nixpkgs/pkgs/build-support/release/nix-build.nix
Eelco Dolstra 79072e871f * Preserve meta attributes from the caller.
svn path=/nixpkgs/trunk/; revision=13433
2008-11-26 14:34:29 +00:00

92 lines
3 KiB
Nix

# This function builds and tests an Autoconf-style source tarball.
# The result can be installed normally in an environment (e.g., after
# making it available through a channel). If `doCoverageAnalysis' is
# true, it does an ordinary build from a source tarball, except that
# it turns on GCC's coverage analysis feature. It then runs `make
# check' and produces a coverage analysis report using `lcov'.
args: with args;
stdenv.mkDerivation (
{
name = "nix-build";
# Also run a `make check'.
doCheck = true;
# When doing coverage analysis, we don't care about the result.
dontInstall = doCoverageAnalysis;
showBuildStats = true;
lcovFilter = ["/nix/store/*"];
# Hack - swap checkPhase and installPhase (otherwise Stratego barfs).
phases = "unpackPhase patchPhase configurePhase buildPhase installPhase checkPhase fixupPhase distPhase ${if doCoverageAnalysis then "coverageReportPhase" else ""}";
}
// args //
{
src = src.path;
postHook = ''
ensureDir $out/nix-support
echo "$system" > $out/nix-support/system
if test -z "${toString doCoverageAnalysis}"; then
echo "nix-build none $out" >> $out/nix-support/hydra-build-products
fi
# If `src' is the result of a call to `makeSourceTarball', then it
# has a subdirectory containing the actual tarball(s). If there are
# multiple tarballs, just pick the first one.
echo $src
if test -d $src/tarballs; then
src=$(ls $src/tarballs/*.tar.bz2 $src/tarballs/*.tar.gz | sort | head -1)
fi
# Hack to compress log files. Prevents (by pointer hiding!)
# unnecessary dependencies.
startLogWrite() {
# Use process substitution to send the FIFO output to both
# stdout and bzip2.
bash -c "tee >(bzip2 > \"$1\".bz2) < \"$2\"" &
logWriterPid=$!
}
# Set GCC flags for coverage analysis, if desired.
if test -n "${toString doCoverageAnalysis}"; then
export NIX_CFLAGS_COMPILE="-O0 -fprofile-arcs -ftest-coverage $NIX_CFLAGS_COMPILE"
export CFLAGS="-O0"
export CXXFLAGS="-O0"
fi
''; # */
# In the report phase, create a coverage analysis report.
coverageReportPhase = if doCoverageAnalysis then ''
${args.lcov}/bin/lcov --directory . --capture --output-file app.info
set -o noglob
${args.lcov}/bin/lcov --remove app.info $lcovFilter > app2.info
set +o noglob
mv app2.info app.info
mkdir $out/coverage
${args.lcov}/bin/genhtml app.info -o $out/coverage > log
# Grab the overall coverage percentage for use in release overviews.
grep "Overall coverage rate" log | sed 's/^.*(\(.*\)%).*$/\1/' > $out/nix-support/coverage-rate
echo "report coverage $out/coverage" >> $out/nix-support/hydra-build-products
'' else "";
meta = (if args ? meta then args.meta else {}) // {
description = if doCoverageAnalysis then "Coverage analysis" else "Native Nix build on ${stdenv.system}";
};
}
)