mozjs60: fix x86_64-musl miscompilation and enable tests

srcpkgs/mozjs60/template

@@ -1,7 +1,7 @@
 # Template file for 'mozjs60'
 pkgname=mozjs60
 version=60.0.2
-revision=2
+revision=3
 wrksrc="firefox-${version}"
 build_wrksrc=js/src
 build_style=gnu-configure
@@ -28,18 +28,21 @@ do_configure() {
 		_args+=" --target=$XBPS_CROSS_TRIPLET --enable-linker=bfd"
 	fi
 
+	autoconf-2.13 old-configure.in > old-configure
+
 	touch ${wrksrc}/js/src/configure
+	touch ${wrksrc}/js/src/old-configure
 	SHELL=/bin/bash PYTHON=/usr/bin/python2 ./configure --prefix=/usr \
 		--disable-jemalloc --disable-optimize --enable-ctypes --enable-pie \
 		--enable-readline --enable-shared-js --enable-system-ffi \
-		--disable-tests --with-intl-api --with-system-icu \
-		--with-system-nspr --with-system-zlib \
+		--enable-tests --with-intl-api --with-system-icu \
+		--with-system-nspr --with-system-zlib --target=${XBPS_TRIPLET} \
+		--host=${XBPS_TRIPLET} \
 		${_args}
 }
 
 do_check() {
-	# Needs VCS checkout type, which isn't present in release tarballs
-	:
+	dist/bin/jsapi-tests
 }
 
 post_install() {