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#!/bin/sh
# 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
echo "Updating descriptor protos..."
while [ $CORE_PROTO_IS_CORRECT -ne 1 ]
do
echo "Round $PROCESS_ROUND"
CORE_PROTO_IS_CORRECT=1
for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]}; do
BASE_NAME=${PROTO_FILE%.*}
cp ${BASE_NAME}.pb.h ${BASE_NAME}.pb.h.tmp
cp ${BASE_NAME}.pb.cc ${BASE_NAME}.pb.cc.tmp
done
cp google/protobuf/compiler/plugin.pb.h google/protobuf/compiler/plugin.pb.h.tmp
cp google/protobuf/compiler/plugin.pb.cc google/protobuf/compiler/plugin.pb.cc.tmp
make $@ protoc &&
./protoc --cpp_out=dllexport_decl=LIBPROTOBUF_EXPORT:. ${RUNTIME_PROTO_FILES[@]} && \
./protoc --cpp_out=dllexport_decl=LIBPROTOC_EXPORT:. google/protobuf/compiler/plugin.proto
for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]}; do
BASE_NAME=${PROTO_FILE%.*}
diff ${BASE_NAME}.pb.h ${BASE_NAME}.pb.h.tmp > /dev/null
if test $? -ne 0; then
CORE_PROTO_IS_CORRECT=0
fi
diff ${BASE_NAME}.pb.cc ${BASE_NAME}.pb.cc.tmp > /dev/null
if test $? -ne 0; then
CORE_PROTO_IS_CORRECT=0
fi
done
diff google/protobuf/compiler/plugin.pb.h google/protobuf/compiler/plugin.pb.h.tmp > /dev/null
if test $? -ne 0; then
CORE_PROTO_IS_CORRECT=0
fi
diff google/protobuf/compiler/plugin.pb.cc google/protobuf/compiler/plugin.pb.cc.tmp > /dev/null
if test $? -ne 0; then
CORE_PROTO_IS_CORRECT=0
fi
for PROTO_FILE in ${RUNTIME_PROTO_FILES[@]}; do
BASE_NAME=${PROTO_FILE%.*}
rm ${BASE_NAME}.pb.h.tmp
rm ${BASE_NAME}.pb.cc.tmp
done
rm google/protobuf/compiler/plugin.pb.h.tmp
rm google/protobuf/compiler/plugin.pb.cc.tmp
PROCESS_ROUND=$((PROCESS_ROUND + 1))
done
cd ..
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