206 lines
9.0 KiB
CMake
206 lines
9.0 KiB
CMake
include(CheckCXXCompilerFlag)
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function(add_compile_options_safe FLAG)
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string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
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check_cxx_compiler_flag(${FLAG} ${mangled_flag})
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if (${mangled_flag})
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add_compile_options(${FLAG})
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endif()
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endfunction()
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function(target_compile_options_safe TARGET FLAG)
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string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
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check_cxx_compiler_flag(${FLAG} ${mangled_flag})
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if (${mangled_flag})
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target_compile_options(${TARGET} PRIVATE ${FLAG})
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endif()
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endfunction()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-Weverything)
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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if(CMAKE_BUILD_TYPE MATCHES "Release")
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# "Release" uses -O3 by default
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add_compile_options(-O2)
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endif()
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if (WARNINGS_ARE_ERRORS)
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add_compile_options(-Werror)
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endif()
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add_compile_options(-pedantic)
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add_compile_options(-Wall)
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add_compile_options(-Wextra)
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add_compile_options(-Wcast-qual) # Cast for removing type qualifiers
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add_compile_options(-Wfloat-equal) # Floating values used in equality comparisons
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add_compile_options(-Wmissing-declarations) # If a global function is defined without a previous declaration
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add_compile_options(-Wmissing-format-attribute) #
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add_compile_options(-Wno-long-long)
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add_compile_options(-Wpacked) #
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add_compile_options(-Wredundant-decls) # if anything is declared more than once in the same scope
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add_compile_options(-Wundef)
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add_compile_options(-Wno-missing-field-initializers)
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add_compile_options(-Wno-missing-braces)
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add_compile_options(-Wno-sign-compare)
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add_compile_options(-Wno-multichar)
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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add_compile_options(-Woverloaded-virtual) # when a function declaration hides virtual functions from a base class
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add_compile_options(-Wno-maybe-uninitialized) # there are some false positives
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add_compile_options(-Wsuggest-attribute=noreturn)
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add_compile_options(-Wno-shadow) # whenever a local variable or type declaration shadows another one
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options_safe(-Wno-documentation-unknown-command)
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# TODO: fix and enable these warnings - or move to suppression list below
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add_compile_options_safe(-Wno-deprecated-copy-dtor)
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add_compile_options_safe(-Wno-non-virtual-dtor)
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add_compile_options_safe(-Wno-inconsistent-missing-destructor-override) # caused by Qt moc code
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add_compile_options_safe(-Wno-unused-exception-parameter)
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add_compile_options_safe(-Wno-old-style-cast)
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add_compile_options_safe(-Wno-global-constructors)
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add_compile_options_safe(-Wno-exit-time-destructors)
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add_compile_options_safe(-Wno-sign-conversion)
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add_compile_options_safe(-Wno-shadow-field-in-constructor)
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add_compile_options_safe(-Wno-covered-switch-default)
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add_compile_options_safe(-Wno-shorten-64-to-32)
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add_compile_options_safe(-Wno-zero-as-null-pointer-constant) # TODO: enable when warnings are fixed in in simplecpp and tinyxml2
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add_compile_options_safe(-Wno-format-nonliteral)
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add_compile_options_safe(-Wno-implicit-int-conversion)
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add_compile_options_safe(-Wno-double-promotion)
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add_compile_options_safe(-Wno-shadow-field)
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add_compile_options_safe(-Wno-shadow-uncaptured-local)
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add_compile_options_safe(-Wno-unreachable-code)
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add_compile_options_safe(-Wno-implicit-float-conversion)
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add_compile_options_safe(-Wno-switch-enum)
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add_compile_options_safe(-Wno-float-conversion)
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add_compile_options_safe(-Wno-enum-enum-conversion)
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add_compile_options_safe(-Wno-date-time)
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add_compile_options_safe(-Wno-conditional-uninitialized)
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add_compile_options_safe(-Wno-suggest-override) # TODO: enable when warnings are fixed in in tinyxml2
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add_compile_options_safe(-Wno-suggest-destructor-override) # TODO: enable when warnings are fixed in in tinyxml2
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add_compile_options_safe(-Wno-extra-semi-stmt) # TODO: enable when warnings are fixed in in tinyxml2
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add_compile_options_safe(-Wno-implicitly-unsigned-literal)
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add_compile_options_safe(-Wno-tautological-type-limit-compare)
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add_compile_options_safe(-Wno-unused-member-function)
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add_compile_options(-Wno-disabled-macro-expansion)
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# warnings we are not interested in
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add_compile_options(-Wno-four-char-constants)
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add_compile_options(-Wno-c++98-compat)
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add_compile_options(-Wno-weak-vtables)
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add_compile_options(-Wno-padded)
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add_compile_options(-Wno-c++98-compat-pedantic)
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add_compile_options_safe(-Wno-return-std-move-in-c++11)
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if(ENABLE_COVERAGE OR ENABLE_COVERAGE_XML)
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message(FATAL_ERROR "Do not use clang for generate code coverage. Use gcc.")
