43 строки
1.3 KiB
Plaintext
43 строки
1.3 KiB
Plaintext
AC_DEFUN([MOONLIGHT_CHECK_LARGE_FILE],
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[
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AC_SYS_LARGEFILE
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AC_CACHE_CHECK([whether _LARGEFILE64_SOURCE needs to be defined for large files], moon_cv_largefile64_source, [
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AC_TRY_COMPILE([
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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],[
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int fd = open ("__o_largefile", O_CREAT | O_RDWR | O_LARGEFILE, 0644);
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],[
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moon_cv_largefile64_source="no"
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],[
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AC_TRY_COMPILE([
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#define _LARGEFILE64_SOURCE 1
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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],[
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int fd = open ("__o_largefile", O_CREAT | O_RDWR | O_LARGEFILE, 0644);
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],[
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moon_cv_largefile64_source="yes"
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],[
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moon_cv_largefile64_source="unknown (large files may not be supported)"
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])
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])
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])
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if test "x$largefile64_source" = "xyes"; then
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LARGEFILE_CFLAGS="-D_LARGEFILE64_SOURCE=1"
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elif test "x$largefile64_source" = "xundefined"; then
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AC_DEFINE(O_LARGEFILE, 0, [Define to 0 if your system does not have the O_LARGEFILE flag])
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fi
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if test -n "$ac_cv_sys_large_files" -a "x$ac_cv_sys_large_files" != "xno"; then
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LARGEFILE_CFLAGS="$LARGEFILE_CFLAGS -D_LARGE_FILES=1"
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fi
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if test "x$ac_cv_sys_file_offset_bits" != "xno"; then
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LARGEFILE_CFLAGS="$LARGEFILE_CFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
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fi
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])
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