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Diffstat (limited to 'cmake/modules/OpenVDBUtils.cmake')
| -rw-r--r-- | cmake/modules/OpenVDBUtils.cmake | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/cmake/modules/OpenVDBUtils.cmake b/cmake/modules/OpenVDBUtils.cmake new file mode 100644 index 000000000..bb3ce6e65 --- /dev/null +++ b/cmake/modules/OpenVDBUtils.cmake @@ -0,0 +1,166 @@ +# Copyright (c) DreamWorks Animation LLC +# +# All rights reserved. This software is distributed under the +# Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ ) +# +# Redistributions of source code must retain the above copyright +# and license notice and the following restrictions and disclaimer. +# +# * Neither the name of DreamWorks Animation nor the names of +# its contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# IN NO EVENT SHALL THE COPYRIGHT HOLDERS' AND CONTRIBUTORS' AGGREGATE +# LIABILITY FOR ALL CLAIMS REGARDLESS OF THEIR BASIS EXCEED US$250.00. +# +#[=======================================================================[.rst: + +OpenVDBUtils.cmake +------------------ + +A utility CMake file which provides helper functions for configuring an +OpenVDB installation. + +Use this module by invoking include with the form:: + + include ( OpenVDBUtils ) + + +The following functions are provided: + +``OPENVDB_VERSION_FROM_HEADER`` + + OPENVDB_VERSION_FROM_HEADER ( <header_path> + VERSION [<version>] + MAJOR [<version>] + MINOR [<version>] + PATCH [<version>] ) + + Parse the provided version file to retrieve the current OpenVDB + version information. The file is expected to be a version.h file + as found in the following path of an OpenVDB repository: + openvdb/version.h + + If the file does not exist, variables are unmodified. + +``OPENVDB_ABI_VERSION_FROM_PRINT`` + + OPENVDB_ABI_VERSION_FROM_PRINT ( <vdb_print> + [QUIET] + ABI [<version>] ) + + Retrieve the ABI version that an installation of OpenVDB was compiled + for using the provided vdb_print binary. Parses the result of: + vdb_print --version + + If the binary does not exist or fails to launch, variables are + unmodified. + +#]=======================================================================] + + +function(OPENVDB_VERSION_FROM_HEADER OPENVDB_VERSION_FILE) + cmake_parse_arguments(_VDB "" "VERSION;MAJOR;MINOR;PATCH" "" ${ARGN}) + + if(NOT EXISTS ${OPENVDB_VERSION_FILE}) + return() + endif() + + file(STRINGS "${OPENVDB_VERSION_FILE}" openvdb_version_str + REGEX "^#define[\t ]+OPENVDB_LIBRARY_MAJOR_VERSION_NUMBER[\t ]+.*" + ) + string(REGEX REPLACE "^.*OPENVDB_LIBRARY_MAJOR_VERSION_NUMBER[\t ]+([0-9]*).*$" "\\1" + _OpenVDB_MAJOR_VERSION "${openvdb_version_str}" + ) + + file(STRINGS "${OPENVDB_VERSION_FILE}" openvdb_version_str + REGEX "^#define[\t ]+OPENVDB_LIBRARY_MINOR_VERSION_NUMBER[\t ]+.*" + ) + string(REGEX REPLACE "^.*OPENVDB_LIBRARY_MINOR_VERSION_NUMBER[\t ]+([0-9]*).*$" "\\1" + _OpenVDB_MINOR_VERSION "${openvdb_version_str}" + ) + + file(STRINGS "${OPENVDB_VERSION_FILE}" openvdb_version_str + REGEX "^#define[\t ]+OPENVDB_LIBRARY_PATCH_VERSION_NUMBER[\t ]+.*" + ) + string(REGEX REPLACE "^.*OPENVDB_LIBRARY_PATCH_VERSION_NUMBER[\t ]+([0-9]*).*$" "\\1" + _OpenVDB_PATCH_VERSION "${openvdb_version_str}" + ) + unset(openvdb_version_str) + + if(_VDB_VERSION) + set(${_VDB_VERSION} + ${_OpenVDB_MAJOR_VERSION}.${_OpenVDB_MINOR_VERSION}.${_OpenVDB_PATCH_VERSION} + PARENT_SCOPE + ) + endif() + if(_VDB_MAJOR) + set(${_VDB_MAJOR} ${_OpenVDB_MAJOR_VERSION} PARENT_SCOPE) + endif() + if(_VDB_MINOR) + set(${_VDB_MINOR} ${_OpenVDB_MINOR_VERSION} PARENT_SCOPE) + endif() + if(_VDB_PATCH) + set(${_VDB_PATCH} ${_OpenVDB_PATCH_VERSION} PARENT_SCOPE) + endif() +endfunction() + + +######################################################################## +######################################################################## + + +function(OPENVDB_ABI_VERSION_FROM_PRINT OPENVDB_PRINT) + cmake_parse_arguments(_VDB "QUIET" "ABI" "" ${ARGN}) + + if(NOT EXISTS ${OPENVDB_PRINT}) + message(WARNING "vdb_print not found! ${OPENVDB_PRINT}") + return() + endif() + + set(_VDB_PRINT_VERSION_STRING "") + set(_VDB_PRINT_RETURN_STATUS "") + + if(${_VDB_QUIET}) + execute_process(COMMAND ${OPENVDB_PRINT} "--version" + RESULT_VARIABLE _VDB_PRINT_RETURN_STATUS + OUTPUT_VARIABLE _VDB_PRINT_VERSION_STRING + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + else() + execute_process(COMMAND ${OPENVDB_PRINT} "--version" + RESULT_VARIABLE _VDB_PRINT_RETURN_STATUS + OUTPUT_VARIABLE _VDB_PRINT_VERSION_STRING + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + endif() + + if(${_VDB_PRINT_RETURN_STATUS}) + message(WARNING "vdb_print returned with status ${_VDB_PRINT_RETURN_STATUS}") + return() + endif() + + set(_OpenVDB_ABI) + string(REGEX REPLACE ".*abi([0-9]*).*" "\\1" _OpenVDB_ABI ${_VDB_PRINT_VERSION_STRING}) + if(${_OpenVDB_ABI} STREQUAL ${_VDB_PRINT_VERSION_STRING}) + set(_OpenVDB_ABI "") + endif() + unset(_VDB_PRINT_RETURN_STATUS) + unset(_VDB_PRINT_VERSION_STRING) + + if(_VDB_ABI) + set(${_VDB_ABI} ${_OpenVDB_ABI} PARENT_SCOPE) + endif() +endfunction() |