add a variable to specify windows build concurrency

diff --git a/tools/x-win/compile.sh b/tools/x-win/compile.sh
index 95e581b2d1c3d306adfe786d3101bc5ed9586cf5..fb4d4aa85f1fb1c2c033bf02239271df21f7efc4 100755 (executable)
--- a/tools/x-win/compile.sh
+++ b/tools/x-win/compile.sh
@@ -70,4 +70,4 @@ LDFLAGS="-L${PREFIX}/lib" ./waf configure \
        --also-include=${PREFIX}/include \
        $ARDOURCFG \
        --prefix=${PREFIX}
-./waf
+./waf ${CONCURRENCY}