Reduce compiler flag warnings depending on language

Adds ability to list what languages a compiler flag should be used for;
defaults to "C CXX".

Bumps required cmake to 3.3 for IN_LIST (July 2015)
This commit is contained in:
Aaron D. Marasco 2020-06-09 11:45:13 -04:00 committed by Jonathan White
parent e5b0219e3f
commit 639a7f91a4

View File

@ -14,7 +14,7 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
cmake_minimum_required(VERSION 3.1.0)
cmake_minimum_required(VERSION 3.3.0)
project(KeePassXC)
@ -225,10 +225,22 @@ macro(check_add_gcc_compiler_cflag FLAG FLAGNAME)
endif()
endmacro(check_add_gcc_compiler_cflag)
# This is the "front-end" for the above macros
# Optionally takes additional parameter(s) with language to check (currently "C" or "CXX")
macro(check_add_gcc_compiler_flag FLAG)
string(REGEX REPLACE "[-=]" "_" FLAGNAME "${FLAG}")
check_add_gcc_compiler_cxxflag("${FLAG}" "${FLAGNAME}")
check_add_gcc_compiler_cflag("${FLAG}" "${FLAGNAME}")
set(check_lang_spec ${ARGN})
list(LENGTH check_lang_spec num_extra_args)
set(langs C CXX)
if(num_extra_args GREATER 0)
set(langs "${check_lang_spec}")
endif()
if("C" IN_LIST langs)
check_add_gcc_compiler_cflag("${FLAG}" "${FLAGNAME}")
endif()
if("CXX" IN_LIST langs)
check_add_gcc_compiler_cxxflag("${FLAG}" "${FLAGNAME}")
endif()
endmacro(check_add_gcc_compiler_flag)
add_definitions(-DQT_NO_EXCEPTIONS -DQT_STRICT_ITERATORS -DQT_NO_CAST_TO_ASCII)
@ -281,7 +293,7 @@ if(CMAKE_BUILD_TYPE_LOWER MATCHES "(release|relwithdebinfo|minsizerel)")
endif()
check_add_gcc_compiler_flag("-Werror=format-security")
check_add_gcc_compiler_flag("-Werror=implicit-function-declaration")
check_add_gcc_compiler_flag("-Werror=implicit-function-declaration" C)
check_add_gcc_compiler_flag("-Wcast-align")
if(WITH_COVERAGE AND CMAKE_COMPILER_IS_CLANGXX)
@ -305,7 +317,7 @@ endif()
add_gcc_compiler_cflags("-std=c99")
add_gcc_compiler_cxxflags("-std=c++11")
check_add_gcc_compiler_flag("-fsized-deallocation")
check_add_gcc_compiler_flag("-fsized-deallocation" CXX)
if(APPLE AND CMAKE_COMPILER_IS_CLANGXX)
add_gcc_compiler_cxxflags("-stdlib=libc++")