Hi bazel-discuss and protobuf,
I am bringing in protobuf as an external bazel repository:
git_repository(
name = "protobuf_repo",
commit = "32daf513ced8d51e8de6cc8d800cfc972c4df5d6",
init_submodules = True,
remote = "https://github.com/google/protobuf.git";,
)
and using the protobuf_java target as a dependency in my bazel java
libraries. This fails generating the following message:
...
>>>>> # @protobuf_repo//:gen_well_known_protos_java [action 'Executing
genrule @protobuf_repo//:gen_well_known_protos_java']
(cd /private/var/tmp/_bazel_rohit/a10731376421707628e091029859af4a/beam && \
exec env - \
PATH='<snip>' \
TMPDIR=/var/folders/p2/yz_3gtqd4z9d15l2ptzcjbsm0000gn/T/ \
/bin/bash -c 'source external/bazel_tools/tools/genrule/genrule-setup.sh;
bazel-out/host/bin/external/protobuf_repo/protoc
--java_out=bazel-out/local_darwin-fastbuild/genfiles/external/protobuf_repo/wellknown.jar
-Isrc external/protobuf_repo/src/google/protobuf/any.proto
external/protobuf_repo/src/google/protobuf/api.proto
external/protobuf_repo/src/google/protobuf/compiler/plugin.proto
external/protobuf_repo/src/google/protobuf/descriptor.proto
external/protobuf_repo/src/google/protobuf/duration.proto
external/protobuf_repo/src/google/protobuf/empty.proto
external/protobuf_repo/src/google/protobuf/field_mask.proto
external/protobuf_repo/src/google/protobuf/source_context.proto
external/protobuf_repo/src/google/protobuf/struct.proto
external/protobuf_repo/src/google/protobuf/timestamp.proto
external/protobuf_repo/src/google/protobuf/type.proto
external/protobuf_repo/src/google/protobuf/wrappers.proto && mv
bazel-out/local_darwin-fastbuild/genfiles/external/protobuf_repo/wellknown.jar
bazel-out/local_darwin-fastbuild/genfiles/external/protobuf_repo/wellknown.srcjar')
ERROR:
/private/var/tmp/_bazel_rohit/a10731376421707628e091029859af4a/external/protobuf_repo/BUILD:461:1:
Couldn't build file external/protobuf_repo/wellknown.srcjar: Executing
genrule @protobuf_repo//:gen_well_known_protos_java failed: bash failed:
error executing command /bin/bash -c ... (remaining 1 argument(s) skipped):
com.google.devtools.build.lib.shell.BadExitStatusException: Process exited
with status 1.
src: warning: directory does not exist.
external/protobuf_repo/src/google/protobuf/any.proto: File does not reside
within any path specified using --proto_path (or -I). You must specify a
--proto_path which encompasses this file. Note that the proto_path must be
an exact prefix of the .proto file names -- protoc is too dumb to figure
out when two paths (e.g. absolute and relative) are equivalent (it's harder
than you think).
The warning has the clue, and if I were to replace the import path (-Isrc)
with -Iexternal/protobuf_repo/src. Is there an equivalent of bazel
workspace_root that can be used for the cmd in this genrule in
protobuf/BUILD?
genrule(
name = "gen_well_known_protos_java",
srcs = WELL_KNOWN_PROTOS,
outs = [
"wellknown.srcjar",
],
cmd = "$(location :protoc) --java_out=$(@D)/wellknown.jar" +
" -Isrc $(SRCS) " +
" && mv $(@D)/wellknown.jar $(@D)/wellknown.srcjar",
tools = [":protoc"],
)
Thanks,
Rohit Saboo
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