0b18ffe175
And other related cmake cleanup, including:
- Use CMAKE_CURRENT_LIST_DIR to find UseEigen3.cmake
- Use INSTALL_DIR term consistently for variable names
- Drop unnecessary extra EIGEN_INCLUDE_INSTALL_DIR
- Fix some paths in generated eigen3.pc and Eigen3Config.cmake files
missing CMAKE_INSTALL_PREFIX
- Fix pkgconfig directory choice ignored if it doesn't exist at configure
time (bug #711)
413 lines
16 KiB
CMake
413 lines
16 KiB
CMake
project(Eigen)
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cmake_minimum_required(VERSION 2.8.5)
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# guard against in-source builds
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if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
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message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there. You may need to remove CMakeCache.txt. ")
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endif()
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# guard against bad build-type strings
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if (NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release")
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endif()
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string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_tolower)
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if( NOT cmake_build_type_tolower STREQUAL "debug"
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AND NOT cmake_build_type_tolower STREQUAL "release"
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AND NOT cmake_build_type_tolower STREQUAL "relwithdebinfo")
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message(FATAL_ERROR "Unknown build type \"${CMAKE_BUILD_TYPE}\". Allowed values are Debug, Release, RelWithDebInfo (case-insensitive).")
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endif()
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#############################################################################
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# retrieve version infomation #
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#############################################################################
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# automatically parse the version number
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file(READ "${PROJECT_SOURCE_DIR}/Eigen/src/Core/util/Macros.h" _eigen_version_header)
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string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen_world_version_match "${_eigen_version_header}")
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set(EIGEN_WORLD_VERSION "${CMAKE_MATCH_1}")
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string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen_major_version_match "${_eigen_version_header}")
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set(EIGEN_MAJOR_VERSION "${CMAKE_MATCH_1}")
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string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen_minor_version_match "${_eigen_version_header}")
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set(EIGEN_MINOR_VERSION "${CMAKE_MATCH_1}")
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set(EIGEN_VERSION_NUMBER ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_MINOR_VERSION})
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# if the mercurial program is absent, this will leave the EIGEN_HG_CHANGESET string empty,
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# but won't stop CMake.
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execute_process(COMMAND hg tip -R ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE EIGEN_HGTIP_OUTPUT)
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execute_process(COMMAND hg branch -R ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE EIGEN_BRANCH_OUTPUT)
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# if this is the default (aka development) branch, extract the mercurial changeset number from the hg tip output...
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if(EIGEN_BRANCH_OUTPUT MATCHES "default")
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string(REGEX MATCH "^changeset: *[0-9]*:([0-9;a-f]+).*" EIGEN_HG_CHANGESET_MATCH "${EIGEN_HGTIP_OUTPUT}")
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set(EIGEN_HG_CHANGESET "${CMAKE_MATCH_1}")
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endif(EIGEN_BRANCH_OUTPUT MATCHES "default")
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#...and show it next to the version number
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if(EIGEN_HG_CHANGESET)
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set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (mercurial changeset ${EIGEN_HG_CHANGESET})")
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else(EIGEN_HG_CHANGESET)
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set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER}")
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endif(EIGEN_HG_CHANGESET)
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include(CheckCXXCompilerFlag)
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include(GNUInstallDirs)
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set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
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#############################################################################
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# find how to link to the standard libraries #
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#############################################################################
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find_package(StandardMathLibrary)
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set(EIGEN_TEST_CUSTOM_LINKER_FLAGS "" CACHE STRING "Additional linker flags when linking unit tests.")
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set(EIGEN_TEST_CUSTOM_CXX_FLAGS "" CACHE STRING "Additional compiler flags when compiling unit tests.")
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set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "")
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if(NOT STANDARD_MATH_LIBRARY_FOUND)
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message(FATAL_ERROR
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"Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.")
