clean-up cmake:

* formating
* remove set(CMAKE_VERBOSE_MAKEFILE
* use function to simplify test

CMakeLists.txt

@@ -8,12 +8,12 @@ option(NAMEOF_OPT_BUILD_EXAMPLES "Build nameof examples" OFF)
 option(NAMEOF_OPT_BUILD_TESTS "Build and perform nameof tests" OFF)
 
 if(NAMEOF_OPT_BUILD_EXAMPLES)
-    add_subdirectory(example)
+  add_subdirectory(example)
 endif()
 
 if(NAMEOF_OPT_BUILD_TESTS)
-    enable_testing()
-    add_subdirectory(test)
+  enable_testing()
+  add_subdirectory(test)
 endif()
 
 include(CMakePackageConfigHelpers)
@@ -22,23 +22,23 @@ add_library(${PROJECT_NAME} INTERFACE)
 add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
 target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_17)
 target_include_directories(${PROJECT_NAME}
-        INTERFACE
-            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-            $<INSTALL_INTERFACE:include>)
+  INTERFACE
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>)
 
 write_basic_package_version_file(${PROJECT_NAME}ConfigVersion.cmake
-        VERSION ${PROJECT_VERSION}
-        COMPATIBILITY AnyNewerVersion)
+  VERSION ${PROJECT_VERSION}
+  COMPATIBILITY AnyNewerVersion)
 
 install(TARGETS ${PROJECT_NAME}
-        EXPORT ${PROJECT_NAME}Config)
+  EXPORT ${PROJECT_NAME}Config)
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
-        DESTINATION lib/cmake/${PROJECT_NAME})
+  DESTINATION lib/cmake/${PROJECT_NAME})
 
 install(EXPORT ${PROJECT_NAME}Config
-        NAMESPACE ${PROJECT_NAME}::
-        DESTINATION lib/cmake/${PROJECT_NAME})
+  NAMESPACE ${PROJECT_NAME}::
+  DESTINATION lib/cmake/${PROJECT_NAME})
 
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include
-        DESTINATION .)
+  DESTINATION .)

example/CMakeLists.txt

@@ -1,6 +1,4 @@
-# set(CMAKE_VERBOSE_MAKEFILE ON)
-
-add_executable(example example.cpp)
+add_executable(example example.cpp)
 target_link_libraries(example PRIVATE nameof::nameof)
 set_target_properties(example PROPERTIES CXX_EXTENSIONS OFF)
 

test/CMakeLists.txt

@@ -3,34 +3,25 @@
 include(CheckCXXCompilerFlag)
 check_cxx_compiler_flag(-std=c++20 HAS_GNU_CPP20_FLAG)
 check_cxx_compiler_flag(/std:c++20 HAS_MSVC_CPP20_FLAG)
-
 set(HAS_CPP20 (HAS_GNU_CPP20_FLAG OR HAS_MSVC_CPP20_FLAG))
 
+function(make_test target std)
+  add_executable(${target} test.cpp)
+  target_link_libraries(${target} PRIVATE Catch2::Catch2 nameof::nameof)
+  set_target_properties(${target} PROPERTIES CXX_EXTENSIONS OFF)
+  target_compile_features(${target} PRIVATE ${std})
 
-add_executable(test-17 test.cpp)
-target_link_libraries(test-17 PRIVATE Catch2::Catch2 nameof::nameof)
-set_target_properties(test-17 PROPERTIES CXX_EXTENSIONS OFF)
-target_compile_features(test-17 PRIVATE cxx_std_17)
-
-target_compile_options(test-17
-  PRIVATE
-    $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
-      -Wall -Wextra -pedantic-errors -Werror>
-    $<$<CXX_COMPILER_ID:MSVC>:
-      /W4 /WX>
-)
-
-if(HAS_CPP20 AND (cxx_std_20 IN_LIST CMAKE_CXX_COMPILE_FEATURES))
-  add_executable(test-20 test.cpp)
-  target_link_libraries(test-20 PRIVATE Catch2::Catch2 nameof::nameof)
-  set_target_properties(test-20 PROPERTIES CXX_EXTENSIONS OFF)
-  target_compile_features(test-20 PRIVATE cxx_std_20)
-
-  target_compile_options(test-20
+  target_compile_options(${target}
     PRIVATE
       $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
         -Wall -Wextra -pedantic-errors -Werror>
       $<$<CXX_COMPILER_ID:MSVC>:
         /W4 /WX>
   )
+endfunction()
+
+make_test(nameof-cpp17.t cxx_std_17)
+
+if(HAS_CPP20 AND (cxx_std_20 IN_LIST CMAKE_CXX_COMPILE_FEATURES))
+  make_test(nameof-cpp20.t cxx_std_20)
 endif()