, size); memcpy((void*)c2, &ld, size); /* Test if the last 2 bytes of mantissa are lost. Mainly for FreeBSD on Intel * architecture(sleipnir) where it happens. */ /*if(endian==0 && c2[0]==0 && c2[1]==0)*/ /*little endian*/ if(endian==0 && c2[0]==0) { /*little endian*/ ret = 1; goto done; } /* For Cygwin */ size_cyg = sizeof(long double); memset(&ld_cyg, 0, size); ld_cyg = (long double)l_cyg; c2_cyg = (unsigned char*)calloc(1, size_cyg); memcpy((void*)c2_cyg, &ld_cyg, size_cyg); /* Test if the last 4 bytes(roughly) of mantissa are rounded up. Mainly for Cygwin * where the values like 0xffffffffffffffff, 0xfffffffffffffffe, ..., * 0xfffffffffffff000 ... are rounded up as 0x0000403f8000000000000000 * instead of 0x0000403effffffffffffffff, 0x0000403efffffffffffffffe, ..., * 0x0000403efffffffffffff000 ... */ if(endian==0 && c2_cyg[0]==0 && c2_cyg[1]==0 && c2_cyg[2]==0 && c2_cyg[3]==0) ret = 1; done: if(c1) free(c1); if(c2) free(c2); if(c2_cyg) free(c2_cyg); exit(ret); } ], [hdf5_cv_ullong_to_ldouble_precision=yes], [hdf5_cv_ullong_to_ldouble_precision=no],)]) fi if test ${hdf5_cv_ullong_to_ldouble_precision} = "yes"; then AC_DEFINE([ULLONG_TO_LDOUBLE_PRECISION], [1], [Define if your system can convert unsigned long long to long double with correct precision.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can handle overflow converting dnl all floating-point to all integer types. dnl (This flag should be set for all machines, except for Cray X1 where dnl floating exception is generated when the floating-point value is greater dnl than the maximal integer value). dnl AC_MSG_CHECKING([if overflows normally converting floating-point to integer values]) AC_CACHE_VAL([hdf5_cv_fp_to_integer_overflow_works], [AC_TRY_RUN([ int main(void) { float f = 2147483648.0f; int i; i = (int)f; done: exit(0); } ], [hdf5_cv_fp_to_integer_overflow_works=yes], [hdf5_cv_fp_to_integer_overflow_works=no],)]) if test ${hdf5_cv_fp_to_integer_overflow_works} = "yes"; then AC_DEFINE([FP_TO_INTEGER_OVERFLOW_WORKS], [1], [Define if your system can handle overflow converting floating-point to integer values.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl 'long double' to '(unsigned) long long' values. (This flag should be set for dnl all machines, except for Mac OS 10.4 and SGI IRIX64 6.5. When the bit sequence dnl of long double is 0x4351ccf385ebc8a0bfcc2a3c..., the values of (unsigned)long long dnl start to go wrong on these two machines. Adjusting it higher to dnl 0x4351ccf385ebc8a0dfcc... or 0x4351ccf385ebc8a0ffcc... will make the converted dnl values wildly wrong. This test detects this wrong behavior and disable the test. dnl AC_MSG_CHECKING([if correctly converting long double to (unsigned) long long values]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_ldouble_to_llong_accurate=${hdf5_ldouble_to_llong_accurate=no} else AC_CACHE_VAL([hdf5_ldouble_to_llong_accurate], [AC_TRY_RUN([ int main(void) { long double ld = 20041683600089727.779961L; long long ll; unsigned long long ull; unsigned char s[16]; int ret = 0; if(sizeof(long double) == 16) { /*make sure the long double type is the same as the failing type *which has 16 bytes in size and 11 bits of exponent. If it is, *the bit sequence should be like below. It's not *a decent way to check but this info isn't available. */ memcpy(s, &ld, 16); if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 && s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 && s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) { /*slightly adjust the bit sequence (s[8]=0xdf). The converted *values will go wild on Mac OS 10.4 and IRIX64 6.5.