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authorJinkun Jang <jinkun.jang@samsung.com>2013-03-12 15:07:59 +0900
committerJinkun Jang <jinkun.jang@samsung.com>2013-03-12 15:07:59 +0900
commit8c380ed253c753a692531702b43991e91453117e (patch)
tree62d76e8f2f0acb9da9cb4d1387f89bd639cd8a4b /Modules/CMakeCXXInformation.cmake
parent4d15171e3862d6383727e84f9ee90d44be1a0281 (diff)
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Diffstat (limited to 'Modules/CMakeCXXInformation.cmake')
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diff --git a/Modules/CMakeCXXInformation.cmake b/Modules/CMakeCXXInformation.cmake
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+
+#=============================================================================
+# Copyright 2004-2011 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+# This file sets the basic flags for the C++ language in CMake.
+# It also loads the available platform file for the system-compiler
+# if it exists.
+# It also loads a system - compiler - processor (or target hardware)
+# specific file, which is mainly useful for crosscompiling and embedded systems.
+
+# some compilers use different extensions (e.g. sdcc uses .rel)
+# so set the extension here first so it can be overridden by the compiler specific file
+IF(UNIX)
+ SET(CMAKE_CXX_OUTPUT_EXTENSION .o)
+ELSE(UNIX)
+ SET(CMAKE_CXX_OUTPUT_EXTENSION .obj)
+ENDIF(UNIX)
+
+SET(_INCLUDED_FILE 0)
+
+# Load compiler-specific information.
+IF(CMAKE_CXX_COMPILER_ID)
+ INCLUDE(Compiler/${CMAKE_CXX_COMPILER_ID}-CXX OPTIONAL)
+ENDIF(CMAKE_CXX_COMPILER_ID)
+
+SET(CMAKE_BASE_NAME)
+GET_FILENAME_COMPONENT(CMAKE_BASE_NAME ${CMAKE_CXX_COMPILER} NAME_WE)
+# since the gnu compiler has several names force g++
+IF(CMAKE_COMPILER_IS_GNUCXX)
+ SET(CMAKE_BASE_NAME g++)
+ENDIF(CMAKE_COMPILER_IS_GNUCXX)
+
+
+# load a hardware specific file, mostly useful for embedded compilers
+IF(CMAKE_SYSTEM_PROCESSOR)
+ IF(CMAKE_CXX_COMPILER_ID)
+ INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
+ ENDIF(CMAKE_CXX_COMPILER_ID)
+ IF (NOT _INCLUDED_FILE)
+ INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
+ ENDIF (NOT _INCLUDED_FILE)
+ENDIF(CMAKE_SYSTEM_PROCESSOR)
+
+# load the system- and compiler specific files
+IF(CMAKE_CXX_COMPILER_ID)
+ INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_CXX_COMPILER_ID}-CXX OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
+ENDIF(CMAKE_CXX_COMPILER_ID)
+IF (NOT _INCLUDED_FILE)
+ INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL
+ RESULT_VARIABLE _INCLUDED_FILE)
+ENDIF (NOT _INCLUDED_FILE)
+# We specify the compiler information in the system file for some
+# platforms, but this language may not have been enabled when the file
+# was first included. Include it again to get the language info.
+# Remove this when all compiler info is removed from system files.
+IF (NOT _INCLUDED_FILE)
+ INCLUDE(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
+ENDIF (NOT _INCLUDED_FILE)
+
+
+# This should be included before the _INIT variables are
+# used to initialize the cache. Since the rule variables
+# have if blocks on them, users can still define them here.
+# But, it should still be after the platform file so changes can
+# be made to those values.
+
+IF(CMAKE_USER_MAKE_RULES_OVERRIDE)
+ # Save the full path of the file so try_compile can use it.
+ INCLUDE(${CMAKE_USER_MAKE_RULES_OVERRIDE} RESULT_VARIABLE _override)
+ SET(CMAKE_USER_MAKE_RULES_OVERRIDE "${_override}")
+ENDIF()
+
+IF(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX)
+ # Save the full path of the file so try_compile can use it.
