diff -up gedit-2.29.8/configure.ac.libm gedit-2.29.8/configure.ac
--- gedit-2.29.8/configure.ac.libm	2010-03-01 15:12:45.000000000 -0500
+++ gedit-2.29.8/configure.ac	2010-03-02 18:53:13.191648202 -0500
@@ -45,6 +45,7 @@ AC_PATH_PROG(GCONFTOOL, gconftool-2)
 GTK_DOC_CHECK([1.0],[--flavour=no-tmpl])
 AC_CHECK_FUNCS(fsync)
 AC_CHECK_FUNC(sigaction)
+AC_CHECK_LIB(m, floor)
 
 dnl make sure we keep ACLOCAL_FLAGS around for maintainer builds to work
 AC_SUBST(ACLOCAL_AMFLAGS, "$ACLOCAL_FLAGS -I m4")
@@ -253,6 +254,7 @@ PKG_CHECK_MODULES(GEDIT, [
 	gtk+-2.0 >= 2.16.0
 	gtksourceview-2.0 >= 2.9.7
 	gconf-2.0 >= 1.1.11
+        x11
 ])
 
 dnl FIXME: Remove this when removing gedit-message-area