-#serial 1
+#serial 4
-dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL.
+dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL,
+dnl then do case-insensitive s/utime/utimes/.
-AC_DEFUN(jm_FUNC_UTIMES_NULL,
+AC_DEFUN([jm_FUNC_UTIMES_NULL],
[AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null,
-[rm -f conftestdata; > conftestdata
-AC_TRY_RUN([#include <sys/types.h>
+[rm -f conftest.data; > conftest.data
+AC_TRY_RUN([
+/* In case stat has been defined to rpl_stat, undef it here. */
+#undef stat
+#include <sys/types.h>
#include <sys/stat.h>
main() {
struct stat s, t;
-exit(!(stat ("conftestdata", &s) == 0 && utimes("conftestdata", (long *)0) == 0
-&& stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime
-&& t.st_mtime - s.st_mtime < 120));
-}], ac_cv_func_utimes_null=yes, ac_cv_func_utimes_null=no,
+exit(!(stat ("conftest.data", &s) == 0
+ && utimes("conftest.data", (long *)0) == 0
+ && stat("conftest.data", &t) == 0
+ && t.st_mtime >= s.st_mtime
+ && t.st_mtime - s.st_mtime < 120));
+}],
+ ac_cv_func_utimes_null=yes,
+ ac_cv_func_utimes_null=no,
ac_cv_func_utimes_null=no)
rm -f core core.* *.core])
if test $ac_cv_func_utimes_null = yes; then
- if test x = y; then
- # This code is deliberately never run via ./configure.
- # FIXME: this is a hack to make autoheader put the corresponding
- # HAVE_* undef for this symbol in config.h.in. This saves me the
- # trouble of having to maintain the #undef in acconfig.h manually.
- AC_CHECK_FUNCS(UTIMES_NULL)
- fi
- # Defining it this way (rather than via AC_DEFINE) short-circuits the
- # autoheader check -- autoheader doesn't know it's already been taken
- # care of by the hack above.
- ac_kludge=HAVE_UTIMES_NULL
- AC_DEFINE_UNQUOTED($ac_kludge)
+ AC_DEFINE(HAVE_UTIMES_NULL, 1,
+ [Define if utimes accepts a null argument])
fi
]
)