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# cmake_minimum_require must be the first command of the file
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cmake_minimum_required ( VERSION 3.5.0 )
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# NOTE Remove setting the policy once the minimum required CMake version is
# increased to at least 3.15. Retain enabling the export to package registry.
if ( POLICY CMP0090 )
# The export command does not populate package registry by default
cmake_policy ( SET CMP0090 NEW )
# Unless otherwise specified, always export to package registry to ensure
# backwards compatibility.
if ( NOT DEFINED CMAKE_EXPORT_PACKAGE_REGISTRY )
set ( CMAKE_EXPORT_PACKAGE_REGISTRY ON )
endif ( NOT DEFINED CMAKE_EXPORT_PACKAGE_REGISTRY )
endif ( POLICY CMP0090 )
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project ( Eigen3 )
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# Remove this block after bumping CMake to v3.21.0
# PROJECT_IS_TOP_LEVEL is defined then by default
if ( CMAKE_VERSION VERSION_LESS 3.21.0 )
if ( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
set ( PROJECT_IS_TOP_LEVEL TRUE )
else ( )
set ( PROJECT_IS_TOP_LEVEL FALSE )
endif ( )
endif ( )
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set ( CMAKE_CXX_STANDARD 11 CACHE STRING "Default C++ standard" )
set ( CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Require C++ standard" )
set ( CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Allow C++ extensions" )
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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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# Alias Eigen_*_DIR to Eigen3_*_DIR:
set ( Eigen_SOURCE_DIR ${ Eigen3_SOURCE_DIR } )
set ( Eigen_BINARY_DIR ${ Eigen3_BINARY_DIR } )
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# guard against bad build-type strings
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if ( NOT CMAKE_BUILD_TYPE )
set ( CMAKE_BUILD_TYPE "Release" )
endif ( )
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#############################################################################
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# retrieve version information #
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#############################################################################
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# automatically parse the version number
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file ( READ "${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 "${_eigen_version_header}" )
set ( EIGEN_WORLD_VERSION "${CMAKE_MATCH_1}" )
string ( REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen_major_version_match "${_eigen_version_header}" )
set ( EIGEN_MAJOR_VERSION "${CMAKE_MATCH_1}" )
string ( REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen_minor_version_match "${_eigen_version_header}" )
set ( EIGEN_MINOR_VERSION "${CMAKE_MATCH_1}" )
set ( EIGEN_VERSION_NUMBER ${ EIGEN_WORLD_VERSION } . ${ EIGEN_MAJOR_VERSION } . ${ EIGEN_MINOR_VERSION } )
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# if we are not in a git clone
if ( IS_DIRECTORY ${ CMAKE_SOURCE_DIR } /.git )
# if the git program is absent or this will leave the EIGEN_GIT_REVNUM string empty,
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# but won't stop CMake.
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execute_process ( COMMAND git ls-remote --refs -q ${ CMAKE_SOURCE_DIR } HEAD OUTPUT_VARIABLE EIGEN_GIT_OUTPUT )
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endif ( )
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# extract the git rev number from the git output...
if ( EIGEN_GIT_OUTPUT )
string ( REGEX MATCH "^([0-9;a-f]+).*" EIGEN_GIT_CHANGESET_MATCH "${EIGEN_GIT_OUTPUT}" )
set ( EIGEN_GIT_REVNUM "${CMAKE_MATCH_1}" )
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endif ( )
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#...and show it next to the version number
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if ( EIGEN_GIT_REVNUM )
set ( EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (git rev ${EIGEN_GIT_REVNUM})" )
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else ( )
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set ( EIGEN_VERSION "${EIGEN_VERSION_NUMBER}" )
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endif ( )
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include ( CheckCXXCompilerFlag )
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include ( GNUInstallDirs )
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include ( CMakeDependentOption )
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set ( CMAKE_MODULE_PATH ${ PROJECT_SOURCE_DIR } /cmake )
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option ( EIGEN_TEST_CXX11 "Enable testing of unsupported CXX11 tests (i.e. those starting with cxx11_)." OFF )
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macro ( ei_add_cxx_compiler_flag FLAG )
string ( REGEX REPLACE "-" "" SFLAG1 ${ FLAG } )
string ( REGEX REPLACE "\\+" "p" SFLAG ${ SFLAG1 } )
check_cxx_compiler_flag ( ${ FLAG } COMPILER_SUPPORT_ ${ SFLAG } )
if ( COMPILER_SUPPORT_ ${ SFLAG } )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG}" )
endif ( )
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endmacro ( )
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# Determine if we should build shared libraries on this platform.
