- require libz >= 1.2.0.4

diff --git a/config.m4 b/config.m4
index bf19c2418424870dc919c62d4d8e3748c14fa40b..7ff9a6b5f71252061084ad16dfc4bcc59e007bdf 100644 (file)
--- a/config.m4
+++ b/config.m4
@@ -52,9 +52,16 @@ dnl ----
                AC_MSG_WARN([gzip support not enabled; zlib.h not found])
        else
                AC_MSG_RESULT([found in $ZLIB_DIR])
-               PHP_ADD_INCLUDE($ZLIB_DIR/include)
-               PHP_ADD_LIBRARY_WITH_PATH(z, $ZLIB_DIR/$PHP_LIBDIR, HTTP_SHARED_LIBADD)
-               AC_DEFINE([HTTP_HAVE_ZLIB], [1], [Have zlib support])
+               AC_MSG_CHECKING([for zlib version >= 1.2.0.4])
+               ZLIB_VERSION=`$EGREP "define ZLIB_VERSION" $ZLIB_DIR/include/zlib.h | $SED -e 's/[[^0-9\.]]//g'`
+               AC_MSG_RESULT([$ZLIB_VERSION])
+               if test `echo $ZLIB_VERSION | $SED -e 's/[[^0-9]]/ /g' | $AWK '{print $1*1000000 + $2*10000 + $3*100 + $4}'` -lt 1020004; then
+                       AC_MSG_WARN([gzip support not enabled; libz version greater or equal to 1.2.0.4 required])
+               else
+                       PHP_ADD_INCLUDE($ZLIB_DIR/include)
+                       PHP_ADD_LIBRARY_WITH_PATH(z, $ZLIB_DIR/$PHP_LIBDIR, HTTP_SHARED_LIBADD)
+                       AC_DEFINE([HTTP_HAVE_ZLIB], [1], [Have zlib support])
+               fi
        fi
        
 dnl ----