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endif()
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endif()
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if (MSVC)
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# General
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add_compile_options(/W4) # Warning Level
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add_compile_options(/Zi) # Debug Information Format - Program Database
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if (WARNINGS_ARE_ERRORS)
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add_compile_options(/WX) # Treat Warning As Errors
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endif()
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add_compile_options(/MP) # Multi-processor Compilation
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# Advanced
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# Character Set - Use Unicode Character Set
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# No Whole Program Optimization
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# C/C++ - Optimization
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if(CMAKE_BUILD_TYPE MATCHES "Release" OR CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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add_compile_options(/O2) # Optimization - Maximum Optimization (Favor Speed)
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add_compile_options(/Ob2) # Inline Function Expansion - Any Suitable
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add_compile_options(/Oi) # Enable Intrinsic Functions
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add_compile_options(/Ot) # Favor fast code
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add_compile_options(/Oy) # Omit Frame Pointers
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else()
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add_compile_options(/Od) # Optimization - Disabled
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endif()
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# C/C++ - Code Generation
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if(CMAKE_BUILD_TYPE MATCHES "Release" OR CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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add_compile_options(/GF) # Enable String Pooling
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add_compile_options(/MD) # Runtime Library - Multi-threaded DLL
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add_compile_options(/GS-) # Disable Security Check
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add_compile_options(/Gy) # Enable Function-Level Linking
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else()
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add_compile_options(/MDd) # Runtime Library - Multi-threaded Debug DLL
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add_compile_options(/GS) # Enable Security Check
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endif()
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# C/C++ - Language
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add_compile_options(/Zc:rvalueCast) # Enforce type conversion rules
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add_compile_options(/std:c++14) # C++ Langage Standard - ISO C++14 Standard
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# C/C++ - Browse Information
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# Enable Browse Information - No
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# C/C++ - Advanced
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add_compile_options(/wd4018) # warning C4018: '>': signed/unsigned mismatch
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add_compile_options(/wd4127) # warning C4127: conditional expression is constant
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add_compile_options(/wd4146) # warning C4146: unary minus operator applied to unsigned type, result still unsigned
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add_compile_options(/wd4244) # warning C4244: 'initializing': conversion from 'int' to 'char', possible loss of data
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add_compile_options(/wd4251)
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# Clang: -Wshorten-64-to-32 -Wimplicit-int-conversion
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add_compile_options(/wd4267) # warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
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add_compile_options(/wd4389) # warning C4389: '==': signed/unsigned mismatch
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add_compile_options(/wd4482)
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add_compile_options(/wd4512)
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add_compile_options(/wd4701) # warning C4701: potentially uninitialized local variable 'err' used
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add_compile_options(/wd4706) # warning C4706: assignment within conditional expression
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add_compile_options(/wd4800) # warning C4800: 'const SymbolDatabase *' : forcing value to bool 'true' or 'false' (performance warning)
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add_compile_options(/wd4805) # warning C4805: '==' : unsafe mix of type 'bool' and type 'long long' in operation
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# C/C++ - All Options
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add_compile_options(/Zc:throwingNew /Zc:__cplusplus) # Additional Options
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# Linker - General
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if(CMAKE_BUILD_TYPE MATCHES "Debug")
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add_link_options(/INCREMENTAL) # Enable Incremental Linking - Yes
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endif()
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add_link_options(/NOLOGO) # SUppress Startup Banner - Yes
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# Ignore Import Library - Yes
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# Linker - Debugging
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add_link_options(/DEBUG) # Generate Debug Information
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# Linker - System
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# Stack Reserve Size - 8000000
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# Stack Commit Size - 8000000
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add_link_options(/LARGEADDRESSAWARE) # Enbale Large Addresses - Yes
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# Linker - Optimization
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add_link_options(/OPT:REF) # References - Yes
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add_link_options(/OPT:ICF) # Enable COMDAT Folding - Yes
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# Linker - Advanced
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if(CMAKE_BUILD_TYPE MATCHES "Release" OR CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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add_link_options(/RELEASE) # Set Checksum - Yes
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endif()
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endif()
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# TODO: check if this can be enabled again - also done in Makefile
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if (CMAKE_SYSTEM_NAME MATCHES "Linux" AND
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CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-U_GLIBCXX_DEBUG)
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endif()
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if (MSVC)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8000000")
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endif()
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if (CYGWIN)
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# TODO: this is a linker flag - not a compiler flag
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add_compile_options(-Wl,--stack,8388608)
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endif()
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include(cmake/dynamic_analyzer_options.cmake)
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