catch2/CMake/MiscFunctions.cmake
Martin Hořeňovský 6e270958a2
Add development build option to CMake and enable it on CI
Development build enables warnings and and `Werror` or equivalent.
2020-02-26 16:07:26 +01:00

93 lines
3.4 KiB
CMake

#checks that the given hard-coded list contains all headers + sources in the given folder
function(CheckFileList LIST_VAR FOLDER)
set(MESSAGE " should be added to the variable ${LIST_VAR}")
set(MESSAGE "${MESSAGE} in ${CMAKE_CURRENT_LIST_FILE}\n")
file(GLOB GLOBBED_LIST "${FOLDER}/*.cpp"
"${FOLDER}/*.hpp"
"${FOLDER}/*.h")
list(REMOVE_ITEM GLOBBED_LIST ${${LIST_VAR}})
foreach(EXTRA_ITEM ${GLOBBED_LIST})
string(REPLACE "${CATCH_DIR}/" "" RELATIVE_FILE_NAME "${EXTRA_ITEM}")
message(AUTHOR_WARNING "The file \"${RELATIVE_FILE_NAME}\"${MESSAGE}")
endforeach()
endfunction()
function(CheckFileListRec LIST_VAR FOLDER)
set(MESSAGE " should be added to the variable ${LIST_VAR}")
set(MESSAGE "${MESSAGE} in ${CMAKE_CURRENT_LIST_FILE}\n")
file(GLOB_RECURSE GLOBBED_LIST "${FOLDER}/*.cpp"
"${FOLDER}/*.hpp"
"${FOLDER}/*.h")
list(REMOVE_ITEM GLOBBED_LIST ${${LIST_VAR}})
foreach(EXTRA_ITEM ${GLOBBED_LIST})
string(REPLACE "${CATCH_DIR}/" "" RELATIVE_FILE_NAME "${EXTRA_ITEM}")
message(AUTHOR_WARNING "The file \"${RELATIVE_FILE_NAME}\"${MESSAGE}")
endforeach()
endfunction()
include(CheckCXXCompilerFlag)
function(add_cxx_flag_if_supported_to_targets flagname targets)
check_cxx_compiler_flag("${flagname}" HAVE_FLAG_${flagname})
if (HAVE_FLAG_${flagname})
foreach(target ${targets})
target_compile_options(${target} PUBLIC ${flagname})
endforeach()
endif()
endfunction()
# Assumes that it is only called for development builds, where warnings
# and Werror is desired, so it also enables Werror.
function(add_warnings_to_targets targets)
LIST(LENGTH targets TARGETS_LEN)
# For now we just assume 2 possibilities: msvc and msvc-like compilers,
# and other.
if (MSVC)
foreach(target ${targets})
# Force MSVC to consider everything as encoded in utf-8
target_compile_options( ${target} PRIVATE /utf-8 )
# Enable Werror equivalent
if (CATCH_ENABLE_WERROR)
target_compile_options( ${target} PRIVATE /WX )
endif()
# MSVC is currently handled specially
if ( CMAKE_CXX_COMPILER_ID MATCHES "MSVC" )
STRING(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # override default warning level
target_compile_options( ${target} PRIVATE /w44265 /w44061 /w44062 /w45038 )
endif()
endforeach()
endif()
if (NOT MSVC)
set(CHECKED_WARNING_FLAGS
"-Wall"
"-Wextra"
"-Wpedantic"
"-Wweak-vtables"
"-Wunreachable-code"
"-Wmissing-declarations"
"-Wexit-time-destructors"
"-Wglobal-constructors"
"-Wmissing-noreturn"
"-Wparentheses"
"-Wextra-semi-stmt"
"-Wunreachable-code"
"-Wstrict-aliasing"
"-Wreturn-std-move"
"-Wmissing-braces"
)
foreach(warning ${CHECKED_WARNING_FLAGS})
add_cxx_flag_if_supported_to_targets(${warning} "${targets}")
endforeach()
if (CATCH_ENABLE_WERROR)
foreach(target ${targets})
# Enable Werror equivalent
target_compile_options( ${target} PRIVATE -Werror )
endforeach()
endif()
endif()
endfunction()