249 lines
9.1 KiB
Nix
249 lines
9.1 KiB
Nix
{ stdenv, lib, fetchurl, fetchpatch, runCommand, makeWrapper
|
||
, jdk, zip, unzip, bash, writeCBin, coreutils
|
||
, which, python, perl, gnused, gnugrep, findutils
|
||
# Apple dependencies
|
||
, cctools, clang, libcxx, CoreFoundation, CoreServices, Foundation
|
||
# Allow to independently override the jdks used to build and run respectively
|
||
, buildJdk ? jdk, runJdk ? jdk
|
||
# Always assume all markers valid (don't redownload dependencies).
|
||
# Also, don't clean up environment variables.
|
||
, enableNixHacks ? false
|
||
}:
|
||
|
||
let
|
||
srcDeps = lib.singleton (
|
||
fetchurl {
|
||
url = "https://github.com/google/desugar_jdk_libs/archive/fd937f4180c1b557805219af4482f1a27eb0ff2b.zip";
|
||
sha256 = "04hs399340xfwcdajbbcpywnb2syp6z5ydwg966if3hqdb2zrf23";
|
||
}
|
||
);
|
||
|
||
distDir = runCommand "bazel-deps" {} ''
|
||
mkdir -p $out
|
||
for i in ${builtins.toString srcDeps}; do cp $i $out/$(stripHash $i); done
|
||
'';
|
||
|
||
defaultShellPath = lib.makeBinPath [ bash coreutils findutils gnugrep gnused which ];
|
||
|
||
in
|
||
stdenv.mkDerivation rec {
|
||
|
||
version = "0.18.0";
|
||
|
||
meta = with lib; {
|
||
homepage = "https://github.com/bazelbuild/bazel/";
|
||
description = "Build tool that builds code quickly and reliably";
|
||
license = licenses.asl20;
|
||
maintainers = [ maintainers.mboes ];
|
||
platforms = platforms.linux ++ platforms.darwin;
|
||
};
|
||
|
||
name = "bazel-${version}";
|
||
|
||
src = fetchurl {
|
||
url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
|
||
sha256 = "0mbi4n4wp1x73l8qksg4vyh2sba52xh9hfl2m518gv41g0pnvs6h";
|
||
};
|
||
|
||
sourceRoot = ".";
|
||
|
||
patches =
|
||
lib.optional enableNixHacks ./nix-hacks.patch;
|
||
|
||
# Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
|
||
|
||
customBash = writeCBin "bash" ''
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
|
||
extern char **environ;
|
||
|
||
int main(int argc, char *argv[]) {
|
||
char *path = getenv("PATH");
|
||
char *pathToAppend = "${defaultShellPath}";
|
||
char *newPath;
|
||
if (path != NULL) {
|
||
int length = strlen(path) + 1 + strlen(pathToAppend) + 1;
|
||
newPath = malloc(length * sizeof(char));
|
||
snprintf(newPath, length, "%s:%s", path, pathToAppend);
|
||
} else {
|
||
newPath = pathToAppend;
|
||
}
|
||
setenv("PATH", newPath, 1);
|
||
execve("${bash}/bin/bash", argv, environ);
|
||
return 0;
|
||
}
|
||
'';
|
||
|
||
postPatch = let
|
||
darwinPatches = ''
|
||
# 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
|
||
|
||
# Explicitly configure gcov since we don't have it on Darwin, so autodetection fails
|
||
export GCOV=${coreutils}/bin/false
|
||
|
||
# Framework search paths aren't added by bintools hook
|
||
# https://github.com/NixOS/nixpkgs/pull/41914
|
||
export NIX_LDFLAGS="$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 ${libcxx}/include/c++/v1"
|
||
|
||
# 10.10 apple_sdk Foundation doesn't have type arguments on classes
|
||
# Remove this when we update apple_sdk
|
||
sed -i -e 's/<.*\*>//g' tools/osx/xcode_locator.m
|
||
|
||
# don't use system installed Xcode to run clang, use Nix clang instead
|
||
sed -i -e "s;/usr/bin/xcrun clang;${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" $wrapper
|
||
done
|
||
'';
|
||
genericPatches = ''
|
||
find src/main/java/com/google/devtools -type f -print0 | while IFS="" read -r -d "" path; do
