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authorJim Meyering <jim@meyering.net>2005-01-14 13:33:26 +0000
committerJim Meyering <jim@meyering.net>2005-01-14 13:33:26 +0000
commit14f7a72f5a88f64ae7101a9d4a4a723041c94366 (patch)
tree9837cbd3cab9a0775cafd91feb8df35b92c10468 /m4
parentec597a0f84cd726686f32c61c84870a30fb4d396 (diff)
downloadcoreutils-14f7a72f5a88f64ae7101a9d4a4a723041c94366.tar.xz
Work around tests/touch/empty-file failure on a system
(sparc64, Linux-2.4.28, glibc-2.3.3) that didn't honor utimes' NULL-means-set-to-current-time semantics. Remove temporary file immediately, rather than waiting for configure's at-exit trap code to do it.
Diffstat (limited to 'm4')
-rw-r--r--m4/utimes.m423
1 files changed, 21 insertions, 2 deletions
diff --git a/m4/utimes.m4 b/m4/utimes.m4
index dae46f00e..784516cc3 100644
--- a/m4/utimes.m4
+++ b/m4/utimes.m4
@@ -3,6 +3,8 @@
# First, there was a bug that would make utimes set mtime
# and atime to zero (1970-01-01) unconditionally.
# Then, there was code to round rather than truncate.
+# Then, there was an implementation (sparc64, Linux-2.4.28, glibc-2.3.3)
+# that didn't honor the NULL-means-set-to-current-time semantics.
#
# From Jim Meyering, with suggestions from Paul Eggert.
@@ -15,6 +17,7 @@ AC_DEFUN([gl_FUNC_UTIMES],
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
+#include <time.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
@@ -27,13 +30,29 @@ main ()
struct stat sbuf;
char const *file = "conftest.utimes";
FILE *f;
+ time_t now;
- exit ( ! ((f = fopen (file, "w"))
+ int ok = ((f = fopen (file, "w"))
&& fclose (f) == 0
&& utimes (file, timeval) == 0
&& lstat (file, &sbuf) == 0
&& sbuf.st_atime == timeval[0].tv_sec
- && sbuf.st_mtime == timeval[1].tv_sec) );
+ && sbuf.st_mtime == timeval[1].tv_sec);
+ unlink (file);
+ if (!ok)
+ exit (1);
+
+ ok =
+ ((f = fopen (file, "w"))
+ && fclose (f) == 0
+ && time (&now) != (time_t)-1
+ && utimes (file, NULL) == 0
+ && lstat (file, &sbuf) == 0
+ && now - sbuf.st_atime <= 2
+ && now - sbuf.st_mtime <= 2);
+ unlink (file);
+
+ exit (!ok);
}
]])],
[gl_cv_func_working_utimes=yes],