get_cmake_property ( EIGEN_BUILD_SHARED_LIBS TARGET_SUPPORTS_SHARED_LIBS )
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#############################################################################
# find how to link to the standard libraries #
#############################################################################
find_package ( StandardMathLibrary )
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set ( EIGEN_TEST_CUSTOM_LINKER_FLAGS "" CACHE STRING "Additional linker flags when linking unit tests." )
set ( EIGEN_TEST_CUSTOM_CXX_FLAGS "" CACHE STRING "Additional compiler flags when compiling unit tests." )
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set ( EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "" )
if ( NOT STANDARD_MATH_LIBRARY_FOUND )
message ( FATAL_ERROR
" C a n ' t l i n k t o t h e s t a n d a r d m a t h l i b r a r y . P l e a s e r e p o r t t o t h e E i g e n d e v e l o p e r s , t e l l i n g t h e m a b o u t y o u r p l a t f o r m . " )
else ( )
if ( EIGEN_STANDARD_LIBRARIES_TO_LINK_TO )
set ( EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}" )
else ( )
set ( EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}" )
endif ( )
endif ( )
if ( EIGEN_STANDARD_LIBRARIES_TO_LINK_TO )
message ( STATUS "Standard libraries to link to explicitly: ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO}" )
else ( )
message ( STATUS "Standard libraries to link to explicitly: none" )
endif ( )
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option ( EIGEN_BUILD_BTL "Build benchmark suite" OFF )
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# Disable pkgconfig only for native Windows builds
if ( NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows )
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option ( EIGEN_BUILD_PKGCONFIG "Build pkg-config .pc file for Eigen" ON )
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endif ( )
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set ( CMAKE_INCLUDE_CURRENT_DIR OFF )
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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 )
if ( EIGEN_DEFAULT_TO_ROW_MAJOR )
add_definitions ( "-DEIGEN_DEFAULT_TO_ROW_MAJOR" )
endif ( )
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set ( EIGEN_TEST_MAX_SIZE "320" CACHE STRING "Maximal matrix/vector size, default is 320" )
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if ( NOT MSVC )
# We assume that other compilers are partly compatible with GNUCC
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# clang outputs some warnings for unknown flags that are not caught by check_cxx_compiler_flag
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# adding -Werror turns such warnings into errors
check_cxx_compiler_flag ( "-Werror" COMPILER_SUPPORT_WERROR )
if ( COMPILER_SUPPORT_WERROR )
set ( CMAKE_REQUIRED_FLAGS "-Werror" )
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endif ( )
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ei_add_cxx_compiler_flag ( "-pedantic" )
ei_add_cxx_compiler_flag ( "-Wall" )
ei_add_cxx_compiler_flag ( "-Wextra" )
#ei_add_cxx_compiler_flag("-Weverything") # clang
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ei_add_cxx_compiler_flag ( "-Wundef" )
ei_add_cxx_compiler_flag ( "-Wcast-align" )
ei_add_cxx_compiler_flag ( "-Wchar-subscripts" )
ei_add_cxx_compiler_flag ( "-Wnon-virtual-dtor" )
ei_add_cxx_compiler_flag ( "-Wunused-local-typedefs" )
ei_add_cxx_compiler_flag ( "-Wpointer-arith" )
ei_add_cxx_compiler_flag ( "-Wwrite-strings" )
ei_add_cxx_compiler_flag ( "-Wformat-security" )
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ei_add_cxx_compiler_flag ( "-Wshorten-64-to-32" )
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ei_add_cxx_compiler_flag ( "-Wlogical-op" )
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ei_add_cxx_compiler_flag ( "-Wenum-conversion" )
ei_add_cxx_compiler_flag ( "-Wc++11-extensions" )
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ei_add_cxx_compiler_flag ( "-Wdouble-promotion" )
# ei_add_cxx_compiler_flag("-Wconversion")
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ei_add_cxx_compiler_flag ( "-Wshadow" )
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ei_add_cxx_compiler_flag ( "-Wno-psabi" )
ei_add_cxx_compiler_flag ( "-Wno-variadic-macros" )