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else()
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if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
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set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}")
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else()
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set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}")
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endif()
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endif()
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if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
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message(STATUS "Standard libraries to link to explicitly: ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO}")
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else()
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message(STATUS "Standard libraries to link to explicitly: none")
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endif()
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option(EIGEN_BUILD_BTL "Build benchmark suite" OFF)
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if(NOT WIN32)
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option(EIGEN_BUILD_PKGCONFIG "Build pkg-config .pc file for Eigen" ON)
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endif(NOT WIN32)
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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option(EIGEN_SPLIT_LARGE_TESTS "Split large tests into smaller executables" ON)
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option(EIGEN_DEFAULT_TO_ROW_MAJOR "Use row-major as default matrix storage order" OFF)
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if(EIGEN_DEFAULT_TO_ROW_MAJOR)
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add_definitions("-DEIGEN_DEFAULT_TO_ROW_MAJOR")
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endif()
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set(EIGEN_TEST_MAX_SIZE "320" CACHE STRING "Maximal matrix/vector size, default is 320")
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macro(ei_add_cxx_compiler_flag FLAG)
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string(REGEX REPLACE "-" "" SFLAG ${FLAG})
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check_cxx_compiler_flag(${FLAG} COMPILER_SUPPORT_${SFLAG})
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if(COMPILER_SUPPORT_${SFLAG})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG}")
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endif()
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endmacro(ei_add_cxx_compiler_flag)
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if(NOT MSVC)
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# We assume that other compilers are partly compatible with GNUCC
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
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set(CMAKE_CXX_FLAGS_DEBUG "-g3")
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set(CMAKE_CXX_FLAGS_RELEASE "-g0 -O2")
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# clang outputs some warnings for unknwon flags that are not caught by check_cxx_compiler_flag
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# adding -Werror turns such warnings into errors
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check_cxx_compiler_flag("-Werror" COMPILER_SUPPORT_WERROR)
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if(COMPILER_SUPPORT_WERROR)
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set(CMAKE_REQUIRED_FLAGS "-Werror")
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endif()
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ei_add_cxx_compiler_flag("-pedantic")
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ei_add_cxx_compiler_flag("-Wall")
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ei_add_cxx_compiler_flag("-Wextra")
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#ei_add_cxx_compiler_flag("-Weverything") # clang
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ei_add_cxx_compiler_flag("-Wundef")
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ei_add_cxx_compiler_flag("-Wcast-align")
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ei_add_cxx_compiler_flag("-Wchar-subscripts")
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ei_add_cxx_compiler_flag("-Wnon-virtual-dtor")
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ei_add_cxx_compiler_flag("-Wunused-local-typedefs")
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ei_add_cxx_compiler_flag("-Wpointer-arith")
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ei_add_cxx_compiler_flag("-Wwrite-strings")
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ei_add_cxx_compiler_flag("-Wformat-security")
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ei_add_cxx_compiler_flag("-Wno-psabi")
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ei_add_cxx_compiler_flag("-Wno-variadic-macros")
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ei_add_cxx_compiler_flag("-Wno-long-long")
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ei_add_cxx_compiler_flag("-fno-check-new")
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ei_add_cxx_compiler_flag("-fno-common")
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ei_add_cxx_compiler_flag("-fstrict-aliasing")
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ei_add_cxx_compiler_flag("-wd981") # disable ICC's "operands are evaluated in unspecified order" remark
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ei_add_cxx_compiler_flag("-wd2304") # disbale ICC's "warning #2304: non-explicit constructor with single argument may cause implicit type conversion" produced by -Wnon-virtual-dtor
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# The -ansi flag must be added last, otherwise it is also used as a linker flag by check_cxx_compiler_flag making it fails
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# Moreover we should not set both -strict-ansi and -ansi
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check_cxx_compiler_flag("-strict-ansi" COMPILER_SUPPORT_STRICTANSI)
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ei_add_cxx_compiler_flag("-Qunused-arguments") # disable clang warning: argument unused during compilation: '-ansi'
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if(COMPILER_SUPPORT_STRICTANSI)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -strict-ansi")
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else()
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ei_add_cxx_compiler_flag("-ansi")
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endif()
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set(CMAKE_REQUIRED_FLAGS "")
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option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF)
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if(EIGEN_TEST_SSE2)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
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message(STATUS "Enabling SSE2 in tests/examples")
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endif()
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option(EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF)
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if(EIGEN_TEST_SSE3)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3")
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message(STATUS "Enabling SSE3 in tests/examples")
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endif()
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option(EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF)
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if(EIGEN_TEST_SSSE3)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3")
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message(STATUS "Enabling SSSE3 in tests/examples")
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endif()
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option(EIGEN_TEST_SSE4_1 "Enable/Disable SSE4.1 in tests/examples" OFF)
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if(EIGEN_TEST_SSE4_1)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
