Compute the size of off_t and bypass the checks for fopen64() and stat64()

if off_t is 64-bit.  Otherwise, we get fatal (due to -Werror) warnings on
Mac OS X 10.6 because stat64() is deprecated on that host.
This commit is contained in:
thorpej 2009-10-15 20:35:01 +00:00
parent ef66228296
commit 1e0ab6fbf0

View File

@ -94,7 +94,17 @@ AC_CHECK_FUNC([mkdtemp],
[Define to 1 if you have the `mkdtemp' function.])) [Define to 1 if you have the `mkdtemp' function.]))
# Check whether fopen64 is available and whether _LARGEFILE64_SOURCE # Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
# needs to be defined for it # needs to be defined for it.
#
# If off_t is 64-bit, then we don't need to bother. It's important to
# try and avoid these calls if we can because some platforms that have
# them (e.g. Mac OS X 10.6) mark them as deprecated and they cause
# fatal (due to -Werror) warnings.
AC_CHECK_SIZEOF(off_t)
if test x"${ac_cv_sizeof_off_t}" = x8; then
bu_cv_have_fopen64=no
bu_cv_have_stat64=no
fi
AC_MSG_CHECKING([for fopen64]) AC_MSG_CHECKING([for fopen64])
AC_CACHE_VAL(bu_cv_have_fopen64, AC_CACHE_VAL(bu_cv_have_fopen64,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");])], [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");])],