ei_add_cxx_compiler_flag ( "-Wno-long-long" )
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ei_add_cxx_compiler_flag ( "-fno-check-new" )
ei_add_cxx_compiler_flag ( "-fno-common" )
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" ) # disable ICC's "warning #2304: non-explicit constructor with single argument may cause implicit type conversion" produced by -Wnon-virtual-dtor
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if ( ANDROID_NDK )
ei_add_cxx_compiler_flag ( "-pie" )
ei_add_cxx_compiler_flag ( "-fPIE" )
endif ( )
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set ( CMAKE_REQUIRED_FLAGS "" )
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option ( EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF )
if ( EIGEN_TEST_SSE2 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2" )
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message ( STATUS "Enabling SSE2 in tests/examples" )
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endif ( )
option ( EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF )
if ( EIGEN_TEST_SSE3 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3" )
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message ( STATUS "Enabling SSE3 in tests/examples" )
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endif ( )
option ( EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF )
if ( EIGEN_TEST_SSSE3 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3" )
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message ( STATUS "Enabling SSSE3 in tests/examples" )
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endif ( )
option ( EIGEN_TEST_SSE4_1 "Enable/Disable SSE4.1 in tests/examples" OFF )
if ( EIGEN_TEST_SSE4_1 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1" )
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message ( STATUS "Enabling SSE4.1 in tests/examples" )
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endif ( )
option ( EIGEN_TEST_SSE4_2 "Enable/Disable SSE4.2 in tests/examples" OFF )
if ( EIGEN_TEST_SSE4_2 )
set ( CMAKE_CXX_FLAGS "${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_AVX "Enable/Disable AVX in tests/examples" OFF )
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if ( EIGEN_TEST_AVX )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx" )
message ( STATUS "Enabling AVX in tests/examples" )
endif ( )
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option ( EIGEN_TEST_FMA "Enable/Disable FMA in tests/examples" OFF )
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if ( EIGEN_TEST_FMA AND NOT EIGEN_TEST_NEON )
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfma" )
message ( STATUS "Enabling FMA in tests/examples" )
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endif ( )
option ( EIGEN_TEST_AVX2 "Enable/Disable AVX2 in tests/examples" OFF )
if ( EIGEN_TEST_AVX2 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2 -mfma" )
message ( STATUS "Enabling AVX2 in tests/examples" )
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endif ( )
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option ( EIGEN_TEST_AVX512 "Enable/Disable AVX512 in tests/examples" OFF )
if ( EIGEN_TEST_AVX512 )
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mfma" )
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message ( STATUS "Enabling AVX512 in tests/examples" )
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endif ( )
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option ( EIGEN_TEST_AVX512DQ "Enable/Disable AVX512DQ in tests/examples" OFF )
if ( EIGEN_TEST_AVX512DQ )
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512dq -mfma" )
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message ( STATUS "Enabling AVX512DQ in tests/examples" )
endif ( )
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option ( EIGEN_TEST_F16C "Enable/Disable F16C in tests/examples" OFF )
if ( EIGEN_TEST_F16C )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mf16c" )
message ( STATUS "Enabling F16C 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 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec" )
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message ( STATUS "Enabling AltiVec in tests/examples" )
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endif ( )
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option ( EIGEN_TEST_VSX "Enable/Disable VSX in tests/examples" OFF )
