From 7d889277b4b0ea154f48a6dea9b261db2e163098 Mon Sep 17 00:00:00 2001
From: Vicent Marti <tanoku@gmail.com>
Date: Thu, 31 Mar 2016 02:58:49 +0200
Subject: [PATCH] cmake: Build bcc-lua conditionally

---
 src/lua/CMakeLists.txt | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/src/lua/CMakeLists.txt b/src/lua/CMakeLists.txt
index 599c954..9c31a25 100644
--- a/src/lua/CMakeLists.txt
+++ b/src/lua/CMakeLists.txt
@@ -1,22 +1,24 @@
 include(cmake/FindLuaJIT.cmake)
-find_program(LUAJIT luajit)
 
-FILE(GLOB_RECURSE SRC_LUA ${CMAKE_CURRENT_SOURCE_DIR}/bcc/*/*.lua)
+if (LUAJIT_LIBRARIES)
+	find_program(LUAJIT luajit)
+	FILE(GLOB_RECURSE SRC_LUA ${CMAKE_CURRENT_SOURCE_DIR}/bcc/*/*.lua)
 
-ADD_CUSTOM_COMMAND(
-	OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.lua
-	COMMAND ${LUAJIT} src/squish.lua
-	DEPENDS ${SRC_LUA} ${CMAKE_CURRENT_SOURCE_DIR}/squishy
-	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-)
+	ADD_CUSTOM_COMMAND(
+		OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.lua
+		COMMAND ${LUAJIT} src/squish.lua
+		DEPENDS ${SRC_LUA} ${CMAKE_CURRENT_SOURCE_DIR}/squishy
+		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+	)
 
-ADD_CUSTOM_COMMAND(
-	OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.o
-	COMMAND ${LUAJIT} -bg src/bcc.lua src/bcc.o
-	DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.lua
-	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-)
+	ADD_CUSTOM_COMMAND(
+		OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.o
+		COMMAND ${LUAJIT} -bg src/bcc.lua src/bcc.o
+		DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/bcc.lua
+		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+	)
 
-include_directories(${LUAJIT_INCLUDE_DIR})
-add_executable(bcc-lua src/main.c src/bcc.o)
-target_link_libraries(bcc-lua ${LUAJIT_LIBRARIES})
+	include_directories(${LUAJIT_INCLUDE_DIR})
+	add_executable(bcc-lua src/main.c src/bcc.o)
+	target_link_libraries(bcc-lua ${LUAJIT_LIBRARIES})
+endif()
-- 
2.7.4