forked from lijiext/lammps
Merge pull request #2476 from akohlmey/download-libyaml
Add CMake code to download and compile a suitable version of libyaml in case it is not found locally
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commit
b3181a1fa3
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@ -0,0 +1,32 @@
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message(STATUS "Downloading and building YAML library")
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include(ExternalProject)
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set(YAML_URL "https://pyyaml.org/download/libyaml/yaml-0.2.5.tar.gz" CACHE STRING "URL for libyaml tarball")
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mark_as_advanced(YAML_URL)
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ExternalProject_Add(libyaml
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URL ${YAML_URL}
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URL_MD5 bb15429d8fb787e7d3f1c83ae129a999
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SOURCE_DIR "${CMAKE_BINARY_DIR}/yaml-src"
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BINARY_DIR "${CMAKE_BINARY_DIR}/yaml-build"
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CONFIGURE_COMMAND <SOURCE_DIR>/configure ${CONFIGURE_REQUEST_PIC}
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CXX=${CMAKE_CXX_COMPILER}
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CC=${CMAKE_C_COMPILER}
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--prefix=<INSTALL_DIR> --disable-shared
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BUILD_BYPRODUCTS <INSTALL_DIR>/lib/${CMAKE_FIND_LIBRARY_PREFIXES}yaml.a
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TEST_COMMAND "")
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ExternalProject_Get_Property(libyaml INSTALL_DIR)
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set(YAML_INCLUDE_DIR ${INSTALL_DIR}/include)
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set(YAML_LIBRARY_DIR ${INSTALL_DIR}/lib)
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# workaround for CMake 3.10 on ubuntu 18.04
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file(MAKE_DIRECTORY ${YAML_INCLUDE_DIR})
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file(MAKE_DIRECTORY ${YAML_LIBRARY_DIR})
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set(YAML_LIBRARY_PATH ${INSTALL_DIR}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}yaml.a)
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add_library(Yaml::Yaml UNKNOWN IMPORTED)
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set_target_properties(Yaml::Yaml PROPERTIES
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IMPORTED_LOCATION ${YAML_LIBRARY_PATH}
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INTERFACE_INCLUDE_DIRECTORIES ${YAML_INCLUDE_DIR})
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add_dependencies(Yaml::Yaml libyaml)
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@ -111,8 +111,10 @@ error margin). The status of this automated testing can be viewed on
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The unit testing facility is integrated into the CMake build process
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of the LAMMPS source code distribution itself. It can be enabled by
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setting ``-D ENABLE_TESTING=on`` during the CMake configuration step.
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It requires the `PyYAML <http://pyyaml.org/>`_ library and development
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headers to compile and will download and compile a recent version of the
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It requires the `YAML <http://pyyaml.org/>`_ library and development
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headers (if not found locally a recent version will be downloaded
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and compiled transparently) to compile and will download and compile
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a specific recent version of the
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`Googletest <https://github.com/google/googletest/>`_ C++ test framework
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for implementing the tests.
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@ -1,8 +1,8 @@
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find_package(YAML)
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if(NOT YAML_FOUND)
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message(STATUS "Skipping tests because libyaml is not found")
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return()
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# download and build a local copy of libyaml
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include(YAML)
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endif()
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if(CMAKE_VERSION VERSION_LESS 3.12)
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