From 1565cab1a6768fb773972fea9836e58821d0d64a Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 29 Dec 2012 11:12:31 +0000
Subject: cmake.mk: add support for overriding the source dir, and define the
 cmake prefix path to avoid picking up host libraries for target builds (patch
 by Henning Rogge)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34914 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/cmake.mk | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/cmake.mk b/include/cmake.mk
index 4c4af502cc..64a0654f96 100644
--- a/include/cmake.mk
+++ b/include/cmake.mk
@@ -4,6 +4,8 @@ ifneq ($(findstring c,$(OPENWRT_VERBOSE)),)
   MAKE_FLAGS+=VERBOSE=1
 endif
 
+CMAKE_SOURCE_DIR:=.
+
 ifeq ($(CONFIG_CCACHE),)
  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   CMAKE_C_COMPILER:=$(TOOLCHAIN_DIR)/bin/$(TARGET_CC)
@@ -53,8 +55,9 @@ define Build/Configure/Default
 			-DCMAKE_STRIP=: \
 			-DCMAKE_INSTALL_PREFIX=/usr \
 			-DDL_LIBRARY=$(STAGING_DIR) \
+                        -DCMAKE_PREFIX_PATH=$(STAGING_DIR) \
 			$(CMAKE_OPTIONS) \
-		. \
+		$(CMAKE_SOURCE_DIR) \
 	)
 endef
 
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