added PRECIOUS line to Makefile

[org.ibex.core.git] / Makefile

diff --git a/Makefile b/Makefile
index 35c582e..31c65fd 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -110,6 +110,8 @@ java_sources              += build/java/org/xwt/mips/UsermodeConstants.java
 java_classes              := $(java_sources:build/java/%.java=build/class/%.class)
 java_classes              += build/class/gnu/regexp/CharUnit.class build/class/gnu/regexp/IntPair.class
 
+.PRECIOUS: $(java_classes) $(java_sources) *.java
+
 ### Java Source Files ##############################################################################
 
 build/java/gnu/regexp: .download_gnu.regexp-1.1.4