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include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
if(__add_lief_compiler_flags)
return()
endif()
set(__add_lief_compiler_flags ON)
function(append value)
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endfunction()
function(append_if condition value)
if (${condition})
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endif()
endfunction()
macro(ADD_FLAG_IF_SUPPORTED flag name)
CHECK_C_COMPILER_FLAG("${flag}" "C_SUPPORTS_${name}")
CHECK_CXX_COMPILER_FLAG("${flag}" "CXX_SUPPORTS_${name}")
if (C_SUPPORTS_${name})
target_compile_options(LIB_LIEF_STATIC PRIVATE ${flag})
target_compile_options(LIB_LIEF_SHARED PRIVATE ${flag})
endif()
if (CXX_SUPPORTS_${name})
target_compile_options(LIB_LIEF_STATIC PRIVATE ${flag})
target_compile_options(LIB_LIEF_SHARED PRIVATE ${flag})
endif()
endmacro()
if (MSVC)
add_definitions(-DNOMINMAX)
target_compile_options(LIB_LIEF_STATIC PUBLIC /FIiso646.h)
target_compile_options(LIB_LIEF_SHARED PUBLIC /FIiso646.h)
if (CMAKE_BUILD_TYPE MATCHES "Debug")
target_compile_options(LIB_LIEF_STATIC PUBLIC /MTd)
else()
target_compile_options(LIB_LIEF_STATIC PUBLIC /MT)
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if (UNIX)
if (LIEF_FORCE32)
target_compile_options(LIB_LIEF_STATIC PRIVATE -m32)
target_compile_options(LIB_LIEF_SHARED PRIVATE -m32)
set_property(TARGET LIB_LIEF_STATIC LIB_LIEF_SHARED PROPERTY LINK_FLAGS -m32)
endif()
endif()
endif()
if (NOT MSVC)
ADD_FLAG_IF_SUPPORTED("-Wall" WALL)
ADD_FLAG_IF_SUPPORTED("-Wextra" WEXTRA)
ADD_FLAG_IF_SUPPORTED("-Wpedantic" WPEDANTIC)
ADD_FLAG_IF_SUPPORTED("-fno-stack-protector" NO_STACK_PROTECTOR)
ADD_FLAG_IF_SUPPORTED("-fomit-frame-pointer" OMIT_FRAME_POINTER)
ADD_FLAG_IF_SUPPORTED("-fno-strict-aliasing" NO_STRICT_ALIASING)
ADD_FLAG_IF_SUPPORTED("-fexceptions" EXCEPTION)
ADD_FLAG_IF_SUPPORTED("-fvisibility=hidden" VISIBILITY)
ADD_FLAG_IF_SUPPORTED("-Wno-expansion-to-defined" NO_EXPANSION_TO_DEFINED)
endif()
#ADD_FLAG_IF_SUPPORTED("-Wduplicated-cond" HAS_DUPLICATED_COND)
#ADD_FLAG_IF_SUPPORTED("-Wduplicated-branches" HAS_DUPLICATED_BRANCHES)
#ADD_FLAG_IF_SUPPORTED("-Wlogical-op" HAS_LOGICAL_OP)
#ADD_FLAG_IF_SUPPORTED("-Wshadow" HAS_SHADOW)
# =========================================
# MSVC FLAGS
# This part is inspired from LLVM:
# https://github.com/llvm-mirror/llvm/blob/a86576d8771c89502d239f0b85a1a6992020aa47/cmake/modules/HandleLLVMOptions.cmake
