+AC_ARG_ENABLE(weston-launch, [ --enable-weston-launch],, enable_weston_launch=yes)
+AM_CONDITIONAL(BUILD_WESTON_LAUNCH, test x$enable_weston_launch == xyes)
+if test x$enable_weston_launch == xyes; then
+ PKG_CHECK_MODULES(WESTON_LAUNCH, [libdrm])
+ PKG_CHECK_MODULES(SYSTEMD_LOGIN, [libsystemd-login],
+ [have_systemd_login=yes], [have_systemd_login=no])
+ AS_IF([test "x$have_systemd_login" = "xyes"],
+ [AC_DEFINE([HAVE_SYSTEMD_LOGIN], [1], [Have systemd-login])])
+
+ AC_CHECK_LIB([pam], [pam_open_session], [have_pam=yes], [have_pam=no])
+ if test x$have_pam == xno; then
+ AC_ERROR([weston-launch requires pam])
+ fi
+ WESTON_LAUNCH_LIBS="$WESTON_LAUNCH_LIBS -lpam"
+fi
+
+PKG_CHECK_MODULES(GLU, [glu], [have_glu=yes], [have_glu=no])
+AM_CONDITIONAL(HAVE_GLU, test "x$have_glu" = "xyes")
+
+