+ INCLUDE(${CMAKE_USER_MAKE_RULES_OVERRIDE_CXX} RESULT_VARIABLE _override)
+ SET(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX "${_override}")
+ENDIF()
+
+
+# for most systems a module is the same as a shared library
+# so unless the variable CMAKE_MODULE_EXISTS is set just
+# copy the values from the LIBRARY variables
+IF(NOT CMAKE_MODULE_EXISTS)
+ SET(CMAKE_SHARED_MODULE_CXX_FLAGS ${CMAKE_SHARED_LIBRARY_CXX_FLAGS})
+ENDIF(NOT CMAKE_MODULE_EXISTS)
+# Create a set of shared library variable specific to C++
+# For 90% of the systems, these are the same flags as the C versions
+# so if these are not set just copy the flags from the c version
+IF(NOT CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS)
+ SET(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS)
+
+IF(NOT CMAKE_SHARED_LIBRARY_CXX_FLAGS)
+ SET(CMAKE_SHARED_LIBRARY_CXX_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_CXX_FLAGS)
+
+IF(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS)
+ SET(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS ${CMAKE_SHARED_LIBRARY_LINK_C_FLAGS})
+ENDIF(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS)
+
+IF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG)
+ SET(CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG)
+
+IF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG_SEP)
+ SET(CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG_SEP)
+
+IF(NOT CMAKE_SHARED_LIBRARY_RPATH_LINK_CXX_FLAG)
+ SET(CMAKE_SHARED_LIBRARY_RPATH_LINK_CXX_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_RPATH_LINK_CXX_FLAG)
+
+IF(NOT DEFINED CMAKE_EXE_EXPORTS_CXX_FLAG)
+ SET(CMAKE_EXE_EXPORTS_CXX_FLAG ${CMAKE_EXE_EXPORTS_C_FLAG})
+ENDIF()
+
+IF(NOT DEFINED CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG)
+ SET(CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG ${CMAKE_SHARED_LIBRARY_SONAME_C_FLAG})
+ENDIF()
+
+IF(NOT CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG)
+ SET(CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG})
+ENDIF(NOT CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG)
+
+IF(NOT CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG_SEP)
+ SET(CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG_SEP})
+ENDIF(NOT CMAKE_EXECUTABLE_RUNTIME_CXX_FLAG_SEP)
+
+IF(NOT CMAKE_EXECUTABLE_RPATH_LINK_CXX_FLAG)
+ SET(CMAKE_EXECUTABLE_RPATH_LINK_CXX_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_CXX_FLAG})
+ENDIF(NOT CMAKE_EXECUTABLE_RPATH_LINK_CXX_FLAG)
+
+IF(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_CXX_WITH_RUNTIME_PATH)
+ SET(CMAKE_SHARED_LIBRARY_LINK_CXX_WITH_RUNTIME_PATH ${CMAKE_SHARED_LIBRARY_LINK_C_WITH_RUNTIME_PATH})
+ENDIF(NOT DEFINED CMAKE_SHARED_LIBRARY_LINK_CXX_WITH_RUNTIME_PATH)
+
+IF(NOT CMAKE_INCLUDE_FLAG_CXX)
+ SET(CMAKE_INCLUDE_FLAG_CXX ${CMAKE_INCLUDE_FLAG_C})
+ENDIF(NOT CMAKE_INCLUDE_FLAG_CXX)
+
+IF(NOT CMAKE_INCLUDE_FLAG_SEP_CXX)
+ SET(CMAKE_INCLUDE_FLAG_SEP_CXX ${CMAKE_INCLUDE_FLAG_SEP_C})
+ENDIF(NOT CMAKE_INCLUDE_FLAG_SEP_CXX)
+
+# repeat for modules
+IF(NOT CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS)
+ SET(CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS ${CMAKE_SHARED_MODULE_CREATE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS)
+
+IF(NOT CMAKE_SHARED_MODULE_CXX_FLAGS)
+ SET(CMAKE_SHARED_MODULE_CXX_FLAGS ${CMAKE_SHARED_MODULE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_MODULE_CXX_FLAGS)
+
+# Initialize CXX link type selection flags from C versions.
+FOREACH(type SHARED_LIBRARY SHARED_MODULE EXE)
+ IF(NOT CMAKE_${type}_LINK_STATIC_CXX_FLAGS)
+ SET(CMAKE_${type}_LINK_STATIC_CXX_FLAGS
+ ${CMAKE_${type}_LINK_STATIC_C_FLAGS})
+ ENDIF(NOT CMAKE_${type}_LINK_STATIC_CXX_FLAGS)
+ IF(NOT CMAKE_${type}_LINK_DYNAMIC_CXX_FLAGS)
+ SET(CMAKE_${type}_LINK_DYNAMIC_CXX_FLAGS
+ ${CMAKE_${type}_LINK_DYNAMIC_C_FLAGS})
+ ENDIF(NOT CMAKE_${type}_LINK_DYNAMIC_CXX_FLAGS)
+ENDFOREACH(type)
+
+# add the flags to the cache based
+# on the initial values computed in the platform/*.cmake files
+# use _INIT variables so that this only happens the first time
+# and you can set these flags in the cmake cache
+SET(CMAKE_CXX_FLAGS_INIT "$ENV{CXXFLAGS} ${CMAKE_CXX_FLAGS_INIT}")
+# avoid just having a space as the initial value for the cache
+IF(CMAKE_CXX_FLAGS_INIT STREQUAL " ")
+ SET(CMAKE_CXX_FLAGS_INIT)
+ENDIF(CMAKE_CXX_FLAGS_INIT STREQUAL " ")
+SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_INIT}" CACHE STRING
+ "Flags used by the compiler during all build types.")
