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# Maintainer: Baltazár Radics <baltazar.radics@gmail.com>
_target=xtensa-esp32-elf
_upstream_ver=esp-2022r1
_upstream_name=newlib-esp32
pkgname=$_target-newlib
pkgver=4.1.0.${_upstream_ver#esp-}
pkgrel=1
pkgdesc='A C standard library implementation intended for use on embedded systems (xtensa esp32 bare metal)'
arch=(x86_64)
url='https://github.com/espressif/newlib-esp32'
license=(GPL)
makedepends=($_target-gcc)
options=(!emptydirs !strip)
source=("$_upstream_name-$_upstream_ver.tar.gz::https://codeload.github.com/espressif/$_upstream_name/tar.gz/$_upstream_ver")
sha256sums=('da09053863149b8fef727add21b39c11fba94b40687936677c1f58e5f9d524c4')
build() {
rm -rf build-{newlib,nano}
mkdir build-{newlib,nano}
# espressif's crosstool-ng:
# CC_FOR_BUILD='x86_64-build_pc-linux-gnu-gcc'
# CFLAGS_FOR_TARGET=' -mlongcalls '
# AR_FOR_TARGET='./.build/xtensa-esp32-elf/buildtools/bin/xtensa-esp32-elf-gcc-ar'
# RANLIB_FOR_TARGET='./.build/xtensa-esp32-elf/buildtools/bin/xtensa-esp32-elf-gcc-ranlib'
# '/usr/bin/bash'
# './.build/xtensa-esp32-elf/src/newlib/configure'
# '--host=x86_64-build_pc-linux-gnu'
# '--target=xtensa-esp32-elf'
# '--prefix=./builds/xtensa-esp32-elf'
# '--enable-newlib-io-float'
# '--disable-newlib-io-long-double'
# '--disable-newlib-supplied-syscalls'
# '--enable-newlib-io-pos-args'
# '--enable-newlib-io-c99-formats'
# '--enable-newlib-io-long-long'
# '--disable-newlib-register-fini'
# '--disable-newlib-nano-malloc'
# '--disable-newlib-nano-formatted-io'
# '--enable-newlib-atexit-dynamic-alloc'
# '--disable-newlib-global-atexit'
# '--disable-lite-exit'
# '--enable-newlib-reent-small'
# '--enable-newlib-multithread'
# '--enable-newlib-wide-orient'
# '--enable-newlib-unbuf-stream-opt'
# '--enable-target-optspace'
# '--enable-newlib-long-time_t'
# '--enable-newlib-nano-malloc'
export CFLAGS_FOR_TARGET='-g -O2 -ffunction-sections -fdata-sections -mlongcalls'
cd "$srcdir"/build-newlib
../$_upstream_name-$_upstream_ver/configure \
--target=$_target \
--prefix=/usr \
--enable-newlib-io-float \
--disable-newlib-io-long-double \
--disable-newlib-supplied-syscalls \
--enable-newlib-io-pos-args \
--enable-newlib-io-c99-formats \
--enable-newlib-io-long-long \
--disable-newlib-register-fini \
--disable-newlib-nano-malloc \
--disable-newlib-nano-formatted-io \
--enable-newlib-atexit-dynamic-alloc \
--disable-newlib-global-atexit \
--disable-lite-exit \
--enable-newlib-reent-small \
--enable-newlib-multithread \
--enable-newlib-wide-orient \
--enable-newlib-unbuf-stream-opt \
--enable-target-optspace \
--enable-newlib-long-time_t \
--enable-newlib-nano-malloc
make
# espressif's crosstool-ng:
# CC_FOR_BUILD='x86_64-build_pc-linux-gnu-gcc'
# CFLAGS_FOR_TARGET=' -mlongcalls '
# AR_FOR_TARGET='./.build/xtensa-esp32-elf/buildtools/bin/xtensa-esp32-elf-gcc-ar'
# RANLIB_FOR_TARGET='./.build/xtensa-esp32-elf/buildtools/bin/xtensa-esp32-elf-gcc-ranlib'
# '/usr/bin/bash'
# './.build/xtensa-esp32-elf/src/newlib/configure'
# '--host=x86_64-build_pc-linux-gnu'
# '--target=xtensa-esp32-elf'
# '--prefix=./builds/xtensa-esp32-elf'
# '--with-newlib'
# '--enable-multilib'
# '--disable-newlib-io-c99-formats'
# '--disable-newlib-supplied-syscalls'
# '--enable-newlib-nano-formatted-io'
# '--enable-newlib-reent-small'
# '--enable-target-optspace'
# '--enable-newlib-long-time_t'
# '--enable-newlib-nano-malloc'
export CFLAGS_FOR_TARGET='-g -Os -ffunction-sections -fdata-sections -mlongcalls'
cd "$srcdir"/build-nano
../$_upstream_name-$_upstream_ver/configure \
--target=$_target \
--prefix=/usr \
--with-newlib \
--enable-multilib \
--disable-newlib-io-c99-formats \
--disable-newlib-supplied-syscalls \
--enable-newlib-nano-formatted-io \
--enable-newlib-reent-small \
--enable-target-optspace \
--enable-newlib-long-time_t \
--enable-newlib-nano-malloc
make
}
package() {
cd "$srcdir"/build-nano
make DESTDIR="$pkgdir" install -j1
find "$pkgdir" -regex ".*/lib\(c\|g\|rdimon\)\.a" -exec rename .a _nano.a '{}' \;
install -d "$pkgdir"/usr/$_target/include/newlib-nano
install -m644 -t "$pkgdir"/usr/$_target/include/newlib-nano "$pkgdir"/usr/$_target/include/newlib.h
cd "$srcdir"/build-newlib
make DESTDIR="$pkgdir" install -j1
find "$pkgdir"/usr/$_target/lib \( -name "*.a" -or -name "*.o" \) -exec $_target-objcopy -R .comment -R .note -R .debug_info -R .debug_aranges -R .debug_pubnames -R .debug_pubtypes -R .debug_abbrev -R .debug_line -R .debug_str -R .debug_ranges -R .debug_loc '{}' \;
install -d "$pkgdir"/usr/share/licenses/$pkgname/
install -m644 -t "$pkgdir"/usr/share/licenses/$pkgname/ "$srcdir"/$_upstream_name-$_upstream_ver/COPYING*
}
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