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Diffstat (limited to 'cmake/CompilerWarnings.cmake')
| -rw-r--r-- | cmake/CompilerWarnings.cmake | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/cmake/CompilerWarnings.cmake b/cmake/CompilerWarnings.cmake new file mode 100644 index 0000000..662b142 --- /dev/null +++ b/cmake/CompilerWarnings.cmake @@ -0,0 +1,96 @@ +# cmake/CompilerWarnings.cmake +# Comprehensive compiler warnings for C++ + +function(set_project_warnings target_name) + set(MSVC_WARNINGS + /W4 # Baseline reasonable warnings + /w14242 # Conversion possible loss of data + /w14254 # Operator conversions + /w14263 # Member function does not override + /w14265 # Class has virtual functions but destructor is not virtual + /w14287 # Unsigned/negative constant mismatch + /we4289 # Loop variable used outside loop (error) + /w14296 # Expression is always true/false + /w14311 # Pointer truncation + /w14545 # Expression before comma evaluates to function + /w14546 # Function call before comma missing argument list + /w14547 # Operator before comma has no effect + /w14549 # Operator before comma has no effect + /w14555 # Expression has no effect + /w14619 # Unknown pragma warning + /w14640 # Thread-unsafe static member initialization + /w14826 # Conversion is sign-extended + /w14905 # Wide string literal cast + /w14906 # String literal cast + /w14928 # Illegal copy-initialization + /permissive- # Conformance mode + ) + + set(CLANG_WARNINGS + -Wall + -Wextra + -Wshadow + -Wnon-virtual-dtor + -Wold-style-cast + -Wcast-align + -Wunused + -Woverloaded-virtual + -Wpedantic + -Wconversion + -Wsign-conversion + -Wnull-dereference + -Wdouble-promotion + -Wformat=2 + -Wimplicit-fallthrough + ) + + set(GCC_WARNINGS + ${CLANG_WARNINGS} + -Wmisleading-indentation + -Wduplicated-cond + -Wduplicated-branches + -Wlogical-op + -Wuseless-cast + ) + + if(MSVC) + set(PROJECT_WARNINGS_CXX ${MSVC_WARNINGS}) + elseif(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang") + set(PROJECT_WARNINGS_CXX ${CLANG_WARNINGS}) + elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + set(PROJECT_WARNINGS_CXX ${GCC_WARNINGS}) + else() + message(WARNING "No compiler warnings set for CXX compiler: ${CMAKE_CXX_COMPILER_ID}") + endif() + + # C warnings (similar but adapted) + set(CLANG_C_WARNINGS + -Wall + -Wextra + -Wshadow + -Wcast-align + -Wunused + -Wpedantic + -Wconversion + -Wsign-conversion + -Wnull-dereference + -Wdouble-promotion + -Wformat=2 + -Wimplicit-fallthrough + ) + + set(GCC_C_WARNINGS ${CLANG_C_WARNINGS}) + + if(CMAKE_C_COMPILER_ID MATCHES ".*Clang") + set(PROJECT_WARNINGS_C ${CLANG_C_WARNINGS}) + elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU") + set(PROJECT_WARNINGS_C ${GCC_C_WARNINGS}) + endif() + + target_compile_options(${target_name} + PRIVATE + $<$<COMPILE_LANGUAGE:CXX>:${PROJECT_WARNINGS_CXX}> + $<$<COMPILE_LANGUAGE:C>:${PROJECT_WARNINGS_C}> + ) + +endfunction()
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