#!/usr/bin/env bash # Run this script to regenerate descriptor.pb.{h,cc} after the protocol # compiler changes. Since these files are compiled into the protocol compiler # itself, they cannot be generated automatically by a make rule. "make check" # will fail if these files do not match what the protocol compiler would # generate. # # HINT: Flags passed to generate_descriptor_proto.sh will be passed directly # to make when building protoc. This is particularly useful for passing # -j4 to run 4 jobs simultaneously. if test ! -e src/google/protobuf/stubs/common.h; then cat >&2 << __EOF__ Could not find source code. Make sure you are running this script from the root of the distribution tree. __EOF__ exit 1 fi if test ! -e src/Makefile; then cat >&2 << __EOF__ Could not find src/Makefile. You must run ./configure (and perhaps ./autogen.sh) first. __EOF__ exit 1 fi cd src declare -a RUNTIME_PROTO_FILES=(\ google/protobuf/any.proto \ google/protobuf/api.proto \ google/protobuf/descriptor.proto \ google/protobuf/duration.proto \ google/protobuf/empty.proto \ google/protobuf/field_mask.proto \ google/protobuf/source_context.proto \ google/protobuf/struct.proto \ google/protobuf/timestamp.proto \ google/protobuf/type.proto \ google/protobuf/wrappers.proto) CORE_PROTO_IS_CORRECT=0 PROCESS_ROUND=1 TMP=$(mktemp -d) echo "Updating descriptor protos..." while [ $CORE_PROTO_IS_CORRECT -ne 1 ] do echo "Round $PROCESS_ROUND" CORE_PROTO_IS_CORRECT=1 make $@ protoc if test $? -ne 0; then echo "Failed to build protoc." exit 1 fi ./protoc --cpp_out=dllexport_decl=LIBPROTOBUF_EXPORT:$TMP ${RUNTIME_PROTO_FILES[@]} && \ ./protoc --cpp_out=dllexport_decl=LIBPROTOC_EXPORT:$TMP google/protobuf/compiler/plugin.proto for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]}; do BASE_NAME=${PROTO_FILE%.*} diff ${BASE_NAME}.pb.h $TMP/${BASE_NAME}.pb.h > /dev/null if test $? -ne 0; then CORE_PROTO_IS_CORRECT=0 fi diff ${BASE_NAME}.pb.cc $TMP/${BASE_NAME}.pb.cc > /dev/null if test $? -ne 0; then CORE_PROTO_IS_CORRECT=0 fi done diff google/protobuf/compiler/plugin.pb.h $TMP/google/protobuf/compiler/plugin.pb.h > /dev/null if test $? -ne 0; then CORE_PROTO_IS_CORRECT=0 fi diff google/protobuf/compiler/plugin.pb.cc $TMP/google/protobuf/compiler/plugin.pb.cc > /dev/null if test $? -ne 0; then CORE_PROTO_IS_CORRECT=0 fi # Only override the output if the files are different to avoid re-compilation # of the protoc. if [ $CORE_PROTO_IS_CORRECT -ne 1 ]; then for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]}; do BASE_NAME=${PROTO_FILE%.*} mv $TMP/${BASE_NAME}.pb.h ${BASE_NAME}.pb.h mv $TMP/${BASE_NAME}.pb.cc ${BASE_NAME}.pb.cc done mv $TMP/google/protobuf/compiler/plugin.pb.* google/protobuf/compiler/ fi PROCESS_ROUND=$((PROCESS_ROUND + 1)) done cd .. if test -x objectivec/generate_well_known_types.sh; then echo "Generating messages for objc." objectivec/generate_well_known_types.sh $@ fi if test -x csharp/generate_protos.sh; then echo "Generating messages for C#." csharp/generate_protos.sh $@ fi