From 6343a017f75e65fee9fb2afd2812d016877961d8 Mon Sep 17 00:00:00 2001
From: Georg Baum <baum@lyx.org>
Date: Thu, 5 May 2016 12:41:24 +0200
Subject: [PATCH] Do not search for X in mingw builds

The manual qt configuration did not work previously for mingw builds, since it
serached for X libraries, which are not used by LyX on mingw.
---
 config/qt4.m4 | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/config/qt4.m4 b/config/qt4.m4
index 33029b933d..2bcd4f3bfc 100644
--- a/config/qt4.m4
+++ b/config/qt4.m4
@@ -253,8 +253,13 @@ AC_DEFUN([QT_DO_PKG_CONFIG],
 AC_DEFUN([QT_DO_MANUAL_CONFIG],
 [
 	dnl Check for X libraries
-	AC_PATH_X
-	AC_PATH_XTRA
+	case ${host} in
+	*mingw*) ;;
+	*) \
+	  AC_PATH_X \
+	  AC_PATH_XTRA \
+	;;
+	esac
 	case $have_x in
 	    yes) LIBS="$X_PRE_LIBS $LIBS $X_LIBS -lX11 $X_EXTRA_LIBS"
 	         CPPFLAGS="$CPPFLAGS $X_CFLAGS";;