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message(STATUS "Enabling SSE4.1 in tests/examples")
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endif()
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option(EIGEN_TEST_SSE4_2 "Enable/Disable SSE4.2 in tests/examples" OFF)
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if(EIGEN_TEST_SSE4_2)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
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message(STATUS "Enabling SSE4.2 in tests/examples")
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endif()
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option(EIGEN_TEST_ALTIVEC "Enable/Disable AltiVec in tests/examples" OFF)
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if(EIGEN_TEST_ALTIVEC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec")
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message(STATUS "Enabling AltiVec in tests/examples")
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endif()
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option(EIGEN_TEST_NEON "Enable/Disable Neon in tests/examples" OFF)
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if(EIGEN_TEST_NEON)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon -mcpu=cortex-a8")
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message(STATUS "Enabling NEON in tests/examples")
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endif()
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check_cxx_compiler_flag("-fopenmp" COMPILER_SUPPORT_OPENMP)
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if(COMPILER_SUPPORT_OPENMP)
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option(EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF)
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if(EIGEN_TEST_OPENMP)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")
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message(STATUS "Enabling OpenMP in tests/examples")
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endif()
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endif()
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else(NOT MSVC)
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# C4127 - conditional expression is constant
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# C4714 - marked as __forceinline not inlined (I failed to deactivate it selectively)
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# We can disable this warning in the unit tests since it is clear that it occurs
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# because we are oftentimes returning objects that have a destructor or may
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# throw exceptions - in particular in the unit tests we are throwing extra many
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# exceptions to cover indexing errors.
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# C4505 - unreferenced local function has been removed (impossible to deactive selectively)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /wd4127 /wd4505 /wd4714")
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# replace all /Wx by /W4
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string(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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check_cxx_compiler_flag("/openmp" COMPILER_SUPPORT_OPENMP)
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if(COMPILER_SUPPORT_OPENMP)
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option(EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF)
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if(EIGEN_TEST_OPENMP)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp")
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message(STATUS "Enabling OpenMP in tests/examples")
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endif()
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endif()
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option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF)
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if(EIGEN_TEST_SSE2)
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if(NOT CMAKE_CL_64)
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# arch is not supported on 64 bit systems, SSE is enabled automatically.
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
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endif(NOT CMAKE_CL_64)
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message(STATUS "Enabling SSE2 in tests/examples")
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endif(EIGEN_TEST_SSE2)
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endif(NOT MSVC)
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option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF)
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option(EIGEN_TEST_X87 "Force using X87 instructions. Implies no vectorization." OFF)
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option(EIGEN_TEST_32BIT "Force generating 32bit code." OFF)
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if(EIGEN_TEST_X87)
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set(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION ON)
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=387")
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message(STATUS "Forcing use of x87 instructions in tests/examples")
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else()
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message(STATUS "EIGEN_TEST_X87 ignored on your compiler")
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endif()
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endif()
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if(EIGEN_TEST_32BIT)
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
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message(STATUS "Forcing generation of 32-bit code in tests/examples")
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else()
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message(STATUS "EIGEN_TEST_32BIT ignored on your compiler")
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endif()
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endif()
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if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
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add_definitions(-DEIGEN_DONT_VECTORIZE=1)
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message(STATUS "Disabling vectorization in tests/examples")
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endif()
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option(EIGEN_TEST_NO_EXPLICIT_ALIGNMENT "Disable explicit alignment (hence vectorization) in tests/examples" OFF)
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if(EIGEN_TEST_NO_EXPLICIT_ALIGNMENT)
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add_definitions(-DEIGEN_DONT_ALIGN=1)
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message(STATUS "Disabling alignment in tests/examples")
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endif()
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option(EIGEN_TEST_C++0x "Enables all C++0x features." OFF)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
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# Backward compatibility support for EIGEN_INCLUDE_INSTALL_DIR
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if(EIGEN_INCLUDE_INSTALL_DIR AND NOT INCLUDE_INSTALL_DIR)
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set(INCLUDE_INSTALL_DIR ${EIGEN_INCLUDE_INSTALL_DIR}
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CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed")
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else()
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set(INCLUDE_INSTALL_DIR
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"${CMAKE_INSTALL_INCLUDEDIR}/eigen3"
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CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed"
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)
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endif()
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set(CMAKEPACKAGE_INSTALL_DIR
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"${CMAKE_INSTALL_LIBDIR}/cmake/eigen3"
