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CMakeLists.txt: Fixing compile flags for MSVC

Use set_compile_options() with cmake generator expression to define flags for
all configurations and compilers in a compact way.
This commit is contained in:
Henrik Hautakoski 2020-04-22 15:37:04 +02:00
parent 404c203488
commit a350dd5846

View file

@ -61,15 +61,22 @@ set( CMAKE_CXX_STANDARD_REQUIRED ON )
set( CMAKE_CXX_EXTENSIONS OFF ) set( CMAKE_CXX_EXTENSIONS OFF )
# c++ flags # c++ flags
set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g" ) add_compile_options(
set( CMAKE_CXX_FLAGS_RELEASE "-O3" ) "$<$<CXX_COMPILER_ID:GNU>:-Werror;-Wall;-Wconversion;-Wno-sign-conversion;-Wextra>"
set( CMAKE_CXX_FLAGS_MINSIZEREL "-Os" ) "$<$<CXX_COMPILER_ID:MSVC>:/W3;-D_CRT_SECURE_NO_WARNINGS=1>"
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") # Debug
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -Wconversion -Wno-sign-conversion -Wextra" ) "$<$<CONFIG:Debug>:$<$<CXX_COMPILER_ID:GNU>:-O0;-g>>"
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC") "$<$<CONFIG:Debug>:$<$<CXX_COMPILER_ID:MSVC>:/Od;/Zi>>"
add_definitions( "-D_CRT_SECURE_NO_WARNINGS=1" )
endif() # Release
"$<$<CONFIG:Release>:$<$<CXX_COMPILER_ID:GNU>:-O3>>"
"$<$<CONFIG:Release>:$<$<CXX_COMPILER_ID:MSVC>:/O2>>"
# MinSizeRel
"$<$<CONFIG:MinSizeRel>:$<$<CXX_COMPILER_ID:GNU>:-Os>>"
"$<$<CONFIG:MinSizeRel>:$<$<CXX_COMPILER_ID:MSVC>:/O1>>"
)
# Project config file # Project config file
configure_file(config.hpp.in "${PROJECT_BINARY_DIR}/config.hpp" @ONLY) configure_file(config.hpp.in "${PROJECT_BINARY_DIR}/config.hpp" @ONLY)