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#serial 1
# On some systems (e.g., HPUX-10.20), mkstemp has the silly limit that it
# can create no more than 26 files from a given template. Other systems
# lack mkstemp altogether. On either type of system, arrange to use the
# replacement function.
AC_DEFUN([UTILS_FUNC_MKSTEMP],
[dnl
AC_REPLACE_FUNCS(mkstemp)
if test $ac_cv_func_mkstemp = no; then
utils_cv_func_mkstemp_limitations=yes
else
AC_CACHE_CHECK([for mkstemp limitations],
utils_cv_func_mkstemp_limitations,
[
AC_TRY_RUN([
# include <stdlib.h>
int main ()
{
int i;
for (i = 0; i < 30; i++)
{
char template[] = "conftestXXXXXX";
int fd = mkstemp (template);
if (fd == -1)
exit (1);
close (fd);
}
exit (0);
}
],
utils_cv_func_mkstemp_limitations=no,
utils_cv_func_mkstemp_limitations=yes,
utils_cv_func_mkstemp_limitations=yes
)
]
)
fi
if test $utils_cv_func_mkstemp_limitations = yes; then
AC_LIBOBJ(mkstemp)
AC_LIBOBJ(tempname)
AC_DEFINE(mkstemp, rpl_mkstemp,
[Define to rpl_mkstemp if the replacement function should be used.])
fi
])
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