if ( EIGEN_TEST_VSX )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64 -mvsx" )
message ( STATUS "Enabling VSX in tests/examples" )
endif ( )
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option ( EIGEN_TEST_MSA "Enable/Disable MSA in tests/examples" OFF )
if ( EIGEN_TEST_MSA )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmsa" )
message ( STATUS "Enabling MSA in tests/examples" )
endif ( )
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option ( EIGEN_TEST_NEON "Enable/Disable Neon in tests/examples" OFF )
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if ( EIGEN_TEST_NEON )
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if ( EIGEN_TEST_FMA )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon-vfpv4" )
else ( )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon" )
endif ( )
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard" )
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message ( STATUS "Enabling NEON in tests/examples" )
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endif ( )
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option ( EIGEN_TEST_NEON64 "Enable/Disable Neon in tests/examples" OFF )
if ( EIGEN_TEST_NEON64 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
message ( STATUS "Enabling NEON in tests/examples" )
endif ( )
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option ( EIGEN_TEST_Z13 "Enable/Disable S390X(zEC13) ZVECTOR in tests/examples" OFF )
if ( EIGEN_TEST_Z13 )
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=z13 -mzvector" )
message ( STATUS "Enabling S390X(zEC13) ZVECTOR in tests/examples" )
endif ( )
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option ( EIGEN_TEST_Z14 "Enable/Disable S390X(zEC14) ZVECTOR in tests/examples" OFF )
if ( EIGEN_TEST_Z14 )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=z14 -mzvector" )
message ( STATUS "Enabling S390X(zEC13) ZVECTOR in tests/examples" )
endif ( )
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check_cxx_compiler_flag ( "-fopenmp" COMPILER_SUPPORT_OPENMP )
if ( COMPILER_SUPPORT_OPENMP )
option ( EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF )
if ( EIGEN_TEST_OPENMP )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp" )
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message ( STATUS "Enabling OpenMP in tests/examples" )
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endif ( )
endif ( )
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else ( )
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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)
# We can disable this warning in the unit tests since it is clear that it occurs
# because we are oftentimes returning objects that have a destructor or may
# throw exceptions - in particular in the unit tests we are throwing extra many
# exceptions to cover indexing errors.
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# C4505 - unreferenced local function has been removed (impossible to deactivate 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 )
if ( COMPILER_SUPPORT_OPENMP )
option ( EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF )
if ( EIGEN_TEST_OPENMP )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp" )
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message ( STATUS "Enabling OpenMP in tests/examples" )
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endif ( )
endif ( )
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option ( EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF )
if ( EIGEN_TEST_SSE2 )
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if ( NOT CMAKE_CL_64 )
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# arch is not supported on 64 bit systems, SSE is enabled automatically.
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set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2" )
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endif ( )
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message ( STATUS "Enabling SSE2 in tests/examples" )
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endif ( )
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option ( EIGEN_TEST_AVX "Enable/Disable AVX in tests/examples" OFF )
if ( EIGEN_TEST_AVX )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX" )
