1#!/bin/sh
2
3# Run this script to regenerate descriptor.pb.{h,cc} after the protocol
4# compiler changes.  Since these files are compiled into the protocol compiler
5# itself, they cannot be generated automatically by a make rule.  "make check"
6# will fail if these files do not match what the protocol compiler would
7# generate.
8#
9# HINT:  Flags passed to generate_descriptor_proto.sh will be passed directly
10#   to make when building protoc.  This is particularly useful for passing
11#   -j4 to run 4 jobs simultaneously.
12
13if test ! -e src/google/protobuf/stubs/common.h; then
14  cat >&2 << __EOF__
15Could not find source code.  Make sure you are running this script from the
16root of the distribution tree.
17__EOF__
18  exit 1
19fi
20
21if test ! -e src/Makefile; then
22  cat >&2 << __EOF__
23Could not find src/Makefile.  You must run ./configure (and perhaps
24./autogen.sh) first.
25__EOF__
26  exit 1
27fi
28
29cd src
30make $@ protoc &&
31  ./protoc --cpp_out=dllexport_decl=LIBPROTOBUF_EXPORT:. google/protobuf/descriptor.proto && \
32  ./protoc --cpp_out=dllexport_decl=LIBPROTOC_EXPORT:. google/protobuf/compiler/plugin.proto
33cd ..
34