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35 set(GMX_TNG_MINIMUM_REQUIRED_VERSION "1.7.10")
39 "Use external TNG instead of compiling the version shipped with GROMACS."
44 "Use external ZLIB instead of compiling the version shipped with GROMACS as part of TNG."
46 "NOT GMX_EXTERNAL_TNG")
49 # Detect TNG if GMX_EXTERNAL_TNG is explicitly ON
51 find_package(TNG_IO ${GMX_TNG_MINIMUM_REQUIRED_VERSION})
53 message(FATAL_ERROR "TNG >= ${GMX_TNG_MINIMUM_REQUIRED_VERSION} not found. You can set GMX_EXTERNAL_TNG=OFF to compile the TNG bundled with GROMACS.")
56 # Detect zlib if the user requires us to use an external
57 # version. If found, it can be used by TNG.
61 message(FATAL_ERROR "External zlib compression library was required but could not be found. Set GMX_EXTERNAL_ZLIB=OFF to compile zlib as part of GROMACS.")
64 gmx_test_zlib(HAVE_ZLIB)
66 message(FATAL_ERROR "External zlib compression library was required but could not compile and link. Set GMX_EXTERNAL_ZLIB=OFF to compile zlib as part of GROMACS.")
72 function(gmx_setup_tng_for_libgromacs)
73 set(BUNDLED_TNG_LOCATION "${CMAKE_SOURCE_DIR}/src/external/tng_io")
76 target_link_libraries(libgromacs PRIVATE tng_io::tng_io)
79 if (NOT GMX_EXTERNAL_ZLIB)
80 set(_zlib_arg OWN_ZLIB)
82 include(${BUNDLED_TNG_LOCATION}/BuildTNG.cmake)
83 add_tng_io_library(tng_io OBJECT ${_zlib_arg})
84 add_library(tng_io::tng_io ALIAS tng_io)
85 gmx_target_compile_options(tng_io_obj)
86 target_link_libraries(libgromacs PRIVATE $<BUILD_INTERFACE:tng_io::tng_io>)