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#!/bin/sh -e

# 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.

# This script is called by the build system and is used to call sphinx-build if
# is is available, or alternatively, emit a warning, and perform a no-op. Any
# required directories or Makefiles are created and stubbed out as appropriate.

if test -z "`which sphinx-build`"; then
    missing=yes
    cat << EOF
WARNING: 'sphinx-build' is needed, and is missing on your system.
         You might have modified some files without having the
         proper tools for further handling them.
EOF
fi

if test "$2" = "html"; then
    if test "$missing" != "yes"; then
        sphinx-build $*
    else
        mkdir -p html
    fi
fi