diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 1538 |
1 files changed, 211 insertions, 1327 deletions
diff --git a/configure.ac b/configure.ac index f53c8a6..27e856a 100644 --- a/configure.ac +++ b/configure.ac @@ -26,7 +26,7 @@ AC_PREREQ([2.69]) ## NOTE: Do not forget to change the version number here when we do a ## release!!! ## -AC_INIT([HDF5], [1.9.215], [help@hdfgroup.org]) +AC_INIT([HDF5], [1.9.216], [help@hdfgroup.org]) AC_CONFIG_SRCDIR([src/H5.c]) AC_CONFIG_HEADER([src/H5config.h]) @@ -110,7 +110,7 @@ AC_SUBST([AM_CXXFLAGS]) AC_SUBST([AM_CPPFLAGS]) AC_SUBST([AM_LDFLAGS]) -## Make sure flags are set to something (otherwise macros may set them later). +## Make sure flags are initialized. AM_CFLAGS="${AM_CFLAGS}" AM_CXXFLAGS="${AM_CXXFLAGS}" AM_FCFLAGS="${AM_FCFLAGS}" @@ -131,12 +131,6 @@ saved_user_FCFLAGS="$FCFLAGS" saved_user_LDFLAGS="$LDFLAGS" saved_user_CPPFLAGS="$CPPFLAGS" -## Different compilers may need default libraries. They are specified in -## the config/* files, so we put this statement here so that it'll be -## set by the code which follows... -## -DEFAULT_LIBS="" - ## Support F9X variable to define Fortran compiler if FC variable is ## not used. This should be deprecated in the future. if test "x" = "x$FC"; then @@ -193,15 +187,9 @@ AC_SUBST([UNAME_INFO]) UNAME_INFO=`uname -a` ## ---------------------------------------------------------------------- ## Some platforms have broken basename, and/or xargs programs. Check ## that it actually does what it's supposed to do. Catch this early -## since configure relies upon them heavily and there's no use continuing -## if it's broken. +## since configure and scripts relies upon them heavily and there's +## no use continuing if it's broken. ## - -## Avoid depending upon Character Ranges. -## These are defined by autoconf. -## as_cr_letters='abcdefghijklmnopqrstuvwxyz' -## as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' - AC_MSG_CHECKING([if basename works]) BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`" if test $BASENAME_TEST != "basename_works"; then @@ -210,6 +198,7 @@ else AC_MSG_RESULT([yes]) fi +## xargs basename used in configure to get the CC_BASENAME value AC_MSG_CHECKING([if xargs works]) XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`" if test $XARGS_TEST != "xargs_works"; then @@ -255,12 +244,6 @@ case $host_os in freebsd*) host_os_novers=freebsd ;; - irix5.*) - host_os_novers=irix5.x - ;; - irix6.*) - host_os_novers=irix6.x - ;; osf4.*) host_os_novers=osf4.x ;; @@ -538,7 +521,7 @@ AC_SUBST(HL_FOR) HL_FOR="" AC_MSG_CHECKING([if high level library is enabled]) AC_ARG_ENABLE([hl], [AS_HELP_STRING([--enable-hl], - [Enable the high-level library [default=yes]])], + [Enable the high level library [default=yes]])], [HDF5_HL=$enableval], [HDF5_HL=yes]) @@ -587,6 +570,7 @@ AC_PROG_INSTALL ## ---------------------------------------------------------------------- ## Set up ${TR} which is used to process DEBUG_PKG. + AC_PATH_PROG([TR], [tr]) @@ -694,80 +678,14 @@ fi AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"]) ## ---------------------------------------------------------------------- -## Disable C++ shared libraries if +DD64 flag is detected. -## -AC_SUBST([H5_CXX_SHARED]) -H5_CXX_SHARED="no" -if test "X${HDF_CXX}" = "Xyes" && test "X${enable_shared}" != "Xno"; then - AC_MSG_CHECKING([if shared C++ libraries are supported]) - H5_CXX_SHARED="yes" - - ## Disable C++ shared libraries if DD64 flag is being used. - - if (echo dummy ${CXX} ${CXXLD} ${CFLAGS} ${CXXFLAGS} ${LDFLAGS} | grep 'DD64') > /dev/null; then - H5_CXX_SHARED="no" - CHECK_WARN="Shared C++ libraries not currently supported with +DD64 flag." - fi - - ## Report results of check(s) - - if test "X${H5_CXX_SHARED}" = "Xno"; then - AC_MSG_RESULT([no]) - AC_MSG_WARN([$CHECK_WARN]) - if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then - AC_MSG_WARN([Disabling shared C++ libraries.]) - AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.]) - if test "X${enable_static}" = "Xno"; then - AC_MSG_ERROR([both static and shared C++ libraries are disabled]) - fi - else - AC_MSG_WARN([Allowing unsupported C++ shared librares due to use of --enable-unsupported flag]) - fi - else - AC_MSG_RESULT([yes]) - fi -fi - -AM_CONDITIONAL([CXX_SHARED_CONDITIONAL], [test "X$H5_CXX_SHARED" = "Xyes"]) - -## ---------------------------------------------------------------------- -## pgcc version 6.0x have optimization (-O, -O2 or -O3) problem. Detect -## these versions and add option "-Mx,28,0x8" to the compiler to avoid -## the problem if optimization is enabled. -## - -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="${CC-cc} -Mx,28,0x8" -fi - -## ---------------------------------------------------------------------- -## Shared libraries are not currently supported under Cygwin, so configure -## disables them unless --enable-unsupported has been supplied by the user. - -if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then - case "`uname`" in - CYGWIN*) - if test "X${enable_shared}" = "Xyes"; then - echo ' warning: shared libraries