message ( STATUS "Enabling AVX in tests/examples" )
endif ( )
option ( EIGEN_TEST_FMA "Enable/Disable FMA/AVX2 in tests/examples" OFF )
if ( EIGEN_TEST_FMA AND NOT EIGEN_TEST_NEON )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2" )
message ( STATUS "Enabling FMA/AVX2 in tests/examples" )
endif ( )
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endif ( )
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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 )
set ( EIGEN_TEST_NO_EXPLICIT_VECTORIZATION ON )
if ( CMAKE_COMPILER_IS_GNUCXX )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=387" )
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message ( STATUS "Forcing use of x87 instructions in tests/examples" )
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else ( )
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message ( STATUS "EIGEN_TEST_X87 ignored on your compiler" )
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endif ( )
endif ( )
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if ( EIGEN_TEST_32BIT )
if ( CMAKE_COMPILER_IS_GNUCXX )
set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32" )
message ( STATUS "Forcing generation of 32-bit code in tests/examples" )
else ( )
message ( STATUS "EIGEN_TEST_32BIT ignored on your compiler" )
endif ( )
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 ( )
option ( EIGEN_TEST_NO_EXPLICIT_ALIGNMENT "Disable explicit alignment (hence vectorization) in tests/examples" OFF )
if ( EIGEN_TEST_NO_EXPLICIT_ALIGNMENT )
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_NO_EXCEPTIONS "Disables C++ exceptions" OFF )
if ( EIGEN_TEST_NO_EXCEPTIONS )
ei_add_cxx_compiler_flag ( "-fno-exceptions" )
message ( STATUS "Disabling exceptions in tests/examples" )
endif ( )
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set ( EIGEN_CUDA_CXX_FLAGS "" CACHE STRING "Additional flags to pass to the cuda compiler." )
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set ( EIGEN_CUDA_COMPUTE_ARCH 30 CACHE STRING "The CUDA compute architecture(s) to target when compiling CUDA code" )
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include_directories ( ${ CMAKE_CURRENT_SOURCE_DIR } )
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# Backward compatibility support for EIGEN_INCLUDE_INSTALL_DIR
if ( EIGEN_INCLUDE_INSTALL_DIR )
message ( WARNING "EIGEN_INCLUDE_INSTALL_DIR is deprecated. Use INCLUDE_INSTALL_DIR instead." )
endif ( )
if ( EIGEN_INCLUDE_INSTALL_DIR AND NOT INCLUDE_INSTALL_DIR )
set ( INCLUDE_INSTALL_DIR ${ EIGEN_INCLUDE_INSTALL_DIR }
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C A C H E P A T H " T h e d i r e c t o r y r e l a t i v e t o C M A K E _ I N S T A L L _ P R E F I X w h e r e E i g e n h e a d e r f i l e s a r e i n s t a l l e d " )
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else ( )
set ( INCLUDE_INSTALL_DIR
" $ { C M A K E _ I N S T A L L _ I N C L U D E D I R } / e i g e n 3 "
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C A C H E P A T H " T h e d i r e c t o r y r e l a t i v e t o C M A K E _ I N S T A L L _ P R E F I X w h e r e E i g e n h e a d e r f i l e s a r e i n s t a l l e d "
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)
endif ( )
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set ( CMAKEPACKAGE_INSTALL_DIR
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" $ { C M A K E _ I N S T A L L _ D A T A D I R } / e i g e n 3 / c m a k e "
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C A C H E P A T H " T h e d i r e c t o r y r e l a t i v e t o C M A K E _ I N S T A L L _ P R E F I X w h e r e E i g e n 3 C o n f i g . c m a k e i s i n s t a l l e d "
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)
set ( PKGCONFIG_INSTALL_DIR
" $ { C M A K E _ I N S T A L L _ D A T A D I R } / p k g c o n f i g "
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C A C H E P A T H " T h e d i r e c t o r y r e l a t i v e t o C M A K E _ I N S T A L L _ P R E F I X w h e r e e i g e n 3 . p c i s i n s t a l l e d "
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)
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foreach ( var INCLUDE_INSTALL_DIR CMAKEPACKAGE_INSTALL_DIR PKGCONFIG_INSTALL_DIR )
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# If an absolute path is specified, make it relative to "{CMAKE_INSTALL_PREFIX}".
