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