diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 419 |
1 files changed, 109 insertions, 310 deletions
diff --git a/configure.ac b/configure.ac index aff469f..4792a30 100644 --- a/configure.ac +++ b/configure.ac @@ -39,16 +39,17 @@ AM_INIT_AUTOMAKE([foreign]) AM_SILENT_RULES([yes]) ## AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies -## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE -## is *not* included here, these files will be rebuilt if out of date. -## This is a problem because if users try to build on a machine with +## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE +## is enabled, these files will be rebuilt if out of date. This is a +## problem because if users try to build on a machine with ## the wrong versions of autoconf and automake, these files will be ## rebuilt with the wrong versions and bad things can happen. ## Also, CVS doesn't preserve dependencies between timestamps, so ## Makefiles will often think rebuilding needs to occur when it doesn't. -## Developers should './configure --enable-maintainer-mode' to turn on -## rebuild rules. -AM_MAINTAINER_MODE +## +## By default, it is enabled. Users can configure with +## --disable-maintainer-mode to prevent running the autotools. +AM_MAINTAINER_MODE([enable]) ## ---------------------------------------------------------------------- ## Set prefix default (install directory) to a directory in the build area. @@ -587,6 +588,7 @@ AC_PROG_INSTALL ## ---------------------------------------------------------------------- ## Set up ${TR} which is used to process DEBUG_PKG. + AC_PATH_PROG([TR], [tr]) @@ -997,16 +999,6 @@ dnl AC_CHECK_LIB([coug], [main]) ## ...for ASCI/Red AC_HEADER_STDC AC_HEADER_TIME -## ---------------------------------------------------------------------- -## Check for these two functions before the time headers are checked -## for, otherwise they are not detected correctly on Solaris (the -## configure test will fail due to multiply-defined symbols). -## -AC_CHECK_FUNCS([difftime]) -AC_CHECK_FUNCS([gettimeofday], [have_gettime="yes"], [have_gettime="no"]) -AC_SEARCH_LIBS([clock_gettime], [rt posix4]) -AC_CHECK_FUNCS([clock_gettime],[have_clock_gettime="yes"],[have_clock_gettime="no"]) - ## Unix AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h]) AC_CHECK_HEADERS([sys/socket.h sys/types.h]) @@ -1110,19 +1102,28 @@ case "$host_cpu-$host_vendor-$host_os" in ## Add POSIX support on Linux systems, so <features.h> defines ## __USE_POSIX, which is required to get the prototype for fdopen ## defined correctly in <stdio.h>. + ## ## This flag was removed from h5cc as of 2009-10-17 when it was found ## that the flag broke compiling netCDF-4 code with h5cc, but kept in ## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen ## is used only by H5_debug_mask which is used only when debugging in ## H5_init_library (all in H5.c). When the flag was removed this was ## the only compile failure noted. + ## ## This was originally defined as _POSIX_SOURCE which was updated to ## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX ## functionality so clock_gettime and CLOCK_MONOTONIC are defined - ## correctly. + ## correctly. This was later updated to 200112L so that + ## posix_memalign() is visible for the direct VFD code on Linux + ## systems. + ## ## POSIX feature information can be found in the gcc manual at: ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html - H5_CPPFLAGS="-D_POSIX_C_SOURCE=199506L $H5_CPPFLAGS" + H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS" + + ## Need to add this so that O_DIRECT is visible for the direct + ## VFD on Linux systems. + AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS" ## Also add BSD support on Linux systems, so <features.h> defines ## __USE_BSD, which is required to get the prototype for strdup @@ -1597,9 +1598,15 @@ AC_CACHE_SAVE AC_MSG_CHECKING([for thread safe support]) AC_ARG_ENABLE([threadsafe], [AS_HELP_STRING([--enable-threadsafe], - [Enable thread-safe capability])], + [Enable thread-safe capability. This will disable the high-level library. + You can override this behavior by specifying --enable-hl and --enable-unsupported. + [default=no]])], [THREADSAFE=$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. @@ -1609,7 +1616,7 @@ 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 @@ -1617,6 +1624,7 @@ if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then fi fi + case "X-$THREADSAFE" in X-|X-no) AC_MSG_RESULT([no]) @@ -1635,32 +1643,31 @@ 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 @@ -1709,6 +1716,45 @@ 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_TRY_RUN 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_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], [hdf5_cv_system_scope_threads=no])]) + + if test ${hdf5_cv_system_scope_threads} = "yes"; then + AC_DEFINE([SYSTEM_SCOPE_THREADS], [1], + [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.]) + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + AC_MSG_NOTICE([Always 'no' if cross-compiling. Edit the config file if your platform supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM).]) + fi fi ## ---------------------------------------------------------------------- @@ -1732,16 +1778,6 @@ AC_TRY_COMPILE([ AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) -## check if `struct tm' has a `__tm_gmtoff' member. -AC_MSG_CHECKING([for __tm_gmtoff in struct tm]) -AC_TRY_COMPILE([ - #include <sys/time.h> - #include <time.h>], [struct tm tm; tm.