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cuberite-2a/SetFlags.cmake

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CMake
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macro (add_flags_lnk FLAGS)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_COVERAGE} ${FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "${CMAKE_MODULE_LINKER_FLAGS_DEBUG} ${FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS_COVERAGE "${CMAKE_MODULE_LINKER_FLAGS_COVERAGE} ${FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${FLAGS}")
endmacro()
macro(add_flags_cxx FLAGS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAGS}")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAGS}")
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} ${FLAGS}")
set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} ${FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${FLAGS}")
endmacro()
macro(set_flags)
# Add coverage processing, if requested:
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if (NOT MSVC)
if (CMAKE_BUILD_TYPE STREQUAL "COVERAGE")
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message("Including CodeCoverage")
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/lib/cmake-coverage/")
include(CodeCoverage)
endif()
endif()
# Add the preprocessor macros used for distinguishing between debug and release builds (CMake does this automatically for MSVC):
if (NOT MSVC)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -D_DEBUG")
set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} -D_DEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
endif()
if(MSVC)
# Make build use multiple threads under MSVC:
add_flags_cxx("/MP")
# Make release builds use link-time code generation:
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /GL")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} /LTCG")
elseif(APPLE)
#on os x clang adds pthread for us but we need to add it for gcc
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11")
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -std=c++11")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11")
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add_flags_cxx("-stdlib=libc++")
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add_flags_lnk("-stdlib=libc++")
else()
add_flags_cxx("-pthread")
endif()
else()
# Let gcc / clang know that we're compiling a multi-threaded app:
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if (UNIX)
add_flags_cxx("-pthread")
endif()
# Make CLang use C++11, otherwise MSVC2008-supported extensions don't work ("override" keyword etc.):
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11")
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set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -std=c++11")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11")
endif()
# We use a signed char (fixes #640 on RasPi)
add_flags_cxx("-fsigned-char")
endif()
# Allow for a forced 32-bit build under 64-bit OS:
if (FORCE_32)
add_flags_cxx("-m32")
add_flags_lnk("-m32")
endif()
# Have the compiler generate code specifically targeted at the current machine on Linux
if(LINUX AND NOT CROSSCOMPILE)
add_flags_cxx("-march=native")
endif()
# Use static CRT in MSVC builds:
if (MSVC)
string(REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/MD" "/MT" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/MDd" "/MTd" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/MDd" "/MTd" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
endif()
endmacro()
macro(set_lib_flags)
# Set lower warnings-level for the libraries:
if (MSVC)
# Remove /W3 from command line -- cannot just cancel it later with /w like in unix, MSVC produces a D9025 warning (option1 overriden by option2)
string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/W3" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/W3" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/W3" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
else()
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -w")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -w")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -w")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -w")
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} -w")
set(CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE} -w")
endif()
# On Unix we use two dynamic loading libraries dl and ltdl.
# Preference is for dl on unknown systems as it is specified in POSIX
# the dynamic loader is used by lua and sqllite.
if (UNIX)
if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
set(DYNAMIC_LOADER ltdl)
else()
set(DYNAMIC_LOADER dl)
endif()
endif()
endmacro()
macro(enable_profile)
# Declare the flags used for profiling builds:
if (MSVC)
set (CXX_PROFILING "/Zi")
set (LNK_PROFILING "/PROFILE /DEBUG")
else()
set (CXX_PROFILING "-pg")
set (LNK_PROFILING "-pg")
endif()
# Declare the profiling configurations:
SET(CMAKE_CXX_FLAGS_DEBUGPROFILE
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"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_PROFILING}"
CACHE STRING "Flags used by the C++ compiler during profile builds."
FORCE )
SET(CMAKE_C_FLAGS_DEBUGPROFILE
"${CMAKE_C_FLAGS_DEBUG} ${CXX_PROFILING}"
CACHE STRING "Flags used by the C compiler during profile builds."
FORCE )
SET(CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
"${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
CACHE STRING "Flags used for linking binaries during profile builds."
FORCE )
SET(CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE
"${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${LNK_PROFILING}"
CACHE STRING "Flags used by the shared libraries linker during profile builds."
FORCE )
MARK_AS_ADVANCED(
CMAKE_CXX_FLAGS_DEBUGPROFILE
CMAKE_C_FLAGS_DEBUGPROFILE
CMAKE_EXE_LINKER_FLAGS_DEBUGPROFILE
CMAKE_SHARED_LINKER_FLAGS_DEBUGPROFILE )
SET(CMAKE_CXX_FLAGS_RELEASEPROFILE
"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_PROFILING}"
CACHE STRING "Flags used by the C++ compiler during profile builds."
FORCE )
SET(CMAKE_C_FLAGS_RELEASEPROFILE
"${CMAKE_C_FLAGS_RELEASE} ${CXX_PROFILING}"
CACHE STRING "Flags used by the C compiler during profile builds."
FORCE )
SET(CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
"${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
CACHE STRING "Flags used for linking binaries during profile builds."
FORCE )
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE
"${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LNK_PROFILING}"
CACHE STRING "Flags used by the shared libraries linker during profile builds."
FORCE )
MARK_AS_ADVANCED(
CMAKE_CXX_FLAGS_RELEASEPROFILE
CMAKE_C_FLAGS_RELEASEPROFILE
CMAKE_EXE_LINKER_FLAGS_RELEASEPROFILE
CMAKE_SHARED_LINKER_FLAGS_RELEASEPROFILE )
# The configuration types need to be set after their respective c/cxx/linker flags and before the project directive
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if(MSVC)
set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile" CACHE STRING "" FORCE)
else()
set(CMAKE_CONFIGURATION_TYPES "Debug;Release;DebugProfile;ReleaseProfile;Coverage" CACHE STRING "" FORCE)
endif()
endmacro()
macro(set_exe_flags)
# Remove disabling the maximum warning level:
# clang does not like a command line that reads -Wall -Wextra -w -Wall -Wextra and does not output any warnings
# We do not do that for MSVC since MSVC produces an awful lot of warnings for its own STL headers;
# the important warnings are turned on using #pragma in Globals.h
if (NOT MSVC)
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string(REPLACE "-w" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "-w" "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "-w" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "-w" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "-w" "" CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE}")
string(REPLACE "-w" "" CMAKE_C_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE}")
add_flags_cxx("-Wall -Wextra -Wno-unused-parameter -Wno-error=switch")
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# we support non-IEEE 754 fpus so can make no guarentees about error
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add_flags_cxx("-ffast-math")
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# clang does not provide the __extern_always_inline macro and a part of libm depends on this when using fast-math
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add_flags_cxx("-D__extern_always_inline=inline")
add_flags_cxx("-Werror -Weverything -Wno-c++98-compat-pedantic -Wno-string-conversion")
add_flags_cxx("-Wno-error=switch-enum -Wno-documentation -Wno-exit-time-destructors")
add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-padded")
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add_flags_cxx("-Wno-error=deprecated -Wno-error=weak-vtables -Wno-error=float-equal")
add_flags_cxx("-Wno-error=missing-prototypes -Wno-error=non-virtual-dtor")
add_flags_cxx("-Wno-error=covered-switch-default -Wno-error=shadow -Wno-error=old-style-cast")
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add_flags_cxx("-Wno-error=exit-time-destructors -Wno-error=missing-variable-declarations")
add_flags_cxx("-Wno-error=global-constructors -Wno-implicit-fallthrough")
add_flags_cxx("-Wno-error=extra-semi -Wno-weak-vtables -Wno-switch-enum")
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endif()
endif()
endmacro()