X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmemcmp.m4;h=91b3dd3152ad3c7c947a2d658e6b944e5f2a34a8;hb=415175fcb509494574e9eb416575047acfa90df9;hp=82b4b7cc862d93ec47903d51ff2cc05352ba2372;hpb=4d79a4bf952f54c82ac41e88c7b1c40365c0d004;p=gnulib.git diff --git a/m4/memcmp.m4 b/m4/memcmp.m4 index 82b4b7cc8..91b3dd315 100644 --- a/m4/memcmp.m4 +++ b/m4/memcmp.m4 @@ -1,13 +1,12 @@ -#serial 2 +#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( -changequote(<<, >>)dnl -<< -main() +[int +main () { /* Some versions of memcmp are not 8-bit clean. */ char c0 = 0x40, c1 = 0x80, c2 = 0x81; @@ -32,24 +31,18 @@ main() } exit (0); } -} ->>, -changequote([, ])dnl +}], jm_cv_func_memcmp_working=yes, jm_cv_func_memcmp_working=no, jm_cv_func_memcmp_working=no)]) -test $jm_cv_func_memcmp_working = no && LIBOBJS="$LIBOBJS memcmp.o" -AC_SUBST(LIBOBJS)dnl +test $jm_cv_func_memcmp_working = no \ + && AC_LIBOBJ(memcmp) ]) -dnl If you use this macro in a package, you should -dnl add the following two lines to acconfig.h: -dnl /* Define to rpl_memcmp if the replacement function should be used. */ -dnl #undef memcmp -dnl AC_DEFUN(jm_FUNC_MEMCMP, [AC_REQUIRE([jm_AC_FUNC_MEMCMP])dnl if test $jm_cv_func_memcmp_working = no; then - AC_DEFINE_UNQUOTED(memcmp, rpl_memcmp) + AC_DEFINE_UNQUOTED(memcmp, rpl_memcmp, + [Define to rpl_memcmp if the replacement function should be used.]) fi ])