From 7242ded71038720bd80003be944493a429dfe3f9 Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <bobby@sharedrealm.com>
Date: Thu, 23 Jun 2011 17:17:56 -0700
Subject: [PATCH] Add ZMQ_PATH cmake variable for Windows.

---
 CMakeLists.txt | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 213533d..b9b2a6b 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,8 @@ set(LUA_NATIVE_OBJECTS_PATH ../LuaNativeObjects CACHE PATH
 				"Directory to LuaNativeObjects bindings generator.")
 set(USE_PRE_GENERATED_BINDINGS TRUE CACHE BOOL
 				"Set this to FALSE to re-generate bindings using LuaNativeObjects")
+set(ZMQ_PATH "" CACHE PATH
+				"Directory to libzmq. (by default use pkg-config to detect path)")
 
 set(COMMON_CFLAGS "${CFLAGS}")
 set(COMMON_LDFLAGS)
@@ -23,16 +25,30 @@ set(COMMON_LIBS)
 ## Lua 5.1.x
 include(FindLua51)
 if(NOT ${LUA51_FOUND})
-    message(FATAL_ERROR "The FindLua51 module could not find lua :-(")
+	message(FATAL_ERROR "The FindLua51 module could not find lua :-(")
 endif()
 set(COMMON_LIBS "${COMMON_LIBS};${LUA_LIBRARIES}")
 
 ## LibZMQ
-include(FindPkgConfig)
-pkg_search_module(ZMQ REQUIRED libzmq)
-set(COMMON_CFLAGS "${COMMON_CFLAGS} ${ZMQ_CFLAGS}")
-set(COMMON_LDFLAGS "${COMMON_LDFLAGS} ${ZMQ_LDFLAGS}")
-set(COMMON_LIBS "${COMMON_LIBS};${ZMQ_LIBRARIES}")
+if(WIN32)
+	## need ZMQ_PATH
+	if(IS_DIRECTORY "${ZMQ_PATH}")
+	else()
+		message(FATAL_ERROR "Please set the ZMQ_PATH CMake variable.")
+	endif()
+endif()
+if(IS_DIRECTORY ${ZMQ_PATH})
+	set(COMMON_CFLAGS "${COMMON_CFLAGS} -I${ZMQ_PATH}/include")
+	set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -L${ZMQ_PATH}/lib")
+	set(COMMON_LIBS "${COMMON_LIBS};zmq")
+else()
+	## fallback to using pkg-config
+	include(FindPkgConfig)
+	pkg_search_module(ZMQ REQUIRED libzmq)
+	set(COMMON_CFLAGS "${COMMON_CFLAGS} ${ZMQ_CFLAGS}")
+	set(COMMON_LDFLAGS "${COMMON_LDFLAGS} ${ZMQ_LDFLAGS}")
+	set(COMMON_LIBS "${COMMON_LIBS};${ZMQ_LIBRARIES}")
+endif()
 
 ## LuaNativeObjects
 include(LuaNativeObjects)
@@ -63,6 +79,7 @@ add_library(lua-zmq MODULE ${LUA_ZMQ_SRC})
 target_link_libraries(lua-zmq ${COMMON_LIBS})
 set_target_properties(lua-zmq PROPERTIES PREFIX "")
 set_target_properties(lua-zmq PROPERTIES COMPILE_FLAGS "${COMMON_CFLAGS}")
+set_target_properties(lua-zmq PROPERTIES LINK_FLAGS "${COMMON_LDFLAGS}")
 set_target_properties(lua-zmq PROPERTIES OUTPUT_NAME zmq)
 
 install(TARGETS lua-zmq