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-rw-r--r--Build/source/libs/zlib/ac/zlib.ac8
1 files changed, 6 insertions, 2 deletions
diff --git a/Build/source/libs/zlib/ac/zlib.ac b/Build/source/libs/zlib/ac/zlib.ac
index e5d0efb3f1a..85f5a50439d 100644
--- a/Build/source/libs/zlib/ac/zlib.ac
+++ b/Build/source/libs/zlib/ac/zlib.ac
@@ -3,5 +3,9 @@ dnl
dnl Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
dnl You may freely use, modify and/or distribute this file.
dnl
-## define required functions and headers from system zlib
-KPSE_CHECK_LIB([zlib], [inflate], [zlib.h])
+## basic check of system zlib
+KPSE_TRY_LIB([zlib],
+ [#include <zlib.h>],
+ [z_stream stream;
+const char *version = zlibVersion();
+deflate(&stream, 0);])