bootstrap

#!/bin/sh

# SPDX-License-Identifier: MPL-2.0

# Copyright © 2018-2026 Firas Khana

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.

set -eu

for exe in \
autoconf automake autopoint gperf libtool m4 make meson ninja pkg-config \
clang clang++ ld.lld llvm-ar llvm-mc llvm-nm llvm-objcopy llvm-objdump \
llvm-ranlib llvm-readelf llvm-size llvm-strip \
awk bash flex perl yacc \
curl git \
chroot diff find grep sed patch \
bzip2 gzip tar xxhsum xz zstd \
limine mkfs.erofs mkfs.fat \
; do
  if ! command -v "$exe" > /dev/null 2>&1; then
    printf -- '%s\n' "$exe not found"
    exit 127
  fi
done

glaucus="$(cd "$(dirname "$0")/.." && pwd -P)"
: "${glaucus:?}"

rm -fR \
  "$glaucus/cross" \
  "$glaucus/log" \
  "$glaucus/tmp" \
  "$glaucus/toolchain"

mkdir -p \
  "$glaucus/cross" \
  "$glaucus/log" \
  "$glaucus/pkg" \
  "$glaucus/src" \
  "$glaucus/tmp" \
  "$glaucus/toolchain/bin"

cp -fPp \
  "$glaucus/core/autoconf/files/glaucus-configure" \
  "$glaucus/core/cmake/files/glaucus-cmake" \
  "$glaucus/core/muon/files/glaucus-meson" \
  "$glaucus/toolchain/bin"

for stub in \
a2x asciidoc gtkdocize help2man ldconfig makeinfo po4a texi2dvi texi2html \
texi2pdf yodl2man \
; do
  cp -fPp "$glaucus/core/musl/files/true" "$glaucus/toolchain/bin/$stub"
done

export PATH="$glaucus/toolchain/bin:$PATH"

export AR=llvm-ar
export AS=llvm-mc
export CC=clang
export CPP='clang -E'
export CXX=clang++
export CXXCPP='clang++ -E'
# silence `netbsd-curses` for now because of cflags; will be changed to `clang`
export HOSTCC=gcc
export LD=ld.lld
export NM=llvm-nm
export OBJCOPY=llvm-objcopy
export OBJDUMP=llvm-objdump
export RANLIB=llvm-ranlib
export READELF=llvm-readelf
export SIZE=llvm-size
export STRIP=llvm-strip

export ARCH=x86-64
export CFLAGS="--target=x86_64-pc-linux-musl --sysroot=$glaucus/cross --rtlib=compiler-rt -unwindlib=libunwind --stdlib=libc++"
export CROSS_COMPILE=x86_64-pc-linux-musl-
export CXXFLAGS="$CFLAGS"
export LDFLAGS="$CFLAGS"
export MAKEFLAGS='-j 5 -O'
export PKG_CONFIG_LIBDIR="$glaucus/cross/usr/lib/pkgconfig"
export PKG_CONFIG_PATH="$glaucus/cross/usr/lib/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="$glaucus/cross/"
export PKG_CONFIG_SYSTEM_INCLUDE_PATH="$glaucus/cross/usr/include"
export PKG_CONFIG_SYSTEM_LIBRARY_PATH="$glaucus/cross/usr/lib"
export PRETTY_NAME='glaucus s6 x86-64-v3'

# used inside build scripts, but should not propagate to upstream packages build environments (so no `export`)
build="$("$glaucus/core/slibtool/files/config.guess")"
host=x86_64-pc-linux-musl
target=x86_64-pc-linux-musl

cross="$glaucus/cross"
dir="$glaucus/cross"
toolchain="$glaucus/toolchain"

core="$glaucus/core"
tmp="$glaucus/tmp"

bootstrap=1

for pkg in \
fs linux-headers musl-headers fortify-headers \
compiler-rt musl llvm-runtimes \
expat netbsd-curses libedit yash \
skalibs execline s6 utmps \
libcap libressl shadow xxhash \
bzip2 libz lz4 xz zstd libarchive \
autoconf flex gettext-tiny m4 make slibtool u-config \
libudev-zero toybox util-linux wak \
; do
  # using a subshell removes the need to unset
  # unset ver url sum bld run opt lic
  # unset prepare configure build check package
  (
    nom="$pkg"

    . "$glaucus/core/$pkg/info"

    printf -- '%s\n' "$pkg ${ver-}"

    if [ -n "${url-}" ]; then
      printf -- '~~ fetch\n'
      if [ -z "${sum-}" ]; then
        cp -fPpR "$glaucus/src/$pkg" "$glaucus/tmp"
      else
        mkdir -p "$glaucus/tmp/$pkg"
        tar --no-same-owner -xmP -f "$glaucus/src/$pkg/$(basename "$url")" -C "$glaucus/tmp/$pkg"
      fi
    fi

    . "$glaucus/core/$pkg/build"

    [ -d "$glaucus/tmp/$pkg" ] && cd "$glaucus/tmp/$pkg"
    [ -d "$glaucus/tmp/$pkg/$pkg-${ver-}" ] && cd "$glaucus/tmp/$pkg/$pkg-${ver-}"

    for phase in prepare configure build package; do
      if command -v "$phase" > /dev/null 2>&1; then
        printf -- '%s\n' "~~ $phase"
        "$phase" >> "$glaucus/log/$pkg" 2>&1
      fi
    done

    find "$dir/usr/lib" -name '*.la' -type f -delete

    printf -- '\n'
  )
done

printf -- 'stages 1 (toolchain) and 2 (cross) bootstrap complete\n'