are not supported on Cygwin!' - echo ' disabling shared libraries' - echo ' use --enable-unsupported to override this warning and keep shared libraries enabled' - fi - enable_shared="no" - ;; - esac -fi - -## ---------------------------------------------------------------------- -## Windows won't create DLLs without the following macro. -## -AC_LIBTOOL_WIN32_DLL - -## ---------------------------------------------------------------------- ## Create libtool. If shared/static libraries are going to be enabled ## or disabled, it should happen before these macros. LT_PREREQ([2.2]) -LT_INIT([dlopen]) + +## ---------------------------------------------------------------------- +## dlopen - This will use an improved version of libtool +## win32-dll - This will build clean dlls on win32 platforms. +LT_INIT([dlopen,win32-dll]) ## ---------------------------------------------------------------------- ## Check if we should install only statically linked executables. @@ -835,79 +753,6 @@ case "X-$RPATH" in esac ## ---------------------------------------------------------------------- -## Sometimes makes think the `.PATH:' appearing before the first rule -## with an action should override the `all' default target. So we have -## to decide what the proper syntax is. -## -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 - - ## The second most common method is like above except with the - ## 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 - - ## 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= ${MAKE-make} -f maketest foo) >/dev/null 2>&1; then - SEARCH_RULE='.PATH: ' - SEARCH_SEP=' ' - AC_MSG_RESULT([.PATH: DIR1 DIR2 ...]) - break - fi - - ## No way for make to search directories - SEARCH_RULE='## SEARCH DISABLED: ' - SEARCH_SEP=' ' - AC_MSG_RESULT([it doesn't]) - if test ! -f configure; then - AC_MSG_ERROR([${MAKE-make} requires the build and source directories to be the same]) - fi - break -done -rm maketest - -## ---------------------------------------------------------------------- ## pmake will throw an error if variables are undefined in a Makefile. ## These errors can be changed to warnings using the -V flag. ## @@ -989,8 +834,6 @@ if test "`uname`" = "SunOS" -o "`uname -sr`" = "HP-UX B.11.00"; then AC_CHECK_LIB([nsl], [xdr_int]) fi -dnl AC_CHECK_LIB([coug], [main]) ## ...for ASCI/Red - ## ---------------------------------------------------------------------- ## Check for system header files. ## @@ -1035,7 +878,7 @@ case "$host" in ## many problems with including them. AC_CHECK_HEADERS([sys/sysinfo.h sys/proc.h]) ;; - mips*-sgi*-irix*) + mips*-sgi*) ## The <sys/fpu.h> is needed on the SGI machines to turn off ## denormalized floating-point values going to zero. We do *not* ## attempt to locate these files on other systems because there @@ -1121,7 +964,7 @@ case "$host_cpu-$host_vendor-$host_os" in ## Need to add this so that O_DIRECT is visible for the direct ## VFD on Linux systems. - AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS" + H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS" ## Also add BSD support on Linux systems, so <features.h> defines ## __USE_BSD, which is required to get the prototype for strdup @@ -1131,7 +974,12 @@ case "$host_cpu-$host_vendor-$host_os" in ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html ## however, we do not do this since it breaks the big test on some ## older platforms. - AM_CPPFLAGS="-D_BSD_SOURCE $AM_CPPFLAGS" + H5_CPPFLAGS="-D_BSD_SOURCE $H5_CPPFLAGS" + + ## _BSD_SOURCE is deprecated as of glibc 2.20, in favor of _DEFAULT_SOURCE. + ## To avoid warnings, we define _DEFAULT_SOURCE in addition to _BSD_SOURCE, + ## which should work for all versions of glibc. + H5_CPPFLAGS="-D_DEFAULT_SOURCE $H5_CPPFLAGS" ;; esac @@ -1307,15 +1155,6 @@ case $withval in ;; esac - ## Trying to include -I/usr/include and -L/usr/lib is redundant and - ## can mess some compilers up. - if test "X$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_AM_CPPFLAGS="$AM_CPPFLAGS" saved_LDFLAGS="$LDFLAGS" @@ -1373,7 +1212,7 @@ case $withval in ;; no) HAVE_ZLIB="no" - AC_MSG_CHECKING([for GNU zlib]) + AC_MSG_CHECKING([for zlib]) AC_MSG_RESULT([suppressed]) ;; *) @@ -1391,15 +1230,6 @@ case $withval in ;; esac - ## Trying to include -I/usr/include and -L/usr/lib is redundant and - ## can mess some compilers up. - if test "X$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_AM_CPPFLAGS="$AM_CPPFLAGS" saved_LDFLAGS="$LDFLAGS" @@ -1490,15 +1320,6 @@ case $withval in ;; esac - ## Trying to include -I/usr/include and -L/usr/lib is redundant and - ## can mess some compilers up. - if test "X$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_AM_CPPFLAGS="$AM_CPPFLAGS" saved_LDFLAGS="$LDFLAGS" @@ -1545,18 +1366,18 @@ if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then AC_SUBST([LL_PATH]) LL_PATH="$LD_LIBRARY_PATH" AC_CACHE_VAL([hdf5_cv_szlib_can_encode], - [AC_TRY_RUN([ - #include <szlib.h> - - int main(void) - { + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ + #include "szlib.h" + ],[[ /* SZ_encoder_enabled returns 1 if encoder is present */ - if(SZ_encoder_enabled() == 1) - exit(0); - else - exit(1); - } - ], [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)]) + if(SZ_encoder_enabled() == 1) + exit(0); + else + exit(1); + ]])] + , [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)] + ) AC_DEFINE([HAVE_FILTER_SZIP], [1], [Define if support for szip filter is enabled]) @@ -1596,9 +1417,15 @@ AC_CACHE_SAVE AC_MSG_CHECKING([for thread safe support]) AC_ARG_ENABLE([threadsafe], [AS_HELP_STRING([--enable-threadsafe], - [Enable thread-safe capability])], + [Enable thread-safe capability. This will disable the high-level library. + You can override this behavior by specifying --enable-hl and --enable-unsupported. + [default=no]])], [THREADSAFE=$enableval]) +## NOTE: The high-level, C++, and Fortran interfaces are not compatible +## with the thread-safety option because the lock is not hoisted +## into the higher-level API calls. + ## The --enable-threadsafe flag is not compatible with --enable-cxx. ## If the user tried to specify both flags, throw an error, unless ## they also provided the --enable-unsupported flag. @@ -1608,7 +1435,7 @@ if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then fi fi -## --enable-threadsafe is also incompatible with --enable-fortran, unless +## --enable-threadsafe is also incompatible with --enable-fortran unless ## --enable-unsupported has been specified on the configure line. if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then if test "X${HDF_FORTRAN}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then @@ -1616,6 +1443,7 @@ if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then fi fi + case "X-$THREADSAFE" in X-|X-no) AC_MSG_RESULT([no]) @@ -1634,32 +1462,31 @@ if test "X$THREADSAFE" = "Xyes"; then AC_DEFINE([HAVE_THREADSAFE], [1], [Define if we have thread safe support]) ## ---------------------------------------------------------------------- - ## Is the pthreads library present? It has a header file `pthread.h' and + ## Is the Pthreads library present? It has a header file `pthread.h' and ## a library `-lpthread' and their locations might be specified with the ## `--with-pthread' command-line switch. The value is an include path ## and/or a library path. If the library path is specified then it must ## be preceded by a comma. ## ## Thread-safety in HDF5 only uses Pthreads via configure, so the - ## default is "yes", though this only has an effect when + ## default is "check", though this only has an effect when ## --enable-threadsafe is specified. AC_SUBST([HAVE_PTHREAD]) HAVE_PTHREAD=yes AC_ARG_WITH([pthread], [AS_HELP_STRING([--with-pthread=DIR], - [Specify alternative path to Pthreads library when thread-safe capability is built])],, - [withval=yes]) + [Specify alternative path to Pthreads library when + thread-safe capability is built.])],, + [withval=check]) case "$withval" in - yes) + check | yes) AC_CHECK_HEADERS([pthread.h],, [unset HAVE_PTHREAD]) if test "x$HAVE_PTHREAD" = "xyes"; then AC_CHECK_LIB([pthread], [pthread_self],, [unset HAVE_PTHREAD]) fi ;; no) - AC_MSG_CHECKING([for pthread]) - AC_MSG_RESULT([suppressed]) - unset HAVE_PTHREAD + AC_MSG_ERROR([Must use Pthreads with thread safety]) ;; *) case "$withval" in @@ -1675,15 +1502,6 @@ if test "X$THREADSAFE" = "Xyes"; then ;; esac - ## Trying to include -I/usr/include and -L/usr/lib is redundant and - ## can mess some compilers up. - if test "X$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="$CPPFLAGS" saved_AM_CPPFLAGS="$AM_CPPFLAGS" @@ -1708,6 +1526,44 @@ if test "X$THREADSAFE" = "Xyes"; then fi ;; esac + + ## ---------------------------------------------------------------------- + ## Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) + ## is supported on this system + ## + ## Unfortunately, this probably needs to be an AC_RUN_IFELSE since + ## it's impossible to determine if PTHREAD_SCOPE_SYSTEM is + ## supported a priori. POSIX.1-2001 requires that a conformant + ## system need only support one of SYSTEM or PROCESS scopes. + ## + ## For cross-compiling, we've added a pessimistic 'no'. You can + ## hand-hack the config file if you know otherwise. + AC_MSG_CHECKING([Pthreads supports system scope]) + AC_CACHE_VAL([hdf5_cv_system_scope_threads], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ + #if STDC_HEADERS + #include <stdlib.h> + #include <pthread.h> + #endif + ],[ + 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], [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]) + AC_MSG_NOTICE([Always 'no' if cross-compiling. Edit the config file if your platform supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM).]) + fi fi ## ---------------------------------------------------------------------- @@ -1814,85 +1670,7 @@ AC_CHECK_FUNCS([gethostname getpwuid getrusage gettimeofday]) AC_CHECK_FUNCS([lstat rand_r random setsysinfo]) AC_CHECK_FUNCS([signal longjmp setjmp siglongjmp sigsetjmp sigprocmask]) AC_CHECK_FUNCS([snprintf srandom strdup symlink system]) -AC_CHECK_FUNCS([tmpfile asprintf vasprintf waitpid]) - -## Check for vsnprintf() separately, so we can detect situations