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Build.cmake
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Build.cmake
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# g3log is a KjellKod Logger
# 2015 @author Kjell Hedström, hedstrom@kjellkod.cc
# ==================================================================
# 2015 by KjellKod.cc. This is PUBLIC DOMAIN to use at your own
# risk and comes with no warranties.
#
# This code is yours to share, use and modify with no strings attached
# and no restrictions or obligations.
# ===================================================================
# GENERIC STEPS
SET(LOG_SRC ${g3log_SOURCE_DIR}/src)
file(GLOB SRC_FILES ${LOG_SRC}/*.cpp ${LOG_SRC}/*.ipp)
file(GLOB HEADER_FILES ${LOG_SRC}/g3log/*.hpp)
list( APPEND HEADER_FILES ${GENERATED_G3_DEFINITIONS} )
list( APPEND SRC_FILES ${GENERATED_G3_DEFINITIONS} )
IF (MSVC OR MINGW)
list(REMOVE_ITEM SRC_FILES ${LOG_SRC}/crashhandler_unix.cpp)
ELSE()
list(REMOVE_ITEM SRC_FILES ${LOG_SRC}/crashhandler_windows.cpp ${LOG_SRC}/g3log/stacktrace_windows.hpp ${LOG_SRC}/stacktrace_windows.cpp)
ENDIF (MSVC OR MINGW)
set(SRC_FILES ${SRC_FILES} ${SRC_PLATFORM_SPECIFIC})
# Create the g3log library
SET(G3LOG_LIBRARY g3logger)
IF( G3_SHARED_LIB )
IF( WIN32 )
IF(NOT(${CMAKE_VERSION} VERSION_LESS "3.4"))
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
ELSE()
message( FATAL_ERROR "Need CMake version >=3.4 to build shared windows library!" )
ENDIF()
ENDIF()
ADD_LIBRARY(${G3LOG_LIBRARY} SHARED ${SRC_FILES})
ELSE()
IF(MSVC)
IF(NOT G3_SHARED_RUNTIME)
SET(CompilerFlags
CMAKE_CXX_FLAGS
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELEASE
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
)
foreach(CompilerFlag ${CompilerFlags})
string(REPLACE "/MDd" "/MTd" ${CompilerFlag} "${${CompilerFlag}}")
string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
endforeach()
ENDIF()
ENDIF()
ADD_LIBRARY(${G3LOG_LIBRARY} STATIC ${SRC_FILES})
ENDIF()
SET(${G3LOG_LIBRARY}_VERSION_STRING ${VERSION})
MESSAGE( STATUS "Creating ${G3LOG_LIBRARY} VERSION: ${VERSION}" )
SET_TARGET_PROPERTIES(${G3LOG_LIBRARY} PROPERTIES
LINKER_LANGUAGE CXX
OUTPUT_NAME g3logger
CLEAN_DIRECT_OUTPUT 1
CXX_STANDARD 14
CXX_STANDARD_REQUIRED YES
CXX_EXTENSIONS NO
SOVERSION ${VERSION}
)
IF(APPLE)
SET_TARGET_PROPERTIES(${G3LOG_LIBRARY} PROPERTIES MACOSX_RPATH TRUE)
ENDIF()
# require here some proxy for c++14 standard to avoid problems TARGET_PROPERTY CXX_STANDARD
TARGET_COMPILE_FEATURES(${G3LOG_LIBRARY} PUBLIC cxx_variable_templates)
TARGET_INCLUDE_DIRECTORIES(${G3LOG_LIBRARY} PUBLIC ${LOG_SRC} "${CMAKE_CURRENT_BINARY_DIR}/include")
SET(ACTIVE_CPP0xx_DIR "Release")
# find corresponding thread lib (e.g. whether -lpthread is needed or not)
FIND_PACKAGE(Threads REQUIRED)
TARGET_LINK_LIBRARIES(${G3LOG_LIBRARY} Threads::Threads )
# check for backtrace and cxa_demangle only in non-Windows dev environments
IF(NOT(MSVC OR MINGW))
