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packaging: use optimization level 3 and LTO by default

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Connor Baker 2024-12-21 04:22:27 +00:00 • committed by Connor Baker
parent deb3533eab
commit 359a0840e2
24 changed files with 15 additions and 48 deletions
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15
packaging/dependencies.nix
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@ -66,6 +66,21 @@ let
mesonLayer = finalAttrs: prevAttrs:
{
# NOTE:
# As of https://github.com/NixOS/nixpkgs/blob/8baf8241cea0c7b30e0b8ae73474cb3de83c1a30/pkgs/by-name/me/meson/setup-hook.sh#L26,
# `mesonBuildType` defaults to `plain` if not specified. We want our Nix-built binaries to be optimized by default.
# More on build types here: https://mesonbuild.com/Builtin-options.html#details-for-buildtype.
mesonBuildType = "release";
# NOTE:
# Users who are debugging Nix builds are expected to set the environment variable `mesonBuildType`, per the
# guidance in https://github.com/NixOS/nix/blob/8a3fc27f1b63a08ac983ee46435a56cf49ebaf4a/doc/manual/source/development/debugging.md?plain=1#L10.
# For this reason, we don't want to refer to `finalAttrs.mesonBuildType` here, but rather use the environment variable.
preConfigure = prevAttrs.preConfigure or "" + ''
case "$mesonBuildType" in
release|minsize) appendToVar mesonFlags "-Db_lto=true" ;;
*) appendToVar mesonFlags "-Db_lto=false" ;;
esac
'';
nativeBuildInputs = [
pkgs.buildPackages.meson
pkgs.buildPackages.ninja