X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstat.m4;h=b558bb9965a5ef990829de5433b774e18896b371;hb=3e12b37e33d27cd420631f483ccac3ace008d7cb;hp=6ac3e02e338d3f3c221008a57e13447d9a9a03c6;hpb=0ebbcc8728f3e5b7234509b75e9bf513011c7698;p=gnulib.git diff --git a/m4/stat.m4 b/m4/stat.m4 index 6ac3e02e3..b558bb996 100644 --- a/m4/stat.m4 +++ b/m4/stat.m4 @@ -1,20 +1,19 @@ -#serial 1 +#serial 6 dnl From Jim Meyering. dnl Determine whether stat has the bug that it succeeds when given the -dnl zero-length file name argument. The stat from SunOS4.1.4 does this. +dnl zero-length file name argument. The stat from SunOS4.1.4 and the Hurd +dnl (as of 1998-11-01) do this. dnl -dnl If it doesn't, arrange to use the replacement function. -dnl -dnl If you use this macro in a package, you should -dnl add the following two lines to acconfig.h: -dnl /* Define to rpl_stat if the replacement function should be used. */ -dnl #undef stat +dnl If it does, then define HAVE_STAT_EMPTY_STRING_BUG and arrange to +dnl compile the wrapper function. dnl AC_DEFUN(jm_FUNC_STAT, [ - AC_CACHE_CHECK([for working stat], jm_cv_func_working_stat, + AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + AC_CACHE_CHECK([whether stat accepts an empty string], + jm_cv_func_stat_empty_string_bug, [AC_TRY_RUN([ # include # include @@ -23,16 +22,19 @@ AC_DEFUN(jm_FUNC_STAT, main () { struct stat sbuf; - exit (stat ("", &sbuf) == 0 ? 1 : 0); + exit (stat ("", &sbuf) ? 1 : 0); } ], - jm_cv_func_working_stat=yes, - jm_cv_func_working_stat=no, + jm_cv_func_stat_empty_string_bug=yes, + jm_cv_func_stat_empty_string_bug=no, dnl When crosscompiling, assume stat is broken. - jm_cv_func_working_stat=no) + jm_cv_func_stat_empty_string_bug=yes) ]) - if test $jm_cv_func_working_stat = no; then - LIBOBJS="$LIBOBJS stat.o" - AC_DEFINE_UNQUOTED(stat, rpl_stat) + if test $jm_cv_func_stat_empty_string_bug = yes; then + AC_LIBOBJ(stat) + AC_DEFINE_UNQUOTED(HAVE_STAT_EMPTY_STRING_BUG, 1, +[Define if stat has the bug that it succeeds when given the zero-length + file name argument. The stat from SunOS4.1.4 and the Hurd as of 1998-11-01) + do this. ]) fi ])