termux-packages/packages/ecj/build.sh

TERMUX_PKG_HOMEPAGE=http://www.eclipse.org/jdt/core/
TERMUX_PKG_DESCRIPTION="Eclipse Compiler for Java"
TERMUX_PKG_VERSION=4.6.2
_date=201611241400
TERMUX_PKG_REVISION=3
TERMUX_PKG_SRCURL=http://eclipse.mirror.wearetriple.com/eclipse/downloads/drops${TERMUX_PKG_VERSION:0:1}/R-${TERMUX_PKG_VERSION}-${_date}/ecj-${TERMUX_PKG_VERSION}.jar
# http://www.eclipse.org/downloads/download.php?file=/eclipse/downloads/drops4/R-4.7.2-201711300510/ecj-4.7.2.jar
TERMUX_PKG_SHA256=9953dc2be829732e1b939106a71de018f660891220dbca559a5c7bff84883e51
TERMUX_PKG_PLATFORM_INDEPENDENT=true

termux_step_extract_package () {
	mkdir $TERMUX_PKG_SRCDIR
}

termux_step_make () {
	local RAW_JAR=$TERMUX_PKG_CACHEDIR/ecj-${TERMUX_PKG_VERSION}.jar
	termux_download $TERMUX_PKG_SRCURL \
		$RAW_JAR \
		$TERMUX_PKG_SHA256

	mkdir -p $TERMUX_PREFIX/share/{dex,java}
	$TERMUX_D8 \
		--release \
		--min-api 21 \
		--output $TERMUX_PKG_TMPDIR \
		$RAW_JAR

	# Package classes.dex into jar:
	cd $TERMUX_PKG_TMPDIR
	jar cf ecj.jar classes.dex
	# Add needed properties file to jar file:
	jar xf $RAW_JAR org/eclipse/jdt/internal/compiler/batch/messages.properties
	jar uf ecj.jar  org/eclipse/jdt/internal/compiler/batch/messages.properties
	jar xf $RAW_JAR org/eclipse/jdt/internal/compiler/problem/messages.properties
	jar uf ecj.jar  org/eclipse/jdt/internal/compiler/problem/messages.properties
	jar xf $RAW_JAR org/eclipse/jdt/internal/compiler/messages.properties
	jar uf ecj.jar  org/eclipse/jdt/internal/compiler/messages.properties
	jar xf $RAW_JAR org/eclipse/jdt/internal/compiler/parser/readableNames.props
	jar uf ecj.jar  org/eclipse/jdt/internal/compiler/parser/readableNames.props
	for i in `seq 1 24`; do
		jar xf $RAW_JAR org/eclipse/jdt/internal/compiler/parser/parser$i.rsc
		jar uf ecj.jar  org/eclipse/jdt/internal/compiler/parser/parser$i.rsc
	done
	# Move into place:
	mv ecj.jar $TERMUX_PREFIX/share/dex/ecj.jar

	rm -rf android-jar
	mkdir android-jar
	cd android-jar

        # We need the android classes for JDT to compile against.
	cp $ANDROID_HOME/platforms/android-27/android.jar .
	unzip -q android.jar
	rm -Rf android.jar resources.arsc res assets
	jar cfM android.jar .

	cp $TERMUX_PKG_TMPDIR/android-jar/android.jar $TERMUX_PREFIX/share/java/android.jar

	# Bundle in an android.jar from an older API also, for those who want to
	# build apps that run on older Android versions.
	rm -Rf ./*
	cp $ANDROID_HOME/platforms/android-21/android.jar android.jar
	unzip -q android.jar
	rm -Rf android.jar resources.arsc res assets
	jar cfM android-21.jar .
	cp $TERMUX_PKG_TMPDIR/android-jar/android-21.jar $TERMUX_PREFIX/share/java/

	rm -Rf $TERMUX_PREFIX/bin/javac
	install $TERMUX_PKG_BUILDER_DIR/ecj $TERMUX_PREFIX/bin/ecj
	perl -p -i -e "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/ecj
	install $TERMUX_PKG_BUILDER_DIR/ecj-21 $TERMUX_PREFIX/bin/ecj-21
	perl -p -i -e "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/ecj-21
}