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|
#!/bin/bash
# This script serves two purposes. First, it can bootstrap the standalone
# Blueprint to generate the minibp binary. To do this simply run the script
# with no arguments from the desired build directory.
#
# It can also be invoked from another script to bootstrap a custom Blueprint-
# based build system. To do this, the invoking script must first set some or
# all of the following environment variables, which are documented below where
# their default values are set:
#
# BOOTSTRAP
# WRAPPER
# SRCDIR
# BLUEPRINTDIR
# BUILDDIR
# NINJA_BUILDDIR
# GOROOT
#
# The invoking script should then run this script, passing along all of its
# command line arguments.
set -e
EXTRA_ARGS=""
# BOOTSTRAP should be set to the path of the bootstrap script. It can be
# either an absolute path or one relative to the build directory (which of
# these is used should probably match what's used for SRCDIR).
if [ -z "$BOOTSTRAP" ]; then
BOOTSTRAP="${BASH_SOURCE[0]}"
# WRAPPER should only be set if you want a ninja wrapper script to be
# installed into the builddir. It is set to blueprint's blueprint.bash
# only if BOOTSTRAP and WRAPPER are unset.
[ -z "$WRAPPER" ] && WRAPPER="`dirname "${BOOTSTRAP}"`/blueprint.bash"
fi
# SRCDIR should be set to the path of the root source directory. It can be
# either an absolute path or a path relative to the build directory. Whether
# its an absolute or relative path determines whether the build directory can
# be moved relative to or along with the source directory without re-running
# the bootstrap script.
[ -z "$SRCDIR" ] && SRCDIR=`dirname "${BOOTSTRAP}"`
# BLUEPRINTDIR should be set to the path to the blueprint source. It generally
# should start with SRCDIR.
[ -z "$BLUEPRINTDIR" ] && BLUEPRINTDIR="${SRCDIR}"
# BUILDDIR should be set to the path to store build results. By default, this
# is the current directory, but it may be set to an absolute or relative path.
[ -z "$BUILDDIR" ] && BUILDDIR=.
# NINJA_BUILDDIR should be set to the path to store the .ninja_log/.ninja_deps
# files. By default this is the same as $BUILDDIR.
[ -z "$NINJA_BUILDDIR" ] && NINJA_BUILDDIR="${BUILDDIR}"
# TOPNAME should be set to the name of the top-level Blueprints file
[ -z "$TOPNAME" ] && TOPNAME="Blueprints"
# These variables should be set by auto-detecting or knowing a priori the host
# Go toolchain properties.
[ -z "$GOROOT" ] && GOROOT=`go env GOROOT`
usage() {
echo "Usage of ${BOOTSTRAP}:"
echo " -h: print a help message and exit"
echo " -b <builddir>: set the build directory"
echo " -t: run tests"
echo " -n: use validations to depend on tests"
}
# Parse the command line flags.
while getopts ":b:hnt" opt; do
case $opt in
b) BUILDDIR="$OPTARG";;
n) USE_VALIDATIONS=true;;
t) RUN_TESTS=true;;
h)
usage
exit 1
;;
\?)
echo "Invalid option: -$OPTARG" >&2
usage
exit 1
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
# If RUN_TESTS is set, behave like -t was passed in as an option.
[ ! -z "$RUN_TESTS" ] && EXTRA_ARGS="${EXTRA_ARGS} -t"
# If $USE_VALIDATIONS is set, pass --use-validations.
[ ! -z "$USE_VALIDATIONS" ] && EXTRA_ARGS="${EXTRA_ARGS} --use-validations"
# If EMPTY_NINJA_FILE is set, have the primary build write out a 0-byte ninja
# file instead of a full length one. Useful if you don't plan on executing the
# build, but want to verify the primary builder execution.
[ ! -z "$EMPTY_NINJA_FILE" ] && EXTRA_ARGS="${EXTRA_ARGS} --empty-ninja-file"
# Allow the caller to pass in a list of module files
if [ -z "${BLUEPRINT_LIST_FILE}" ]; then
BLUEPRINT_LIST_FILE="${BUILDDIR}/.bootstrap/bplist"
fi
EXTRA_ARGS="${EXTRA_ARGS} -l ${BLUEPRINT_LIST_FILE}"
mkdir -p $BUILDDIR/.minibootstrap
echo "bootstrapBuildDir = $BUILDDIR" > $BUILDDIR/.minibootstrap/build.ninja
echo "topFile = $SRCDIR/$TOPNAME" >> $BUILDDIR/.minibootstrap/build.ninja
echo "extraArgs = $EXTRA_ARGS" >> $BUILDDIR/.minibootstrap/build.ninja
echo "builddir = $NINJA_BUILDDIR" >> $BUILDDIR/.minibootstrap/build.ninja
echo "include $BLUEPRINTDIR/bootstrap/build.ninja" >> $BUILDDIR/.minibootstrap/build.ninja
if [ ! -f "$BUILDDIR/.minibootstrap/build-globs.ninja" ]; then
touch "$BUILDDIR/.minibootstrap/build-globs.ninja"
fi
echo "BLUEPRINT_BOOTSTRAP_VERSION=2" > $BUILDDIR/.blueprint.bootstrap
echo "SRCDIR=\"${SRCDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
echo "BLUEPRINTDIR=\"${BLUEPRINTDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
echo "NINJA_BUILDDIR=\"${NINJA_BUILDDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
echo "GOROOT=\"${GOROOT}\"" >> $BUILDDIR/.blueprint.bootstrap
echo "TOPNAME=\"${TOPNAME}\"" >> $BUILDDIR/.blueprint.bootstrap
touch "${BUILDDIR}/.out-dir"
if [ ! -z "$WRAPPER" ]; then
cp $WRAPPER $BUILDDIR/
fi
|
