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 awk \
bash booster bzip2 \
clang clang++ curl \
diff \
find flex \
git gperf grep gzip \
ld.lld libtool limine llvm-ar llvm-mc llvm-nm llvm-objcopy llvm-objdump \
llvm-ranlib llvm-readelf llvm-size llvm-strip \
m4 make meson mkfs.erofs mkfs.fat \
ninja \
patch perl pkg-config \
sed \
tar \
xxhsum xz \
yacc \
zstd; 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 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

# ./rad build linux-headers musl-headers fortify-headers compiler-rt musl llvm-runtimes
for pkg in \
fs \
linux-headers \
musl-headers \
compiler-rt \
musl \
llvm-runtimes \
core \
expat \
netbsd-curses \
u-config \
skalibs \
execline \
mdevd \
s6 \
utmps \
libcap \
libressl \
shadow \
zlib-ng \
bzip2 \
pigz \
lz4 \
xz \
zstd \
libarchive \
autoconf \
flex \
gettext-tiny \
libedit \
m4 \
make \
slibtool \
dash \
kmod \
libudev-zero \
toybox \
util-linux \
xxhash \
s6-linux-init \
s6-rc \
s6-boot-scripts \
linux-cachyos; 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'