testing/grub: add efi and bios subpkgs

testing/grub/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=grub
 _ver=2.02~beta3
 pkgver=2.02_beta3
-pkgrel=0
+pkgrel=1
 pkgdesc="Bootloader with support for Linux, Multiboot and more"
 url="https://www.gnu.org/software/grub/"
 arch="all !armhf"
@@ -13,17 +13,21 @@ depends_dev=""
 makedepends="$depends_dev bison flex linux-headers xz-dev lvm2-dev
 	automake autoconf libtool"
 install=""
-subpackages="$pkgname-dev $pkgname-doc"
+subpackages="$pkgname-dev $pkgname-doc $pkgname-efi"
 source="ftp://alpha.gnu.org/gnu/grub/grub-$_ver.tar.xz
 	2.02_beta3-gcc6-ld-no-pie.patch
 	fix-gcc-no-pie-specs.patch
 	"
 builddir="$srcdir/grub-$_ver"
 
-build() {
-	cd "$builddir"
-	autoreconf -vif
-	#export CFLAGS="$CFLAGS -no-pie"
+# currently grub only builds on x86* and aarch64 systems
+# aarch64 is not supported on pc/bios platform.
+if [ ! "$CARCH" = aarch64 ]; then
+	subpackages="$subpackages $pkgname-bios"
+fi
+
+_build_bios() {
+	cd $builddir/bios
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -31,16 +35,78 @@ build() {
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
 		--localstatedir=/var \
+		--disable-nls \
+		--disable-werror \
+		--with-platform=pc \
 		|| return 1
 	make || return 1
 }
 
-package() {
+_build_efi() {
+	cd $builddir/efi
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--localstatedir=/var \
+		--disable-nls \
+		--disable-werror \
+		--with-platform=efi \
+		--disable-efiemu \
+		|| return 1
+	make || return 1
+}
+
+build() {
 	cd "$builddir"
+	autoreconf -vif || return 1
+	
+	# BIOS build
+	if [ ! "$CARCH" = aarch64 ]; then
+		msg "Building grub for platform BIOS"
+		cp -r "$builddir" "$builddir"/bios
+		_build_bios || return 1
+	fi
+	
+	# EFI build
+	msg "Building grub for platform EFI"
+	cp -r "$builddir" "$builddir"/efi
+	_build_efi || return 1
+}
+
+package() {
+	# install both version into the same directory
+	# and overwrite similar files.
+	
+	# BIOS install
+	if [ ! "$CARCH" = aarch64 ]; then
+		cd "$builddir"/bios
+		make DESTDIR="$pkgdir" install || return 1
+	fi
+
+	# EFI install
+	cd "$builddir"/efi
 	make DESTDIR="$pkgdir" install || return 1
+	
 	rm -f "$pkgdir"/usr/lib/charset.alias
 }
 
+bios() {
+	pkgdesc="$pkgdesc (BIOS version)"
+	depends="$pkgname"
+	mkdir -p $subpkgdir/usr/lib/grub
+	mv $pkgdir/usr/lib/grub/*-pc $subpkgdir/usr/lib/grub/
+}
+
+efi() {
+	pkgdesc="$pkgdesc (EFI version)"
+	depends="$pkgname"
+	mkdir -p $subpkgdir/usr/lib/grub
+	mv $pkgdir/usr/lib/grub/*-efi $subpkgdir/usr/lib/grub/
+}
+
 md5sums="ab399fc6f74a97d66ff77f04b743149c  grub-2.02~beta3.tar.xz
 7a09f166141e2a57f1829dd6cf1424fa  2.02_beta3-gcc6-ld-no-pie.patch
 632f1e9dee0f8a4a52e592cb29cdf8cc  fix-gcc-no-pie-specs.patch"