*/ s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3; s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0; s[8]=0xdf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c; s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20; memcpy(&ld, s, 16); ll = (long long)ld; ull = (unsigned long long)ld; if(ll != 20041683600089728 || ull != 20041683600089728) ret = 1; } } done: exit(ret); } ], [hdf5_ldouble_to_llong_accurate=yes], [hdf5_ldouble_to_llong_accurate=no],)]) fi if test ${hdf5_ldouble_to_llong_accurate} = "yes"; then AC_DEFINE([LDOUBLE_TO_LLONG_ACCURATE], [1], [Define if your system can convert long double to (unsigned) long long values correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine can accurately convert dnl '(unsigned) long long' to 'long double' values. (This flag should be set for dnl all machines, except for Mac OS 10.4, when the bit sequences are 003fff..., dnl 007fff..., 00ffff..., 01ffff..., ..., 7fffff..., the converted values are twice dnl as big as they should be. dnl AC_MSG_CHECKING([if correctly converting (unsigned) long long to long double values]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_llong_to_ldouble_correct=${hdf5_llong_to_ldouble_correct=no} else AC_CACHE_VAL([hdf5_llong_to_ldouble_correct], [AC_TRY_RUN([ int main(void) { long double ld; long long ll; unsigned long long ull; unsigned char s[16]; int flag=0, ret=0; /*Determine if long double has 16 byte in size, 11 bit exponent, and *the bias is 0x3ff */ if(sizeof(long double) == 16) { ld = 1.0L; memcpy(s, &ld, 16); if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00) flag = 1; } if(flag==1 && sizeof(long long)==8) { ll = 0x01ffffffffffffffLL; ld = (long double)ll; memcpy(s, &ld, 16); /*Check if the bit sequence is as supposed to be*/ if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) ret = 1; } if(flag==1 && sizeof(unsigned long long)==8) { ull = 0x01ffffffffffffffULL; ld = (long double)ull; memcpy(s, &ld, 16); if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) ret = 1; } done: exit(ret); } ], [hdf5_llong_to_ldouble_correct=yes], [hdf5_llong_to_ldouble_correct=no],)]) fi if test ${hdf5_llong_to_ldouble_correct} = "yes"; then AC_DEFINE([LLONG_TO_LDOUBLE_CORRECT], [1], [Define if your system can convert (unsigned) long long to long double values correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine generates bad code dnl for the H5V_log2_gen() routine in src/H5Vprivate.h dnl (This flag should be set to no for all machines, except for SGI IRIX64, dnl where the cache value is set to yes in it's config file) dnl AC_MSG_CHECKING([if bad code for log2 routine is generated]) AC_CACHE_VAL([hdf5_cv_bad_log2_code_generated], [hdf5_cv_bad_log2_code_generated=no]) if test ${hdf5_cv_bad_log2_code_generated} = "yes"; then AC_DEFINE([BAD_LOG2_CODE_GENERATED], [1], [Define if your system generates wrong code for log2 routine.