mirror of
https://github.com/HarbourMasters/Shipwright.git
synced 2024-11-23 01:42:19 -05:00
f52a2a6406
subrepo: subdir: "OTRGui" merged: "a6066a251" upstream: origin: "https://github.com/HarbourMasters/otrgui.git" branch: "master" commit: "a6066a251" git-subrepo: version: "0.4.1" origin: "???" commit: "???"
80 lines
3.1 KiB
CMake
80 lines
3.1 KiB
CMake
include(AddIfFlagCompiles)
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# Makes +/- operations on void pointers be considered an error
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# https://gcc.gnu.org/onlinedocs/gcc/Pointer-Arith.html
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add_if_flag_compiles(-Werror=pointer-arith CMAKE_C_FLAGS)
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# Generates error whenever a function is used before being declared
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# https://gcc.gnu.org/onlinedocs/gcc-4.0.1/gcc/Warning-Options.html
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add_if_flag_compiles(-Werror=implicit-function-declaration CMAKE_C_FLAGS)
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# Allows some casting of pointers without generating a warning
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add_if_flag_compiles(-fno-strict-aliasing CMAKE_C_FLAGS)
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if (ENABLE_MSAN AND ENABLE_ASAN)
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# MSAN and ASAN both work on memory - ASAN does more things
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MESSAGE(WARNING "Compiling with both AddressSanitizer and MemorySanitizer is not recommended")
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endif()
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if (ENABLE_ASAN)
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# If enabled it would generate errors/warnings for all kinds of memory errors
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# (like returning a stack variable by reference)
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# https://clang.llvm.org/docs/AddressSanitizer.html
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add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_compiles(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if (ENABLE_UBSAN)
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# If enabled this will generate errors for undefined behavior points
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# (like adding +1 to the maximum int value)
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# https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html
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add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_compiles(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if (ENABLE_MSAN)
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# If enabled this will generate warnings for places where uninitialized memory is used
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# https://clang.llvm.org/docs/MemorySanitizer.html
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add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_compiles(-fsanitize=memory CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if(CMAKE_VERSION VERSION_LESS "3.1")
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if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
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add_if_flag_compiles(-std=gnu99 CMAKE_C_FLAGS)
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endif()
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else()
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set (CMAKE_C_STANDARD 99)
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endif()
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if(${PLATFORM} MATCHES "Android")
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# If enabled will remove dead code during the linking process
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# https://gcc.gnu.org/onlinedocs/gnat_ugn/Compilation-options.html
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add_if_flag_compiles(-ffunction-sections CMAKE_C_FLAGS)
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# If enabled will generate some exception data (usually disabled for C programs)
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# https://gcc.gnu.org/onlinedocs/gcc-4.2.4/gcc/Code-Gen-Options.html
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add_if_flag_compiles(-funwind-tables CMAKE_C_FLAGS)
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# If enabled adds stack protection guards around functions that allocate memory
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# https://www.keil.com/support/man/docs/armclang_ref/armclang_ref_cjh1548250046139.htm
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add_if_flag_compiles(-fstack-protector-strong CMAKE_C_FLAGS)
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# Marks that the library will not be compiled with an executable stack
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add_if_flag_compiles(-Wa,--noexecstack CMAKE_C_FLAGS)
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# Do not expand symbolic links or resolve paths like "/./" or "/../", etc.
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# https://gcc.gnu.org/onlinedocs/gcc/Directory-Options.html
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add_if_flag_compiles(-no-canonical-prefixes CMAKE_C_FLAGS)
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endif()
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