Merge pull request #27 from walterschell/landing/pr-18-correct-lua-libraries

Landing/pr 18 correct lua libraries

.github/workflows/build-emscripten-cxx.yml

@@ -35,3 +35,18 @@ jobs:
         # Execute the build.  You can specify a specific target with "--target <NAME>"
         run: cmake --build . --config $BUILD_TYPE
 
+      - name: Install
+        working-directory: ${{github.workspace}}/build
+        shell: bash
+        run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
+      ## Test of installing as CXX doesn't really make sense
+      # - name: Configure Test of CMake Package
+      #   working-directory: ${{github.workspace}}
+      #   shell: bash
+      #   run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+      # - name: Build Test of CMake Package
+      #   working-directory: ${{github.workspace}}
+      #   shell: bash
+      #   run: cmake --build build-pkg-test

.github/workflows/build-emscripten.yml

@@ -35,3 +35,17 @@ jobs:
         # Execute the build.  You can specify a specific target with "--target <NAME>"
         run: cmake --build . --config $BUILD_TYPE
 
+      - name: Install
+        working-directory: ${{github.workspace}}/build
+        shell: bash
+        run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
+      # - name: Configure Test of CMake Package
+      #   working-directory: ${{github.workspace}}
+      #   shell: bash
+      #   run: emcmake cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+      # - name: Build Test of CMake Package
+      #   working-directory: ${{github.workspace}}
+      #   shell: bash
+      #   run: cmake --build build-pkg-test

.github/workflows/build-linux-cxx.yml

@@ -43,7 +43,24 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V
+
+    ## Test of installing as CXX doesn't really make sense
+
+    # - name: Configure Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    # - name: Build Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake --build build-pkg-test

.github/workflows/build-linux.yml

@@ -43,7 +43,22 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V
+
+    - name: Configure Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    - name: Build Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake --build build-pkg-test

.github/workflows/build-osx-cxx.yml

@@ -43,7 +43,23 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V
+
+    ## Test of installing as CXX doesn't really make sense
+    # - name: Configure Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    # - name: Build Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake --build build-pkg-test

.github/workflows/build-osx.yml

@@ -43,7 +43,23 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V
+
+    - name: Configure Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    - name: Build Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake --build build-pkg-test

.github/workflows/build-windows-cxx.yml

@@ -43,7 +43,23 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V -C $BUILD_TYPE
+
+    ## Test of installing as CXX doesn't really make sense
+    # - name: Configure Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    # - name: Build Test of CMake Package
+    #   working-directory: ${{github.workspace}}
+    #   shell: bash
+    #   run: cmake --build build-pkg-test

.github/workflows/build-windows.yml

@@ -43,7 +43,22 @@ jobs:
       # Execute the build.  You can specify a specific target with "--target <NAME>"
       run: cmake --build . --config $BUILD_TYPE
 
+    - name: Install
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --install . --prefix $GITHUB_WORKSPACE/sysroot
+
     - name: Test
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: ctest -V -C $BUILD_TYPE
+
+    - name: Configure Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake -S $GITHUB_WORKSPACE/lua-config-package-tests -B build-pkg-test -DCMAKE_PREFIX_PATH=$GITHUB_WORKSPACE/sysroot
+
+    - name: Build Test of CMake Package
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cmake --build build-pkg-test

lua-5.4.5/CMakeLists.txt

@@ -35,6 +35,8 @@ set(LUA_LIB_SRCS
 
 set(TARGETS_TO_INSTALL lua_internal lua_include)
 
+set(LUA_LINKED_LIBRARIES)
+
 if(LUA_BUILD_AS_CXX)
 	set_source_files_properties(${LUA_LIB_SRCS} "src/lua.c" "src/luac.c" PROPERTIES LANGUAGE CXX )
 endif()
@@ -87,14 +89,17 @@ if(UNIX)
         if(NOT LIBM)
             message(FATAL_ERROR "libm not found and is required by lua")
         endif()
+        target_compile_definitions(lua_internal INTERFACE "LUA_USE_POSIX")
         target_link_libraries(lua_internal INTERFACE m)
-
-        target_compile_definitions(lua_internal 
-            INTERFACE LUA_USE_POSIX
-        )
+        list(APPEND LUA_LINKED_LIBRARIES m)
         if(LUA_SUPPORT_DL)
+            find_library(LIBDL "${CMAKE_DL_LIBS}")
+            if(NOT LIBDL)
+                message(FATAL_ERROR "libdl not found and is required by lua")
+            endif()
             target_compile_definitions(lua_internal INTERFACE "LUA_USE_DLOPEN")
-            target_link_libraries(lua_internal INTERFACE dl)
+            target_link_libraries(lua_internal INTERFACE "${CMAKE_DL_LIBS}")
+            list(APPEND LUA_LINKED_LIBRARIES "${CMAKE_DL_LIBS}")
         endif()
     endif()
 