# the backtrace module does not provide a modern cmake target
FIND_PACKAGE(Backtrace REQUIRED)
if(Backtrace_FOUND)
TARGET_INCLUDE_DIRECTORIES(${G3LOG_LIBRARY} PRIVATE ${Backtrace_INCLUDE_DIRS})
TARGET_LINK_LIBRARIES(${G3LOG_LIBRARY} ${Backtrace_LIBRARIES})
else()
message( FATAL_ERROR "Could not find Library to create backtraces")
endif()
INCLUDE(CheckLibraryExists)
INCLUDE(CheckCXXSymbolExists)
#if demangle is in c++ runtime lib
CHECK_CXX_SYMBOL_EXISTS(abi::__cxa_demangle "cxxabi.h" DEMANGLE_EXISTS)
IF( NOT (DEMANGLE_EXISTS))
#try to link against c++abi to get demangle
CHECK_LIBRARY_EXISTS(c++abi abi::__cxa_demangle "cxxabi.h" NEED_C++ABI)
IF( NEED_C++ABI)
TARGET_LINK_LIBRARIES(${G3LOG_LIBRARY} c++abi)
ELSE()
message( FATAL_ERROR "Could not find function abi::__cxa_demangle")
ENDIF()
endif()
ENDIF()
# add Warnings
target_compile_options(${G3LOG_LIBRARY} PRIVATE
# clang/GCC warnings
$<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:GNU>>:-Wall -Wunused>
# MSVC warnings
$<$<CXX_COMPILER_ID:MSVC>:/W4>)
# add GCC specific stuff
target_compile_options(${G3LOG_LIBRARY} PRIVATE
# clang/GCC warnings
$<$<CXX_COMPILER_ID:GNU>:-rdynamic>
)
#cmake -DCMAKE_CXX_COMPILER=clang++ ..
# WARNING: If Clang for Linux does not work with full c++14 support it might be your
# installation that is faulty. When I tested Clang on Ubuntu I followed the following
# description
# 1) http://kjellkod.wordpress.com/2013/09/23/experimental-g3log-with-clang/
# 2) https://github.com/maidsafe/MaidSafe/wiki/Hacking-with-Clang-llvm-abi-and-llvm-libc
# Windows Stuff
IF(MSVC OR MINGW)
TARGET_COMPILE_DEFINITIONS(${G3LOG_LIBRARY} PRIVATE NOGDI)
TARGET_LINK_LIBRARIES(${G3LOG_LIBRARY} dbghelp)
# VC11 bug: http://code.google.com/p/googletest/issues/detail?id=408
# add_definition(-D_VARIADIC_MAX=10)
# https://github.com/anhstudios/swganh/pull/186/files
TARGET_COMPILE_DEFINITIONS(${G3LOG_LIBRARY} PRIVATE _VARIADIC_MAX=10)
MESSAGE(STATUS "- MSVC: Set variadic max to 10 for MSVC compatibility")
# Remember to set set target properties if using GTEST similar to done below on target "unit_test"
# "set_target_properties(unit_test PROPERTIES COMPILE_DEFINITIONS "GTEST_USE_OWN_TR1_TUPLE=0")
message( STATUS "" )
message( STATUS "Windows: Run cmake with the appropriate Visual Studio generator" )
message( STATUS "The generator is one number below the official version number. I.e. VS2013 -> Generator 'Visual Studio 12'" )
MESSAGE( STATUS "I.e. if VS2013: Please run the command [cmake -DCMAKE_BUILD_TYPE=Release -G \"Visual Studio 12\" ..]")
message( STATUS "if cmake finishes OK, do 'msbuild g3log.sln /p:Configuration=Release'" )
message( STATUS "then run 'Release\\g3log-FATAL-*' examples" )
message( STATUS "" )
ENDIF()
TARGET_COMPILE_OPTIONS(${G3LOG_LIBRARY} PRIVATE
$<$<CXX_COMPILER_ID:MSVC>:/utf-8> # source code already in utf-8, force it for compilers in non-utf8_windows_locale
$<$<CXX_COMPILER_ID:MSVC>:$<$<EQUAL:4,${CMAKE_SIZEOF_VOID_P}>:/arch:IA32>>
)