fiv/msys2-configure.sh
Přemysl Eric Janouch a1f6ffd226
Make scripts capable of 32-bit Windows builds
Now binaries can be (cross-)built using GCC for 32- and 64-bit Windows.

Additional improvements:
 - Within MSYS2, try to install the required dependencies automatically.
 - Within MSYS2, fix passing libdir paths to pkg-config.
 - Prune documentation from extracted package files,
   addressing the incredible slowness of Windows filesystem operations.
 - Fix the script name in README.adoc instructions.
2023-06-22 18:33:31 +02:00

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#!/bin/sh -e
# msys2-configure.sh: set up an MSYS2-based Meson build (x86-64 by default)
#
# Dependencies: AWK, sed, coreutils, cURL, bsdtar (libarchive),
# wine64, Meson, mingw-w64-binutils, mingw-w64-gcc, pkg-config
#
# We support running directly from within MSYS2 on Windows,
# albeit while still downloading a complete copy of runtime depencies.
pkg=${MINGW_PACKAGE_PREFIX:-mingw-w64-x86_64}
prefix=${MSYSTEM_PREFIX:-/mingw64}
repo=https://repo.msys2.org/mingw$prefix
chost=${MSYSTEM_CHOST:-x86_64-w64-mingw32}
carch=${MSYSTEM_CARCH:-x86_64}
[ "$carch" = "i686" ] && carch=x86
if [ -n "$MSYSTEM" ]
then
wine64() { "$@"; }
awk() { command awk -v RS='\r?\n' "$@"; }
pacman -S --needed libarchive $pkg-ca-certificates $pkg-gcc $pkg-icoutils \
$pkg-librsvg $pkg-meson $pkg-pkgconf
fi
status() {
echo "$(tput bold)-- $*$(tput sgr0)"
}
dbsync() {
status Fetching repository DB
[ -f db.tsv ] || curl -# "$repo$prefix.db" | bsdtar -xOf- | awk '
function flush() { print f["%NAME%"] f["%FILENAME%"] f["%DEPENDS%"] }
NR > 1 && $0 == "%FILENAME%" { flush(); for (i in f) delete f[i] }
!/^[^%]/ { field = $0; next } { f[field] = f[field] $0 "\t" }
field == "%SHA256SUM%" { path = "*packages/" f["%FILENAME%"]
sub(/\t$/, "", path); print $0, path > "db.sums" } END { flush() }
' > db.tsv
}
fetch() {
status Resolving "$@"
mkdir -p packages
awk -F'\t' 'function get(name, i, a) {
if (visited[name]++ || !(name in filenames)) return
print filenames[name]; split(deps[name], a); for (i in a) get(a[i])
} BEGIN { while ((getline < "db.tsv") > 0) {
filenames[$1] = $2; deps[$1] = ""; for (i = 3; i <= NF; i++) {
gsub(/[<=>].*/, "", $i); deps[$1] = deps[$1] $i FS }
} for (i = 0; i < ARGC; i++) get(ARGV[i]) }' "$@" | while IFS= read -r name
do
status Fetching "$name"
[ -f "packages/$name" ] || curl -#o "packages/$name" "$repo/$name"
done
version=$(curl -# https://exiftool.org/ver.txt)
name=exiftool-$version.tar.gz remotename=Image-ExifTool-$version.tar.gz
status Fetching "$remotename"
[ -f "$name" ] || curl -#o "$name" "https://exiftool.org/$remotename"
ln -sf "$name" exiftool.tar.gz
}
verify() {
status Verifying checksums
sha256sum --ignore-missing --quiet -c db.sums
}
extract() {
status Extracting packages
for subdir in *
do [ -d "$subdir" -a "$subdir" != packages ] && rm -rf -- "$subdir"
done
for i in packages/*
do bsdtar -xf "$i" --strip-components 1 \
--exclude '*/share/man' --exclude '*/share/doc'
done
bsdtar -xf exiftool.tar.gz
mv Image-ExifTool-*/exiftool bin
mv Image-ExifTool-*/lib/* lib/perl5/site_perl
rm -rf Image-ExifTool-*
}
configure() {
# Don't let GLib programs inherit wrong paths from the environment.
export XDG_DATA_DIRS=$msys2_root/share
status Configuring packages
wine64 bin/update-mime-database.exe share/mime
wine64 bin/glib-compile-schemas.exe share/glib-2.0/schemas
wine64 bin/gdk-pixbuf-query-loaders.exe \
> lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
}
setup() {
status Setting up Meson
wrap=true pclibdir=$msys2_root/share/pkgconfig:$msys2_root/lib/pkgconfig
[ -n "$MSYSTEM" ] && \
wrap=false pclibdir="$(pwd -W)/share/pkgconfig;$(pwd -W)/lib/pkgconfig"
cat >"$toolchain" <<-EOF
[binaries]
c = '$chost-gcc'
cpp = '$chost-g++'
ar = '$chost-gcc-ar'
ranlib = '$chost-gcc-ranlib'
strip = '$chost-strip'
windres = '$chost-windres'
pkgconfig = 'pkg-config'
[properties]
sys_root = '$builddir'
msys2_root = '$msys2_root'
pkg_config_libdir = '$pclibdir'
needs_exe_wrapper = $wrap
[host_machine]
system = 'windows'
cpu_family = '$carch'
cpu = '$carch'
endian = 'little'
EOF
meson setup --buildtype=debugoptimized --prefix="$packagedir" \
--bindir . --libdir . --cross-file="$toolchain" "$builddir" "$sourcedir"
}
sourcedir=$(realpath "${2:-$(dirname "$0")}")
builddir=$(realpath "${1:-builddir}")
packagedir=$builddir/package
toolchain=$builddir/msys2-cross-toolchain.meson
# This directory name matches the prefix in .pc files, so we don't need to
# modify them (pkgconf has --prefix-variable, but Meson can't pass that option).
msys2_root=$builddir$prefix
mkdir -p "$msys2_root"
cd "$msys2_root"
dbsync
fetch $pkg-gtk3 $pkg-lcms2 $pkg-libraw $pkg-libheif $pkg-perl \
$pkg-perl-win32-api $pkg-libwinpthread-git # Because we don't do "provides"?
verify
extract
configure
setup