lua: allow overriding of LUA_CFLAGS

[project/uci.git] / lua / CMakeLists.txt

diff --git a/lua/CMakeLists.txt b/lua/CMakeLists.txt
index a532fc1..63c6a40 100644 (file)
--- a/lua/CMakeLists.txt
+++ b/lua/CMakeLists.txt
@@ -4,7 +4,18 @@ PROJECT(uci C)
 
 SET(CMAKE_INSTALL_PREFIX /)
 
 
 SET(CMAKE_INSTALL_PREFIX /)
 

-ADD_DEFINITIONS(-Os -Wall -Werror --std=gnu99 -g3 -I..)
+IF(NOT LUA_CFLAGS)
+       FIND_PROGRAM(PKG_CONFIG pkg-config)
+       IF(PKG_CONFIG)
+               EXECUTE_PROCESS(
+                       COMMAND pkg-config --silence-errors --cflags lua5.1
+                       OUTPUT_VARIABLE LUA_CFLAGS
+                       OUTPUT_STRIP_TRAILING_WHITESPACE
+               )
+       ENDIF()
+ENDIF()
+
+ADD_DEFINITIONS(-Os -Wall -Werror --std=gnu99 -g3 -I.. ${LUA_CFLAGS})

 LINK_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/..)
 
 IF(APPLE)
 LINK_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/..)
 
 IF(APPLE)