cross-arm-none-eabi-newlib: build a nano variant

srcpkgs/cross-arm-none-eabi-newlib/template

@@ -3,21 +3,14 @@ _triplet=arm-none-eabi
 _pkgname=newlib
 pkgname=cross-${_triplet}-${_pkgname}
 version=3.1.0.20181231
-revision=1
+revision=2
 wrksrc="${_pkgname}-${version}"
 build_style=gnu-configure
 configure_args="
- --disable-newlib-supplied-syscalls
+ --prefix=/usr --target=${_triplet} --host=${XBPS_CROSS_TRIPLET}
- --disable-nls
+ --with-gnu-as --with-gnu-ld --disable-nls
- --enable-interwork
+ --disable-newlib-supplied-syscalls --enable-newlib-retargetable-locking
- --enable-newlib-io-long-long
+ --enable-interwork"
- --enable-newlib-register-fini
- --host=${XBPS_CROSS_TRIPLET}
- --prefix=/usr
- --target=${_triplet}
- --with-gnu-as
- --with-gnu-ld
-"
 hostmakedepends="cross-arm-none-eabi-binutils cross-arm-none-eabi-gcc"
 short_desc="C library intended for use on embedded systems"
 maintainer="Ivan Sokolov <ivan-p-sokolov@ya.ru>"
@@ -26,3 +19,59 @@ homepage="https://www.sourceware.org/${_pkgname}/"
 distfiles="ftp://sources.redhat.com/pub/${_pkgname}/${_pkgname}-${version}.tar.gz"
 checksum=9e12fea7297648b114434033ed4458755afe7b9b6c7d58123389e82bd37681c0
 nostrip=yes
+
+post_extract() {
+	mkdir -p build-{newlib,nano}
+}
+
+do_configure() {
+	pushd build-newlib
+	export CFLAGS_FOR_TARGET="-g -O2 -ffunction-sections -fdata-sections"
+	../configure ${configure_args} \
+		--enable-newlib-io-long-long \
+		--enable-newlib-register-fini
+	popd
+
+	pushd build-nano
+	export CFLAGS_FOR_TARGET="-g -Os -ffunction-sections -fdata-sections"
+	../configure ${configure_args} \
+		--enable-newlib-reent-small \
+		--disable-newlib-fvwrite-in-streamio \
+		--disable-newlib-fseek-optimization \
+		--disable-newlib-wide-orient \
+		--enable-newlib-nano-malloc \
+		--disable-newlib-unbuf-stream-opt \
+		--enable-lite-exit \
+		--enable-newlib-global-atexit \
+		--enable-newlib-nano-formatted-io
+	popd
+}
+
+do_build() {
+	pushd build-newlib
+	make ${makejobs}
+	popd
+
+	pushd build-nano
+	make ${makejobs}
+	popd
+}
+
+do_install() {
+	pushd build-nano
+	make DESTDIR=${DESTDIR} install
+	find ${DESTDIR} -regex ".*/lib\(c\|g\|rdimon\)\.a" \
+		-exec rename .a _nano.a '{}' \;
+	install -d ${DESTDIR}/usr/${_triplet}/include/newlib-nano
+	install -m644 -t ${DESTDIR}/usr/${_triplet}/include/newlib-nano \
+		${DESTDIR}/usr/${_triplet}/include/newlib.h
+	popd
+
+	pushd build-newlib
+	make DESTDIR=${DESTDIR} install
+	popd
+}
+
+post_install() {
+	vlicense COPYING
+}