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bazel: fix darwin build on hydra #44181

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Aug 13, 2018
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bazel: fix darwin build on hydra #44181

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31 changes: 29 additions & 2 deletions pkgs/development/tools/build-managers/bazel/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
# Also, don't clean up environment variables.
, enableNixHacks ? false
# Apple dependencies
, libcxx, CoreFoundation, CoreServices, Foundation
, cctools, clang, libcxx, CoreFoundation, CoreServices, Foundation
}:

let
Expand Down Expand Up @@ -75,7 +75,34 @@ stdenv.mkDerivation rec {
'';

postPatch = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin ''
# Disable Bazel's Xcode toolchain detection which would configure compilers
# and linkers from Xcode instead of from PATH
export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1

# Framework search paths aren't added by bintools hook
# https://github.com/NixOS/nixpkgs/pull/41914
export NIX_LDFLAGS="$NIX_LDFLAGS -F${CoreFoundation}/Library/Frameworks -F${CoreServices}/Library/Frameworks -F${Foundation}/Library/Frameworks"

# libcxx includes aren't added by libcxx hook
# https://github.com/NixOS/nixpkgs/pull/41589
export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -isystem ${libcxx}/include/c++/v1"

# don't use system installed Xcode to run clang, use Nix clang instead
sed -i -e "s;/usr/bin/xcrun clang;${clang}/bin/clang $NIX_CFLAGS_COMPILE $NIX_LDFLAGS -framework CoreFoundation;g" \
scripts/bootstrap/compile.sh \
src/tools/xcode/realpath/BUILD \
src/tools/xcode/stdredirect/BUILD \
tools/osx/BUILD

# clang installed from Xcode has a compatibility wrapper that forwards
# invocations of gcc to clang, but vanilla clang doesn't
sed -i -e 's;_find_generic(repository_ctx, "gcc", "CC", overriden_tools);_find_generic(repository_ctx, "clang", "CC", overriden_tools);g' tools/cpp/unix_cc_configure.bzl

sed -i -e 's;/usr/bin/libtool;${cctools}/bin/libtool;g' tools/cpp/unix_cc_configure.bzl
wrappers=( tools/cpp/osx_cc_wrapper.sh tools/cpp/osx_cc_wrapper.sh.tpl )
for wrapper in "''${wrappers[@]}"; do
sed -i -e "s,/usr/bin/install_name_tool,${cctools}/bin/install_name_tool,g" $wrapper
done
'' + ''
find src/main/java/com/google/devtools -type f -print0 | while IFS="" read -r -d "" path; do
substituteInPlace "$path" \
Expand Down Expand Up @@ -119,7 +146,7 @@ stdenv.mkDerivation rec {
makeWrapper
which
customBash
] ++ lib.optionals (stdenv.isDarwin) [ libcxx CoreFoundation CoreServices Foundation ];
] ++ lib.optionals (stdenv.isDarwin) [ cctools clang libcxx CoreFoundation CoreServices Foundation ];

# If TMPDIR is in the unpack dir we run afoul of blaze's infinite symlink
# detector (see com.google.devtools.build.lib.skyframe.FileFunction).
Expand Down
1 change: 1 addition & 0 deletions pkgs/top-level/all-packages.nix
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Expand Up @@ -7838,6 +7838,7 @@ with pkgs;

bazel_0_4 = callPackage ../development/tools/build-managers/bazel/0.4.nix { };
bazel = callPackage ../development/tools/build-managers/bazel {
inherit (darwin) cctools;
inherit (darwin.apple_sdk.frameworks) CoreFoundation CoreServices Foundation;
};

Expand Down