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[svn-r26114] remove option to toggle large file support.
This commit is contained in:
Mohamad Chaarawi
parent
68631b6e95
commit
473feff3c6
@ -65,4 +65,3 @@ Clear file buffers before write: @HDF5_Enable_Clear_File_Buffers@
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Function Stack Tracing: @HDF5_ENABLE_CODESTACK@
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Strict File Format Checks: @HDF5_STRICT_FORMAT_CHECKS@
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Optimization Instrumentation: @HDF5_Enable_Instrument@
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Large File Support (LFS): @HDF5_ENABLE_LARGE_FILE@
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113
configure.ac
113
configure.ac
@ -148,7 +148,6 @@ AC_MSG_RESULT([done])
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## HDF_CXX: whether C++ is enabled. Default no.
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## CXX: C++ compiler.
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## HDF5_HL: whether high-level library is enabled. Default is yes.
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## LARGEFILE: whether largefile support is enabled. Default yes.
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## INSTRUMENT: whether INSTRUMENT is enabled. No default set here.
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## CODESTACK: whether CODESTACK is enabled. Default no.
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## HAVE_DMALLOC: whether system has dmalloc support. Default no.
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@ -169,7 +168,6 @@ AC_SUBST([FC2003]) HDF_FORTRAN2003=no
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AC_SUBST([HDF_CXX]) HDF_CXX=no
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AC_SUBST([CXX]) HDF_CXX=no
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AC_SUBST([HDF5_HL]) HDF5_HL=yes
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AC_SUBST([LARGEFILE]) LARGEFILE=yes
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AC_SUBST([INSTRUMENT])
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AC_SUBST([CODESTACK]) CODESTACK=no
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AC_SUBST([HAVE_DMALLOC]) HAVE_DMALLOC=no
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@ -1063,96 +1061,25 @@ if test "X${enable_shared}" = "Xyes"; then
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fi
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## ----------------------------------------------------------------------
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## Test for large file support.
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##
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AC_MSG_CHECKING([if configure should try to set up large file support])
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## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
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## that might need to be set for largefile support to behave
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## correctly. This macro is defined in acsite.m4 and overrides
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## the version provided by Autoconf (as of v2.65). The custom
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## macro additionally adds the appropriate defines to AM_CPPFLAGS
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## so that later configure checks have them visible.
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AC_ARG_ENABLE([largefile],
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[AS_HELP_STRING([--disable-largefile],
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[omit support for large files])])
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## Check for _FILE_OFFSET_BITS
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_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
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[ac_cv_sys_file_offset_bits],
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[Number of bits in a file offset, on hosts where this is settable.],
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[_AC_SYS_LARGEFILE_TEST_INCLUDES])
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## If largefile support is enabled, then set up appropriate compiler options.
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if test "$enable_largefile" != no; then
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AC_MSG_RESULT([yes])
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## Check for needed compiler options. This check is pulled drectly
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## from autoconf's AC_SYS_LARGEFILE macro, as of Autoconf v2.65.
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AC_CACHE_CHECK([for special C compiler options needed for large files],
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ac_cv_sys_largefile_CC,
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[ac_cv_sys_largefile_CC=no
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if test "$GCC" != yes; then
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ac_save_CC=$CC
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while :; do
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## IRIX 6.2 and later do not support large files by default,
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## so use the C compiler's -n32 option if that helps.
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AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])])
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AC_COMPILE_IFELSE([], [break])
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CC="$CC -n32"
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AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break])
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break
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done
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CC=$ac_save_CC
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rm -f conftest.$ac_ext
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fi])
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if test "$ac_cv_sys_largefile_CC" != no; then
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CC=$CC$ac_cv_sys_largefile_CC
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fi
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## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
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## that might need to be set for largefile support to behave
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## correctly. This macro is defined in acsite.m4 and overrides
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## the version provided by Autoconf (as of v2.65). The custom
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## macro additionally adds the appropriate defines to AM_CPPFLAGS
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## so that later configure checks have them visible.
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## Check for _FILE_OFFSET_BITS
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_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
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[ac_cv_sys_file_offset_bits],
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[Number of bits in a file offset, on hosts where this is settable.],
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## Check for _LARGE_FILES
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if test "$ac_cv_sys_file_offset_bits" = unknown; then
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_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
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[ac_cv_sys_large_files],
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[Define for large files, on AIX-style hosts.],
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[_AC_SYS_LARGEFILE_TEST_INCLUDES])
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## Check for _LARGE_FILES
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if test "$ac_cv_sys_file_offset_bits" = unknown; then
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_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
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[ac_cv_sys_large_files],
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[Define for large files, on AIX-style hosts.],
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[_AC_SYS_LARGEFILE_TEST_INCLUDES])
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fi
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## Now actually test to see if we can create large files after we've
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## checked for any needed defines.
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AC_MSG_CHECKING([if large (64-bit) files are supported on this system.])
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AC_CACHE_VAL([hdf5_cv_have_lfs],
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[AC_TRY_RUN([
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#define BIG_FILE (off_t)0x80000000UL
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int main(void) {
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int fd;
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if ((fd=open("test.conf", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) exit(1);
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if (lseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) exit(1);
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if (5!=write(fd, "hello", (size_t)5)) exit(1);
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if (lseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) exit(1);
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if (5!=write(fd, "hello", (size_t)5)) exit(1);
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if (unlink("test.conf") < 0) exit(1);
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exit(0);
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}
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],[hdf5_cv_have_lfs=yes],[hdf5_cv_have_lfs=no],)])
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if test "X${hdf5_cv_have_lfs}" = "Xyes"; then
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AC_MSG_RESULT([yes])
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LARGEFILE="yes"
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fi
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if test "X${hdf5_cv_have_lfs}" = "Xno"; then
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AC_MSG_RESULT([no])
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LARGEFILE="no"
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fi
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else
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LARGEFILE="no"
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AC_MSG_RESULT([no])
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fi
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## ----------------------------------------------------------------------
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@ -1160,11 +1087,9 @@ fi
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##
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case "$host_cpu-$host_vendor-$host_os" in
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*linux*)
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## If largefile support is enabled, then make available various
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## LFS-related routines using the following _LARGEFILE*_SOURCE macros.
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if test "X$LARGEFILE" != "Xno"; then
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AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS"
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fi
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## Make available various LFS-related routines using the following
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## _LARGEFILE*_SOURCE macros.
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AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS"
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## Add POSIX support on Linux systems, so <features.h> defines
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## __USE_POSIX, which is required to get the prototype for fdopen
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@ -70,4 +70,3 @@ Clear file buffers before write: @CLEARFILEBUF@
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Function Stack Tracing: @CODESTACK@
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Strict File Format Checks: @STRICT_FORMAT_CHECKS@
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Optimization Instrumentation: @INSTRUMENT@
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Large File Support (LFS): @LARGEFILE@
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