# Copyright (c) 2009-2021, Google LLC # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # * Neither the name of Google LLC nor the # names of its contributors may be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """Internal rules for building upb.""" _DEFAULT_CPPOPTS = [] _DEFAULT_COPTS = [] # begin:github_only _DEFAULT_CPPOPTS.extend([ "-Wextra", # "-Wshorten-64-to-32", # not in GCC (and my Kokoro images doesn't have Clang) "-Wno-unused-parameter", "-Wno-long-long", ]) _DEFAULT_COPTS.extend([ "-std=c99", "-Wall", "-Wstrict-prototypes", # GCC (at least) emits spurious warnings for this that cannot be fixed # without introducing redundant initialization (with runtime cost): # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80635 #"-Wno-maybe-uninitialized", ]) # end:github_only UPB_DEFAULT_CPPOPTS = select({ "//:windows": [], "//conditions:default": _DEFAULT_CPPOPTS, }) UPB_DEFAULT_COPTS = select({ "//:windows": [], "//:fasttable_enabled_setting": ["-std=gnu99", "-DUPB_ENABLE_FASTTABLE"], "//conditions:default": _DEFAULT_COPTS, }) runfiles_init = """\ # --- begin runfiles.bash initialization v2 --- # Copy-pasted from the Bazel Bash runfiles library v2. set -uo pipefail; f=bazel_tools/tools/bash/runfiles/runfiles.bash source "${RUNFILES_DIR:-/dev/null}/$f" 2>/dev/null || \ source "$(grep -sm1 "^$f " "${RUNFILES_MANIFEST_FILE:-/dev/null}" | cut -f2- -d' ')" 2>/dev/null || \ source "$0.runfiles/$f" 2>/dev/null || \ source "$(grep -sm1 "^$f " "$0.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \ source "$(grep -sm1 "^$f " "$0.exe.runfiles_manifest" | cut -f2- -d' ')" 2>/dev/null || \ { echo>&2 "ERROR: cannot find $f"; exit 1; }; f=; set -e # --- end runfiles.bash initialization v2 --- """ def _get_real_short_path(file): # For some reason, files from other archives have short paths that look like: # ../com_google_protobuf/google/protobuf/descriptor.proto short_path = file.short_path if short_path.startswith("../"): second_slash = short_path.index("/", 3) short_path = short_path[second_slash + 1:] return short_path def _get_real_root(file): real_short_path = _get_real_short_path(file) return file.path[:-len(real_short_path) - 1] def _get_real_roots(files): roots = {} for file in files: real_root = _get_real_root(file) if real_root: roots[real_root] = True return roots.keys() def make_shell_script(name, contents, out): contents = contents.replace("$", "$$") native.genrule( name = "gen_" + name, outs = [out], cmd = "(cat <<'HEREDOC'\n%s\nHEREDOC\n) > $@" % contents, )