feat(cxx): support load third_party by xmake

- Remove unused test_main.cpp file for cmake build
- Update xmake.lua files to include gtest_main and fix Windows build
- Modify xmake.lua to use latest spdlog version and adjust include directories
- Remove unnecessary files and update build configurations

Author: pplmx

template/cxx/hooks/post_gen_project.py

@@ -13,8 +13,6 @@ def remove_path_if_exists(path):
 
 cxx_build_tool = "{{cookiecutter.cxx_build_tool}}"
 
-test_main = "tests/test_main.cpp"
-
 cmake_root = "CMakeLists.txt"
 cmake_test = "tests/CMakeLists.txt"
 cmake_custom = "cmake"
@@ -25,7 +23,6 @@ def remove_path_if_exists(path):
 if cxx_build_tool == "cmake":
     remove_path_if_exists(xmake_root)
     remove_path_if_exists(xmake_test)
-    remove_path_if_exists(test_main)
 elif cxx_build_tool == "xmake":
     remove_path_if_exists(cmake_root)
     remove_path_if_exists(cmake_test)

template/cxx/{{cookiecutter.project_slug}}/tests/test_main.cpp

@@ -1,5 +1,5 @@
 -- Add Google Test package
-add_requires("gtest")
+add_requires("gtest", {configs = {main = true, gmock = true}})
 
 -- Add test target
 target("{{cookiecutter.project_slug}}-tests")
@@ -8,3 +8,9 @@ target("{{cookiecutter.project_slug}}-tests")
     add_files("*.cpp")
     add_deps("{{cookiecutter.package_name}}_lib")
     add_packages("gtest")
+    add_links("gtest_main")
+
+    if is_plat("windows") then
+        -- fixes "LINK : fatal error LNK1561: entry point must be defined"
+        add_ldflags("/subsystem:console")
+    end

template/cxx/{{cookiecutter.project_slug}}/tests/xmake.lua

@@ -4,19 +4,19 @@ set_version("{{cookiecutter.project_version}}")
 set_languages("c++{{cookiecutter.cxx_standard_version}}")
 
 -- Dependencies
-add_requires("spdlog 1.15.0")       -- Add spdlog as a required dependency
+add_requires("spdlog")       -- Add spdlog as a required dependency
 
 -- Define Library Target
 target("{{cookiecutter.package_name}}_lib")
     set_kind("static")                               -- Build as a static library
     set_targetdir("build/lib")                       -- Specify output directory
-    add_includedirs("include")                       -- Include project's header files
-    add_includedirs("third_party")                   -- Include project's header files
+    add_includedirs("include", {public = true})      -- Include project's header files
+    add_includedirs("third_party", {public = true})  -- Include project's header files
     add_files("src/*.cpp")                           -- Add project source files
-    add_headerfiles("include/*.h")                   -- Add project's header files
-    add_headerfiles("include/*.hpp")                 -- Add project's header files
-    add_headerfiles("third_party/*.h")               -- Add project's header files
-    add_headerfiles("third_party/*.hpp")             -- Add project's header files
+    add_headerfiles("include/**/*.h")                -- Add project's header files
+    add_headerfiles("include/**/*.hpp")              -- Add project's header files
+    add_headerfiles("third_party/**/*.h")            -- Add project's header files
+    add_headerfiles("third_party/**/*.hpp")          -- Add project's header files
     add_packages("spdlog")                           -- Link spdlog headers and library
 
 -- Define Executable Target