2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2016, by the GROMACS development team, led by
5 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 # and including many others, as listed in the AUTHORS file in the
7 # top-level source directory and at http://www.gromacs.org.
9 # GROMACS is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public License
11 # as published by the Free Software Foundation; either version 2.1
12 # of the License, or (at your option) any later version.
14 # GROMACS is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with GROMACS; if not, see
21 # http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 # If you want to redistribute modifications to GROMACS, please
25 # consider that scientific software is very special. Version
26 # control is crucial - bugs must be traceable. We will be happy to
27 # consider code for inclusion in the official distribution, but
28 # derived work must not be called official GROMACS. Details are found
29 # in the README & COPYING files - if they are missing, get the
30 # official version at http://www.gromacs.org.
32 # To help us fund GROMACS development, we humbly ask that you cite
33 # the research papers on the package. Check out http://www.gromacs.org.
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 target_link_libraries(libgromacs PRIVATE $<BUILD_INTERFACE:tng_io::tng_io>)