cmake: Find lua only if enabled

Signed-off-by: Jarosław Pelczar <[email protected]>

CMakeLists.txt

@@ -86,43 +86,46 @@ if(WIN32)
 endif()
 
 find_package(PkgConfig)
-find_package(Lua 5.4)
 
-if(NOT LUA_FOUND)
- if(EXISTS external/lua/onelua.c)
- set(lua_sources external/lua/onelua.c)
+if(ENABLE_LUA)
+ find_package(Lua 5.4)
+
+ if(NOT LUA_FOUND)
+ if(EXISTS external/lua/onelua.c)
+ set(lua_sources external/lua/onelua.c)
+ else()
+ cpmaddpackage(
+ NAME
+ lua
+ GIT_REPOSITORY
+ https://github.com/lua/lua.git
+ VERSION
+ 5.4
+ DOWNLOAD_ONLY
+ YES)
+
+ file(GLOB lua_sources ${lua_SOURCE_DIR}/onelua.c)
+ endif()
+
+ add_library(lua_import STATIC ${lua_sources})
+ target_include_directories(lua_import SYSTEM
+ PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>)
+ target_compile_definitions(lua_import PRIVATE MAKE_LIB=1)
+ set(LUA_FOUND ON)
  else()
- cpmaddpackage(
- NAME
- lua
- GIT_REPOSITORY
- https://github.com/lua/lua.git
- VERSION
- 5.4
- DOWNLOAD_ONLY
- YES)
-
- file(GLOB lua_sources ${lua_SOURCE_DIR}/onelua.c)
+ add_library(lua_import INTERFACE)
+ target_link_libraries(lua_import INTERFACE ${LUA_LIBRARIES})
+ target_include_directories(lua_import INTERFACE ${LUA_INCLUDE_DIR})
  endif()
 
- add_library(lua_import STATIC ${lua_sources})
- target_include_directories(lua_import SYSTEM
- PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>)
- target_compile_definitions(lua_import PRIVATE MAKE_LIB=1)
- set(LUA_FOUND ON)
-else()
- add_library(lua_import INTERFACE)
- target_link_libraries(lua_import INTERFACE ${LUA_LIBRARIES})
- target_include_directories(lua_import INTERFACE ${LUA_INCLUDE_DIR})
-endif()
-
-if(LUA_FOUND)
- if(EXISTS external/sol2/CMakeLists.txt)
- cpmaddpackage(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/external/sol2 VERSION
- 3.3.1 OPTIONS "SOL2_BUILD_LUA=OFF")
- else()
- cpmaddpackage(GITHUB_REPOSITORY ThePhD/sol2 VERSION 3.3.1 OPTIONS
- "SOL2_BUILD_LUA=OFF")
+ if(LUA_FOUND)
+ if(EXISTS external/sol2/CMakeLists.txt)
+ cpmaddpackage(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/external/sol2
+ VERSION 3.3.1 OPTIONS "SOL2_BUILD_LUA=OFF")
+ else()
+ cpmaddpackage(GITHUB_REPOSITORY ThePhD/sol2 VERSION 3.3.1 OPTIONS
+ "SOL2_BUILD_LUA=OFF")
+ endif()
  endif()
 endif()