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35 # The module defines the following variables:
36 # VMD_EXECUTABLE - path to vmd command
37 # GMX_VMD_PLUGIN_PATH - path to vmd plugins
39 message(STATUS "Checking for suitable VMD version")
40 find_program(VMD_EXECUTABLE NAMES vmd PATH_SUFFIXES bin
43 #set search path in increasing priority:
44 # default path, vmd binary path, enviroment variable
45 set(VMD_PATHS "/usr/local/lib/vmd/plugins/*/molfile/")
47 file(STRINGS "${VMD_EXECUTABLE}" VMDDIR REGEX "^defaultvmddir=.*$")
48 string(REGEX REPLACE "(^.*=\"?|\"$)" "" VMDDIR "${VMDDIR}")
49 list(INSERT VMD_PATHS 0 "${VMDDIR}/plugins/*/molfile/")
51 if(NOT "$ENV{VMDDIR}" STREQUAL "")
52 list(INSERT VMD_PATHS 0 "$ENV{VMDDIR}/plugins/*/molfile/")
55 #xyz is just an example. Any other molfile plugin could be used.
56 #But some require extra link flags. VMD uses ".so" even on Windows.
57 find_library(VMDXYZPLUGIN NAME "xyzplugin.so"
61 try_run(TESTVMD TESTVMD_COMPILED ${CMAKE_BINARY_DIR}
62 "${CMAKE_SOURCE_DIR}/cmake/TestVMD.cpp"
63 CMAKE_FLAGS "-DLINK_LIBRARIES=${CMAKE_DL_LIBS}"
64 "-DINCLUDE_DIRECTORIES=${CMAKE_SOURCE_DIR}/src/external/vmd_molfile"
65 COMPILE_DEFINITIONS "-DGMX_USE_PLUGINS"
66 RUN_OUTPUT_VARIABLE TESTVMD_OUTPUT ARGS ${VMDXYZPLUGIN})
69 if(NOT TESTVMD EQUAL 0)
71 message(STATUS "VMD plugins not found. Path to VMD can be set with VMDDIR.")
72 elseif(NOT TESTVMD_COMPILED)
73 message(STATUS "Could not compile VMD version check")
74 elseif(TESTVMD EQUAL 1)
75 message(STATUS "Could not load VMD plugin ${VMDXYZPLUGIN}: ${TESTVMD_OUTPUT}")
76 elseif(TESTVMD EQUAL 5)
77 message(STATUS "VMD plugin ${VMDXYZPLUGIN} too old. VMD 1.8.6 required.")
79 message(STATUS "Could not identify VMD version of ${VMDXYZPLUGIN}. Error: ${TESTVMD}")
81 # This permits GROMACS to avoid hard-coding a fall-back path.
82 # Fall-back is useful in case VMD is installed later.
83 set(GMX_VMD_PLUGIN_PATH "/usr/local/lib/vmd/plugins/*/molfile"
84 CACHE PATH "Path to VMD plugins for molfile I/O" FORCE)
86 get_filename_component(VMD_PLUGIN_PATH ${VMDXYZPLUGIN} PATH)
87 message(STATUS "VMD version of ${VMD_PLUGIN_PATH} is suitable")
88 set(GMX_VMD_PLUGIN_PATH ${VMD_PLUGIN_PATH}
89 CACHE PATH "Path to VMD plugins for molfile I/O" FORCE)
91 mark_as_advanced(GMX_VMD_PLUGIN_PATH)
92 #Nothing is rerun unless GMX_VMD_PLUGIN_PATH is set to NO. Clean-up all.
93 unset(VMDXYZPLUGIN CACHE)
94 unset(VMD_EXECUTABLE CACHE)
96 unset(TESTVMD_COMPILED CACHE)
98 unset(VMD_PLUGIN_PATH)