version = "1.2.6"
desc = "An implementation of the standard C library for Linux-based systems."
libgcc_version="13.2.1_git20240309-r0"

source = [
  { url = "https://musl.libc.org/releases/musl-$version.tar.gz" },
  { url = "https://git.adelielinux.org/adelie/gcompat/-/archive/current/gcompat-1.1.0.tar.gz" },
	{ url = "https://mirrors.ustc.edu.cn/alpine/latest-stable/main/x86_64/libgcc-$libgcc_version.apk"},
	{ url = "https://mirrors.ustc.edu.cn/alpine/latest-stable/main/x86_64/libstdc++-$libgcc_version.apk"},
  { url = "__stack_chk_fail_local.c" },
  { url = "getconf.c" },
  { url = "iconv.c" },
  { url = "getent.c" },
  { url = "styp.patch" },
	{ url = "res_init.patch" },
	{ url = "handle_aux_at_base.patch" },
	{url="sys-cdefs.h"},
	{url="sys-queue.h"},
	{url="sys-tree.h"},
	{url="http://xcb.freedesktop.org/dist/libpthread-stubs-0.3.tar.bz2"},
	{url="http://dl.2f30.org/releases/fortify-headers-0.9.tar.gz"},
	{url="https://github.com/kaniini/libucontext/archive/refs/tags/libucontext-1.5.tar.gz"},
]

ext = '''
	cd gcompat-*
	patch -Np1 -i "$srcdir"/res_init.patch
	cd ..

	tar xpf libgcc-*
	tar xpf libstdc++-*

	cd musl-$version
	for i in $source;do
		echo "### $i"
		case $i in
		res_init.patch) ;;
		*patch) patch -Nbp1 -i "$srcdir"/$i;;
		esac
	done
'''

build = '''
	unset LDFLAGS
	unset CXXFLAGS
	unset CFLAGS

	for i in sys*.h; do
		sed '/#warning/d' "$i" | install -D /dev/stdin "$pkgdir/include/sys/${i#sys-}"
	done

	cd "$srcdir"/libpthread-stubs-0.3
	./configure --prefix=
	make
	make DESTDIR="$pkgdir" install

	cd "$srcdir"/fortify-headers-0.9
	make PREFIX= DESTDIR="$pkgdir" install

	cd "$srcdir"/libucontext-*
	sed -i 's|/usr|/|g' Makefile
	make ARCH=$ARCH
	make ARCH=$ARCH PREFIX=/ DESTDIR=$pkgdir install

	cd "$srcdir"/gcompat-*
	sed -i 's/__count/_count/g' libgcompat/pthread.c
	make DESTDIR="$pkgdir" LINKER_PATH=/lib/ld-musl-x86_64.so.1 LOADER_NAME=ld-linux-x86-64.so.2 WITH_LIBUCONTEXT=1 install

	if [ ! -z "$OTARGETS" ]; then
		for OTARGET in $OTARGETS; do
			mkdir -p "$srcdir"/build-$OTARGET
			cd "$srcdir"/build-$OTARGET

			mkdir -p "$pkgdir"/$OTARGET/bin "$pkgdir"/$OTARGET/lib

			ln -srf "$pkgdir"/$OTARGET/ "$pkgdir"/$OTARGET/usr

			$OTARGET-$CC -c "$srcdir"/__stack_chk_fail_local.c -o __stack_chk_fail_local.o
			$OTARGET-ar r libssp_nonshared.a __stack_chk_fail_local.o
			cp libssp_nonshared.a "$pkgdir"/$OTARGET/lib

			"$srcdir"/musl-$version/configure \
				--target=$OTARGET \
				--prefix=/$OTARGET	\
				--libdir=/$OTARGET/lib \
				--libexecdir=/$OTARGET/lib \
				--syslibdir=/$OTARGET/lib \
				--sysconfdir=/etc \
				--mandir=/share/man \
				--localstatedir=/var 

			make
			make DESTDIR="$pkgdir" install
		done
	fi

	mkdir -p "$srcdir"/build
	cd "$srcdir"/build

	mkdir -p "$pkgdir"/bin "$pkgdir"/lib
	$CC -c "$srcdir"/__stack_chk_fail_local.c -o __stack_chk_fail_local.o
	ar r libssp_nonshared.a __stack_chk_fail_local.o
	cp libssp_nonshared.a "$pkgdir"/lib

	"$srcdir"/musl-$version/configure \
		--prefix= \
		--libdir=/lib \
		--libexecdir=/lib \
		--syslibdir=/lib \
		--sysconfdir=/etc \
		--mandir=/share/man \
		--localstatedir=/var 

	make
	make DESTDIR="$pkgdir" install

	mkdir -p  "$pkgdir"/etc/
	cat >>  "$pkgdir"/etc/ld-musl-$ARCH.path << EOF
/lib
/lib/$ARCH-unknown-linux-musl
/lib/systemd
EOF

	ln -s /lib/libc.so "$pkgdir"/bin/ldd

	for i in getconf getent iconv ; do
		$CC "$srcdir"/$i.c -o "$pkgdir"/bin/$i
	done

	cp "$srcdir"/usr/lib/libgcc*so* "$pkgdir"/lib/
	ln -srf "$pkgdir"/lib/libgcc_s.so.1 "$pkgdir"/lib/libgcc_s.so
	cp "$srcdir"/usr/lib/libstdc++*so* "$pkgdir"/lib/
'''