changes acording review comments

update to current PackageProject version 1.5.0 too

CMakeLists.txt

@@ -27,12 +27,9 @@ include(cmake/CPM.cmake)
 CPMAddPackage(
   NAME PackageProject.cmake
   GITHUB_REPOSITORY TheLartians/PackageProject.cmake
-  VERSION 1.4.1
+  VERSION 1.5.0
 )
 
-# Note: If fmt is not imported, this is needed to prevent: CMake Error: install(EXPORT
-# "GreeterTargets" ...) includes target "Greeter" which requires target "fmt" that is not in any
-# export set.  see too https://gitlab.kitware.com/cmake/cmake/-/issues/15415
 CPMAddPackage(
   NAME fmt
   GIT_TAG 7.1.3
@@ -53,14 +50,12 @@ file(GLOB_RECURSE sources CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/
 # target: add_library(Greeter INTERFACE)
 add_library(Greeter ${headers} ${sources})
 
-# EITHER: set_target_properties(Greeter PROPERTIES CXX_STANDARD 17) # OR:
-target_compile_features(Greeter PUBLIC cxx_std_17)
+set_target_properties(Greeter PROPERTIES CXX_STANDARD 17)
 
 # being a cross-platform target, we enforce standards conformance on MSVC
 target_compile_options(Greeter PUBLIC "$<$<COMPILE_LANG_AND_ID:CXX,MSVC>:/permissive>")
 
-# Link dependencies EITHER: target_link_libraries(Greeter PRIVATE
-# $<BUILD_INTERFACE:fmt::fmt-header-only>) # OR:
+# Link dependencies
 target_link_libraries(Greeter PUBLIC fmt::fmt)
 
 target_include_directories(
@@ -84,6 +79,6 @@ packageProject(
   INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
   VERSION_HEADER "${VERSION_HEADER_LOCATION}"
   COMPATIBILITY ExactVersion
-  # TBD COMPATIBILITY SameMajorVersion
+  COMPATIBILITY SameMajorVersion
   DEPENDENCIES "fmt 7.1.3"
 )

standalone/source/main.cpp

@@ -8,8 +8,6 @@
 
 // NOLINTNEXTLINE(modernize-use-trailing-return-type)
 int main(int argc, char** argv) {
-  // prevent warning: initialization of 'languages' with static storage duration may throw an
-  // exception that cannot be caught [cert-err58-cpp]
   const std::unordered_map<std::string, greeter::LanguageCode> languages{
       {"en", greeter::LanguageCode::EN},
       {"de", greeter::LanguageCode::DE},
@@ -17,8 +15,6 @@ int main(int argc, char** argv) {
       {"fr", greeter::LanguageCode::FR},
   };
 
-  // prevent warning: do not use pointer arithmetic
-  // [cppcoreguidelines-pro-bounds-pointer-arithmetic]
   cxxopts::Options options(*argv, "A program to welcome the world!");
 
   std::string language;
@@ -40,7 +36,6 @@ int main(int argc, char** argv) {
     return 0;
   }
 
-  // prevent warning: do not use 'else' after 'return' [readability-else-after-return]
   if (result["version"].as<bool>()) {
     std::cout << "Greeter, version " << GREETER_VERSION << std::endl;
     return 0;

test/CMakeLists.txt

@@ -1,6 +1,10 @@
 cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
 
-project(GreeterTests LANGUAGES CXX)
+project(
+  GreeterTests
+  VERSION 1.0
+  LANGUAGES CXX
+)
 
 # ---- Options ----
 
@@ -22,7 +26,7 @@ CPMAddPackage(
 )
 
 if(TEST_INSTALLED_VERSION)
-  find_package(Greeter ${PROJECT_VERSION} REQUIRED)
+  find_package(Greeter ${PROJECT_VERSION} EXACT REQUIRED)
 else()
   CPMAddPackage(NAME Greeter SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
 endif()
@@ -40,7 +44,6 @@ CPMAddPackage(
 file(GLOB sources CONFIGURE_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp)
 add_executable(GreeterTests ${sources})
 target_link_libraries(GreeterTests doctest::doctest Greeter::Greeter)
-
 set_target_properties(GreeterTests PROPERTIES CXX_STANDARD 17)
 
 # enable compiler warnings
@@ -57,14 +60,7 @@ endif()
 
 enable_testing()
 
-# Note: doctest and similar testing frameworks can automatically configure CMake tests For other
-# testing frameworks add the tests target instead:
-if(DEFINED doctest_SOURCE_DIR)
-  include(${doctest_SOURCE_DIR}/scripts/cmake/doctest.cmake)
-  doctest_discover_tests(GreeterTests)
-else()
-  add_test(greeterTests GreeterTests)
-endif()
+add_test(NAME greeterTests COMMAND GreeterTests)
 
 # ---- code coverage ----
 

test/source/greeter.cpp

@@ -16,11 +16,6 @@ TEST_CASE("Greeter") {
 }
 
 TEST_CASE("Greeter version") {
-#if (__cpp_lib_starts_ends_with)
-  static_assert(std::string_view(GREETER_VERSION).starts_with("1.0"));  // TBD C++20 only
-  CHECK(std::string(GREETER_VERSION).starts_with("1.0"));               // SameMajorVersion
-#else
   static_assert(std::string_view(GREETER_VERSION) == std::string_view("1.0"));
   CHECK(std::string(GREETER_VERSION) == std::string("1.0"));
-#endif
 }