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author | Jim Meyering <jim@meyering.net> | 2003-08-10 09:57:26 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2003-08-10 09:57:26 +0000 |
commit | 84450a03e48e9ff34377a02cb9fb932c0460af68 (patch) | |
tree | 31426f90170ec6e1cd565179d01b1f178d2d9019 | |
parent | 88d7fc08b152af44f40e77239e65eb879453398a (diff) | |
download | coreutils-84450a03e48e9ff34377a02cb9fb932c0460af68.tar.xz |
Renamed from utimes.m4.
-rw-r--r-- | m4/utimes-null.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/m4/utimes-null.m4 b/m4/utimes-null.m4 new file mode 100644 index 000000000..f7e7842c5 --- /dev/null +++ b/m4/utimes-null.m4 @@ -0,0 +1,32 @@ +#serial 4 + +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_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null, +[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 ("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 + AC_DEFINE(HAVE_UTIMES_NULL, 1, + [Define if utimes accepts a null argument]) + fi + ] +) |