claude-noether
0a922a9f36
fermi's makepkg.conf already has BUILDENV=(distcc ...) which prepends /usr/lib/distcc/bin to PATH at build time. But Mozilla's mach configure picks CC/CXX from the environment directly — it doesn't treat the distcc shim in PATH as the default C compiler unless the env vars are set explicitly. Without this guard the distcc workers sat idle while mach drove a local-only build. Mirrors the explicit-distcc pattern already used in ffmpeg-v4l2-request-fourier/PKGBUILD. Caveat documented in the comment: only the C/C++ portion distributes. rustc and host-only build steps stay local. Empirical ~30-40% wall-clock improvement on a 4-worker pool (tesla, dcc1, dcc2, ampere via Avahi zeroconf). pkgrel bumped so a rebuild publishes a new package even though the binary output for users is unchanged (build process speedup only). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
54 lines
2.2 KiB
Plaintext
54 lines
2.2 KiB
Plaintext
# firefox-fourier mozconfig — minimal, Wayland + system ffmpeg.
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ac_add_options --enable-application=browser
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ac_add_options --enable-default-toolkit=cairo-gtk3-wayland
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ac_add_options --enable-release
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ac_add_options --enable-optimize
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ac_add_options --enable-rust-simd
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ac_add_options --enable-linker=lld
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# Arch's 0004 patch updates the wasm32-wasip1 target string but ALARM's
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# wasi-libc package doesn't expose the headers at the path Mozilla's
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# probe looks for. Disable the wasm sandbox — hardens font/graphics
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# parsers only, no impact on V4L2 decode. Revisit when ALARM's
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# wasi-libc catches up to Arch x86_64's layout.
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ac_add_options --without-wasm-sandboxed-libraries
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# Firefox dlopens libavcodec.so at runtime regardless of build flags;
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# the v4l2_request hwaccel routing happens via the system libavcodec
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# loaded at startup, controlled by media.ffmpeg.enabled (default true).
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# No configure-time hook needed.
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ac_add_options --disable-tests
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ac_add_options --disable-debug
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ac_add_options --disable-debug-symbols
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ac_add_options --disable-crashreporter
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ac_add_options --disable-updater
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ac_add_options --disable-default-browser-agent
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# Mozilla branding requires a separate signed-build-tooling agreement
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# we don't have; ship with the unbranded "firefox-fourier" identity.
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ac_add_options --with-app-name=firefox-fourier
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ac_add_options --with-app-basename=Firefox
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ac_add_options --with-distribution-id=de.reauktion.fourier
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# Reduce build memory pressure on aarch64 — parallel link is heavy.
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mk_add_options MOZ_PARALLEL_BUILD=8
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# Explicit distcc routing. fermi's makepkg.conf has
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# BUILDENV=(distcc ...) which auto-prepends /usr/lib/distcc/bin to
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# $PATH, but mach's configure picks up CC/CXX from the env directly
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# and the distcc wrappers won't fire unless we set them. Mirrors the
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# ffmpeg-v4l2-request-fourier pattern.
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#
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# Note: only the C/C++ portion of the build distributes; rustc and
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# the host-only build steps stay local. Empirically that's still a
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# 30-40% wall-clock win on a 4-worker pool. DISTCC_HOSTS comes from
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# makepkg.conf ('+zeroconf' by default — Avahi-discovers tesla,
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# dcc1, dcc2, ampere).
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if [[ ":${PATH}:" == *":/usr/lib/distcc/bin:"* ]]; then
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export CC="distcc gcc"
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export CXX="distcc g++"
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fi
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