tce-load -i compiletc js52-dev gobject-introspection-dev gtk3-dev gtk3-gir

cd gjs-1.52.3

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe" ./configure --prefix=/usr/local --disable-static --libexecdir=/usr/local/lib --localstatedir=/var

[-fno-exceptions fails]

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [1m 1.18s]
sudo make install

        gjs 1.52.3

	GJS_CFLAGS:		-pthread -include /usr/local/include/mozjs-52/js/RequiredDefines.h -I/usr/local/include/gobject-introspection-1.0 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/local/include -I/usr/local/include/mozjs-52 -I/usr/local/include/nspr
	GJS_LIBS:		-L/usr/local/lib -lgirepository-1.0 -lffi -lgthread-2.0 -pthread -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lmozjs-52

	cairo:			yes
	GTK+:			yes
	readline:		yes
	dtrace:			no
	systemtap:		no
	Profiler:		yes
	Run tests under:	dbus
	Code coverage:		no