Tweak CMake

.env

@@ -1,2 +1,2 @@
-CXX="clang++-18"
-CC="clang-18"
+CXX="g++-14"
+CC="gcc-14"

.gitignore

@@ -4,3 +4,4 @@ build-*/*
 .cache/*
 legacy/*
 include/cecxx/benchmark/defaults.hpp
+data/*

CMakeLists.txt

@@ -10,7 +10,7 @@ project(cecxx
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 include(Package)
-include(config)
+include(ProjectConfig)
 
 include(GNUInstallDirs)
 include(CMakePackageConfigHelpers)
@@ -51,6 +51,8 @@ target_sources(cecxx PUBLIC FILE_SET HEADERS BASE_DIRS "${CMAKE_CURRENT_SOURCE_D
 target_compile_options(cecxx PRIVATE ${COMPILE_FLAGS})
 target_compile_features(cecxx PRIVATE cxx_std_20)
 
+message(STATUS "The cecxx library is going to be compiled with the following additional flags: ${COMPILE_FLAGS}")
+
 configure_file(defaults.hpp.in ${CMAKE_CURRENT_SOURCE_DIR}/include/cecxx/benchmark/defaults.hpp) 
 generate_export_header(cecxx)
 
@@ -74,5 +76,9 @@ if (WITH_BENCHMARKS)
 endif()
 
 if (WITH_TESTS)
-  add_subdirectory(test)
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    add_subdirectory(test)
+  else()
+    message(WARNING "To build tests, use clang compiler. Current CXX compiler: ${CMAKE_CXX_COMPILER}")
+  endif()
 endif(WITH_TESTS)

Justfile

@@ -17,7 +17,7 @@ ncores := `nproc`
 
 init_build: clean
   mkdir -p {{build_dir}}
-  cd {{build_dir}} && CC={{c_compiler}} CXX={{cxx_compiler}} cmake -DFUZZTEST_FUZZING_MODE=on -DWITH_TESTS=on -DWITH_EXAMPLES=on .. 
+  cd {{build_dir}} && CC={{c_compiler}} CXX={{cxx_compiler}} cmake -DWITH_TESTS=on -DWITH_EXAMPLES=on .. 
   ln -fs {{build_dir}}/compile_commands.json compile_commands.json
 
 build: 

cmake/config.cmake → cmake/ProjectConfig.cmake

@@ -5,10 +5,13 @@ option(WITH_BENCHMARKS "Build benchmarks" OFF)
 set(BENCHMARK_DATA_STORAGE "${CMAKE_INSTALL_PREFIX}/share/cecxx")
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
-  set(COMPILE_FLAGS -Wall -Wpedantic -Wextra -Wconversion -Wimplicit-fallthrough -Wundef)
+  set(COMPILE_FLAGS -Wall -Wpedantic -Wextra -Wconversion -Wimplicit-fallthrough -Wundef -Werror)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 14.0)
+    set(COMPILE_FLAGS ${COMPILE_FLAGS} -Wnrvo)
+  endif()
 endif()
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   set(COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion -Wundef
-      -Wdeprecated -Wshadow)
+    -Wdeprecated -Wshadow -Werror)
 endif()

test/CMakeLists.txt

@@ -1,3 +1,5 @@
+set(FUZZTEST_FUZZING_MODE ON)
+
 include(FetchContent)
 FetchContent_Declare(
   fuzztest