forked from ibphoenix/tomsfastmath
101 lines
4.3 KiB
CMake
101 lines
4.3 KiB
CMake
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# MIT License
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#
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# Copyright (c) 2017 Lectem
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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function(target_set_warnings)
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if(NOT ENABLE_WARNINGS_SETTINGS)
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return()
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endif()
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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set(WMSVC TRUE)
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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set(WGCC TRUE)
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elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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set(WCLANG TRUE)
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endif()
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set(multiValueArgs ENABLE DISABLE AS_ERROR)
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cmake_parse_arguments(this "" "" "${multiValueArgs}" ${ARGN})
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list(FIND this_ENABLE "ALL" enable_all)
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list(FIND this_DISABLE "ALL" disable_all)
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list(FIND this_AS_ERROR "ALL" as_error_all)
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if(NOT ${enable_all} EQUAL -1)
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if(WMSVC)
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# Not all the warnings, but WAll is unusable when using libraries
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# Unless you'd like to support MSVC in the code with pragmas, this is probably the best option
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list(APPEND WarningFlags "/W4")
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elseif(WGCC)
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list(APPEND WarningFlags "-Wall" "-Wextra" "-Wpedantic")
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elseif(WCLANG)
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list(APPEND WarningFlags "-Wall" "-Weverything" "-Wpedantic")
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endif()
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elseif(NOT ${disable_all} EQUAL -1)
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set(SystemIncludes TRUE) # Treat includes as if coming from system
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if(WMSVC)
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list(APPEND WarningFlags "/w" "/W0")
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elseif(WGCC OR WCLANG)
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list(APPEND WarningFlags "-w")
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endif()
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endif()
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list(FIND this_DISABLE "Annoying" disable_annoying)
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if(NOT ${disable_annoying} EQUAL -1)
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if(WMSVC)
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# bounds-checked functions require to set __STDC_WANT_LIB_EXT1__ which we usually don't need/want
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list(APPEND WarningDefinitions -D_CRT_SECURE_NO_WARNINGS)
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# disable C4514 C4710 C4711... Those are useless to add most of the time
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#list(APPEND WarningFlags "/wd4514" "/wd4710" "/wd4711")
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#list(APPEND WarningFlags "/wd4365") #signed/unsigned mismatch
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#list(APPEND WarningFlags "/wd4668") # is not defined as a preprocessor macro, replacing with '0' for
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elseif(WGCC OR WCLANG)
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list(APPEND WarningFlags -Wno-switch-enum)
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if(WCLANG)
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list(APPEND WarningFlags -Wno-unknown-warning-option -Wno-padded -Wno-undef -Wno-reserved-id-macro -fcomment-block-commands=test,retval)
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if(NOT CMAKE_CXX_STANDARD EQUAL 98)
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list(APPEND WarningFlags -Wno-c++98-compat -Wno-c++98-compat-pedantic)
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endif()
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if ("${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC") # clang-cl has some VCC flags by default that it will not recognize...
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list(APPEND WarningFlags -Wno-unused-command-line-argument)
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endif()
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endif(WCLANG)
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endif()
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endif()
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if(NOT ${as_error_all} EQUAL -1)
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if(WMSVC)
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list(APPEND WarningFlags "/WX")
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elseif(WGCC OR WCLANG)
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list(APPEND WarningFlags "-Werror")
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endif()
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endif()
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foreach(target IN LISTS this_UNPARSED_ARGUMENTS)
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if(WarningFlags)
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target_compile_options(${target} PRIVATE ${WarningFlags})
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endif()
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if(WarningDefinitions)
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target_compile_definitions(${target} PRIVATE ${WarningDefinitions})
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endif()
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if(SystemIncludes)
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set_target_properties(${target} PROPERTIES
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:${target},INTERFACE_INCLUDE_DIRECTORIES>)
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endif()
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endforeach()
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endfunction(target_set_warnings)
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