+
+IF(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
+ SET (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG_INIT}" CACHE STRING
+ "Flags used by the compiler during debug builds.")
+ SET (CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL_INIT}" CACHE STRING
+ "Flags used by the compiler during release minsize builds.")
+ SET (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT}" CACHE STRING
+ "Flags used by the compiler during release builds (/MD /Ob1 /Oi /Ot /Oy /Gs will produce slightly less optimized but smaller files).")
+ SET (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING
+ "Flags used by the compiler during Release with Debug Info builds.")
+
+ENDIF(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
+
+IF(CMAKE_CXX_STANDARD_LIBRARIES_INIT)
+ SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES_INIT}"
+ CACHE STRING "Libraries linked by defalut with all C++ applications.")
+ MARK_AS_ADVANCED(CMAKE_CXX_STANDARD_LIBRARIES)
+ENDIF(CMAKE_CXX_STANDARD_LIBRARIES_INIT)
+
+INCLUDE(CMakeCommonLanguageInclude)
+
+# now define the following rules:
+# CMAKE_CXX_CREATE_SHARED_LIBRARY
+# CMAKE_CXX_CREATE_SHARED_MODULE
+# CMAKE_CXX_COMPILE_OBJECT
+# CMAKE_CXX_LINK_EXECUTABLE
+
+# variables supplied by the generator at use time
+# <TARGET>
+# <TARGET_BASE> the target without the suffix
+# <OBJECTS>
+# <OBJECT>
+# <LINK_LIBRARIES>
+# <FLAGS>
+# <LINK_FLAGS>
+
+# CXX compiler information
+# <CMAKE_CXX_COMPILER>
+# <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS>
+# <CMAKE_CXX_SHARED_MODULE_CREATE_FLAGS>
+# <CMAKE_CXX_LINK_FLAGS>
+
+# Static library tools
+# <CMAKE_AR>
+# <CMAKE_RANLIB>
+
+
+# create a shared C++ library
+IF(NOT CMAKE_CXX_CREATE_SHARED_LIBRARY)
+ SET(CMAKE_CXX_CREATE_SHARED_LIBRARY
+ "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+ENDIF(NOT CMAKE_CXX_CREATE_SHARED_LIBRARY)
+
+# create a c++ shared module copy the shared library rule by default
+IF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
+ SET(CMAKE_CXX_CREATE_SHARED_MODULE ${CMAKE_CXX_CREATE_SHARED_LIBRARY})
+ENDIF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
+
+
+# Create a static archive incrementally for large object file counts.
+# If CMAKE_CXX_CREATE_STATIC_LIBRARY is set it will override these.
+IF(NOT DEFINED CMAKE_CXX_ARCHIVE_CREATE)
+ SET(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
+ENDIF()
+IF(NOT DEFINED CMAKE_CXX_ARCHIVE_APPEND)
+ SET(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
+ENDIF()
+IF(NOT DEFINED CMAKE_CXX_ARCHIVE_FINISH)
+ SET(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
+ENDIF()
+
+# compile a C++ file into an object file
+IF(NOT CMAKE_CXX_COMPILE_OBJECT)
+ SET(CMAKE_CXX_COMPILE_OBJECT
+ "<CMAKE_CXX_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
+ENDIF(NOT CMAKE_CXX_COMPILE_OBJECT)
+
+IF(NOT CMAKE_CXX_LINK_EXECUTABLE)
+ SET(CMAKE_CXX_LINK_EXECUTABLE
+ "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
+ENDIF(NOT CMAKE_CXX_LINK_EXECUTABLE)
+
+MARK_AS_ADVANCED(
+CMAKE_BUILD_TOOL
+CMAKE_VERBOSE_MAKEFILE
+CMAKE_CXX_FLAGS
+CMAKE_CXX_FLAGS_RELEASE
+CMAKE_CXX_FLAGS_RELWITHDEBINFO
+CMAKE_CXX_FLAGS_MINSIZEREL
+CMAKE_CXX_FLAGS_DEBUG)
+
+SET(CMAKE_CXX_INFORMATION_LOADED 1)
+