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set some variables for general configuration information to be saved dnl and installed with the libraries. dnl dnl HDF5 version from the first line of the README.txt file. H5_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`" AC_SUBST([H5_VERSION]) dnl Configuration date AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`" dnl User doing the configuration AC_SUBST([CONFIG_USER]) CONFIG_USER="`whoami`@`hostname`" if test -n "$ORGANIZATION"; then CONFIG_USER="$CONFIG_USER at $ORGANIZATION" fi dnl Configuration mode (production, development, profile, etc) saved above. AC_SUBST([CONFIG_MODE]) dnl Byte sex from the AC_C_BIGENDIAN macro. AC_SUBST([BYTESEX]) if test "X$ac_cv_c_bigendian" = "Xyes"; then BYTESEX="big-endian" else BYTESEX="little-endian" fi dnl Are we compiling static libraries, shared libraries, or both? This dnl is only used for the libhdf5.settings file. We can't just look at dnl $enable_static and $enable_shared because if they're yes the ltconfig dnl might have decided that one or the other is simply not possible. dnl Therefore we have to ask the generated `libtool' shell script dnl which 'features' it has enabled. AC_SUBST([STATIC_SHARED]) if (./libtool --features | grep '^enable shared libraries' > /dev/null); then enable_shared=yes else enable_shared=no fi if (./libtool --features | grep '^enable static libraries' > /dev/null); then enable_static=yes else enable_static=no fi if test "X$enable_static" = "Xyes" && test "X$enable_shared" = "Xyes"; then STATIC_SHARED="static, shared" elif test "X$enable_static" = "Xyes"; then STATIC_SHARED="static" elif test "X$enable_shared" = "Xyes"; then STATIC_SHARED="shared" else STATIC_SHARED="none" fi dnl Parallel support? (set above except empty if none) PARALLEL=${PARALLEL:-no} dnl Compiler with version information. This consists of the full path dnl name of the compiler and the reported version number. AC_SUBST([CC_VERSION]) dnl Strip anything that looks like a flag off of $CC CC_NOFLAGS=`echo $CC | sed 's/ -.*//'` if `echo $CC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then CC_VERSION="$CC" else CC_VERSION="$CC"; for x in `echo $PATH | sed -e 's/:/ /g'`; do if test -x $x/$CC_NOFLAG; then CC_VERSION="$x/$CC" break fi done fi if test -n "$cc_vendor" && test -n "$cc_version"; then CC_VERSION="$CC_VERSION ($cc_vendor-$cc_version)" fi dnl ---------------------------------------------------------------------- dnl Where is the root of the source tree. Give an absolute address so dnl we can find it no matter which directory of the distribution is our dnl current directory. The built-in pwd fails on some systems, but the dnl /bin/pwd version works OK. dnl if test -x /bin/pwd; then pwd=/bin/pwd else pwd=pwd fi AC_SUBST([ROOT]) ROOT="`$pwd`" dnl ---------------------------------------------------------------------- dnl Move any compiler-specific libraries into the main LIBS varaible. dnl LIBS="$DEFAULT_LIBS $LIBS" dnl ---------------------------------------------------------------------- dnl Determine the runtime libraries we may need to include in the dnl libtools command so that executables will find the correct dynamic dnl libraries. dnl AC_SUBST([DYNAMIC_DIRS]) DYNAMIC_DIRS="" if test -n "$LDFLAGS"; then for d in $LDFLAGS ; do case "$d" in -L*) d="`echo $d | sed -e 's/-L//g'`" case "$d" in .*) dnl If the path isn't absolute, make it so by dnl prepending the ROOT directory to it. d=${ROOT}/$d ;; esac DYNAMIC_DIRS="-R${d} $DYNAMIC_DIRS" ;; esac done fi if test -n "$CPPFLAGS"; then TEMP_CPPFLAGS="" for d in $CPPFLAGS ; do case "$d" in -I.