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if ( IS_ABSOLUTE "${${var}}" )
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file ( RELATIVE_PATH "${var}" "${CMAKE_INSTALL_PREFIX}" "${${var}}" )
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endif ( )
endforeach ( )
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# similar to set_target_properties but append the property instead of overwriting it
macro ( ei_add_target_property target prop value )
get_target_property ( previous ${ target } ${ prop } )
# if the property wasn't previously set, ${previous} is now "previous-NOTFOUND" which cmake allows catching with plain if()
if ( NOT previous )
set ( previous "" )
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endif ( )
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set_target_properties ( ${ target } PROPERTIES ${ prop } "${previous} ${value}" )
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endmacro ( )
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install ( FILES
s i g n a t u r e _ o f _ e i g e n 3 _ m a t r i x _ l i b r a r y
D E S T I N A T I O N $ { I N C L U D E _ I N S T A L L _ D I R } C O M P O N E N T D e v e l
)
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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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D E S T I N A T I O N $ { P K G C O N F I G _ I N S T A L L _ D I R }
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)
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endif ( )
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install ( DIRECTORY Eigen DESTINATION ${ INCLUDE_INSTALL_DIR } COMPONENT Devel )
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option ( EIGEN_BUILD_DOC "Enable creation of Eigen documentation" ON )
if ( EIGEN_BUILD_DOC )
add_subdirectory ( doc EXCLUDE_FROM_ALL )
endif ( )
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cmake_dependent_option ( BUILD_TESTING "Enable creation of tests." ON "PROJECT_IS_TOP_LEVEL" OFF )
option ( EIGEN_BUILD_TESTING "Enable creation of Eigen tests." ${ BUILD_TESTING } )
if ( EIGEN_BUILD_TESTING )
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include ( EigenConfigureTesting )
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if ( EIGEN_LEAVE_TEST_IN_ALL_TARGET )
add_subdirectory ( test ) # can't do EXCLUDE_FROM_ALL here, breaks CTest
else ( )
add_subdirectory ( test EXCLUDE_FROM_ALL )
endif ( )
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add_subdirectory ( failtest )
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endif ( )
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if ( EIGEN_LEAVE_TEST_IN_ALL_TARGET )
add_subdirectory ( blas )
add_subdirectory ( lapack )
else ( )
add_subdirectory ( blas EXCLUDE_FROM_ALL )
add_subdirectory ( lapack EXCLUDE_FROM_ALL )
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endif ( )
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# add SYCL
option ( EIGEN_TEST_SYCL "Add Sycl support." OFF )
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option ( EIGEN_SYCL_TRISYCL "Use the triSYCL Sycl implementation (ComputeCPP by default)." OFF )
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if ( EIGEN_TEST_SYCL )
set ( CMAKE_MODULE_PATH "${CMAKE_ROOT}/Modules" "cmake/Modules/" "${CMAKE_MODULE_PATH}" )
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find_package ( Threads REQUIRED )
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if ( EIGEN_SYCL_TRISYCL )
message ( STATUS "Using triSYCL" )
include ( FindTriSYCL )
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else ( )
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message ( STATUS "Using ComputeCPP SYCL" )
include ( FindComputeCpp )
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set ( COMPUTECPP_DRIVER_DEFAULT_VALUE OFF )
if ( NOT MSVC )
set ( COMPUTECPP_DRIVER_DEFAULT_VALUE ON )
endif ( )
option ( COMPUTECPP_USE_COMPILER_DRIVER
" U s e C o m p u t e C p p d r i v e r i n s t e a d o f a 2 s t e p s c o m p i l a t i o n "
$ { C O M P U T E C P P _ D R I V E R _ D E F A U L T _ V A L U E }
)