|
||
substituteInPlace "$path" \
|
||
--replace /bin/bash ${customBash}/bin/bash \
|
||
--replace /usr/bin/env ${coreutils}/bin/env
|
||
done
|
||
# Fixup scripts that generate scripts. Not fixed up by patchShebangs below.
|
||
substituteInPlace scripts/bootstrap/compile.sh \
|
||
--replace /bin/sh ${customBash}/bin/bash
|
||
|
||
echo "build --experimental_distdir=${distDir}" >> .bazelrc
|
||
echo "fetch --experimental_distdir=${distDir}" >> .bazelrc
|
||
echo "build --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\"" >> .bazelrc
|
||
echo "build --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\"" >> .bazelrc
|
||
echo "build --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\"" >> .bazelrc
|
||
echo "build --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\"" >> .bazelrc
|
||
sed -i -e "378 a --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
|
||
sed -i -e "378 a --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
|
||
sed -i -e "378 a --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
|
||
sed -i -e "378 a --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
|
||
|
||
# --experimental_strict_action_env (which will soon become the
|
||
# default, see bazelbuild/bazel#2574) hardcodes the default
|
||
# action environment to a value that on NixOS at least is bogus.
|
||
# So we hardcode it to something useful.
|
||
substituteInPlace \
|
||
src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java \
|
||
--replace /bin:/usr/bin ${defaultShellPath}
|
||
|
||
# append the PATH with defaultShellPath in tools/bash/runfiles/runfiles.bash
|
||
echo "PATH=$PATH:${defaultShellPath}" >> runfiles.bash.tmp
|
||
cat tools/bash/runfiles/runfiles.bash >> runfiles.bash.tmp
|
||
mv runfiles.bash.tmp tools/bash/runfiles/runfiles.bash
|
||
|
||
patchShebangs .
|
||
'';
|
||
in lib.optionalString stdenv.hostPlatform.isDarwin darwinPatches
|
||
+ genericPatches;
|
||
|
||
buildInputs = [
|
||
buildJdk
|
||
];
|
||
|
||
nativeBuildInputs = [
|
||
zip
|
||
python
|
||
unzip
|
||
makeWrapper
|
||
which
|
||
customBash
|
||
] ++ 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).
|
||
# Change this to $(mktemp -d) as soon as we figure out why.
|
||
|
||
buildPhase = ''
|
||
export TMPDIR=/tmp/.bazel-$UID
|
||
./compile.sh
|
||
scripts/generate_bash_completion.sh \
|
||
--bazel=./output/bazel \
|
||
--output=output/bazel-complete.bash \
|
||
--prepend=scripts/bazel-complete-template.bash
|
||
'';
|
||
|
||
# Build the CPP and Java examples to verify that Bazel works.
|
||
|
||
doCheck = true;
|
||
checkPhase = ''
|
||
export TEST_TMPDIR=$(pwd)
|
||
./output/bazel test --test_output=errors \
|
||
examples/cpp:hello-success_test \
|
||
examples/java-native/src/test/java/com/example/myproject:hello
|
||
'';
|
||
|
||
installPhase = ''
|
||
mkdir -p $out/bin
|
||
|
||
# official wrapper scripts that searches for $WORKSPACE_ROOT/tools/bazel
|
||
# if it can’t find something in tools, it calls $out/bin/bazel-real
|
||
cp scripts/packages/bazel.sh $out/bin/bazel
|
||
mv output/bazel $out/bin/bazel-real
|
||
|
||
wrapProgram "$out/bin/bazel" --set JAVA_HOME "${runJdk}"
|
||
|
||
# shell completion files
|
||
mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
|
||
mv output/bazel-complete.bash $out/share/bash-completion/completions/bazel
|
||
cp scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
|
||
'';
|
||
|
||
doInstallCheck = true;
|
||
installCheckPhase = ''
|
||
export TEST_TMPDIR=$(pwd)
|
||
|
||
hello_test () {
|
||
$out/bin/bazel test --test_output=errors \
|
||
examples/cpp:hello-success_test \
|
||
examples/java-native/src/test/java/com/example/myproject:hello
|
||
}
|
||
|
||
# test whether $WORKSPACE_ROOT/tools/bazel works
|
||
|
||
mkdir -p tools
|
||
cat > tools/bazel <<"EOF"
|
||
#!${stdenv.shell} -e
|
||
exit 1
|
||
EOF
|
||
chmod +x tools/bazel
|
||
|
||
# first call should fail if tools/bazel is used
|
||
! hello_test
|
||
|
||
cat > tools/bazel <<"EOF"
|
||
#!${stdenv.shell} -e
|
||
exec "$BAZEL_REAL" "$@"
|
||
EOF
|
||
|
||
# second call succeeds because it defers to $out/bin/bazel-real
|
||
hello_test
|
||
'';
|
||
|
||
# Save paths to hardcoded dependencies so Nix can detect them.
|
||
postFixup = ''
|
||
mkdir -p $out/nix-support
|
||
echo "${customBash} ${defaultShellPath}" > $out/nix-support/depends
|
||
'';
|
||
|
||
dontStrip = true;
|
||
dontPatchELF = true;
|
||
}
|