*) dnl If the path isn't absolute, make it so by prepending dnl the ROOT directory to it. d="`echo $d | sed -e 's/-I//g'`" d="-I${ROOT}/${d}" ;; esac TEMP_CPPFLAGS="$d $TEMP_CPPFLAGS" done CPPFLAGS=$TEMP_CPPFLAGS fi dnl ---------------------------------------------------------------------- dnl Check if they would like the High Level library compiled dnl AC_SUBST(HL) HL="" # name of fortran folder inside "hl", if FORTRAN compile is requested AC_SUBST(HL_FOR) HL_FOR="" AC_MSG_CHECKING([if high level library is enabled]) AC_ARG_ENABLE([hl], [AC_HELP_STRING([--enable-hl], [Enable the high level library [default=yes]])], [HDF5_HL=$enableval], [HDF5_HL=yes]) if test "X$HDF5_HL" = "Xyes"; then echo "yes" HL="hl" AC_DEFINE([INCLUDE_HL], [1], [Define if HDF5's high-level library headers should be included in hdf5.h]) else echo "no" fi dnl ---------------------------------------------------------------------- dnl Some programs shouldn't be built by default (e.g., programs to generate dnl data files used by tests, some optional tests). dnl Check if they want such programs built anyway. dnl AC_MSG_CHECKING([additional programs should be built]) AC_ARG_ENABLE([build-all], [AC_HELP_STRING([--enable-build-all], [Build helper programs that only developers should need [default=no]])], [BUILD_ALL=$enableval], [BUILD_ALL=no]) if test "X$BUILD_ALL" = "Xyes"; then echo "yes" else echo "no" fi AM_CONDITIONAL([BUILD_ALL_CONDITIONAL], [test "X$BUILD_ALL" = "Xyes"]) dnl ---------------------------------------------------------------------- dnl Enable deprecated public API symbols dnl AC_SUBST([DEPRECATED_SYMBOLS]) AC_MSG_CHECKING([if deprecated public symbols are available]); AC_ARG_ENABLE([deprecated-symbols], [AC_HELP_STRING([--enable-deprecated-symbols], [Enable deprecated public API symbols [default=yes]])], [DEPREC_SYMBOLS=$enableval], [DEPREC_SYMBOLS=yes]) case "X-$DEPREC_SYMBOLS" in X-yes) AC_MSG_RESULT([yes]) DEPRECATED_SYMBOLS=yes ;; X-no|*) AC_MSG_RESULT([no]) DEPRECATED_SYMBOLS=no AC_DEFINE([NO_DEPRECATED_SYMBOLS], [1], [Define if deprecated public API symbols are disabled]) ;; esac dnl -------------------------------------------------------------------------- dnl Which version of the public APIs should the 'base' versioned symbols use? dnl AC_SUBST([DEFAULT_API_VERSION]) AC_MSG_CHECKING([which version of public symbols to use by default]) AC_ARG_WITH([default-api-version], [AC_HELP_STRING([--with-default-api-version=(v16|v18)], [Specify default release version of public symbols [default=v18]])],, withval=v18) if test "X$withval" = "Xv16"; then AC_MSG_RESULT([v16]) DEFAULT_API_VERSION=v16 AC_DEFINE([USE_16_API], [1], [Define using v1.6 public API symbols by default]) elif test "X$withval" = "Xv18"; then AC_MSG_RESULT([v18]) DEFAULT_API_VERSION=v18 else AC_MSG_ERROR([invalid version of public symbols given]) fi dnl It's an error to try to disable deprecated public API symbols while dnl choosing an older version of the public API as the default. if test "X${DEFAULT_API_VERSION}" != "Xv18" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols]) fi dnl ---------------------------------------------------------------------- dnl Create automake conditionals to tell automake makefiles which directories dnl need to be compiled AM_CONDITIONAL([BUILD_CXX_CONDITIONAL], [test "X$HDF_CXX" = "Xyes"]) AM_CONDITIONAL([BUILD_PARALLEL_CONDITIONAL], [test -n "$TESTPARALLEL"]) AM_CONDITIONAL([BUILD_FORTRAN_CONDITIONAL], [test "X$HDF_FORTRAN" = "Xyes"]) AM_CONDITIONAL([BUILD_HDF5_HL_CONDITIONAL], [test "X$HDF5_HL" = "Xyes"]) dnl ---------------------------------------------------------------------- dnl Build the Makefiles. dnl dnl The directory search list AC_SUBST([SEARCH]) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src' cmd='echo $SEARCH |sed "s/ /'$SEARCH_SEP'/g"' SEARCH="$SEARCH_RULE`eval $cmd`" export SEARCH dnl We don't need to say when we're entering directories if we're using dnl GNU make because make does it for us. if test "X$GMAKE" = "Xyes"; then AC_SUBST([SETX]) SETX=":" else AC_SUBST([SETX]) SETX="set -x" fi dnl Some cleanup stuff rm -f conftest conftest.o conftest.c dummy.o dnl Build config.status, touch the stamp files, and build all the Makefiles. dnl The order is such that the first `make' does not need to update any dnl configuration information. See config/commence.in for the order in which dnl things need to be done. # First the stamp1 file for H5config.h.in mkdir ./config >/dev/null 2>&1 touch ./config/stamp1 # Then the config.status file (but not makefiles) saved_no_create=$no_create no_create=yes PARALLEL_MAKE="" FORTRAN_PARALLEL_MAKE="" if test -n "$TESTPARALLEL"; then PARALLEL_MAKE="$TESTPARALLEL/Makefile $TESTPARALLEL/testph5.sh" if test "X$HDF_FORTRAN" = "Xyes"; then FORTRAN_PARALLEL_MAKE=fortran/$TESTPARALLEL/Makefile fi fi AC_CONFIG_FILES([src/libhdf5.settings Makefile src/Makefile test/Makefile test/testerror.sh testpar/Makefile testpar/testph5.sh perform/Makefile tools/Makefile tools/h5dump/Makefile tools/h5dump/testh5dump.sh tools/h5dump/testh5dumpxml.sh tools/h5import/Makefile tools/h5diff/Makefile tools/h5jam/Makefile tools/h5jam/testh5jam.sh tools/h5repack/Makefile tools/h5repack/h5repack.sh tools/h5ls/Makefile tools/h5copy/Makefile tools/lib/Makefile tools/misc/Makefile tools/misc/h5cc tools/misc/testh5repart.sh tools/h5stat/testh5stat.sh tools/h5stat/Makefile examples/Makefile examples/testh5cc.sh c++/Makefile c++/src/Makefile c++/src/h5c++ c++/test/Makefile c++/examples/Makefile c++/examples/testh5c++.sh fortran/Makefile fortran/src/h5fc fortran/src/libhdf5_fortran.settings fortran/src/Makefile fortran/test/Makefile fortran/testpar/Makefile fortran/examples/Makefile fortran/examples/testh5fc.sh hl/Makefile hl/src/Makefile hl/test/Makefile hl/tools/Makefile hl/tools/gif2h5/Makefile hl/examples/Makefile hl/c++/Makefile hl/c++/src/Makefile hl/c++/test/Makefile hl/c++/examples/Makefile hl/fortran/Makefile hl/fortran/src/Makefile hl/fortran/test/Makefile hl/fortran/examples/Makefile]) AC_OUTPUT no_create=$saved_no_create # Then the stamp2 file for H5config.h touch ./config/stamp2 # Finally the makefiles test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 chmod 755 tools/misc/h5cc if test "X$HDF_FORTRAN" = "Xyes"; then chmod 755 fortran/src/h5fc fi if test "X$HDF_CXX" = "Xyes"; then chmod 755 c++/src/h5c++ fi dnl We don't want inline defined for C++ compilers dnl Don't worry about the C++ ifdef wrappers in the H5pubconf file, since dnl 'H5_inline' isn't a C++ keyword. cat >> src/H5config.h <<EOF #if defined(__cplusplus) && defined(inline) #undef inline #endif EOF dnl ---------------------------------------------------------------------- dnl Print out a summary of what we are going to build. dnl if test -z "$ECHO_N" -o -z "$ECHO_C"; then if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then ECHO_N='' ECHO_C=' ' else ECHO_N=-n ECHO_C='' fi else ECHO_N='' ECHO_C='\c' fi fi PRINT_PLAIN() { echo $ECHO_N "$1$ECHO_C" echo $ECHO_N "$1$ECHO_C" 1>>src/libhdf5.settings } PRINT_N() { echo $ECHO_N "$1: $ECHO_C" echo $ECHO_N "$1: $ECHO_C" 1>>src/libhdf5.settings } PRINT() { echo "$1" echo "$1" 1>>src/libhdf5.settings } dnl ---------------------------------------------------------------------- dnl Print "Yes" if all arguments are "yes", otherwise "No" dnl IF_YES_NO() { if test $# -lt 1; then PRINT "No" return else while test $# -gt 0; do if test "$1" != "yes"; then PRINT "No" return fi shift done fi PRINT "Yes" } IF_ENABLED_DISABLED() { if test "$1" = "yes"; then PRINT "Enabled" else PRINT "Disabled" fi } PRINT "" PRINT " Configure Summary" PRINT " =================" PRINT "" PRINT "Compiling Options:" PRINT "------------------" PRINT_N " Compilation Mode" case "X-$enable_production" in X-yes) PRINT "Production" ;; X-no) PRINT "Development" ;; X-profile) PRINT "Profile" ;; *) PRINT "$enable_production" ;; esac PRINT_N " C Compiler" PRINT "$CC" PRINT_N " CFLAGS / H5_CFLAGS" PRINT "$CFLAGS" PRINT " $H5_CFLAGS" PRINT_N " CPPFLAGS / H5_CPPFLAGS" PRINT "$CPPFLAGS" PRINT " $H5_CPPFLAGS" PRINT_N " LDFLAGS" PRINT "$LDFLAGS" PRINT_N " Debug Mode" if test "X$DEBUG_PKG" = "X$all_packages"; then PRINT "All" elif test "X$DEBUG_PKG" = "X"; then PRINT "None" else PRINT $DEBUG_PKG fi PRINT_N " Shared Libraries" IF_YES_NO "$enable_shared" PRINT_N " Static Libraries" IF_YES_NO "$enable_static" PRINT_N " Statically Linked Executables" IF_YES_NO "$STATIC_EXEC" PRINT_N "Default Version of Public Symbols" PRINT $DEFAULT_API_VERSION PRINT_N " With Deprecated Public Symbols" IF_YES_NO "$DEPRECATED_SYMBOLS" PRINT_N " Tracing" IF_YES_NO "$TRACE_API" PRINT_N "Clear file buffers before write" IF_YES_NO "$CLEARFILEBUF" PRINT_N " Using memory checker" IF_YES_NO "$USINGMEMCHECKER" PRINT_N " Optimization Instrumentation" IF_YES_NO "$INSTRUMENT" PRINT "" PRINT "Languages:" PRINT "----------" PRINT_N " C++" IF_YES_NO "$HDF_CXX" if test X$HDF_CXX = Xyes; then PRINT_N " C++ Compiler" PRINT "$CXX" PRINT_N " CXXFLAGS / H5_CXXFLAGS" PRINT "$CXXFLAGS" PRINT " $H5_CXXFLAGS" fi PRINT_N " Fortran" IF_YES_NO "$HDF_FORTRAN" if test X$HDF_FORTRAN = Xyes; then PRINT_N " Fortran Compiler" PRINT "$FC" PRINT_N " FCFLAGS / H5_FCFLAGS" PRINT "$FCFLAGS" PRINT " $H5_FCFLAGS" fi PRINT "" PRINT "Features:" PRINT "---------" PRINT_N " dmalloc" IF_YES_NO "$HAVE_DMALLOC" PRINT_N " Function Stack Tracing" IF_ENABLED_DISABLED "$CODESTACK" PRINT_N " GPFS" IF_YES_NO "$GPFS" PRINT_N " HDF5 v1.6 Compatibility" IF_YES_NO "$HDF5_V1_6_COMPAT" PRINT_N " hsize_t" case "$HSIZET" in no|small) PRINT "Small" ;; *) PRINT "Large" ;; esac PRINT_N " I/O filters (external)" PRINT "$EXTERNAL_FILTERS" PRINT_N " I/O filters (internal)" PRINT "$FILTERS" PRINT_N " Linux Large File Support (LFS)" IF_ENABLED_DISABLED "$LINUX_LFS" PRINT_N " MPE" IF_YES_NO "$MPE" PRINT_N " Parallel HDF5" if test "$PARALLEL" != "no"; then PRINT "Yes" else PRINT "No" fi PRINT_N " Stream VFD" IF_ENABLED_DISABLED "$STREAM_VFD" PRINT_N " Direct VFD" IF_ENABLED_DISABLED "$DIRECT_VFD" PRINT_N " Threadsafety" IF_ENABLED_DISABLED "$THREADSAFE" PRINT_N " High Level library" IF_ENABLED_DISABLED "$HDF5_HL"


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