1 # This file is part of Gromacs Copyright (c) 1991-2008
2 # David van der Spoel, Erik Lindahl, Berk Hess, University of Groningen.
4 # The module defines the following variables:
5 # VMD_EXECUTABLE - path to vmd command
6 # GMX_VMD_PLUGIN_PATH - path to vmd plugins
8 message(STATUS "Checking for suitable VMD version")
9 find_program(VMD_EXECUTABLE NAMES vmd PATH_SUFFIXES bin
12 #set search path in increasing priority:
13 # default path, vmd binary path, enviroment variable
14 set(VMD_PATHS "/usr/local/lib/vmd/plugins/*/molfile/")
16 file(STRINGS "${VMD_EXECUTABLE}" VMDDIR REGEX "^defaultvmddir=.*$")
17 string(REGEX REPLACE "(^.*=\"?|\"$)" "" VMDDIR "${VMDDIR}")
18 list(INSERT VMD_PATHS 0 "${VMDDIR}/plugins/*/molfile/")
20 if(NOT "$ENV{VMDDIR}" STREQUAL "")
21 list(INSERT VMD_PATHS 0 "$ENV{VMDDIR}/plugins/*/molfile/")
24 #xyz is just an example. Any other molfile plugin could be used.
25 #But some require extra link flags. VMD uses ".so" even on Windows.
26 find_library(VMDXYZPLUGIN NAME "xyzplugin.so"
30 try_run(TESTVMD TESTVMD_COMPILED ${CMAKE_BINARY_DIR}
31 "${CMAKE_SOURCE_DIR}/cmake/TestVMD.c"
32 CMAKE_FLAGS "-DLINK_LIBRARIES=${CMAKE_DL_LIBS}"
33 "-DINCLUDE_DIRECTORIES=${CMAKE_SOURCE_DIR}/src/gmxlib"
34 COMPILE_DEFINITIONS "-DGMX_USE_PLUGINS"
35 RUN_OUTPUT_VARIABLE TESTVMD_OUTPUT ARGS ${VMDXYZPLUGIN})
38 if(NOT TESTVMD EQUAL 0)
40 message(STATUS "VMD plugins not found. Path to VMD can be set with VMDDIR.")
41 elseif(NOT TESTVMD_COMPILED)
42 message(STATUS "Could not compile VMD version check")
43 elseif(TESTVMD EQUAL 1)
44 message(STATUS "Could not load VMD plugin ${VMDXYZPLUGIN}: ${TESTVMD_OUTPUT}")
45 elseif(TESTVMD EQUAL 5)
46 message(STATUS "VMD plugin ${VMDXYZPLUGIN} too old. VMD 1.8.6 required.")
48 message(STATUS "Could not identify VMD version of ${VMDXYZPLUGIN}. Error: ${TESTVMD}")
50 # This permits GROMACS to avoid hard-coding a fall-back path.
51 # Fall-back is useful in case VMD is installed later.
52 set(GMX_VMD_PLUGIN_PATH "/usr/local/lib/vmd/plugins/*/molfile"
53 CACHE PATH "Path to VMD plugins for molfile I/O" FORCE)
55 get_filename_component(VMD_PLUGIN_PATH ${VMDXYZPLUGIN} PATH)
56 message(STATUS "VMD version of ${VMD_PLUGIN_PATH} is suitable")
57 set(GMX_VMD_PLUGIN_PATH ${VMD_PLUGIN_PATH}
58 CACHE PATH "Path to VMD plugins for molfile I/O" FORCE)
60 mark_as_advanced(GMX_VMD_PLUGIN_PATH)
61 #Nothing is rerun unless GMX_VMD_PLUGIN_PATH is set to NO. Clean-up all.
62 unset(VMDXYZPLUGIN CACHE)
63 unset(VMD_EXECUTABLE CACHE)
65 unset(TESTVMD_COMPILED CACHE)
67 unset(VMD_PLUGIN_PATH)