# =========================================
set(msvc_warning_flags
# Disabled warnings.
-wd4141 # Suppress ''modifier' : used more than once' (because of __forceinline combined with inline)
-wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
-wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
-wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
-wd4258 # Suppress ''var' : definition from the for loop is ignored; the definition from the enclosing scope is used'
-wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
-wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
-wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
-wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
-wd4355 # Suppress ''this' : used in base member initializer list'
-wd4456 # Suppress 'declaration of 'var' hides local variable'
-wd4457 # Suppress 'declaration of 'var' hides function parameter'
-wd4458 # Suppress 'declaration of 'var' hides class member'
-wd4459 # Suppress 'declaration of 'var' hides global declaration'
-wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
-wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
-wd4722 # Suppress 'function' : destructor never returns, potential memory leak
-wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
-wd4100 # Suppress 'unreferenced formal parameter'
-wd4127 # Suppress 'conditional expression is constant'
-wd4512 # Suppress 'assignment operator could not be generated'
-wd4505 # Suppress 'unreferenced local function has been removed'
-wd4610 # Suppress '<class> can never be instantiated'
-wd4510 # Suppress 'default constructor could not be generated'
-wd4702 # Suppress 'unreachable code'
-wd4245 # Suppress 'signed/unsigned mismatch'
-wd4706 # Suppress 'assignment within conditional expression'
-wd4310 # Suppress 'cast truncates constant value'
-wd4701 # Suppress 'potentially uninitialized local variable'
-wd4703 # Suppress 'potentially uninitialized local pointer variable'
-wd4389 # Suppress 'signed/unsigned mismatch'
-wd4611 # Suppress 'interaction between '_setjmp' and C++ object destruction is non-portable'
-wd4805 # Suppress 'unsafe mix of type <type> and type <type> in operation'
-wd4204 # Suppress 'nonstandard extension used : non-constant aggregate initializer'
-wd4577 # Suppress 'noexcept used with no exception handling mode specified; termination on exception is not guaranteed'
-wd4091 # Suppress 'typedef: ignored on left of '' when no variable is declared'
# C4592 is disabled because of false positives in Visual Studio 2015
# Update 1. Re-evaluate the usefulness of this diagnostic with Update 2.
-wd4592 # Suppress ''var': symbol will be dynamically initialized (implementation limitation)
-wd4319 # Suppress ''operator' : zero extending 'type' to 'type' of greater size'
-wd4710 # Suppress 'function not inlined'
-wd4820 # Suppress 'XXX bytes padding added after data member'
-wd4514 # Suppress 'unreferenced inline function has been removed'
# Ideally, we'd like this warning to be enabled, but MSVC 2013 doesn't
# support the 'aligned' attribute in the way that clang sources requires (for
# any code that uses the LLVM_ALIGNAS macro), so this is must be disabled to
# avoid unwanted alignment warnings.
# When we switch to requiring a version of MSVC that supports the 'alignas'
# specifier (MSVC 2015?) this warning can be re-enabled.
-wd4324 # Suppress 'structure was padded due to __declspec(align())'
# Promoted warnings.
-w14062 # Promote 'enumerator in switch of enum is not handled' to level 1 warning.
# Promoted warnings to errors.
-we4238 # Promote 'nonstandard extension used : class rvalue used as lvalue' to error.
)
if (MSVC)
set(msvc_warning_flags "/W4 ${msvc_warning_flags}")
string(REGEX REPLACE " /W[0-4]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REGEX REPLACE " /W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
#foreach(flag ${msvc_warning_flags})
# target_compile_options(LIB_LIEF_STATIC PRIVATE ${flag})
# target_compile_options(LIB_LIEF_SHARED PRIVATE ${flag})
#endforeach(flag)
endif()
# Speed up MSVC build
if (MSVC_IDE)
set(LIEF_COMPILER_JOBS "0" CACHE STRING
"Number of parallel compiler jobs. 0 means use all processors. Default is 0.")
if (NOT LIEF_COMPILER_JOBS STREQUAL "1")
if(LIEF_COMPILER_JOBS STREQUAL "0")
message(STATUS "Number of parallel compiler jobs set to /MP")
add_definitions(/MP)
else()
message(STATUS "Number of parallel compiler jobs set to /MP${LIEF_COMPILER_JOBS}")
add_definitions(/MP${LIEF_COMPILER_JOBS})
endif()
else()
message(STATUS "Parallel compilation disabled")
endif()
endif()
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