Add a configure check for zlib (Ryota OZAKI).

This patch makes configure check zlib devel files installed.
Current configure doesn't check that, so make will fail if they
are not installed.

Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5456 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/configure b/configure
index ba80f1c..365b361 100755 (executable)
--- a/configure
+++ b/configure
@@ -716,6 +716,23 @@ else
 fi
 
 ##########################################
+# zlib check
+
+cat > $TMPC << EOF
+#include <zlib.h>
+int main(void) { zlibVersion(); return 0; }
+EOF
+if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -lz 2> /dev/null ; then
+    :
+else
+    echo
+    echo "Error: zlib check failed"
+    echo "Make sure to have the zlib libs and headers installed."
+    echo
+    exit 1
+fi
+
+##########################################
 # SDL probe
 
 sdl_too_old=no