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#
# Copyright (c) 2015-2016, Luca Fulchir<luca@fulchir.it>, All rights reserved.
#
# This file is part of "libRaptorQ".
#
# libRaptorQ is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 3
# of the License, or (at your option) any later version.
#
# libRaptorQ is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# and a copy of the GNU Lesser General Public License
# along with libRaptorQ. If not, see <http://www.gnu.org/licenses/>.
#gnu options
set(RQ_GNU_C_OPTIONS ${RQ_DETERMINISTIC} -std=c11 -Wno-unknown-pragmas -Wall -pedantic -Wno-padded -fstack-protector-all -fstrict-aliasing -fwrapv )
set(RQ_GNU_CXX_OPTIONS ${RQ_DETERMINISTIC} -std=c++11 -fno-rtti -fno-exceptions -Wno-unknown-pragmas -Wall -pedantic -Wno-padded -fstack-protector-all -fstrict-aliasing -fwrapv )
set(RQ_GNU_C_DEBUG -O0 -g -Wno-aggressive-loop-optimizations -ftrapv -fsanitize=undefined -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=vla-bound -fsanitize=null -fsanitize=return -fsanitize=signed-integer-overflow -fisolate-erroneous-paths-dereference -fisolate-erroneous-paths-attribute )
set(RQ_GNU_CXX_DEBUG -O0 -g -Wno-aggressive-loop-optimizations -ftrapv -fsanitize=undefined -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=vla-bound -fsanitize=null -fsanitize=return -fsanitize=signed-integer-overflow -fisolate-erroneous-paths-dereference -fisolate-erroneous-paths-attribute )
set(RQ_GNU_C_MINSIZEREL -Os )
set(RQ_GNU_CXX_MINSIZEREL -Os )
set(RQ_GNU_C_RELEASE -O4 -DNDEBUG -fwrapv )
set(RQ_GNU_CXX_RELEASE -O4 -fvisibility=hidden -fvisibility-inlines-hidden -DNDEBUG -fwrapv )
set(RQ_GNU_C_RELWITHDEBINFO ${RQ_GNU_C_RELEASE} -g )
set(RQ_GNU_CXX_RELWITHDEBINFO ${RQ_GNU_CXX_RELEASE} -g )
# clang options
set(RQ_CLANG_C_OPTIONS ${RQ_STDLIB_FLAG} ${RQ_DETERMINISTIC} -std=c11 -Wall -pedantic -Weverything -Wno-padded -fstack-protector-all -fstrict-aliasing -Wformat -Wformat-security )
set(RQ_CLANG_CXX_OPTIONS ${RQ_STDLIB_FLAG} ${RQ_DETERMINISTIC} -std=c++11 -fno-rtti -fno-exceptions -Wall -pedantic -Weverything -Wno-c++98-compat-pedantic -Wno-c++98-compat -Wno-padded -fstack-protector-all -fstrict-aliasing -Wformat -Wformat-security )
set(RQ_CLANG_C_DEBUG -O0 -g )
set(RQ_CLANG_CXX_DEBUG -O0 -g )
set(RQ_CLANG_C_MINSIZEREL -Os )
set(RQ_CLANG_CXX_MINSIZEREL -Os )
set(RQ_CLANG_C_RELEASE -Ofast -DNDEBUG -fwrapv )
set(RQ_CLANG_CXX_RELEASE -Ofast -fvisibility=hidden -fvisibility-inlines-hidden -DNDEBUG -fwrapv )
set(RQ_CLANG_C_RELWITHDEBINFO ${RQ_CLANG_C_RELEASE} -g )
set(RQ_CLANG_CXX_RELWITHDEBINFO ${RQ_CLANG_CXX_RELEASE} -g )
# msvc flags. todo?
set(MSVC_C_OPTIONS )
set(MSVC_CXX_OPTIONS )
# combine the above
# note: generator expansions do not work on "set(..)"
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(RQ_LIST_CXX_COMPILER_FLAGS ${RQ_CLANG_CXX_OPTIONS})
if(CMAKE_BUILD_TYPE MATCHES "Debug")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_CLANG_CXX_DEBUG})
elseif(CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_CLANG_CXX_MINSIZEREL})
elseif(CMAKE_BUILD_TYPE MATCHES "Release")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_CLANG_CXX_RELEASE})
elseif(CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_CLANG_CXX_RELWITHDEBINFO})
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(RQ_LIST_CXX_COMPILER_FLAGS ${RQ_GNU_CXX_OPTIONS})
if(CMAKE_BUILD_TYPE MATCHES "Debug")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_GNU_CXX_DEBUG})
elseif(CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_GNU_CXX_MINSIZEREL})
elseif(CMAKE_BUILD_TYPE MATCHES "Release")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_GNU_CXX_RELEASE})
elseif(CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
set(LIST_CXX_COMPILER_FLAGS ${RQ_LIST_CXX_COMPILER_FLAGS} ${RQ_GNU_CXX_RELWITHDEBINFO})
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
set(RQ_LIST_CXX_COMPILER_FLAGS ${RQ_MSVC_CXX_OPTIONS})
endif()
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_CLANG_CXX_OPTIONS})
if(CMAKE_BUILD_TYPE MATCHES "Debug")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_CLANG_C_DEBUG})
elseif(CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_CLANG_C_MINSIZEREL})
elseif(CMAKE_BUILD_TYPE MATCHES "Release")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_CLANG_C_RELEASE})
elseif(CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_CLANG_C_RELWITHDEBINFO})
endif()
elseif(CMAKE_C_COMPILER_ID MATCHES "GNU")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_GNU_C_OPTIONS})
if(CMAKE_BUILD_TYPE MATCHES "Debug")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_GNU_C_DEBUG})
elseif(CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_GNU_C_MINSIZEREL})
elseif(CMAKE_BUILD_TYPE MATCHES "Release")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_GNU_C_RELEASE})
elseif(CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_LIST_C_COMPILER_FLAGS} ${RQ_GNU_C_RELWITHDEBINFO})
endif()
elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
set(RQ_LIST_C_COMPILER_FLAGS ${RQ_MSVC_C_OPTIONS})
endif()
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
set(RQ_C_COMPILER_FLAGS "")
set(RQ_CXX_COMPILER_FLAGS "")
# check each C flag
foreach(flag ${LIST_C_COMPILER_FLAGS})
check_c_compiler_flag(${flag} RQ_FLAG_C_${flag})
if(RQ_FLAG_C_${flag})
set(C_COMPILER_FLAGS ${C_COMPILER_FLAGS} ${flag})
else()
message(WARNING "flag \"${flag}\" can't be used in your C compiler")
endif()
endforeach()
# check each c++ flag
foreach(flag ${LIST_CXX_COMPILER_FLAGS})
check_cxx_compiler_flag(${flag} RQ_FLAG_CXX_${flag})
if(RQ_FLAG_CXX_${flag})
set(CXX_COMPILER_FLAGS ${CXX_COMPILER_FLAGS} ${flag})
else()
message(WARNING "flag \"${flag}\" can't be used in your CXX compiler")
endif()
endforeach()