From 06f7e893f1a9f90a6270109268c81e126ab5e4ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Grubbstr=C3=B6m=20=28Grubba=29?=
<grubba@grubba.org>
Date: Sun, 11 May 1997 19:38:22 +0200
Subject: [PATCH] Added version check of zlib.h.
Rev: src/modules/Gz/configure.in:1.4
---
src/modules/Gz/configure.in | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/modules/Gz/configure.in b/src/modules/Gz/configure.in
index 607731762e..2b45a60b5e 100644
--- a/src/modules/Gz/configure.in
+++ b/src/modules/Gz/configure.in
@@ -7,11 +7,22 @@ sinclude(../module_configure.in)
if test x$with_zlib = xyes ; then
AC_CHECK_HEADERS(zlib.h)
if test $ac_cv_header_zlib_h = yes ; then
- AC_CHECK_LIB(z, compress, [
+ AC_MSG_CHECKING([if libz.h is new enough])
+ AC_TRY_LINK([
+#include <zlib.h>
+ ],[
+int main(int argc, char **argv)
+{
+ return((Z_NO_COMPRESSION|Z_VERSION_ERROR) & 0);
+}
+ ],[ AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no); ac_cv_header_zlib_h=no ])
+ if test $ac_cv_header_zlib_h = yes ; then
+ AC_CHECK_LIB(z, compress, [
AC_DEFINE(HAVE_LIBZ)
LIBS="${LIBS-} -lz"
] ,
AC_CHECK_LIB(gz, compress))
+ fi
fi
fi
--
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