configure: check for zlib
It's required for gfio, even if gfio isn't enabled. The client
and server uses compression for larger messages.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/configure b/configure
index 5dd683c..4e2202f 100755
--- a/configure
+++ b/configure
@@ -396,6 +396,28 @@
echo "Wordsize $wordsize"
##########################################
+# zlib probe
+zlib="no"
+cat > $TMPC <<EOF
+#include <zlib.h>
+int main(void)
+{
+ z_stream stream;
+ if (inflateInit(&stream) != Z_OK)
+ return 1;
+ return 0;
+}
+EOF
+if compile_prog "" "-lz" "zlib" ; then
+ zlib=yes
+ LIBS="-lz $LIBS"
+else
+ feature_not_found "zlib"
+ zlib=no
+fi
+echo "zlib $zlib"
+
+##########################################
# linux-aio probe
libaio="no"
cat > $TMPC <<EOF