usd-cpp 0.1.1

Downloads and builds the cpp shared libraries for USD, see usd-rs
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#
# Copyright 2016 Pixar
#
# Licensed under the Apache License, Version 2.0 (the "Apache License")
# with the following modification; you may not use this file except in
# compliance with the Apache License and the following modification to it:
# Section 6. Trademarks. is deleted and replaced with:
#
# 6. Trademarks. This License does not grant permission to use the trade
#    names, trademarks, service marks, or product names of the Licensor
#    and its affiliates, except as required to comply with Section 4(c) of
#    the License and to reproduce the content of the NOTICE file.
#
# You may obtain a copy of the Apache License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the Apache License with the above modification is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the Apache License for the specific
# language governing permissions and limitations under the Apache License.
#
if (NOT PYTHON_EXECUTABLE)
    message(FATAL_ERROR "Unable to find Python executable - PyOpenGL not present")
    return()
endif()

execute_process(
    COMMAND 
        "${PYTHON_EXECUTABLE}" "-c" "from OpenGL import *"
    RESULT_VARIABLE
        pyopenglImportResult 
)

if (pyopenglImportResult EQUAL 0)
    message(STATUS "Found PyOpenGL")
    set(PYOPENGL_AVAILABLE True)
endif()

include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(PyOpenGL
    REQUIRED_VARS
        PYOPENGL_AVAILABLE
)