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[svn-r26114] remove option to toggle large file support.

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This commit is contained in:
Mohamad Chaarawi 2015-02-02 15:54:59 -05:00
parent 68631b6e95
commit 473feff3c6
3 changed files with 19 additions and 96 deletions
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1
config/cmake/libhdf5.settings.cmake.in
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@ -65,4 +65,3 @@ Clear file buffers before write: @HDF5_Enable_Clear_File_Buffers@
Function Stack Tracing: @HDF5_ENABLE_CODESTACK@
Strict File Format Checks: @HDF5_STRICT_FORMAT_CHECKS@
Optimization Instrumentation: @HDF5_Enable_Instrument@
Large File Support (LFS): @HDF5_ENABLE_LARGE_FILE@

99
configure.ac
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@ -148,7 +148,6 @@ AC_MSG_RESULT([done])
## HDF_CXX: whether C++ is enabled. Default no.
## CXX: C++ compiler.
## HDF5_HL: whether high-level library is enabled. Default is yes.
## LARGEFILE: whether largefile support is enabled. Default yes.
## INSTRUMENT: whether INSTRUMENT is enabled. No default set here.
## CODESTACK: whether CODESTACK is enabled. Default no.
## HAVE_DMALLOC: whether system has dmalloc support. Default no.
@ -169,7 +168,6 @@ AC_SUBST([FC2003]) HDF_FORTRAN2003=no
AC_SUBST([HDF_CXX]) HDF_CXX=no
AC_SUBST([CXX]) HDF_CXX=no
AC_SUBST([HDF5_HL]) HDF5_HL=yes
AC_SUBST([LARGEFILE]) LARGEFILE=yes
AC_SUBST([INSTRUMENT])
AC_SUBST([CODESTACK]) CODESTACK=no
AC_SUBST([HAVE_DMALLOC]) HAVE_DMALLOC=no
@ -1063,96 +1061,25 @@ if test "X${enable_shared}" = "Xyes"; then
fi
## ----------------------------------------------------------------------
## Test for large file support.
##
AC_MSG_CHECKING([if configure should try to set up large file support])
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.
AC_ARG_ENABLE([largefile],
[AS_HELP_STRING([--disable-largefile],
[omit support for large files])])
## If largefile support is enabled, then set up appropriate compiler options.
if test "$enable_largefile" != no; then
AC_MSG_RESULT([yes])
## Check for needed compiler options. This check is pulled drectly
## from autoconf's AC_SYS_LARGEFILE macro, as of Autoconf v2.65.
AC_CACHE_CHECK([for special C compiler options needed for large files],
ac_cv_sys_largefile_CC,
[ac_cv_sys_largefile_CC=no
if test "$GCC" != yes; then
ac_save_CC=$CC
while :; do
## IRIX 6.2 and later do not support large files by default,
## so use the C compiler's -n32 option if that helps.
AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])])
AC_COMPILE_IFELSE([], [break])
CC="$CC -n32"
AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break])
break
done
CC=$ac_save_CC
rm -f conftest.$ac_ext
fi])
if test "$ac_cv_sys_largefile_CC" != no; then
CC=$CC$ac_cv_sys_largefile_CC
fi
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.
## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
[ac_cv_sys_file_offset_bits],
[Number of bits in a file offset, on hosts where this is settable.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])
## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
[ac_cv_sys_large_files],
[Define for large files, on AIX-style hosts.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])
fi
## Now actually test to see if we can create large files after we've
## checked for any needed defines.
AC_MSG_CHECKING([if large (64-bit) files are supported on this system.])
AC_CACHE_VAL([hdf5_cv_have_lfs],
[AC_TRY_RUN([
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#define BIG_FILE (off_t)0x80000000UL
int main(void) {
int fd;
if ((fd=open("test.conf", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) exit(1);
if (lseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) exit(1);
if (5!=write(fd, "hello", (size_t)5)) exit(1);
if (lseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) exit(1);
if (5!=write(fd, "hello", (size_t)5)) exit(1);
if (unlink("test.conf") < 0) exit(1);
exit(0);
}
],[hdf5_cv_have_lfs=yes],[hdf5_cv_have_lfs=no],)])
if test "X${hdf5_cv_have_lfs}" = "Xyes"; then
AC_MSG_RESULT([yes])
LARGEFILE="yes"
fi
if test "X${hdf5_cv_have_lfs}" = "Xno"; then
AC_MSG_RESULT([no])
LARGEFILE="no"
fi
else
LARGEFILE="no"
AC_MSG_RESULT([no])
fi
## ----------------------------------------------------------------------
@ -1160,11 +1087,9 @@ fi
##
case "$host_cpu-$host_vendor-$host_os" in
*linux*)
## If largefile support is enabled, then make available various
## LFS-related routines using the following _LARGEFILE*_SOURCE macros.
if test "X$LARGEFILE" != "Xno"; then
## Make available various LFS-related routines using the following
## _LARGEFILE*_SOURCE macros.
AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS"
fi
## Add POSIX support on Linux systems, so <features.h> defines
## __USE_POSIX, which is required to get the prototype for fdopen

1
src/libhdf5.settings.in
View File

@ -70,4 +70,3 @@ Clear file buffers before write: @CLEARFILEBUF@
Function Stack Tracing: @CODESTACK@
Strict File Format Checks: @STRICT_FORMAT_CHECKS@
Optimization Instrumentation: @INSTRUMENT@
Large File Support (LFS): @LARGEFILE@