where it -## doesn't return the correct size for formatted strings that are too large -## for the buffer provided -AC_CHECK_FUNCS([vsnprintf], - - ## Check if vsnprintf() returns correct size for strings that don't fit - ## into the size allowed. If vsnprintf() works correctly on this platform, - ## it should return a value of 42 for the test below - ## - ## Note that vsnprintf fails in two different ways: - ## - In IRIX64, calls to vnsprintf() with a formatted string that - ## is larger than the buffer size allowed incorrectly - ## return the size of the buffer minus one. - ## - In HP/UX, calls to vsnprintf() with a formatted string that - ## is larger than the buffer size allowed incorrectly - ## 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 - ,) - -## ---------------------------------------------------------------------- -## Check that a lone colon can be used as an argument -## This is not true on Cray X1, which interprets a lone colon as a -## system command. -## -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 $CFLAGS conftest.c -o a.out> /dev/null 2> /dev/null - echo "./a.out :" > conftest.sh - chmod 700 conftest.sh - - ./conftest.sh 2> conftest.out - rm -f a.out - TEST_OUTPUT=`cat conftest.out` - - if test "X$TEST_OUTPUT" = "X"; then - hdf5_cv_lone_colon=yes - else - hdf5_cv_lone_colon=no - fi - ]) - -AC_SUBST([H5_LONE_COLON]) H5_LONE_COLON="$hdf5_cv_lone_colon" +AC_CHECK_FUNCS([tmpfile asprintf vasprintf vsnprintf waitpid]) ## ---------------------------------------------------------------------- ## Check compiler characteristics @@ -1943,55 +1721,24 @@ AC_MSG_CHECKING([how to print long long]) AC_CACHE_VAL([hdf5_cv_printf_ll], [ for hdf5_cv_printf_ll in l ll L q unknown; do - AC_TRY_RUN([ - #include <stdio.h> - #include <stdlib.h> - #include <string.h> - - int main(void) - { - char *s = malloc(128); - long long x = (long long)1048576 * (long long)1048576; - sprintf(s,"%${hdf5_cv_printf_ll}d",x); - exit(strcmp(s,"1099511627776")); - } - ], [break],,[continue]) + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ + #include <stdio.h> + #include <stdlib.h> + #include <string.h> + ],[[ + char *s = malloc(128); + long long x = (long long)1048576 * (long long)1048576; + sprintf(s,"%${hdf5_cv_printf_ll}d",x); + exit(strcmp(s,"1099511627776")); + ]])] + , [break],,[continue]) done]) AC_MSG_RESULT([%${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']) -## ---------------------------------------------------------------------- -## Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) -## is supported on this system -## -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 ${hdf5_cv_system_scope_threads} = "yes"; then - AC_DEFINE([SYSTEM_SCOPE_THREADS], [1], - [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi ## ---------------------------------------------------------------------- ## Turn on debugging by setting compiler flags @@ -2375,15 +2122,6 @@ if test -n "$PARALLEL"; then ;; esac - ## Trying to include -I/usr/include and -L/usr/lib is redundant and - ## 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" saved_AM_CPPFLAGS="$AM_CPPFLAGS" @@ -2412,75 +2150,6 @@ if test -n "$PARALLEL"; then fi fi - -## ---------------------------------------------------------------------- -## Turn on internal I/O filters by setting macros in header files -## Internal I/O filters are contained entirely within the library and do -## not depend on external headers or libraries. The shuffle filter is -## an example of an internal filter, while the gzip filter is an example of -## an external filter. Each external filter is controlled with an -## "--with-foo=" configure flag. -## -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], - [AS_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=$enableval]) - -## Eventually: all_filters="shuffle,foo,bar,baz" -all_filters="shuffle,fletcher32,nbit,scaleoffset" -case "X-$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 - ## ------------------------------------------------------------------ - ## Have to use separate 'if' construct for each filter, so that - ## autoheader can detect the AC_DEFINE for each one... - ## - 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 $filter = "SCALEOFFSET"; then - AC_DEFINE([HAVE_FILTER_SCALEOFFSET], [1], - [Define if support for scaleoffset filter is enabled]) - USE_FILTER_SCALEOFFSET="yes" - fi - done -fi - - ## ---------------------------------------------------------------------- ## Check if Direct I/O driver is enabled by --enable-direct-vfd ## @@ -2565,61 +2234,6 @@ else fi ## ---------------------------------------------------------------------- -## Decide whether the data accuracy has higher priority during data -## conversions. If not, some hard conversions will still be prefered even -## though the data may be wrong (for example, some compilers don't -## support denormalized floating values) to maximize speed. -## -AC_MSG_CHECKING([whether data accuracy is guaranteed during data conversions]) -AC_ARG_ENABLE([dconv-accuracy], - [AS_HELP_STRING([--enable-dconv-accuracy], - [if data