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optimize cmake scripts for subproject use

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This commit is contained in:
Fabian Keßler 2021-10-24 21:00:11 +02:00 committed by Febbe
parent 48e40b22bf
commit 19cacd3ecb
3 changed files with 45 additions and 35 deletions
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76
CMakeLists.txt
View File

@ -16,6 +16,16 @@ endif (POLICY CMP0090)
project(Eigen3)
# 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()
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")
@ -40,7 +50,7 @@ endif()
#############################################################################
# retrieve version information #
# retrieve version information #
#############################################################################
# automatically parse the version number
@ -111,13 +121,11 @@ if(NOT STANDARD_MATH_LIBRARY_FOUND)
"Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.")
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)
@ -467,8 +475,9 @@ if(EIGEN_BUILD_DOC)
endif()
option(BUILD_TESTING "Enable creation of Eigen tests." ON)
if(BUILD_TESTING)
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)
include(EigenConfigureTesting)
if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
@ -536,7 +545,7 @@ endif()
configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY)
if(BUILD_TESTING)
if(EIGEN_BUILD_TESTING)
ei_testing_print_summary()
endif()
@ -544,34 +553,35 @@ message(STATUS "")
message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}")
message(STATUS "")
string(TOLOWER "${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):")
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()
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 "")
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(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()
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 "")
set ( EIGEN_VERSION_STRING ${EIGEN_VERSION_NUMBER} )
set ( EIGEN_VERSION_MAJOR ${EIGEN_WORLD_VERSION} )

2
blas/CMakeLists.txt
View File

@ -50,7 +50,7 @@ endforeach()
if(EIGEN_Fortran_COMPILER_WORKS)
if(BUILD_TESTING)
if(EIGEN_BUILD_TESTING)
if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
add_subdirectory(testing) # can't do EXCLUDE_FROM_ALL here, breaks CTest
else()

2
unsupported/CMakeLists.txt
View File

@ -2,7 +2,7 @@ add_subdirectory(Eigen)
if(EIGEN_BUILD_DOC)
add_subdirectory(doc EXCLUDE_FROM_ALL)
endif()
if(BUILD_TESTING)
if(EIGEN_BUILD_TESTING)
if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest
else()