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buildBazelPackage: disable multithreaded fetching

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To work around https://github.com/bazelbuild/bazel/issues/6502.
This commit is contained in:
Timo Kaufmann 2019-06-20 20:01:22 +02:00
parent 0cfd90a109
commit 883725b22f
1 changed files with 4 additions and 2 deletions
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6
pkgs/build-support/build-bazel-package/default.nix
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@ -34,8 +34,10 @@ in stdenv.mkDerivation (fBuildAttrs // {
# https://github.com/bazelbuild/bazel/blob/9323c57607d37f9c949b60e293b573584906da46/src/main/cpp/startup_options.cc#L123-L124
#
# On macOS Bazel will use the system installed Xcode or CLT toolchain instead of the one in the PATH unless we pass BAZEL_USE_CPP_ONLY_TOOLCHAIN
#
BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 USER=homeless-shelter bazel --output_base="$bazelOut" --output_user_root="$bazelUserRoot" fetch $bazelFlags $bazelTarget
# We disable multithreading for the fetching phase since it can lead to timeouts with many dependencies/threads:
# https://github.com/bazelbuild/bazel/issues/6502
BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 USER=homeless-shelter bazel --output_base="$bazelOut" --output_user_root="$bazelUserRoot" fetch --loading_phase_threads=1 $bazelFlags $bazelTarget
runHook postBuild
'';