X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=acinclude.m4;h=0433f778edf2ceebb234780cabda5c0c12b7e0cf;hp=12350184e76403c573c38cd4fb136e4185f5bee5;hb=e5d3bf4cb7ffe363ff7e820090649122b8ca689f;hpb=ac8fc4a3eb27b8701ad8b5f5d56aa9c7636b0db8;ds=sidebyside

diff --git a/acinclude.m4 b/acinclude.m4
index 12350184..0433f778 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -14,6 +14,7 @@ AC_DEFUN(GINAC_LIB_READLINE_VERSION,
 [AC_CACHE_CHECK([for version of libreadline], ginac_cv_rlversion, [
 AC_TRY_RUN([
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <readline/readline.h>