endif ( EIGEN_SYCL_TRISYCL )
option ( EIGEN_DONT_VECTORIZE_SYCL "Don't use vectorisation in the SYCL tests." OFF )
if ( EIGEN_DONT_VECTORIZE_SYCL )
message ( STATUS "Disabling SYCL vectorization in tests/examples" )
# When disabling SYCL vectorization, also disable Eigen default vectorization
add_definitions ( -DEIGEN_DONT_VECTORIZE=1 )
add_definitions ( -DEIGEN_DONT_VECTORIZE_SYCL=1 )
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endif ( )
endif ( )
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add_subdirectory ( unsupported )
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 ( )
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find_package ( CLANG_FORMAT 9 EXACT )
if ( CLANG_FORMAT_FOUND )
set ( FORMAT_SOURCES )
list ( APPEND FORMAT_SUBDIRS blas bench demos "doc" Eigen include lapack scripts share unsupported test failtest )
foreach ( DIR ${ FORMAT_SUBDIRS } )
set ( ABS_DIR ${ CMAKE_CURRENT_SOURCE_DIR } / ${ DIR } )
file ( GLOB_RECURSE ${ DIR } _SOURCES ${ ABS_DIR } /*.cc ${ ABS_DIR } /*.h ${ ABS_DIR } /*.cpp ${ ABS_DIR } /*.hpp ${ ABS_DIR } /*.c )
list ( APPEND FORMAT_SOURCES ${ ${DIR } _SOURCES} )
endforeach ( )
file ( GLOB FORMAT_SOURCES_WITHOUTENDING LIST_DIRECTORIES false ${ CMAKE_CURRENT_SOURCE_DIR } /Eigen/* ${ CMAKE_CURRENT_SOURCE_DIR } /Eigen/CXX11/* ${ CMAKE_CURRENT_SOURCE_DIR } /unsupported/Eigen/* ${ CMAKE_CURRENT_SOURCE_DIR } /unsupported/Eigen/CXX11/* )
list ( FILTER FORMAT_SOURCES_WITHOUTENDING EXCLUDE REGEX ".*.txt$" )
list ( APPEND FORMAT_SOURCES ${ FORMAT_SOURCES_WITHOUTENDING } )
add_custom_target ( format
C O M M A N D $ { C L A N G _ F O R M A T _ E X E C U T A B L E } - i - s t y l e = f i l e $ { F O R M A T _ S O U R C E S }
D E P E N D S $ { F O R M A T _ S O U R C E S } )
endif ( )
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if ( NOT WIN32 )
add_subdirectory ( bench/spbench EXCLUDE_FROM_ALL )
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endif ( )
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configure_file ( scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY )
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if ( EIGEN_BUILD_TESTING )
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ei_testing_print_summary ( )
endif ( )
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message ( STATUS "" )
message ( STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}" )
message ( STATUS "" )
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if ( PROJECT_IS_TOP_LEVEL )
string ( TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower )
if ( cmake_generator_tolower MATCHES "makefile" )
message ( STATUS "Available targets (use: make TARGET):" )
else ( )
message ( STATUS "Available targets (use: cmake --build . --target TARGET):" )
endif ( )
message ( STATUS "---------+--------------------------------------------------------------" )
message ( STATUS "Target | Description" )
message ( STATUS "---------+--------------------------------------------------------------" )
message ( STATUS "install | Install Eigen. Headers will be installed to:" )
message ( STATUS " | <CMAKE_INSTALL_PREFIX>/<INCLUDE_INSTALL_DIR>" )
message ( STATUS " | Using the following values:" )
message ( STATUS " | CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}" )
message ( STATUS " | INCLUDE_INSTALL_DIR: ${INCLUDE_INSTALL_DIR}" )
message ( STATUS " | Change the install location of Eigen headers using:" )
message ( STATUS " | cmake . -DCMAKE_INSTALL_PREFIX=yourprefix" )
message ( STATUS " | Or:" )
message ( STATUS " | cmake . -DINCLUDE_INSTALL_DIR=yourdir" )
message ( STATUS "doc | Generate the API documentation, requires Doxygen & LaTeX" )
if ( EIGEN_BUILD_TESTING )
message ( STATUS "check | Build and run the unit-tests. Read this page:" )
message ( STATUS " | http://eigen.tuxfamily.org/index.php?title=Tests" )
endif ( )
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if ( CLANG_FORMAT_FOUND )
message ( STATUS "format | Formats the source code according to .clang-format file" )
endif ( )
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message ( STATUS "blas | Build BLAS library (not the same thing as Eigen)" )
