X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=acinclude.m4;h=53b45e5a9e8c0ac36712bc13206561eb6a40151e;hp=5471a53c455ac37d0d7377a40470553aef1bc63d;hb=9f3e78a13c72ca73ade4d0829186edcdc1c1b2a0;hpb=9413cd14faaf2980de3884915e22a5beda068ecc

diff --git a/acinclude.m4 b/acinclude.m4
index 5471a53c..53b45e5a 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -30,8 +30,10 @@ AC_CACHE_CHECK([for standard C++ header files], [ginac_cv_std_cxx_headers], [
 	AC_LANG_PUSH([C++])
 	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 		#include <algorithm>
-		#include <cstring>
 		#include <cstddef>
+		#include <cstdio>
+		#include <cstdlib>
+		#include <cstring>
 		#include <cstdint>
 		#include <ctime>
 		#include <fstream>
@@ -81,7 +83,7 @@ else
 	AC_CACHE_CHECK([for version of libreadline], [ginac_cv_rl_supported], [
 		ginac_cv_rl_supported="no"
 		AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-			#include <stdio.h>
+			#include <cstdio>
 			#include <readline/readline.h>
 			#if !defined(RL_VERSION_MAJOR) || !defined(RL_VERSION_MINOR)
 			#error "Ancient/unsupported version of readline"