From 50c100526b4b8316a801dab3d556796a31db1ec8 Mon Sep 17 00:00:00 2001
From: Rocka <i@rocka.me>
Date: Fri, 11 Feb 2022 16:26:19 +0800
Subject: [PATCH] Add CMake package config files

---
 lua-5.4.4/CMakeLists.txt     | 47 +++++++++++++++++++++++++++++++++---
 lua-5.4.4/LuaConfig.cmake.in | 10 ++++++++
 2 files changed, 53 insertions(+), 4 deletions(-)
 create mode 100644 lua-5.4.4/LuaConfig.cmake.in

diff --git a/lua-5.4.4/CMakeLists.txt b/lua-5.4.4/CMakeLists.txt
index c9a2477..2170be0 100644
--- a/lua-5.4.4/CMakeLists.txt
+++ b/lua-5.4.4/CMakeLists.txt
@@ -38,8 +38,14 @@ if(LUA_BUILD_AS_CXX)
 endif()
 
 add_library(lua_static STATIC ${LUA_LIB_SRCS})
-set_target_properties(lua_static PROPERTIES OUTPUT_NAME "lua")
-target_include_directories(lua_static PUBLIC "include")
+set_target_properties(lua_static PROPERTIES
+    OUTPUT_NAME "lua"
+    VERSION "${PACKAGE_VERSION}"
+)
+target_include_directories(lua_static PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
 if(UNIX)
 	set(LUA_DEFINITIONS)
     
@@ -49,7 +55,7 @@ if(UNIX)
         if(NOT LIBM)
             message(FATAL_ERROR "libm not found and is required by lua")
         endif()
-        target_link_libraries(lua_static INTERFACE ${LIBM})
+        target_link_libraries(lua_static INTERFACE m)
 
         list(APPEND LUA_DEFINITIONS LUA_USE_POSIX)
         if(LUA_SUPPORT_DL)
@@ -81,10 +87,43 @@ if(LUA_BUILD_BINARY)
         target_link_libraries(lua PUBLIC readline)
     endif()
 endif()
+
 if(LUA_BUILD_COMPILER)
     add_executable(luac "src/luac.c")
     target_link_libraries(luac PUBLIC lua_static)
     set_target_properties(luac PROPERTIES 
         RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}
     )
-endif()
\ No newline at end of file
+endif()
+
+install(TARGETS lua_static
+        EXPORT LuaTargets
+        ARCHIVE DESTINATION lib
+        PUBLIC_HEADER DESTINATION include
+)
+
+install(DIRECTORY include/ TYPE INCLUDE)
+
+include(CMakePackageConfigHelpers)
+
+write_basic_package_version_file(
+    LuaConfigVersion.cmake
+    VERSION ${PACKAGE_VERSION}
+    COMPATIBILITY SameMajorVersion
+)
+
+install(EXPORT LuaTargets
+        FILE LuaTargets.cmake
+        DESTINATION "lib/cmake"
+)
+
+configure_package_config_file(
+    LuaConfig.cmake.in
+    "${CMAKE_CURRENT_BINARY_DIR}/LuaConfig.cmake"
+    INSTALL_DESTINATION "lib/cmake"
+)
+
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/LuaConfig.cmake"
+              "${CMAKE_CURRENT_BINARY_DIR}/LuaConfigVersion.cmake"
+        DESTINATION "lib/cmake"
+)
diff --git a/lua-5.4.4/LuaConfig.cmake.in b/lua-5.4.4/LuaConfig.cmake.in
new file mode 100644
index 0000000..d5f7ce5
--- /dev/null
+++ b/lua-5.4.4/LuaConfig.cmake.in
@@ -0,0 +1,10 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/LuaTargets.cmake")
+
+set_and_check(LUA_INCLUDE_DIR "${PACKAGE_PREFIX_DIR}/include")
+set_and_check(LUA_LIBRARY "${PACKAGE_PREFIX_DIR}/lib/liblua.a")
+set(LUA_LIBRARIES "${LUA_LIBRARY}")
+add_library(Lua::Library ALIAS lua_static)
+
+check_required_components(Lua)