diff options
Diffstat (limited to 'extern/openxr/src/version.cmake')
| -rw-r--r-- | extern/openxr/src/version.cmake | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/extern/openxr/src/version.cmake b/extern/openxr/src/version.cmake new file mode 100644 index 00000000000..2b71d7796ca --- /dev/null +++ b/extern/openxr/src/version.cmake @@ -0,0 +1,41 @@ +# Copyright (c) 2017-2019 The Khronos Group Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Set up the OpenXR version variables, used by several targets in this project. +set(MAJOR "0") +set(MINOR "0") +set(PATCH "0") + +if(EXISTS "${OPENXR_ROOT_DIR}/specification/registry/xr.xml") + file(STRINGS ${OPENXR_ROOT_DIR}/specification/registry/xr.xml lines REGEX "#define <name>XR_CURRENT_API_VERSION") +else() + file(STRINGS ${OPENXR_ROOT_DIR}/include/openxr/openxr.h lines REGEX "#define XR_CURRENT_API_VERSION") +endif() +list(LENGTH lines len) +if(${len} EQUAL 1) + list(GET lines 0 cur_line) + # Erase everything up to the open parentheses + string(REGEX REPLACE "^[^\(]+" "" VERSION_BEFORE_ERASED ${cur_line}) + # Erase everything after the close parentheses + string(REGEX REPLACE "[^\)]+$" "" VERSION_AFTER_ERASED ${VERSION_BEFORE_ERASED}) + # Erase the parentheses + string(REPLACE "(" "" VERSION_AFTER_ERASED2 ${VERSION_AFTER_ERASED}) + string(REPLACE ")" "" VERSION_AFTER_ERASED3 ${VERSION_AFTER_ERASED2}) + string(REPLACE " " "" VERSION_AFTER_ERASED4 ${VERSION_AFTER_ERASED3}) + string(REGEX REPLACE "^([0-9]+)\\,[0-9]+\\,[0-9]+" "\\1" MAJOR "${VERSION_AFTER_ERASED4}") + string(REGEX REPLACE "^[0-9]+\\,([0-9]+)\\,[0-9]+" "\\1" MINOR "${VERSION_AFTER_ERASED4}") + string(REGEX REPLACE "^[0-9]+\\,[0-9]+\\,([0-9]+)" "\\1" PATCH "${VERSION_AFTER_ERASED4}") +else() + message(FATAL_ERROR "Unable to fetch major/minor version from registry or header") +endif() |