core/mkinitcpio-busybox/PKGBUILD

pkgname=mkinitcpio-busybox
pkgver=1.27.2
pkgrel=1
pkgdesc="base initramfs tools"
arch=('x86_64')
url="http://www.busybox.net/"
license=('GPL')
depends=('glibc')
options=('!buildflags')
source=("http://busybox.net/downloads/busybox-$pkgver.tar.bz2"
        'config')
sha256sums=('9d4be516b61e6480f156b11eb42577a13529f75d3383850bb75c50c285de63df'
            'c75ad568ff0d97b16250c3c1069c00d02ff7d72f7241b58021ad7a32b9ecb068')

prepare() {
  cd "busybox-$pkgver"

  local safeflags="-march=${CARCH/_/-} -mtune=generic -Os -pipe -fno-strict-aliasing"

  sed 's|^\(CONFIG_EXTRA_CFLAGS\)=.*|\1="'"$safeflags"'"|' "$srcdir/config" >.config
}

build() {
  make -C "busybox-$pkgver"
  
  # save configuration for later reuse
  cat busybox-$pkgver/.config > "${startdir}/config.last"
}

package() {
  install -Dm755 "$srcdir/busybox-$pkgver/busybox" "$pkgdir/usr/lib/initcpio/busybox"
}