Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -15,25 +15,27 @@
 utils tests: src
 
 tarball:
 	echo "Generating tarball for version ${PACKAGE_VERSION}..."
 	rm -fr objfw-${PACKAGE_VERSION} objfw-${PACKAGE_VERSION}.tar \
-		objfw-${PACKAGE_VERSION}.tar.xz
+		objfw-${PACKAGE_VERSION}.tar.gz
 	mkdir objfw-${PACKAGE_VERSION}
 	git --work-tree=objfw-${PACKAGE_VERSION} checkout .
 	rm objfw-${PACKAGE_VERSION}/.gitignore
 	cp configure config.h.in objfw-${PACKAGE_VERSION}/
 	tar cf objfw-${PACKAGE_VERSION}.tar objfw-${PACKAGE_VERSION}
 	rm -fr objfw-${PACKAGE_VERSION}
-	xz objfw-${PACKAGE_VERSION}.tar
+	gzip -9 objfw-${PACKAGE_VERSION}.tar
 	rm -f objfw-${PACKAGE_VERSION}.tar
-	gpg -b objfw-${PACKAGE_VERSION}.tar.xz || true
+	gpg -b objfw-${PACKAGE_VERSION}.tar.gz || true
 	echo "Generating documentation..."
 	rm -fr docs
 	doxygen >/dev/null
+	rm -fr objfw-docs-${PACKAGE_VERSION} objfw-docs-${PACKAGE_VERSION}.tar \
+		objfw-docs-${PACKAGE_VERSION}.tar.gz
 	mv docs objfw-docs-${PACKAGE_VERSION}
 	echo "Generating docs tarball for version ${PACKAGE_VERSION}..."
 	tar cf objfw-docs-${PACKAGE_VERSION}.tar objfw-docs-${PACKAGE_VERSION}
 	rm -fr objfw-docs-${PACKAGE_VERSION}
-	xz objfw-docs-${PACKAGE_VERSION}.tar
+	gzip -9 objfw-docs-${PACKAGE_VERSION}.tar
 	rm -f objfw-docs-${PACKAGE_VERSION}.tar
-	gpg -b objfw-docs-${PACKAGE_VERSION}.tar.xz || true
+	gpg -b objfw-docs-${PACKAGE_VERSION}.tar.gz || true