Looks like another package that was added back in the Tinderbox days (for perf testing?). I would assume whatever purpose this had was long ago subsumed by talos.

This was a prerequisite of one of the original perf tests, yes, and is long moot. I wish we could get rid of perl altogether.

Some day, maybe :). Thanks! http://hg.mozilla.org/mozilla-build/rev/845a22575ad7

$ hg locate '*.pl' build/unix/abs2rel.pl build/unix/uniq.pl config/make-atom-strings.pl config/milestone.pl config/module2dir.pl config/version_win.pl docshell/test/chrome/gen_template.pl dom/xslt/tests/buster/helper/generate-rdf.pl extensions/spellcheck/locales/en-US/hunspell/dictionary-sources/dupe-dictionary.pl gfx/cairo/libpixman/src/make-combine.pl gfx/tests/process-textruns.pl gfx/thebes/genLanguageTagList.pl intl/chardet/tools/charfreq.pl intl/chardet/tools/charfreqtostat.pl intl/chardet/tools/genbig5.pl intl/chardet/tools/gencp1252.pl intl/chardet/tools/gencyrillic.pl intl/chardet/tools/geneucjp.pl intl/chardet/tools/geneuckr.pl intl/chardet/tools/geneuctw.pl intl/chardet/tools/gengb18030.pl intl/chardet/tools/gengb2312.pl intl/chardet/tools/genhz.pl intl/chardet/tools/geniso2022cn.pl intl/chardet/tools/geniso2022jp.pl intl/chardet/tools/geniso2022kr.pl intl/chardet/tools/gensjis.pl intl/chardet/tools/genutf8.pl intl/icu/source/common/rbbicst.pl intl/icu/source/i18n/regexcst.pl intl/icu/source/tools/genren/genren.pl intl/icu/source/tools/gensprep/filterRFC3454.pl intl/icu/source/tools/memcheck/ICUMemCheck.pl intl/lwbrk/tools/anzx4051.pl intl/uconv/tests/stressgb.pl intl/uconv/tools/adobe.pl intl/uconv/tools/cp936tocdx.pl intl/uconv/tools/gen-big5hkscs-2001-mozilla.pl intl/uconv/tools/gengb18030tables.pl intl/uconv/tools/genimpldefine.pl intl/uconv/tools/jamap.pl intl/uconv/tools/jis0212tojdx.pl intl/uconv/tools/mkjpconv.pl intl/uconv/tools/parse-mozilla-encoding-table.pl intl/uconv/tools/unihan2cns.pl intl/unicharutil/tests/genNormalizationData.pl intl/unicharutil/tools/genSpecialCasingData.pl intl/unicharutil/tools/genUnicodePropertyData.pl intl/unicharutil/tools/gentransliterate.pl layout/mathml/updateOperatorDictionary.pl layout/reftests/fonts/generate-bitpattern-font.pl layout/tools/reftest/clean-reftest-output.pl layout/tools/reftest/reftest-to-html.pl media/libopus/celt/arm/arm2gnu.pl media/libtheora/lib/arm/arm2gnu.pl media/libvpx/build/make/ads2gas.pl modules/freetype2/src/tools/afblue.pl netwerk/test/neckoTiming.pl nsprpub/admin/explode.pl nsprpub/config/make-system-wrappers.pl nsprpub/config/nfspwd.pl nsprpub/pr/src/misc/compile-et.pl nsprpub/pr/tests/runtests.pl security/manager/ssl/tests/unit/test_certificate_usages/generate.pl security/nss/cmd/signver/examples/1/form.pl security/nss/cmd/signver/examples/1/signedForm.pl security/nss/coreconf/coreconf.pl security/nss/coreconf/cpdist.pl security/nss/coreconf/import.pl security/nss/coreconf/jniregen.pl security/nss/coreconf/outofdate.pl security/nss/coreconf/release.pl security/nss/coreconf/version.pl security/nss/lib/freebl/mpi/types.pl security/nss/lib/freebl/mpi/utils/ptab.pl testing/mochitest/gen_template.pl toolkit/locales/compare-locales.pl tools/footprint/leak-gauge.pl tools/jprof/split-profile.pl tools/memory/bloattable.pl tools/page-loader/dump.pl tools/page-loader/echo.pl tools/page-loader/graph.pl tools/page-loader/loader.pl tools/page-loader/report.pl tools/performance/layout/Averagetable2.pl tools/performance/layout/Footer.pl tools/performance/layout/Header.pl tools/performance/layout/collect.pl tools/performance/layout/genfromlogs.pl tools/performance/layout/history.pl tools/performance/layout/perf.pl tools/performance/layout/uncombine.pl tools/performance/startup/gettime.pl tools/performance/startup/startup-unix.pl tools/rb/bloatdiff.pl tools/rb/filter-log.pl tools/rb/find-comptr-leakers.pl tools/rb/find-leakers.pl tools/rb/fix-linux-stack.pl tools/rb/make-tree.pl tools/reorder/missing-syms.pl tools/tests/ctor-dtor.pl tools/tests/isa-module.pl tools/trace-malloc/blame.pl tools/trace-malloc/diffbloatdump.pl tools/trace-malloc/histogram.pl tools/trace-malloc/leak-soup.pl tools/trace-malloc/merge.pl tools/trace-malloc/uncategorized.pl tools/update-packaging/unwrap_full_update.pl xpcom/reflect/xptcall/genstubs.pl xpcom/tools/analyze-xpcom-log.pl I'm sure many of these could be deleted outright. We still use milestone.pl as part of the build. Should be easy enough to rewrite in Python.