v3.6.0 crashes on Ubuntu 14.04 when compiling gRPC v1.15.0

[mpoullet]

What version of protobuf and what language are you using?
Version: v3.6.0 (this issue does not happen with v3.5.2)
Language: C++

What operating system (Linux, Windows, ...) and version?
Ubuntu 14.04 (this issue does not happen on 16.04 and 18.04)

What runtime / compiler are you using (e.g., python version or gcc version)
Default versions provided by Ubuntu 14.04 like g++ (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4

What did you do?
I build gRPC v1.15.0 on Ubuntu 14.04 in Travis CI (log) using this script. It builds protobuf v3.6.0 in the third_party/protobufdirectory. Then it uses it.

What did you expect to see
gRPC v1.15.0 build using protobuf v3.6.0 works.

What did you see instead?

[GRPC]    Generating gRPC's protobuf service CC file from src/proto/grpc/channelz/channelz.proto
terminate called after throwing an instance of 'std::system_error'
  what():  Unknown error -1
--grpc_out: protoc-gen-grpc: Plugin killed by signal 6.
make: *** [/home/travis/build/mpoullet/grpc/gens/src/proto/grpc/channelz/channelz.grpc.pb.cc] Error 1

Anything else we should know about your project / environment

• it started with this PR.
• then I've opened an issue in Build error with v1.15.0 and v1.16.0 on Travis CI (Ubuntu 14.04) | v1.14.0 builds ok grpc/grpc#17136
• then I've done a git bisect in gRPC to find out that grpc/grpc@894745d was responsible for breaking the build on Ubuntu 14.04.
• so now I open this issue here and hope someone (@Fleker / @jtattermusch / @acozzette) could help me fix the dependency chain assistant-sdk-cpp -> gRPC -> protobuf
• I've tried to bisect protobuf too and I can see that e436ee0 is good and fcde518 is bad which leaves 14 commits in between to inspect. As I'm totally new to protobuf that is the most i can report by myself.

[aduskett]

I am going to bump this, as Buildroot is also having this issue when trying to cross-compile grpc with protobuf. We have tried the latest two versions, and I have personally tried with 4.0-rc2 as well.

We are receiving the exact same error as @mpoullet and it's kind of sad that this bug has been ignored. :(

Edit:

If anybody wants to duplicate the error, you can easily do so with the following steps:

git clone https://github.com/aduskett/buildroot-docker-devel/
cd buildroot-docker-devel/Ubuntu/14.04/
docker-compose build
cd ~/Downloads
git clone git://git.buildroot.net/buildroot
docker run --rm --name br-ubuntu14.04 -v $(pwd):/mnt:Z -ti br-ubuntu14.04:latest /bin/bash
cd /mnt/buildroot/

At this point, copy the following and save it as configs/grpc_defconfig:

BR2_aarch64=y
# BR2_STRIP_strip is not set
# BR2_COMPILER_PARANOID_UNSAFE_PATH is not set
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64=y
# BR2_TARGET_ENABLE_ROOT_LOGIN is not set
# BR2_TARGET_GENERIC_GETTY is not set
# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
# BR2_ENABLE_LOCALE_PURGE is not set
BR2_PACKAGE_GRPC=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
# BR2_PACKAGE_URANDOM_SCRIPTS is not set
# BR2_TARGET_ROOTFS_TAR is not set

make grpc_defconfig
make grpc

This will puke out the above errors.

[yann-morin-1998]

I am going to bump this, as Buildroot is also having this issue when trying to cross-compile grpc with protobuf.

Nit: we are having the problem when building the native variant, i.e. a native build, not a cross-build.

The cross-build is OK in Buildroot.

[aduskett]

I am going to bump this, as Buildroot is also having this issue when trying to cross-compile grpc with protobuf.

Nit: we are having the problem when building the native variant, i.e. a native build, not a cross-build.

The cross-build is OK in Buildroot.

Sorry, yeah, this is the issue.

[heinemml]

In #5923 @snnn gave a good explanation what's going wrong.

To fix the grpc build (when upgrading the toolchain is not an option) pass this to the initial cmake command when building grpc:

cmake -DCMAKE_EXE_LINKER_FLAGS="-Wl,--no-as-needed" ../..

I submitted a patch to the buildroot Mailinglist.

Related issue:

• grpc make failed: protoc-gen-grpc: Plugin killed by signal 6: generated_message_util.cc:794] CHECK failed grpc/grpc#19265
• https://github.com/oudalab/co-incidents/issues/29

[gt945]

@heinemml thanks
I post link here for someone who meet same issue
http://buildroot-busybox.2317881.n4.nabble.com/git-commit-branch-2020-02-x-package-grpc-fix-build-on-ubuntu-gcc-4-8-td268725.html

[elharo]

grpc issue, and probably fixed there