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Common.cmake
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Common.cmake
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include(CMakeDependentOption)
enable_language(C)
enable_language(CXX)
#-----------------------------------------------------------------------------
# Prerequisites
#-----------------------------------------------------------------------------
find_package(Subversion)
if(NOT Subversion_FOUND)
message(WARNING "SVN may be needed to download external dependencies. Install SVN and try to re-configure")
endif()
find_package(Git)
if(NOT GIT_FOUND)
message(WARNING "Git may be needed to download external dependencies: Install Git and try to re-configure")
endif()
option(USE_GIT_PROTOCOL "If behind a firewall turn this off to use http instead." ON)
if(NOT USE_GIT_PROTOCOL)
set(git_protocol "http")
else(NOT USE_GIT_PROTOCOL)
set(git_protocol "git")
endif()
# Platform check
#-----------------------------------------------------------------------------
set(PLATFORM_CHECK true)
if(PLATFORM_CHECK)
# See CMake/Modules/Platform/Darwin.cmake)
# 6.x == Mac OSX 10.2 (Jaguar)
# 7.x == Mac OSX 10.3 (Panther)
# 8.x == Mac OSX 10.4 (Tiger)
# 9.x == Mac OSX 10.5 (Leopard)
# 10.x == Mac OSX 10.6 (Snow Leopard)
if (DARWIN_MAJOR_VERSION LESS "9")
message(FATAL_ERROR "Only Mac OSX >= 10.5 are supported !")
endif()
endif()
if( WIN32 )
set( fileextension ".exe" )
endif()
option( BUILD_TESTING "Build the testing tree" ON )
#-----------------------------------------------------------------------------
# Set a default build type if none was specified
#-----------------------------------------------------------------------------
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'Release' as none was specified.")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
#-----------------------------------------------------------------------------
# Update CMake module path
#------------------------------------------------------------------------------
set(CMAKE_MODULE_PATH
${CMAKE_CURRENT_SOURCE_DIR}/CMake
${CMAKE_CURRENT_BINARY_DIR}/CMake
${CMAKE_MODULE_PATH}
)
#-----------------------------------------------------------------------------
# Sanity checks
#------------------------------------------------------------------------------
include(PreventInSourceBuilds)
include(PreventInBuildInstalls)
include(SlicerExtensionsConfigureMacros)
#-----------------------------------------------------------------------------
# CMake Function(s) and Macro(s)
#-----------------------------------------------------------------------------
include(CMakeParseArguments)
include(SlicerMacroEmptyExternalProject)
include(SlicerMacroCheckExternalProjectDependency)
include(ExternalProject)
if(CMAKE_EXTRA_GENERATOR)
set(gen "${CMAKE_EXTRA_GENERATOR} - ${CMAKE_GENERATOR}")
else()
set(gen "${CMAKE_GENERATOR}")
endif()
#-----------------------------------------------------------------------------
if(NOT COMMAND SETIFEMPTY)
macro(SETIFEMPTY)
set(KEY ${ARGV0})
set(VALUE ${ARGV1})
if(NOT ${KEY})
set(${ARGV})
endif()
endmacro()
endif()
#-------------------------------------------------------------------------
# Augment compiler flags
#-------------------------------------------------------------------------
include(ITKSetStandardCompilerFlags)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_DEBUG_DESIRED_FLAGS}" )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_DEBUG_DESIRED_FLAGS}" )
else() # Release, or anything else
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_RELEASE_DESIRED_FLAGS}" )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_RELEASE_DESIRED_FLAGS}" )
endif()
#-----------------------------------------------------------------------------
# Add needed flag for gnu on linux like enviroments to build static common libs
# suitable for linking with shared object libs.
#if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
# if(NOT "${CMAKE_CXX_FLAGS}" MATCHES "-fPIC")
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
# endif()
# if(NOT "${CMAKE_C_FLAGS}" MATCHES "-fPIC")
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
# endif()
#endif()