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project(Eigen)
set(EIGEN_VERSION_NUMBER "2.0-beta5")
#if the svnversion program is absent, this will leave the SVN_REVISION string empty,
#but won't stop CMake.
execute_process(COMMAND svnversion -n ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE EIGEN_SVNVERSION_OUTPUT)
#we only want EIGEN_SVN_REVISION if it is an actual revision number, not a string like "exported"
string(REGEX MATCH "^[0-9]+.*" EIGEN_SVN_REVISION "${EIGEN_SVNVERSION_OUTPUT}")
if(EIGEN_SVN_REVISION)
set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (SVN revision ${EIGEN_SVN_REVISION})")
else(EIGEN_SVN_REVISION)
set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER}")
endif(EIGEN_SVN_REVISION)
cmake_minimum_required(VERSION 2.6.2)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
option(EIGEN_BUILD_TESTS "Build tests" OFF)
option(EIGEN_BUILD_DEMOS "Build demos" OFF)
if(NOT WIN32)
option(EIGEN_BUILD_LIB "Build the binary shared library" OFF)
endif(NOT WIN32)
option(EIGEN_BUILD_BTL "Build benchmark suite" OFF)
if(EIGEN_BUILD_LIB)
option(EIGEN_TEST_LIB "Build the unit tests using the library (disable -pedantic)" OFF)
endif(EIGEN_BUILD_LIB)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(CMAKE_COMPILER_IS_GNUCXX)
if(CMAKE_SYSTEM_NAME MATCHES Linux)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wextra -fno-exceptions -fno-check-new -fno-common -fstrict-aliasing")
if(NOT EIGEN_TEST_LIB)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
endif(NOT EIGEN_TEST_LIB)
option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF)
if(EIGEN_TEST_SSE2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
message("Enabling SSE2 in tests/examples")
endif(EIGEN_TEST_SSE2)
option(EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF)
if(EIGEN_TEST_SSE3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3")
message("Enabling SSE3 in tests/examples")
endif(EIGEN_TEST_SSE3)
option(EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF)
if(EIGEN_TEST_SSSE3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3")
message("Enabling SSSE3 in tests/examples")
endif(EIGEN_TEST_SSSE3)
option(EIGEN_TEST_ALTIVEC "Enable/Disable altivec in tests/examples" OFF)
if(EIGEN_TEST_ALTIVEC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec")
message("Enabling AltiVec in tests/examples")
endif(EIGEN_TEST_ALTIVEC)
endif(CMAKE_SYSTEM_NAME MATCHES Linux)
endif(CMAKE_COMPILER_IS_GNUCXX)
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ")
option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF)
if(EIGEN_TEST_SSE2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
message("Enabling SSE2 in tests/examples")
endif(EIGEN_TEST_SSE2)
endif(MSVC)
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
add_subdirectory(Eigen)
if(EIGEN_BUILD_TESTS)
add_subdirectory(test)
endif(EIGEN_BUILD_TESTS)
add_subdirectory(doc)
if(EIGEN_BUILD_DEMOS)
add_subdirectory(demos)
endif(EIGEN_BUILD_DEMOS)
if(EIGEN_BUILD_BTL)
add_subdirectory(bench/btl)
endif(EIGEN_BUILD_BTL)
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