accuracy is guaranteed during - data conversions [default=yes]])], - [DATA_ACCURACY=$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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can handle converting -## denormalized floating-point values. -## (This flag should be set for all machines, except for the Crays, where -## the cache value is set in it's config file) -## -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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can handle converting -## floating-point to long long values. -## (This flag should be _unset_ for all machines, except for Windows, where -## it's set in the custom Windows H5pubconf.h file) -## -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 - -## ---------------------------------------------------------------------- ## Set the flag to indicate that the machine has window style pathname, ## that is, "drive-letter:\" (e.g. "C:") or "drive-letter:/" (e.g. "C:/"). ## (This flag should be _unset_ for all machines, except for Windows, where @@ -2638,515 +2252,6 @@ case "`uname`" in ;; esac -## ----------------------------------------------------------------------- -## Set flag to indicate that the machine can handle conversion from -## long double to integers accurately. This flag should be set "yes" for -## all machines except all SGIs. For SGIs, some conversions are -## incorrect and its cache value is set "no" in its config/irix6.x and -## irix5.x. -## -AC_MSG_CHECKING([if converting from long double to integers is accurate]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_accurate=${hdf5_cv_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 - -## ----------------------------------------------------------------------- -## Set flag to indicate that the machine can do conversion from -## long double to integers regardless of accuracy. This flag should be -## set "yes" for all machines except HP-UX 11.00. For HP-UX 11.00, the -## compiler has 'floating exception' when converting 'long double' to all -## integers except 'unsigned long long'. Other HP-UX systems are unknown -## yet. (1/8/05 - SLU) - -AC_MSG_CHECKING([if converting from long double to integers works]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_works=${hdf5_cv_ldouble_to_integer_works=no} -else - AC_CACHE_VAL([hdf5_cv_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_cv_ldouble_to_integer_works=yes], [hdf5_cv_ldouble_to_integer_works=no],)]) -fi - -if test ${hdf5_cv_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 - -## ----------------------------------------------------------------------- -## Set flag to indicate that the machine can handle conversion from -## integers to long double. (This flag should be set "yes" for all -## machines except all SGIs, where some conversions are -## incorrect and its cache value is set "no" in its config/irix6.x and -## irix5.x) -## -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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'unsigned long' to 'float' values. -## (This flag should be set for all machines, except for Pathscale compiler -## on Sandia's Linux machine where the compiler interprets 'unsigned long' -## values as negative when the first bit of 'unsigned long' is on during -## the conversion to float.) -## -AC_MSG_CHECKING([if accurately converting unsigned long to float values]) - -AC_CACHE_VAL([hdf5_cv_ulong_to_float_accurate], - [AC_TRY_RUN([ - int main(void) - { - int ret = 0; - unsigned long l1; - unsigned long l2; - unsigned long l3; - float f1; - float f2; - float f3; - - - if(sizeof(unsigned long)==8) { - l1 = 0xffffffffffffffffUL; - l2 = 0xffffffffffff0000UL; - l3 = 0xf000000000000000UL; - - f1 = (float)l1; - f2 = (float)l2; - f3 = (float)l3; - - if((f1 < 0) || (f2 < 0) || (f3 < 0)) - ret = 1; - } - -done: - exit(ret); - } - ], [hdf5_cv_ulong_to_float_accurate=yes], [hdf5_cv_ulong_to_float_accurate=no],)]) - -if test ${hdf5_cv_ulong_to_float_accurate} = "yes"; then - AC_DEFINE([ULONG_TO_FLOAT_ACCURATE], [1], - [Define if your system accurately converting unsigned long to float values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'unsigned (long) long' values to 'float' and 'double' values. -## (This flag should be set for all machines, except for the SGIs, where -## the cache value is set in the config/irix6.x config file) and Solaris -## 64-bit machines, where the short program below tests if round-up is -## correctly handled. -## -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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'float' or 'double' to 'unsigned long long' values. -## (This flag should be set for all machines, except for PGI compiler -## where round-up happens when the fraction of float-point value is greater -## than 0.5. -## -AC_MSG_CHECKING([if accurately roundup converting floating-point to unsigned long long values]) - -AC_CACHE_VAL([hdf5_cv_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_cv_fp_to_ullong_accurate=yes], [hdf5_cv_fp_to_ullong_accurate=no],)]) - -if test ${hdf5_cv_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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'float', 'double' or 'long double' to 'unsigned long long' values. -## (This flag should be set for all machines, except for HP-UX machines -## where the maximal number for unsigned long long is 0x7fffffffffffffff -## during conversion. -## -AC_MSG_CHECKING([if right maximum converting floating-point to unsigned long long values]) - -AC_CACHE_VAL([hdf5_cv_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_cv_fp_to_ullong_right_maximum=yes], [hdf5_cv_fp_to_ullong_right_maximum=no],)]) - -if test ${hdf5_cv_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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'long double' to 'unsigned int' values. (This flag should be set for -## all machines, except for some Intel compilers on some Linux.) -## -AC_MSG_CHECKING([if correctly converting long double to unsigned int values]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_uint_accurate=${hdf5_cv_ldouble_to_uint_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_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_cv_ldouble_to_uint_accurate=yes], [hdf5_cv_ldouble_to_uint_accurate=no],)]) -fi - -if test ${hdf5_cv_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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can _compile_ -## 'unsigned long long' to 'float' and 'double' typecasts. -## (This flag should be set for all machines, except for under Windows when -## compiled with Visual Studio 6, where the macro value is set in the -## src/H5pubconf.h file) -## -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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can _compile_ -## 'long long' to 'float' and 'double' typecasts. -## (This flag should be set for all machines, except for under Windows when -## compiled with Visual Studio 6, where the macro value is set in the -## src/H5pubconf.h file) -## -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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can convert from -## 'unsigned long long' to 'long double' without precision loss. -## (This flag should be set for all machines, except for FreeBSD(sleipnir) -## where the last 2 bytes of mantissa are lost when compiler tries to do -## the conversion, and Cygwin where compiler doesn't do rounding correctly.) -## -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([ - #include <stdlib.h> - #include <string.h> - - 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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can handle overflow converting -## all floating-point to all integer types. -## (This flag should be set for all machines, except for Cray X1 where -## floating exception is generated when the floating-point value is greater -## than the maximal integer value). -## -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 - ## ---------------------------------------------------------------------- ## Set the flag to indicate that the machine is using a special algorithm to convert ## 'long double' to '(unsigned) long' values. (This flag should only be set for @@ -3162,61 +2267,60 @@ if test ${ac_cv_sizeof_long_double} = 0; then hdf5_cv_ldouble_to_long_special=${hdf5_cv_ldouble_to_long_special=no} else AC_CACHE_VAL([hdf5_cv_ldouble_to_long_special], - [AC_TRY_RUN([ - int main(void) - { - long double ld = 20041683600089727.779961L; - long ll; - unsigned long ull; - unsigned char s[16]; - unsigned char s2[8]; - int ret = 1; - - if(sizeof(long double) == 16 && sizeof(long) == 8) { - /*make sure the long double type 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) { - - /* Assign the hexadecimal value of long double type. */ - 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; - s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20; - - memcpy(&ld, s, 16); - - ll = (long)ld; - memcpy(s2, &ll, 8); - - /* The library's algorithm converts it to 0x 00 47 33 ce 17 af 22 82 - * and gets wrong value 20041683600089730 on the IBM Power6 Linux. - * But the IBM Power6 Linux converts it to 0x00 47 33 ce 17 af 22 7f - * and gets the correct value 20041683600089727. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && - s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) - ret = 0; - - ull = (unsigned long)ld; - memcpy(s2, &ull, 8); - - /* The unsigned long is the same as signed long. */ - if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && - s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) - ret = 0; - } - } - - done: - exit(ret); - } - ], [hdf5_cv_ldouble_to_long_special=yes], [hdf5_cv_ldouble_to_long_special=no],)]) + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ + #include <string.h> + ],[[ + long double ld = 20041683600089727.779961L; + long ll; + unsigned long ull; + unsigned char s[16]; + unsigned char s2[8]; + int ret = 1; + + if(sizeof(long double) == 16 && sizeof(long) == 8) { + /*make sure the long double type 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) { + + /* Assign the hexadecimal value of long double type. */ + 