configure: use pkg-config to detect x11 and simplify checks
authorTim-Philipp Müller <tim@centricular.com>
Sun, 10 Aug 2014 17:55:07 +0000 (18:55 +0100)
committerTim-Philipp Müller <tim@centricular.com>
Sun, 10 Aug 2014 17:55:07 +0000 (18:55 +0100)
commit09b1ba949108dffa908e5a96d33374f4e523af1c
tree08d2fbe1011ab9631d049e3c2aa953cbdd28a879
parent6ea83d97c579dc801f54c29c584667ff73a4bb73
configure: use pkg-config to detect x11 and simplify checks

AC_PATH_XTRA macro unnecessarily pulls in libSM and libICE.

https://bugzilla.gnome.org/show_bug.cgi?id=731047
configure.ac