-#serial 2
+#serial 4
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;
}
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"
+test $jm_cv_func_memcmp_working = no \
+ && LIBOBJS="$LIBOBJS memcmp.$ac_objext"
AC_SUBST(LIBOBJS)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_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
])