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optimize cmake scripts for subproject use

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(cherry picked from commit 19cacd3ecb9dab73c2dd7bc39d9193e06ba92bdd)
This commit is contained in:
Fabian Keßler 2021-10-24 21:00:11 +02:00 committed by Antonio Sanchez
parent 75ebef26b6
commit d0bfdc1658
3 changed files with 45 additions and 35 deletions
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76
CMakeLists.txt
View File

@ -3,6 +3,16 @@ cmake_minimum_required(VERSION 3.5.0)
project(Eigen3) 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()
# guard against in-source builds # guard against in-source builds
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
@ -23,7 +33,7 @@ endif()
############################################################################# #############################################################################
# retrieve version information # # retrieve version information #
############################################################################# #############################################################################
# automatically parse the version number # automatically parse the version number
@ -127,13 +137,11 @@ if(NOT STANDARD_MATH_LIBRARY_FOUND)
"Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.") "Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.")
else() else()
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO) if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}") set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}")
else() else()
set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}") set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}")
endif() endif()
endif() endif()
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO) if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
@ -504,8 +512,9 @@ if(EIGEN_BUILD_DOC)
endif() endif()
option(BUILD_TESTING "Enable creation of Eigen tests." ON) cmake_dependent_option(BUILD_TESTING "Enable creation of tests." ON "PROJECT_IS_TOP_LEVEL" OFF)
if(BUILD_TESTING) option(EIGEN_BUILD_TESTING "Enable creation of Eigen tests." ${BUILD_TESTING})
if(EIGEN_BUILD_TESTING)
include(EigenConfigureTesting) include(EigenConfigureTesting)
if(EIGEN_LEAVE_TEST_IN_ALL_TARGET) if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
@ -576,7 +585,7 @@ endif()
configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY) configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY)
if(BUILD_TESTING) if(EIGEN_BUILD_TESTING)
ei_testing_print_summary() ei_testing_print_summary()
endif() endif()
@ -584,34 +593,35 @@ message(STATUS "")
message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}") message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}")
message(STATUS "") message(STATUS "")
string(TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower) if(PROJECT_IS_TOP_LEVEL)
if(cmake_generator_tolower MATCHES "makefile") string(TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower)
message(STATUS "Available targets (use: make TARGET):") if(cmake_generator_tolower MATCHES "makefile")
else() message(STATUS "Available targets (use: make TARGET):")
message(STATUS "Available targets (use: cmake --build . --target 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() 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_STRING ${EIGEN_VERSION_NUMBER} )
set ( EIGEN_VERSION_MAJOR ${EIGEN_WORLD_VERSION} ) set ( EIGEN_VERSION_MAJOR ${EIGEN_WORLD_VERSION} )

2
blas/CMakeLists.txt
View File

@ -51,7 +51,7 @@ endforeach()
if(EIGEN_Fortran_COMPILER_WORKS) if(EIGEN_Fortran_COMPILER_WORKS)
if(BUILD_TESTING) if(EIGEN_BUILD_TESTING)
if(EIGEN_LEAVE_TEST_IN_ALL_TARGET) if(EIGEN_LEAVE_TEST_IN_ALL_TARGET)
add_subdirectory(testing) # can't do EXCLUDE_FROM_ALL here, breaks CTest add_subdirectory(testing) # can't do EXCLUDE_FROM_ALL here, breaks CTest
else() else()

2
unsupported/CMakeLists.txt
View File

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