__tm_gmtoff=0;], - [AC_DEFINE([HAVE___TM_GMTOFF], [1], - [Define if `__tm_gmtoff' is a member of `struct tm']) - AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no])]) - ## Check whether the global variable `timezone' is defined. AC_MSG_CHECKING([for global timezone variable]) @@ -1760,50 +1796,6 @@ case "`uname`" in ;; esac -## Check whether `struct timezone' is defined. -AC_STRUCT_TIMEZONE -AC_MSG_CHECKING([for struct timezone]) -AC_TRY_COMPILE([ - #include <sys/types.h> - #include <sys/time.h> - #include <time.h>], [struct timezone tz; tz.tz_minuteswest=0;], - [AC_DEFINE([HAVE_STRUCT_TIMEZONE], [1], - [Define if `struct timezone' is defined]) - have_struct_tz="yes" - AC_MSG_RESULT([yes])], - [AC_MSG_RESULT([no])]) - -## If gettimeofday() is going to be used, make sure it uses the timezone struct - -if test "$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 ${hdf5_cv_gettimeofday_tz} = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([GETTIMEOFDAY_GIVES_TZ], [1], - [Define if gettimeofday() populates the tz pointer passed in]) - else - AC_MSG_RESULT([no]) - fi -fi ## ---------------------------------------------------------------------- ## Does the struct stat have the st_blocks field? This field is not Posix. @@ -1861,9 +1853,12 @@ AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGETD;], ## ---------------------------------------------------------------------- ## Check for functions. ## -AC_CHECK_FUNCS([alarm BSDgettimeofday fork frexpf frexpl]) -AC_CHECK_FUNCS([gethostname getpwuid getrusage lstat]) -AC_CHECK_FUNCS([rand_r random setsysinfo]) +## NOTE: clock_gettime may require linking to the rt or posix4 library +## so we'll search for it before calling AC_CHECK_FUNCS. +AC_SEARCH_LIBS([clock_gettime], [rt posix4]) +AC_CHECK_FUNCS([alarm clock_gettime difftime fork frexpf frexpl]) +AC_CHECK_FUNCS([gethostname getpwuid getrusage gettimeofday]) +AC_CHECK_FUNCS([lstat rand_r random setsysinfo]) AC_CHECK_FUNCS([signal longjmp setjmp siglongjmp sigsetjmp sigprocmask]) AC_CHECK_FUNCS([snprintf srandom strdup symlink system]) AC_CHECK_FUNCS([tmpfile asprintf vasprintf waitpid]) @@ -2014,36 +2009,6 @@ AC_MSG_RESULT([%${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 ${hdf5_cv_system_scope_threads} = "yes"; then - AC_DEFINE([SYSTEM_SCOPE_THREADS], [1], - [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi ## ---------------------------------------------------------------------- ## Turn on debugging by setting compiler flags @@ -2464,140 +2429,44 @@ if test -n "$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 $filter = "SCALEOFFSET"; then - AC_DEFINE([HAVE_FILTER_SCALEOFFSET], [1], - [Define if support for scaleoffset filter is enabled]) - USE_FILTER_SCALEOFFSET="yes" - fi - done -fi - -## -------------------------------------------------------------------------- -## Should the Default Virtual File Driver be compiled? -## - -AC_MSG_CHECKING([for Default Virtual File Driver definition]) -AC_ARG_WITH([default-vfd], - [AS_HELP_STRING([--with-default-vfd=driver], - [Specify default file driver - [default=sec2]])],, - withval=sec2) - -if test "X$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], [$vfd_define], - [Define the default virtual file driver to compile]) -fi ## ---------------------------------------------------------------------- ## Check if Direct I/O driver is enabled by --enable-direct-vfd ## -AC_MSG_CHECKING([for Direct Virtual File Driver support]) +## Check these regardless. If the checks are moved inside the main +## direct VFD block, the output is nested. + +AC_CACHE_VAL([hdf5_cv_direct_io], + AC_CHECK_DECL([O_DIRECT], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no], [[#include <fcntl.h>]])) +AC_CACHE_VAL([hdf5_cv_posix_memalign], + AC_CHECK_FUNC([posix_memalign], [hdf5_cv_posix_memalign=yes], [hdf5_cv_posix_memalign=no])) + +AC_MSG_CHECKING([if the direct I/O virtual file driver (VFD) is enabled]) AC_ARG_ENABLE([direct-vfd], [AS_HELP_STRING([--enable-direct-vfd], - [Build the Direct I/O Virtual File Driver - [default=yes]])], - [DIRECT_VFD=$enableval], [DIRECT_VFD=yes]) - -if test "$DIRECT_VFD" = "yes"; then - AC_CACHE_VAL([hdf5_cv_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_cv_direct_io=yes], [hdf5_cv_direct_io=no])], [hdf5_cv_direct_io=no],)]) - - if test ${hdf5_cv_direct_io} = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([HAVE_DIRECT], [1], - [Define if the direct I/O virtual file driver should be compiled]) - else - AC_MSG_RESULT([no]) - DIRECT_VFD=no - fi + [Build the direct I/O virtual file driver (VFD). + This is based on the POSIX (sec2) VFD and + requires the open() call to take the O_DIRECT + flag. [default=no]])], + [DIRECT_VFD=$enableval], [DIRECT_VFD=no]) + +if test "X$DIRECT_VFD" = "Xyes"; then + if test ${hdf5_cv_direct_io} = "yes" && test ${hdf5_cv_posix_memalign} = "yes" ; then + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_DIRECT], [1], + [Define if the direct I/O virtual file driver (VFD) should be compiled]) + else + AC_MSG_RESULT([no]) + DIRECT_VFD=no + AC_MSG_ERROR([The direct VFD was requested but cannot be built. This is either + due to O_DIRECT not being found in fcntl.h or a lack of + posix_memalign() on your system. Please re-configure without + specifying --enable-direct-vfd.]) + fi else - AC_MSG_RESULT([suppressed]) + AC_MSG_RESULT([no]) fi AM_CONDITIONAL([DIRECT_VFD_CONDITIONAL], [test "X$DIRECT_VFD" = "Xyes"]) @@ -2720,76 +2589,6 @@ 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 |