-#serial 1
+#serial 4
dnl From Jim Meyering.
dnl Determine whether malloc accepts 0 as its argument.
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_malloc if the replacement function should be used. */
-dnl #undef malloc
-dnl
AC_DEFUN(jm_FUNC_MALLOC,
[
+ dnl xmalloc.c requires that this symbol be defined so it doesn't
+ dnl mistakenly use a broken malloc -- as it might if this test were omitted.
+ AC_DEFINE_UNQUOTED(HAVE_DONE_WORKING_MALLOC_CHECK, 1,
+ [Define if the malloc check has been performed. ])
+
AC_CACHE_CHECK([for working malloc], jm_cv_func_working_malloc,
[AC_TRY_RUN([
char *malloc ();
jm_cv_func_working_malloc=no)
])
if test $jm_cv_func_working_malloc = no; then
- LIBOBJS="$LIBOBJS malloc.o"
- AC_DEFINE_UNQUOTED(malloc, rpl_malloc)
+ AC_LIBOBJ(malloc)
+ AC_DEFINE_UNQUOTED(malloc, rpl_malloc,
+ [Define to rpl_malloc if the replacement function should be used.])
fi
])