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#!/bin/bash
# Determine the build directory location based on the location of this script.
BPBUILD="${BASH_SOURCE[0]}"
BUILDDIR=`dirname "${BASH_SOURCE[0]}"`
BOOTSTRAP="${BUILDDIR}/.soong.bootstrap"
# The source directory path and operating system will get written to
# .soong.bootstrap by the bootstrap script.
if [ ! -f "${BOOTSTRAP}" ]; then
echo "Error: soong script must be located in a directory created by bootstrap.bash"
exit 1
fi
source "${BOOTSTRAP}"
if [[ ${SRCDIR_IN:0:1} == '/' ]]; then
# SRCDIR_IN is an absolute path
SRCDIR="${SRCDIR_IN}"
else
# SRCDIR_IN is a relative path
SRCDIR="${BUILDDIR}/${SRCDIR_IN}"
fi
# Let Blueprint know that the Ninja we're using performs multiple passes that
# can regenerate the build manifest.
export BLUEPRINT_NINJA_HAS_MULTIPASS=1
# Ninja can't depend on environment variables, so do a manual comparison
# of the relevant environment variables from the last build using the
# soong_env tool and trigger a build manifest regeneration if necessary
ENVFILE="${BUILDDIR}/.soong.environment"
ENVTOOL="${BUILDDIR}/.bootstrap/bin/soong_env"
if [ -f "${ENVFILE}" ]; then
if [ -x "${ENVTOOL}" ]; then
if ! "${ENVTOOL}" "${ENVFILE}"; then
echo "forcing build manifest regeneration"
rm -f "${ENVFILE}"
fi
else
echo "Missing soong_env tool, forcing build manifest regeneration"
rm -f "${ENVFILE}"
fi
fi
"${SRCDIR}/prebuilts/ninja/${PREBUILTOS}/ninja" -C "${BUILDDIR}" "$@"
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