|
|
|
|
# Sets cache variable QBT_ADDITONAL_FLAGS and QBT_ADDITONAL_CXX_FLAGS to list of additional
|
|
|
|
|
# compiler flags for C and C++ (QBT_ADDITONAL_FLAGS) and for C++ only (QBT_ADDITONAL_CXX_FLAGS)
|
|
|
|
|
# and appends them to CMAKE_XXX_FLAGS variables.
|
|
|
|
|
|
|
|
|
|
# It could use add_compile_options(), but then it is needed to use generator expressions,
|
|
|
|
|
# and most interesting of them are not compatible with Visual Studio :(
|
|
|
|
|
|
|
|
|
|
macro(qbt_set_compiler_options)
|
|
|
|
|
# if (NOT QBT_ADDITONAL_FLAGS)
|
|
|
|
|
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
|
|
|
|
|
#-Wshadow -Wconversion ?
|
|
|
|
|
set(_GCC_COMMON_C_AND_CXX_FLAGS "-Wall -Wextra"
|
|
|
|
|
"-Wfloat-equal -Wcast-qual -Wcast-align"
|
|
|
|
|
"-Wsign-conversion -Winvalid-pch -Werror=return-type -Wno-long-long"
|
|
|
|
|
# -fstack-protector-all
|
|
|
|
|
"-Werror -Wno-error=deprecated-declarations"
|
|
|
|
|
)
|
|
|
|
|
set (_GCC_COMMON_CXX_FLAGS "-fexceptions -frtti"
|
|
|
|
|
"-Woverloaded-virtual -Wold-style-cast -Wstrict-null-sentinel"
|
|
|
|
|
"-Wnon-virtual-dtor -Wfloat-equal -Wcast-qual -Wcast-align"
|
|
|
|
|
"-Werror=overloaded-virtual"
|
|
|
|
|
# "-Weffc++"
|
|
|
|
|
"-Werror -Wno-error=cpp"
|
|
|
|
|
# we should modify code to make these ones obsolete
|
|
|
|
|
"-Wno-error=sign-conversion -Wno-error=float-equal"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
|
|
|
|
|
# GCC 4.8 has problems with std::array and its initialization
|
|
|
|
|
list(APPEND _GCC_COMMON_CXX_FLAGS "-Wno-error=missing-field-initializers")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
include(CheckCXXCompilerFlag)
|
|
|
|
|
# check for -pedantic
|
|
|
|
|
check_cxx_compiler_flag(-pedantic _PEDANTIC_IS_SUPPORTED)
|
|
|
|
|
if (_PEDANTIC_IS_SUPPORTED)
|
|
|
|
|
list(APPEND _GCC_COMMON_CXX_FLAGS "-pedantic -pedantic-errors")
|
|
|
|
|
else (_PEDANTIC_IS_SUPPORTED)
|
|
|
|
|
list(APPEND _GCC_COMMON_CXX_FLAGS "-Wpedantic")
|
|
|
|
|
endif (_PEDANTIC_IS_SUPPORTED)
|
|
|
|
|
|
|
|
|
|
if (CMAKE_SYSTEM_NAME MATCHES Linux)
|
|
|
|
|
# if Glibc version is 2.20 or higher, set -D_DEFAULT_SOURCE
|
|
|
|
|
include(MacroGlibcDetect)
|
|
|
|
|
message(STATUS "Detecting Glibc version...")
|
|
|
|
|
glibc_detect(GLIBC_VERSION)
|
|
|
|
|
if(${GLIBC_VERSION})
|
|
|
|
|
if(GLIBC_VERSION LESS "220")
|
|
|
|
|
message(STATUS "Glibc version is ${GLIBC_VERSION}")
|
|
|
|
|
else(GLIBC_VERSION LESS "220")
|
|
|
|
|
message(STATUS "Glibc version is ${GLIBC_VERSION}, adding -D_DEFAULT_SOURCE")
|
|
|
|
|
add_definitions(-D_DEFAULT_SOURCE)
|
|
|
|
|
endif(GLIBC_VERSION LESS "220")
|
|
|
|
|
endif(${GLIBC_VERSION})
|
|
|
|
|
endif (CMAKE_SYSTEM_NAME MATCHES Linux)
|
|
|
|
|
|
|
|
|
|
string(REPLACE ";" " " _GCC_COMMON_C_AND_CXX_FLAGS_STRING "${_GCC_COMMON_C_AND_CXX_FLAGS}")
|
|
|
|
|
string(REPLACE ";" " " _GCC_COMMON_CXX_FLAGS_STRING "${_GCC_COMMON_CXX_FLAGS}")
|
|
|
|
|
|
|
|
|
|
string(APPEND CMAKE_C_FLAGS " ${_GCC_COMMON_C_AND_CXX_FLAGS_STRING}")
|
|
|
|
|
string(APPEND CMAKE_CXX_FLAGS " ${_GCC_COMMON_C_AND_CXX_FLAGS_STRING} ${_GCC_COMMON_CXX_FLAGS_STRING}")
|
|
|
|
|
|
|
|
|
|
set(QBT_ADDITONAL_FLAGS "${_GCC_COMMON_C_AND_CXX_FLAGS_STRING}" CACHE STRING
|
|
|
|
|
"Additional qBittorent compile flags" FORCE)
|
|
|
|
|
set(QBT_ADDITONAL_CXX_FLAGS "${_GCC_COMMON_CXX_FLAGS_STRING}" CACHE STRING
|
|
|
|
|
"Additional qBittorent C++ compile flags" FORCE)
|
|
|
|
|
|
|
|
|
|
# check whether we can enable -Og optimization for debug build
|
|
|
|
|
# also let's enable -march=native for debug builds
|
|
|
|
|
check_cxx_compiler_flag(-Og _DEBUG_OPTIMIZATION_LEVEL_IS_SUPPORTED)
|
|
|
|
|
|
|
|
|
|
if (_DEBUG_OPTIMIZATION_LEVEL_IS_SUPPORTED)
|
|
|
|
|
string(APPEND CMAKE_C_FLAGS_DEBUG " -Og -g3 -march=native -pipe" )
|
|
|
|
|
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -Og -g3 -march=native -pipe" )
|
|
|
|
|
else(_DEBUG_OPTIMIZATION_LEVEL_IS_SUPPORTED)
|
|
|
|
|
string(APPEND CMAKE_C_FLAGS_DEBUG " -O0 -g3 -march=native -pipe" )
|
|
|
|
|
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -O0 -g3 -march=native -pipe" )
|
|
|
|
|
endif (_DEBUG_OPTIMIZATION_LEVEL_IS_SUPPORTED)
|
|
|
|
|
endif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
|
|
|
|
|
|
|
|
|
|
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
|
|
|
|
|
set(QBT_ADDITONAL_FLAGS "-wd4290 -wd4275 -wd4251 /W4" CACHE STRING "Additional qBittorent compile flags")
|
|
|
|
|
string(APPEND CMAKE_C_FLAGS " ${QBT_ADDITONAL_FLAGS}")
|
|
|
|
|
string(APPEND CMAKE_CXX_FLAGS " ${QBT_ADDITONAL_FLAGS}")
|
|
|
|
|
endif ()
|
|
|
|
|
|
|
|
|
|
# endif (NOT QBT_ADDITONAL_FLAGS)
|
|
|
|
|
endmacro(qbt_set_compiler_options)
|
|
|
|
|
|