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CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen3Config.cmake is installed"
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)
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set(PKGCONFIG_INSTALL_DIR
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"${CMAKE_INSTALL_DATADIR}/pkgconfig"
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CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where eigen3.pc is installed"
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)
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# similar to set_target_properties but append the property instead of overwriting it
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macro(ei_add_target_property target prop value)
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get_target_property(previous ${target} ${prop})
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# if the property wasn't previously set, ${previous} is now "previous-NOTFOUND" which cmake allows catching with plain if()
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if(NOT previous)
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set(previous "")
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endif(NOT previous)
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set_target_properties(${target} PROPERTIES ${prop} "${previous} ${value}")
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endmacro(ei_add_target_property)
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install(FILES
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signature_of_eigen3_matrix_library
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DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel
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)
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if(EIGEN_BUILD_PKGCONFIG)
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configure_file(eigen3.pc.in eigen3.pc @ONLY)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eigen3.pc
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DESTINATION ${PKGCONFIG_INSTALL_DIR}
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)
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endif(EIGEN_BUILD_PKGCONFIG)
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add_subdirectory(Eigen)
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add_subdirectory(doc EXCLUDE_FROM_ALL)
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include(EigenConfigureTesting)
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# fixme, not sure this line is still needed:
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enable_testing() # must be called from the root CMakeLists, see man page
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if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
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add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
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else()
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add_subdirectory(test EXCLUDE_FROM_ALL)
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endif()
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if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
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add_subdirectory(blas)
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add_subdirectory(lapack)
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else()
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add_subdirectory(blas EXCLUDE_FROM_ALL)
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add_subdirectory(lapack EXCLUDE_FROM_ALL)
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endif()
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add_subdirectory(unsupported)
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add_subdirectory(demos EXCLUDE_FROM_ALL)
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# must be after test and unsupported, for configuring buildtests.in
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add_subdirectory(scripts EXCLUDE_FROM_ALL)
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# TODO: consider also replacing EIGEN_BUILD_BTL by a custom target "make btl"?
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if(EIGEN_BUILD_BTL)
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add_subdirectory(bench/btl EXCLUDE_FROM_ALL)
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endif(EIGEN_BUILD_BTL)
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if(NOT WIN32)
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add_subdirectory(bench/spbench EXCLUDE_FROM_ALL)
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endif(NOT WIN32)
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configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY)
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ei_testing_print_summary()
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message(STATUS "")
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message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}")
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message(STATUS "")
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option(EIGEN_FAILTEST "Enable failtests." OFF)
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if(EIGEN_FAILTEST)
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add_subdirectory(failtest)
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endif()
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string(TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower)
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if(cmake_generator_tolower MATCHES "makefile")
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message(STATUS "Some things you can do now:")
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message(STATUS "--------------+--------------------------------------------------------------")
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message(STATUS "Command | Description")
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message(STATUS "--------------+--------------------------------------------------------------")
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message(STATUS "make install | Install Eigen. Headers will be installed to:")
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message(STATUS " | <CMAKE_INSTALL_PREFIX>/<INCLUDE_INSTALL_DIR>")
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message(STATUS " | Using the following values:")
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message(STATUS " | CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
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message(STATUS " | INCLUDE_INSTALL_DIR: ${INCLUDE_INSTALL_DIR}")
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message(STATUS " | Change the install location of Eigen headers using:")
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message(STATUS " | cmake . -DCMAKE_INSTALL_PREFIX=yourprefix")
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message(STATUS " | Or:")
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message(STATUS " | cmake . -DINCLUDE_INSTALL_DIR=yourdir")
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message(STATUS "make doc | Generate the API documentation, requires Doxygen & LaTeX")
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message(STATUS "make check | Build and run the unit-tests. Read this page:")
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message(STATUS " | http://eigen.tuxfamily.org/index.php?title=Tests")
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message(STATUS "make blas | Build BLAS library (not the same thing as Eigen)")
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message(STATUS "--------------+--------------------------------------------------------------")
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else()
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message(STATUS "To build/run the unit tests, read this page:")
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message(STATUS " http://eigen.tuxfamily.org/index.php?title=Tests")
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endif()
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message(STATUS "")
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