Custom build grep on windows for i686 arch

substrate/windows/grep-build/PKGBUILD

@@ -0,0 +1,47 @@
+# Maintainer: Alexey Pavlov <Alexpux@gmail.com>
+# Contributor: Paul Moore <p.f.moore@gmail.com>
+
+_realname=grep
+pkgbase=mingw-w64-${_realname}
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
+pkgver=3.12
+pkgrel=1
+pkgdesc="Grep searches one or more input files for lines containing a match to a specified pattern (mingw-w64)"
+arch=('any')
+mingw_arch=('mingw32', 'mingw64' 'ucrt64' 'clang64' 'clangarm64')
+url='https://www.gnu.org/software/grep/'
+msys2_references=(
+  "cpe: cpe:/a:gnu:grep"
+)
+license=('spdx:GPL-3.0-or-later')
+depends=("${MINGW_PACKAGE_PREFIX}-gettext-runtime"
+         "${MINGW_PACKAGE_PREFIX}-pcre2")
+makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
+             "${MINGW_PACKAGE_PREFIX}-autotools"
+             "${MINGW_PACKAGE_PREFIX}-gettext-tools")
+source=("https://ftp.gnu.org/gnu/${_realname}/${_realname}-${pkgver}.tar.xz"{,.sig})
+sha256sums=('2649b27c0e90e632eadcd757be06c6e9a4f48d941de51e7c0f83ff76408a07b9'
+            'SKIP')
+validpgpkeys=('155D3FC500C834486D1EEA677FD9FCCB000BEEEE') # Jim Meyering <jim@meyering.net>
+
+build() {
+  mkdir -p build-${MSYSTEM} && cd build-${MSYSTEM}
+
+  LDFLAGS+=" -lpthread" \
+  ../${_realname}-${pkgver}/configure \
+    --prefix=${MINGW_PREFIX}
+
+  make
+}
+
+package() {
+  cd "${srcdir}"/build-${MSYSTEM}
+
+  make install DESTDIR="${pkgdir}"
+
+  # Licenses
+  install -Dm644 "${srcdir}"/${_realname}-${pkgver}/README \
+    "${pkgdir}"${MINGW_PREFIX}/share/licenses/${_realname}/README
+  install -Dm644 "${srcdir}"/${_realname}-${pkgver}/COPYING \
+    "${pkgdir}"${MINGW_PREFIX}/share/licenses/${_realname}/COPYING
+}

substrate/windows/grep-builder

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# Determine the root directory of the repository
+csource="${BASH_SOURCE[0]}"
+while [ -h "$csource" ] ; do csource="$(readlink "$csource")"; done
+root="$( cd -P "$( dirname "$csource" )/../../" && pwd )"
+
+build_dir="${root}/substrate/windows/grep-build"
+
+# Move into the directory with the required build files
+if ! pushd "${build_dir}"  > /dev/null 2>&1; then
+    printf "ERROR: Cannot access directory at - %s\n" "${build_dir}"
+    exit 1
+fi
+
+# Validate the destination for the packages was provided
+# and that it exists
+pkgs_dir="${1?Packages directory is required}"
+if [ ! -d "${pkgs_dir}" ]; then
+    mkdir -p "${pkgs_dir}" || exit
+fi
+
+# The PKGBUILD file will end up with windows style line endings
+# from git. Force them back to proper new lines.
+dos2unix ./PKGBUILD || exit
+
+# Build the 32 bit package
+if ! MINGW_ARCH="mingw32" PKGEXT=".pkg.tar.xz" PKGDEST="${pkgs_dir}" makepkg-mingw --skippgpcheck --syncdeps --force --noconfirm; then
+    printf "ERROR: Failed to build 32-bit grep package\n"
+    exit 1
+fi
+
+# Build the 64 bit package
+if ! MINGW_ARCH="mingw64" PKGEXT=".pkg.tar.xz" PKGDEST="${pkgs_dir}" makepkg-mingw --skippgpcheck --syncdeps --force --noconfirm; then
+    printf "ERROR: Failed to build 64-bit grep package\n"
+    exit 1
+fi
+
+popd > /dev/null 2>&1 || exit
+
+printf "Build of grep package is complete\n"

substrate/windows/substrate-builder

@@ -85,6 +85,12 @@ if ! "${root}/substrate/windows/ruby-builder" "${pkgs_dir}"; then
     exit 1
 fi
 
+# Build the grep packages
+if ! "${root}/substrate/windows/grep-builder" "${pkgs_dir}"; then
+    printf "ERROR: failed to build required grep packages\n"
+    exit 1
+fi
+
 printf "Contents packages directory after custom builds:\n"
 ls -l "${pkgs_dir}"