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; + s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20; + + memcpy(&ld, s, 16); + + ll = (long)ld; + memcpy(s2, &ll, 8); + + /* The library's algorithm converts it to 0x 00 47 33 ce 17 af 22 82 + * and gets wrong value 20041683600089730 on the IBM Power6 Linux. + * But the IBM Power6 Linux converts it to 0x00 47 33 ce 17 af 22 7f + * and gets the correct value 20041683600089727. It uses some special + * algorithm. We're going to define the macro and skip the test until + * we can figure out how they do it. */ + if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && + s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) + ret = 0; + + ull = (unsigned long)ld; + memcpy(s2, &ull, 8); + + /* The unsigned long is the same as signed long. */ + if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && + s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) + ret = 0; + } + } + exit(ret); + ]])] + , [hdf5_cv_ldouble_to_long_special=yes], [hdf5_cv_ldouble_to_long_special=no],)]) fi if test ${hdf5_cv_ldouble_to_long_special} = "yes"; then @@ -3241,63 +2345,63 @@ if test ${ac_cv_sizeof_long_double} = 0; then hdf5_cv_long_to_ldouble_special=${hdf5_cv_long_to_ldouble_special=no} else AC_CACHE_VAL([hdf5_cv_long_to_ldouble_special], - [AC_TRY_RUN([ - int main(void) - { - long double ld; - long ll; - unsigned long ull; - unsigned char s[16]; - int flag=0, ret=1; - - /*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)==8) { - ll = 0x003fffffffffffffL; - ld = (long double)ll; - memcpy(s, &ld, 16); - /* The library converts the value to 0x434fffffffffffff8000000000000000. - * In decimal it is 18014398509481982.000000, one value short of the original. - * The IBM Power6 Linux converts it to 0x4350000000000000bff0000000000000. - * The value is correct in decimal. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s[0]==0x43 && s[1]==0x50 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && - s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && - s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) - ret = 0; - } - if(flag==1 && sizeof(unsigned long)==8) { - ull = 0xffffffffffffffffUL; - ld = (long double)ull; - memcpy(s, &ld, 16); - /* Use a different value from signed long to test. The problem is the same - * for both long and unsigned long. The value is 18446744073709551615. - * The library converts the value to 0x43effffffffffffffe000000000000000. - * In decimal it's 18446744073709548544.000000, very different from the original. - * The IBM Power6 Linux converts it to 0x43f0000000000000bff0000000000000. - * The value is correct in decimal. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s[0]==0x43 && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && - s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && - s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) - ret = 0; - } - done: - exit(ret); - } - ], [hdf5_cv_long_to_ldouble_special=yes], [hdf5_cv_long_to_ldouble_special=no],)]) + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ + #include <string.h> + ],[[ + long double ld; + long ll; + unsigned long ull; + unsigned char s[16]; + int flag=0, ret=1; + + /*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)==8) { + ll = 0x003fffffffffffffL; + ld = (long double)ll; + memcpy(s, &ld, 16); + /* The library converts the value to 0x434fffffffffffff8000000000000000. + * In decimal it is 18014398509481982.000000, one value short of the original. + * The IBM Power6 Linux converts it to 0x4350000000000000bff0000000000000. + * The value is correct in decimal. It uses some special + * algorithm. We're going to define the macro and skip the test until + * we can figure out how they do it. */ + if(s[0]==0x43 && s[1]==0x50 && s[2]==0x00 && s[3]==0x00 && + s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && + s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && + s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) + ret = 0; + } + if(flag==1 && sizeof(unsigned long)==8) { + ull = 0xffffffffffffffffUL; + ld = (long double)ull; + memcpy(s, &ld, 16); + /* Use a different value from signed long to test. The problem is the same + * for both long and unsigned long. The value is 18446744073709551615. + * The library converts the value to 0x43effffffffffffffe000000000000000. + * In decimal it's 18446744073709548544.000000, very different from the original. + * The IBM Power6 Linux converts it to 0x43f0000000000000bff0000000000000. + * The value is correct in decimal. It uses some special + * algorithm. We're going to define the macro and skip the test until + * we can figure out how they do it. */ + if(s[0]==0x43 && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && + s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && + s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && + s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) + ret = 0; + } + exit(ret); + ]])] + , [hdf5_cv_long_to_ldouble_special=yes], [hdf5_cv_long_to_ldouble_special=no],)]) fi if test ${hdf5_cv_long_to_ldouble_special} = "yes"; then @@ -3309,154 +2413,8 @@ else fi ## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'long double' to '(unsigned) long long' values. (This flag should be set for -## all machines, except for Mac OS 10.4 and SGI IRIX64 6.5. When the bit sequence -## of long double is 0x4351ccf385ebc8a0bfcc2a3c..., the values of (unsigned)long long -## start to go wrong on these two machines. Adjusting it higher to -## 0x4351ccf385ebc8a0dfcc... or 0x4351ccf385ebc8a0ffcc... will make the converted -## values wildly wrong. This test detects this wrong behavior and disable the test. -## -AC_MSG_CHECKING([if correctly converting long double to (unsigned) long long values]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_llong_accurate=${hdf5_cv_ldouble_to_llong_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_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_cv_ldouble_to_llong_accurate=yes], [hdf5_cv_ldouble_to_llong_accurate=no],)]) -fi - -if test ${hdf5_cv_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 - - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## '(unsigned) long long' to 'long double' values. (This flag should be set for -## all machines, except for Mac OS 10.4, when the bit sequences are 003fff..., -## 007fff..., 00ffff..., 01ffff..., ..., 7fffff..., the converted values are twice -## as big as they should be. -## -AC_MSG_CHECKING([if correctly converting (unsigned) long long to long double values]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no} -else - AC_CACHE_VAL([hdf5_cv_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_cv_llong_to_ldouble_correct=yes], [hdf5_cv_llong_to_ldouble_correct=no],)]) -fi - -if test ${hdf5_cv_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 - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine generates bad code -## for the H5VM_log2_gen() routine in src/H5VMprivate.h -## (This flag should be set to no for all machines, except for SGI IRIX64, -## where the cache value is set to yes in it's config file) -## -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 ${hdf5_cv_bad_log2_code_generated} = "yes"; then - AC_DEFINE([BAD_LOG2_CODE_GENERATED], [1], - [Define if your system generates wrong code for log2 routine.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -## ---------------------------------------------------------------------- ## Set some variables for general configuration information to be saved -## and installed with the libraries. +## and installed with the libraries (used to generate libhdf5.settings). ## ## HDF5 version from the first line of the README.txt file. @@ -3567,53 +2525,6 @@ fi AC_SUBST([ROOT]) ROOT="`$pwd`" ## ---------------------------------------------------------------------- -## Move any compiler-specific libraries into the main LIBS varaible. -## -LIBS="$DEFAULT_LIBS $LIBS" - -## ---------------------------------------------------------------------- -## Determine the runtime libraries we may need to include in the -## libtools command so that executables will find the correct dynamic -## libraries. -## -AC_SUBST([DYNAMIC_DIRS]) DYNAMIC_DIRS="" - -if test -n "$AM_LDFLAGS $LDFLAGS"; then - for d in $AM_LDFLAGS $LDFLAGS ; do - case "$d" in - -L*) - d="`echo $d | sed -e 's/-L//g'`" - case "$d" in - .*) - ## If the path isn't absolute, make it so by - ## prepending the ROOT directory to it. - d=${ROOT}/$d - ;; - esac - DYNAMIC_DIRS="-R${d} $DYNAMIC_DIRS" - ;; - esac - done -fi - -if test -n "$AM_CPPFLAGS"; then - TEMP_CPPFLAGS="" - for d in $AM_CPPFLAGS ; do - case "$d" in - -I.*) - ## If the path isn't absolute, make it so by prepending - ## the ROOT directory to it. - d="`echo $d | sed -e 's/-I//g'`" - d="-I${ROOT}/${d}" - ;; - esac - TEMP_CPPFLAGS="$d $TEMP_CPPFLAGS" - done - AM_CPPFLAGS=$TEMP_CPPFLAGS -fi - - -## ---------------------------------------------------------------------- ## Some programs shouldn't be built by default (e.g., programs to generate ## data files used by tests, some optional tests). ## Check if they want such programs built anyway. @@ -3819,18 +2730,8 @@ AM_CONDITIONAL([BUILD_HDF5_HL_CONDITIONAL], [test "X$HDF5_HL" = "Xyes"]) ## The directory search list AC_SUBST([SEARCH]) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src' -cmd='echo $SEARCH |sed "s/ /'$SEARCH_SEP'/g"' -SEARCH="$SEARCH_RULE`eval $cmd`" export SEARCH -## We don't need to say when we're entering directories if we're using -## GNU make because make does it for us. -if test "X$GMAKE" = "Xyes"; then - AC_SUBST([SETX]) SETX=":" -else - AC_SUBST([SETX]) SETX="set -x" -fi - ## Some cleanup stuff rm -f conftest conftest.o conftest.c dummy.o *.mod @@ -3866,23 +2767,6 @@ touch ./config/stamp2 ## Finally the makefiles test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 -## Post processing to patch up some deficiencies in libtool -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 -g/^wl=""/s//wl="-Wl,"/ -w -q -EOF - fi - ;; -esac - ## Are we compiling static libraries, shared libraries, or both? This ## is only used for the libhdf5.settings file. We can't just look at ## $enable_static and $enable_shared because if they're yes the ltconfig |