mirror of
https://github.com/Kitware/CMake.git
synced 2026-01-10 07:40:03 -06:00
7907c83175
Add a way to specify, in a portable way, to raise an error for any warning during the link step. For that purpose, define: * CMAKE_LINK_WARNING_AS_ERROR variable * LINK_WARNING_AS_ERROR target property Fixes: #25343
55 lines
2.1 KiB
CMake
55 lines
2.1 KiB
CMake
|
|
if(NOT CMAKE_C_LINK_OPTIONS_WARNING_AS_ERROR)
|
|
set(linker_WarnError "UNDEFINED")
|
|
else()
|
|
set(cfg_dir)
|
|
get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
|
|
if(_isMultiConfig)
|
|
set(cfg_dir /Debug)
|
|
endif()
|
|
set(DUMP_EXE "${CMAKE_CURRENT_BINARY_DIR}${cfg_dir}/dump${CMAKE_EXECUTABLE_SUFFIX}")
|
|
|
|
add_executable(dump dump.c)
|
|
set_property(TARGET dump PROPERTY LINK_WARNING_AS_ERROR OFF)
|
|
|
|
# ensure no temp file nor response file will be used
|
|
set(CMAKE_C_USE_RESPONSE_FILE_FOR_LIBRARIES 0)
|
|
string(REPLACE "${CMAKE_START_TEMP_FILE}" "" CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE}")
|
|
string(REPLACE "${CMAKE_END_TEMP_FILE}" "" CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE}")
|
|
|
|
add_executable(main main.c)
|
|
if (NOT DEFINED CMAKE_LINK_WARNING_AS_ERROR)
|
|
set_property(TARGET main PROPERTY LINK_WARNING_AS_ERROR ${link_warning_as_error})
|
|
endif()
|
|
# use LAUNCH facility to dump linker command
|
|
set_property(TARGET main PROPERTY RULE_LAUNCH_LINK "\"${DUMP_EXE}\"")
|
|
|
|
add_dependencies(main dump)
|
|
|
|
|
|
# generate reference for WARNING_AS_ERROR flag
|
|
string(REPLACE "LINKER:" "" linker_WarnError "${CMAKE_C_LINK_OPTIONS_WARNING_AS_ERROR}")
|
|
if (CMAKE_C_LINKER_WRAPPER_FLAG)
|
|
set(linker_flag ${CMAKE_C_LINKER_WRAPPER_FLAG})
|
|
list(GET linker_flag -1 linker_space)
|
|
if (linker_space STREQUAL " ")
|
|
list(REMOVE_AT linker_flag -1)
|
|
else()
|
|
set(linker_space)
|
|
endif()
|
|
list(JOIN linker_flag " " linker_flag)
|
|
if (CMAKE_C_LINKER_WRAPPER_FLAG_SEP)
|
|
string(REPLACE "," "${CMAKE_C_LINKER_WRAPPER_FLAG_SEP}" linker_WarnError "${linker_WarnError}")
|
|
set(linker_WarnError "${linker_flag}${linker_space}${linker_WarnError}")
|
|
else()
|
|
set(linker_prefix "${linker_flag}${linker_space}")
|
|
string(REPLACE "," ";" linker_WarnError "${linker_WarnError}")
|
|
list(TRANSFORM linker_WarnError PREPEND "${linker_prefix}")
|
|
list(JOIN linker_WarnError " " linker_WarnError)
|
|
endif()
|
|
else()
|
|
string(REPLACE "," " " linker_WarnError "${linker_WarnError}")
|
|
endif()
|
|
endif()
|
|
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/WARNING_AS_ERROR.txt" "${linker_WarnError}")
|