@@ -150,17 +155,17 @@ write_basic_package_version_file(
 
 install(EXPORT LuaTargets
         FILE LuaTargets.cmake
-        DESTINATION "lib/cmake"
+        DESTINATION "share/cmake/Lua"
         NAMESPACE Lua::
 )
 
 configure_package_config_file(
     LuaConfig.cmake.in
     "${CMAKE_CURRENT_BINARY_DIR}/LuaConfig.cmake"
-    INSTALL_DESTINATION "lib/cmake"
+    INSTALL_DESTINATION "share/cmake/Lua"
 )
 
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/LuaConfig.cmake"
               "${CMAKE_CURRENT_BINARY_DIR}/LuaConfigVersion.cmake"
-        DESTINATION "lib/cmake"
+        DESTINATION "share/cmake/Lua"
 )

lua-5.4.5/LuaConfig.cmake.in

@@ -4,6 +4,20 @@ include("${CMAKE_CURRENT_LIST_DIR}/LuaTargets.cmake")
 
 set_and_check(LUA_INCLUDE_DIR "${PACKAGE_PREFIX_DIR}/include")
 add_library(Lua::Library ALIAS "Lua::@LUA_EXPORT_LIBRARY@")
-set(LUA_LIBRARIES "Lua::Library")
+get_target_property(LUA_CONFIG "Lua::@LUA_EXPORT_LIBRARY@" IMPORTED_CONFIGURATIONS)
+get_target_property(LUA_LIBRARY "Lua::@LUA_EXPORT_LIBRARY@" "IMPORTED_LOCATION_${LUA_CONFIG}")
+set(LUA_LIBRARIES "${LUA_LIBRARY}")
+add_library(LUA_INCLUDE_LIB INTERFACE)
+target_include_directories(LUA_INCLUDE_LIB INTERFACE "${LUA_INCLUDE_DIR}")
+list(APPEND LUA_LIBRARIES LUA_INCLUDE_LIB)
+
+foreach(LIB_NAME @LUA_LINKED_LIBRARIES@)
+    find_library(LIB_LOCATION "${LIB_NAME}")
+    if(NOT LIB_LOCATION)
+        message(FATAL_ERROR "lib${LIB_NAME} not found and is required by lua")
+    else()
+        list(APPEND LUA_LIBRARIES "${LIB_LOCATION}")
+    endif()
+endforeach()
 
 check_required_components(Lua)

lua-config-package-tests/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.1)
+project(lua-config-package-test C)
+
+find_package(Lua REQUIRED CONFIG)
+
+add_executable(lua-config-package-build-test-using-static-target "./lua-config-package-build-test.c")
+target_link_libraries(lua-config-package-build-test-using-static-target Lua::lua_static)
+
+add_executable(lua-config-package-build-test-using-shared-target "./lua-config-package-build-test.c")
+target_link_libraries(lua-config-package-build-test-using-shared-target Lua::lua_shared)
+
+add_executable(lua-config-package-build-test-using-variables "./lua-config-package-build-test.c")
+target_link_libraries(lua-config-package-build-test-using-variables "${LUA_LIBRARIES}")
+
+add_library(lua-lib-module-compatible-mode UNKNOWN IMPORTED "${LUA_LIBRARY}")
+set_target_properties(lua-lib-module-compatible-mode PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${LUA_INCLUDE_DIR}"
+        IMPORTED_LOCATION "${LUA_LIBRARY}")
+target_link_libraries(lua-lib-module-compatible-mode INTERFACE "${LUA_LIBRARIES}")
+
+add_executable(lua-config-package-build-test-using-module-compatible-mode "./lua-config-package-build-test.c")
+target_link_libraries(lua-config-package-build-test-using-module-compatible-mode lua-lib-module-compatible-mode)

lua-config-package-tests/lua-config-package-build-test.c

@@ -0,0 +1,10 @@
+#include <lua.h>
+#include <lauxlib.h>
+#include <stdio.h>
+
+int main()
+{
+    lua_State *l = luaL_newstate();
+    double lversion = lua_version(l);
+    printf("Lua version is %f\n", lversion);
+}