only rebuild default_options_guard.h if necessary

5 years ago · 39705de36e
parent 72a4a088bd
commit 39705de36e
1 changed files with 2 additions and 2 deletions
--- a/4
+++ b/4
@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 instlib() {
 	for i in `ls libs`
@ -8,7 +8,7 @@ instlib() {
 	done
 }
-dropbear/ifndef_wrapper.sh < dropbear/default_options.h > dropbear/default_options_guard.h &&
+[ dropbear/default_options.h -nt dropbear/default_options_guard.h ] && dropbear/ifndef_wrapper.sh < dropbear/default_options.h > dropbear/default_options_guard.h
 ~/Android/Sdk/ndk-bundle/ndk-build -j8 &&
 mkdir -p app/src/main/lib/armeabi-v7a &&
 instlib scp libscp.so &&