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| author | Jim Meyering <jim@meyering.net> | 2001-03-16 23:40:10 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2001-03-16 23:40:10 +0000 |
| commit | 06d3fd68cdb7d984399b8bdadf5c3f61e72e5c8a (patch) | |
| tree | 6f5c639af04cc240e029be3ae730229971576458 /m4 | |
| parent | be36cc026ff9d7655f21e612dc7faf4486cfc394 (diff) | |
| download | coreutils-06d3fd68cdb7d984399b8bdadf5c3f61e72e5c8a.tar.xz | |
Remove my copy of AC_FUNC_MEMCMP, now that
the version in autoconf has been updated.
(jm_FUNC_MEMCMP): Adjust.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/memcmp.m4 | 45 |
1 files changed, 3 insertions, 42 deletions
diff --git a/m4/memcmp.m4 b/m4/memcmp.m4 index 91b3dd315..a6b6d54e9 100644 --- a/m4/memcmp.m4 +++ b/m4/memcmp.m4 @@ -1,47 +1,8 @@ -#serial 5 - -dnl A replacement for autoconf's AC_FUNC_MEMCMP that detects -dnl the losing memcmp on some x86 Next systems. -AC_DEFUN(jm_AC_FUNC_MEMCMP, -[AC_CACHE_CHECK([for working memcmp], jm_cv_func_memcmp_working, -[AC_TRY_RUN( -[int -main () -{ - /* Some versions of memcmp are not 8-bit clean. */ - char c0 = 0x40, c1 = 0x80, c2 = 0x81; - if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0) - exit (1); - - /* The Next x86 OpenStep bug shows up only when comparing 16 bytes - or more and with at least one buffer not starting on a 4-byte boundary. - William Lewis provided this test program. */ - { - char foo[21]; - char bar[21]; - int i; - for (i = 0; i < 4; i++) - { - char *a = foo + i; - char *b = bar + i; - strcpy (a, "--------01111111"); - strcpy (b, "--------10000000"); - if (memcmp (a, b, 16) >= 0) - exit (1); - } - exit (0); - } -}], - jm_cv_func_memcmp_working=yes, - jm_cv_func_memcmp_working=no, - jm_cv_func_memcmp_working=no)]) -test $jm_cv_func_memcmp_working = no \ - && AC_LIBOBJ(memcmp) -]) +#serial 6 AC_DEFUN(jm_FUNC_MEMCMP, -[AC_REQUIRE([jm_AC_FUNC_MEMCMP])dnl - if test $jm_cv_func_memcmp_working = no; then +[AC_REQUIRE([AC_FUNC_MEMCMP])dnl + if test $ac_cv_func_memcmp_working = no; then AC_DEFINE_UNQUOTED(memcmp, rpl_memcmp, [Define to rpl_memcmp if the replacement function should be used.]) fi |