optimise Makefile to reduce build times

[org.ibex.tool.git] / Makefile

diff --git a/Makefile b/Makefile
index 1745df1..dcd5829 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,11 @@
-default:
-       @mkdir -p build
-       @javac -d build/ $(shell find src/java -name \*.java)
+default: $(patsubst src/java/%.java,build/%.class,$(shell find src/java -name \*.java))
        @cp -R src/rsc/* build/
 
+build/%.class:
+       @mkdir -p build
+       @echo "Compiling       $(subst /,.,$*)"
+       @javac -sourcepath src/java -d build -source 1.3 -target 1.1 \
+               src/java/$*.java
+
 clean:
        @rm -rf build