diff options
| -rw-r--r-- | m4/chown.m4 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/m4/chown.m4 b/m4/chown.m4 index 4ae19a953..1fb6203e9 100644 --- a/m4/chown.m4 +++ b/m4/chown.m4 @@ -17,6 +17,7 @@ AC_DEFUN(jm_FUNC_CHOWN, AC_CACHE_CHECK([for working chown], jm_cv_func_working_chown, [AC_TRY_RUN([ # include <sys/types.h> +# include <stat.h> # include <fcntl.h> # ifdef HAVE_UNISTD_H # include <unistd.h> @@ -28,7 +29,14 @@ AC_DEFUN(jm_FUNC_CHOWN, char *f = "conftestchown"; if (creat (f, 0600) < 0) exit (1); - exit (chown (f, (uid_t) -1, (gid_t) -1) == -1 ? 1 : 0); + if (stat (f, &before) < 0) + exit (1); + if (chown (f, (uid_t) -1, (gid_t) -1) == -1) + exit (1); + if (stat (f, &after) < 0) + exit (1); + exit ((before.st_uid == after.st_uid + && before.st_gid == after.st_gid) ? 0 : 1); } ], jm_cv_func_working_chown=yes, |