Building xfwm4 on Debian with --enable-compositor problem.

[Samuli Suominen]

> > I can't get the build-in compositor to build with Debian. Also remember there was a solution for this, saw it in #xfce on Freenode, was a matter of changing
> > one line in one file but I've forgotten about it. Anyone care to remind me?
> You should 'export PKG_CONFIG_PATH=/usr/X11R6/lib/pkgconfig'.

That wasn't it. See..

/usr/lib/pkgconfig/compositeproto.pc
dpkg -L x11proto-composite-dev
/usr/include/X11/extensions/Xcomposite.h
/usr/lib/pkgconfig/xcomposite.pc
dpkg -L libxcomposite-dev

This is X.org 7.0 on Debian Unstable.

It was something else..