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{ stdenv
, lib
, fetchFromGitea
, fetchurl
, runCommand
, fcft
, freetype
, pixman
, libxkbcommon
, fontconfig
, wayland
, meson
, ninja
, ncurses
, scdoc
, tllist
, wayland-protocols
, wayland-scanner
, pkg-config
, utf8proc
, allowPgo ? true
, python3 # for PGO
# for clang stdenv check
, foot
, llvmPackages
, llvmPackages_latest
}:
let
version = "1.10.1";
# build stimuli file for PGO build and the script to generate it
# independently of the foot's build, so we can cache the result
# and avoid unnecessary rebuilds as it can take relatively long
# to generate
#
# For every bump, make sure that the hash is still accurate.
stimulusGenerator = stdenv.mkDerivation {
name = "foot-generate-alt-random-writes";
src = fetchurl {
url = "https://codeberg.org/dnkl/foot/raw/tag/${version}/scripts/generate-alt-random-writes.py";
sha256 = "0w4d0rxi54p8lvbynypcywqqwbbzmyyzc0svjab27ngmdj1034ii";
};
dontUnpack = true;
buildInputs = [ python3 ];
installPhase = ''
install -Dm755 $src $out
'';
};
stimuliFile = runCommand "pgo-stimulus-file" { } ''
${stimulusGenerator} \
--rows=67 --cols=135 \
--scroll --scroll-region \
--colors-regular --colors-bright --colors-256 --colors-rgb \
--attr-bold --attr-italic --attr-underline \
--sixel \
--seed=2305843009213693951 \
$out
'';
compilerName =
if stdenv.cc.isClang
then "clang"
else if stdenv.cc.isGNU
then "gcc"
else "unknown";
# https://codeberg.org/dnkl/foot/src/branch/master/INSTALL.md#performance-optimized-pgo
pgoCflags = {
"clang" = "-O3 -Wno-ignored-optimization-argument";
"gcc" = "-O3";
}."${compilerName}";
# ar with lto support
ar = stdenv.cc.bintools.targetPrefix + {
"clang" = "llvm-ar";
"gcc" = "gcc-ar";
"unknown" = "ar";
}."${compilerName}";
# PGO only makes sense if we are not cross compiling and
# using a compiler which foot's PGO build supports (clang or gcc)
doPgo = allowPgo && (stdenv.hostPlatform == stdenv.buildPlatform)
&& compilerName != "unknown";
terminfoDir = "${placeholder "terminfo"}/share/terminfo";
in
stdenv.mkDerivation rec {
pname = "foot";
inherit version;
src = fetchFromGitea {
domain = "codeberg.org";
owner = "dnkl";
repo = pname;
rev = version;
sha256 = "12n1v9by519fg40xvjf4v0g2phi08lcg0clz7rxs2i2xwlizz7nc";
};
depsBuildBuild = [
pkg-config
];
nativeBuildInputs = [
wayland-scanner
meson
ninja
ncurses
scdoc
pkg-config
] ++ lib.optionals (compilerName == "clang") [
stdenv.cc.cc.libllvm.out
];
buildInputs = [
tllist
wayland-protocols
fontconfig
freetype
pixman
wayland
libxkbcommon
fcft
utf8proc
];
# recommended build flags for performance optimized foot builds
# https://codeberg.org/dnkl/foot/src/branch/master/INSTALL.md#release-build
CFLAGS =
if !doPgo
then "-O3 -fno-plt"
else pgoCflags;
# ar with gcc plugins for lto objects
preConfigure = ''
export AR="${ar}"
'';
mesonBuildType = "release";
# See https://codeberg.org/dnkl/foot/src/tag/1.9.2/INSTALL.md#options
mesonFlags = [
# Use lto
"-Db_lto=true"
# “Build” and install terminfo db
"-Dterminfo=enabled"
# Ensure TERM=foot is used
"-Ddefault-terminfo=foot"
# Tell foot to set TERMINFO and where to install the terminfo files
"-Dcustom-terminfo-install-location=${terminfoDir}"
];
# build and run binary generating PGO profiles,
# then reconfigure to build the normal foot binary utilizing PGO
preBuild = lib.optionalString doPgo ''
meson configure -Db_pgo=generate
ninja
# make sure there is _some_ profiling data on all binaries
./footclient --version
./foot --version
# generate pgo data of wayland independent code
./pgo ${stimuliFile} ${stimuliFile} ${stimuliFile}
meson configure -Db_pgo=use
'' + lib.optionalString (doPgo && compilerName == "clang") ''
llvm-profdata merge default_*profraw --output=default.profdata
'';
# Install example themes which can be added to foot.ini via the include
# directive to a separate output to save a bit of space
postInstall = ''
moveToOutput share/foot/themes "$themes"
'';
outputs = [ "out" "terminfo" "themes" ];
passthru.tests = {
clang-default-compilation = foot.override {
inherit (llvmPackages) stdenv;
};
clang-latest-compilation = foot.override {
inherit (llvmPackages_latest) stdenv;
};
noPgo = foot.override {
allowPgo = false;
};
# By changing name, this will get rebuilt everytime we change version,
# even if the hash stays the same. Consequently it'll fail if we introduce
# a hash mismatch when updating.
stimulus-script-is-current = stimulusGenerator.src.overrideAttrs (_: {
name = "generate-alt-random-writes-${version}.py";
});
};
meta = with lib; {
homepage = "https://codeberg.org/dnkl/foot/";
changelog = "https://codeberg.org/dnkl/foot/releases/tag/${version}";
description = "A fast, lightweight and minimalistic Wayland terminal emulator";
license = licenses.mit;
maintainers = [ maintainers.sternenseemann ];
platforms = platforms.linux;
# From (presumably) ncurses version 6.3, it will ship a foot
# terminfo file. This however won't include some non-standard
# capabilities foot's bundled terminfo file contains. Unless we
# want to have some features in e. g. vim or tmux stop working,
# we need to make sure that the foot terminfo overwrites ncurses'
# one. Due to <nixpkgs/nixos/modules/config/system-path.nix>
# ncurses is always added to environment.systemPackages on
# NixOS with its priority increased by 3, so we need to go
# one bigger.
# This doesn't matter a lot for local use since foot sets
# TERMINFO to a store path, but allows installing foot.terminfo
# on remote systems for proper foot terminfo support.
priority = (ncurses.meta.priority or 5) + 3 + 1;
};
}
|