community/newlib: clean up APKBUILD

community/newlib/APKBUILD

 # Maintainer: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
 pkgname=newlib
 pkgver=4.3.0.20230120
-pkgrel=3
+pkgrel=4
 pkgdesc="C standard library implementation intended for use on embedded systems"
 url="https://www.sourceware.org/newlib/"
 makedepends="texinfo"
@@ -40,8 +40,7 @@ x86_64|aarch64)
 esac
 
 for target in $_targets; do
-	targetnorm="${target//-/_}"
-	subpackages="newlib-$target:$targetnorm $subpackages"
+	subpackages="newlib-$target:_install_subpkg $subpackages"
 	# here only makedepends. The depends to binutils-$target and gcc-$target
 	# will be set in the subpkg newlib-$target
 	makedepends="binutils-$target gcc-$target $makedepends"
@@ -65,7 +64,8 @@ build() {
 		cd "$builddir/build-$target-nano"
 		export CFLAGS_FOR_TARGET="-Os -ffunction-sections -fdata-sections -fshort-wchar"
 		"$builddir"/configure \
-				--target=$target \
+				--host="$CHOST" \
+				--target="$target" \
 				--prefix=/usr/ \
 				--infodir=/deleteme/info \
 				--mandir=/deleteme/man \
@@ -99,8 +99,8 @@ build() {
 		cd "$builddir/build-$target"
 		export CFLAGS_FOR_TARGET="-O2 -ffunction-sections -fdata-sections"
 		"$builddir"/configure \
-				--host=$CHOST \
-				--target=$target \
+				--host="$CHOST" \
+				--target="$target" \
 				--prefix=/usr \
 				--infodir=/deleteme/info \
 				--mandir=/deleteme/man \
@@ -134,6 +134,7 @@ package() {
 }
 
 _install_subpkg() {
+	local target
 	target="${subpkgname#newlib-}"
 	pkgdesc="A C standard library implementation intended for $target"
 	depends="binutils-$target gcc-$target $depends"
@@ -162,30 +163,6 @@ _install_subpkg() {
 	fi
 }
 
-arm_none_eabi() {
-	_install_subpkg
-}
-
-mips_mti_elf() {
-	_install_subpkg
-}
-
-msp430_elf() {
-	_install_subpkg
-}
-
-or1k_elf() {
-	_install_subpkg
-}
-
-riscv_none_elf() {
-	_install_subpkg
-}
-
-aarch64_none_elf() {
-	_install_subpkg
-}
-
 sha512sums="
 4a06309d36c2255fef8fc8f2d133cafa850f1ed2eddfb27b5d45f5d16af69e0fca829a0b4c9b34af4ed3a28c6fcc929761e0ee823a4229f35c2853d432b5e7ef  newlib-4.3.0.20230120.tar.gz
 647b79e3cc6f3bb98b1263ebbf4b3efa4a4692fddc0df6491c726de2fa0ee46b05ab2ddf96c2c8c785f3cd6a442135ec97bf8df93a8f371d479ea46d03aa8a08  msp430-elf-nano.specs