diff -Nru xorg-server-1.15.2.orig/configure.ac xorg-server-1.15.2/configure.ac
--- xorg-server-1.15.2.orig/configure.ac	2014-06-27 02:57:42.000000000 +0200
+++ xorg-server-1.15.2/configure.ac	2014-09-10 02:08:41.158460451 +0200
@@ -1653,7 +1653,7 @@
 PKG_CHECK_MODULES([XSERVERCFLAGS], [$REQUIRED_MODULES $REQUIRED_LIBS])
 PKG_CHECK_MODULES([XSERVERLIBS], [$REQUIRED_LIBS])
 
-PKG_CHECK_MODULES(LIBUNWIND, libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
+PKG_CHECK_MODULES(LIBUNWIND, libunwind-generic, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
 if test "x$LIBUNWIND" = "xauto"; then
     LIBUNWIND="$HAVE_LIBUNWIND"
 fi