Index: lxpanel-0.5.9/configure.ac =================================================================== --- lxpanel-0.5.9.orig/configure.ac +++ lxpanel-0.5.9/configure.ac @@ -79,7 +79,7 @@ PKG_CHECK_MODULES(X11, [$pkg_modules]) AC_SUBST(X11_LIBS) pkg_modules="libwnck-1.0" -PKG_CHECK_MODULES(WNCK, [$pkg_modules]) +PKG_CHECK_MODULES(WNCK, [$pkg_modules], [:], [:]) AC_SUBST(WNCK_CFLAGS) AC_SUBST(WNCK_LIBS)