--- a/Makefile	2017-04-15 13:18:10.245046593 +0200
+++ b/Makefile	2017-04-15 13:21:33.576889025 +0200
@@ -1,5 +1,5 @@
 TAG = R3_8_2
-TAG = R4_3_1
+#TAG = R4_3_1
 
 cvsroot = :pserver:anonymous@dev.eclipse.org:/cvsroot/eclipse
 
@@ -15,6 +15,7 @@
 checkout:
 #	git clone -b R3_8_maintenance git://git.eclipse.org/gitroot/jdt/eclipse.jdt.core.git
 #	wget http://git.eclipse.org/c/jdt/eclipse.jdt.core.git/snapshot/$(TAG).tar.gz
+	curl -O https://git.eclipse.org/c/jdt/eclipse.jdt.core.git/snapshot/$(TAG).tar.gz
 	tar xf $(TAG).tar.gz
 	rm -rf org.eclipse.jdt.core
 	mkdir org.eclipse.jdt.core
@@ -37,7 +38,7 @@
 OUTPUT = bin
 
 ecj.jar:
-	cd $(OUTPUT); jar cf ../ecj.jar .
+	cd $(OUTPUT); /opt/gcc-4.0.4/bin/fastjar cf ../ecj.jar .
 
 ecj-source.tar.bz2:
 	tar -jcf ecj-source.tar.bz2 --exclude '*~' \
@@ -46,7 +47,7 @@
 compile:
 	@mkdir -p $(OUTPUT)
 	find $(SOURCES) -name '*.java' > List
-	ecj -d $(OUTPUT) -1.5 -nowarn -g @List
+	/opt/gcc-4.0.4/bin/gcj -C -d $(OUTPUT) -g @List
 	set -e; \
 	here=`pwd`; for dir in $(SOURCES); do \
 	  (cd $$dir; find . -name '*.properties' -o -name '*.props' -o -name '*.rsc' | \