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#!/bin/sh
# Copyright 2015 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script will update Skia's dependenciess as necessary and run
# gyp if needed.
# Depends on: Posix-compliant shell, Python, and Git.
#
# Example usage:
#
# git clone https://skia.googlesource.com/skia
# cd skia
# bin/deps-and-gyp
# ninja -C out/Debug && out/Debug/dm
#
# Once changes are made to DEPS or gyp/ or the source, call:
#
# bin/deps-and-gyp
if [ "$SKIA_OUT" ]; then
mkdir -p "$SKIA_OUT" || exit
# get non-relative path of $SKIA_OUT before changing directory.
SKIA_OUT="$(cd "$SKIA_OUT"; pwd)"
fi
cd "$(dirname "$0")/.."
if ! [ -f DEPS ]; then
echo DEPS file missing >&2
exit 1
fi
if [ "$(git hash-object DEPS)" != "$(git config sync-deps.last)" ] ; then
GIT_SYNC_DEPS_QUIET=1 python tools/git-sync-deps || exit
git config sync-deps.last "$(git hash-object DEPS)"
fi
catifexists() { if [ -f "$1" ]; then cat "$1"; fi; }
gyp_hasher() {
{
echo "$CC"
echo "$CXX"
echo "$GYP_GENERATORS"
echo "$GYP_DEFINES"
find gyp -type f -print -exec git hash-object {} \;
find bench gm tests -name '*.c*' | LANG= sort
} | git hash-object --stdin
}
: ${SKIA_OUT:=out}
GYP_HASH=$(gyp_hasher)
HASH_PATH="${SKIA_OUT}/gyp_hash"
if [ "$GYP_HASH" != "$(catifexists "$HASH_PATH")" ]; then
python ./gyp_skia || exit
echo "$GYP_HASH" > "$HASH_PATH"
fi
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