message ( STATUS "uninstall| Remove files installed by the install target" )
message ( STATUS "---------+--------------------------------------------------------------" )
message ( STATUS "" )
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endif ( )
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set ( EIGEN_VERSION_STRING ${ EIGEN_VERSION_NUMBER } )
set ( EIGEN_VERSION_MAJOR ${ EIGEN_WORLD_VERSION } )
set ( EIGEN_VERSION_MINOR ${ EIGEN_MAJOR_VERSION } )
set ( EIGEN_VERSION_PATCH ${ EIGEN_MINOR_VERSION } )
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include ( CMakePackageConfigHelpers )
# Imported target support
add_library ( eigen INTERFACE )
add_library ( Eigen3::Eigen ALIAS eigen )
target_include_directories ( eigen INTERFACE
$ < B U I L D _ I N T E R F A C E : $ { C M A K E _ C U R R E N T _ S O U R C E _ D I R } >
$ < I N S T A L L _ I N T E R F A C E : $ { I N C L U D E _ I N S T A L L _ D I R } >
)
# Export as title case Eigen
set_target_properties ( eigen PROPERTIES EXPORT_NAME Eigen )
install ( TARGETS eigen EXPORT Eigen3Targets )
configure_package_config_file (
$ { C M A K E _ C U R R E N T _ S O U R C E _ D I R } / c m a k e / E i g e n 3 C o n f i g . c m a k e . i n
$ { C M A K E _ C U R R E N T _ B I N A R Y _ D I R } / E i g e n 3 C o n f i g . c m a k e
I N S T A L L _ D E S T I N A T I O N $ { C M A K E P A C K A G E _ I N S T A L L _ D I R }
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N O _ S E T _ A N D _ C H E C K _ M A C R O # Eigen does not provide legacy style defines
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N O _ C H E C K _ R E Q U I R E D _ C O M P O N E N T S _ M A C R O # Eigen does not provide components
)
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# NOTE Remove the first code path once the minimum required CMake version is
# bumped to 3.14 or above.
if ( CMAKE_VERSION VERSION_LESS 3.14 )
# Remove CMAKE_SIZEOF_VOID_P from Eigen3ConfigVersion.cmake since Eigen does
# not depend on architecture specific settings or libraries. More
# specifically, an Eigen3Config.cmake generated from a 64 bit target can be
# used for 32 bit targets as well (and vice versa).
set ( _Eigen3_CMAKE_SIZEOF_VOID_P ${ CMAKE_SIZEOF_VOID_P } )
unset ( CMAKE_SIZEOF_VOID_P )
write_basic_package_version_file ( Eigen3ConfigVersion.cmake
V E R S I O N $ { E I G E N _ V E R S I O N _ N U M B E R }
C O M P A T I B I L I T Y S a m e M a j o r V e r s i o n )
set ( CMAKE_SIZEOF_VOID_P ${ _Eigen3_CMAKE_SIZEOF_VOID_P } )
else ( CMAKE_VERSION VERSION_LESS 3.14 )
write_basic_package_version_file ( Eigen3ConfigVersion.cmake
V E R S I O N $ { E I G E N _ V E R S I O N _ N U M B E R }
C O M P A T I B I L I T Y S a m e M a j o r V e r s i o n
A R C H _ I N D E P E N D E N T )
endif ( CMAKE_VERSION VERSION_LESS 3.14 )
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# The Eigen target will be located in the Eigen3 namespace. Other CMake
# targets can refer to it using Eigen3::Eigen.
export ( TARGETS eigen NAMESPACE Eigen3:: FILE Eigen3Targets.cmake )
# Export Eigen3 package to CMake registry such that it can be easily found by
# CMake even if it has not been installed to a standard directory.
export ( PACKAGE Eigen3 )
install ( EXPORT Eigen3Targets NAMESPACE Eigen3:: DESTINATION ${ CMAKEPACKAGE_INSTALL_DIR } )
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install ( FILES ${ CMAKE_CURRENT_BINARY_DIR } /Eigen3Config.cmake
$ { C M A K E _ C U R R E N T _ B I N A R Y _ D I R } / E i g e n 3 C o n f i g V e r s i o n . c m a k e
D E S T I N A T I O N $ { C M A K E P A C K A G E _ I N S T A L L _ D I R } )
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# Add uninstall target
add_custom_target ( uninstall
C O M M A N D $ { C M A K E _ C O M M A N D } - P $ { C M A K E _ C U R R E N T _ S O U R C E _ D I R } / c m a k e / E i g e n U n i n s t a l l . c m a k e )
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if ( EIGEN_SPLIT_TESTSUITE )
ei_split_testsuite ( "${EIGEN_SPLIT_TESTSUITE}" )
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endif ( )
