complete musl support, tested with qemu-arm

package/Makefile

@@ -13,6 +13,10 @@ ifeq (${ADK_TARGET_LIB_EGLIBC},y)
 package-$(ADK_PACKAGE_EGLIBC) += eglibc
 gcc-compile: eglibc-compile
 endif
+ifeq (${ADK_TARGET_LIB_MUSL},y)
+package-$(ADK_PACKAGE_MUSL) += musl
+gcc-compile: musl-compile
+endif
 ifeq (${ADK_NATIVE},y)
 package-$(ADK_PACKAGE_LIBC) += libc
 endif

package/busybox/Makefile

@@ -9,7 +9,6 @@ PKG_RELEASE:=		2
 PKG_MD5SUM:=		e025414bc6cd79579cc7a32a45d3ae1c
 PKG_DESCR:=		Core utilities for embedded systems
 PKG_SECTION:=		base
-PKG_BUILDDEP:=		libtirpc
 PKG_URL:=		http://www.busybox.net/
 PKG_SITES:=		http://www.busybox.net/downloads/
 

package/busybox/patches/009-extra-flags.patch

@@ -1,7 +1,7 @@
-diff -Nur busybox-1.19.4.orig/Makefile busybox-1.19.4/Makefile
---- busybox-1.19.4.orig/Makefile	2012-02-04 20:34:24.000000000 +0100
-+++ busybox-1.19.4/Makefile	2012-03-22 19:17:49.099007985 +0100
-@@ -318,10 +318,10 @@
+diff -Nur busybox-1.20.2.orig/Makefile busybox-1.20.2/Makefile
+--- busybox-1.20.2.orig/Makefile	2012-07-02 16:20:27.000000000 +0200
++++ busybox-1.20.2/Makefile	2013-08-12 13:36:00.000000000 +0200
+@@ -318,10 +318,9 @@
  CFLAGS		:= $(CFLAGS)
  # Added only to final link stage of busybox binary
  CFLAGS_busybox	:= $(CFLAGS_busybox)
@@ -11,7 +11,6 @@ diff -Nur busybox-1.19.4.orig/Makefile busybox-1.19.4/Makefile
 -LDFLAGS		:= $(LDFLAGS)
 -LDLIBS		:=
 +LDFLAGS		:= $(LDFLAGS) $(EXTRA_LDFLAGS)
-+LDLIBS		:= tirpc
  
  # Read KERNELRELEASE from .kernelrelease (if it exists)
  KERNELRELEASE = $(shell cat .kernelrelease 2> /dev/null)

package/busybox/patches/013-musl.patch

@@ -0,0 +1,11 @@
+diff -Nur busybox-1.20.2.orig/networking/libiproute/iplink.c busybox-1.20.2/networking/libiproute/iplink.c
+--- busybox-1.20.2.orig/networking/libiproute/iplink.c	2012-06-26 15:35:45.000000000 +0200
++++ busybox-1.20.2/networking/libiproute/iplink.c	2013-08-12 13:00:33.000000000 +0200
+@@ -5,7 +5,6 @@
+  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+  */
+ #include <net/if.h>
+-#include <net/if_packet.h>
+ #include <netpacket/packet.h>
+ #include <netinet/if_ether.h>
+ 

package/musl/Config.in.manual

@@ -0,0 +1,17 @@
+config ADK_PACKAGE_MUSL
+	prompt "musl................. embedded C library"
+	bool
+	default y if ADK_TARGET_LIB_MUSL && !ADK_TOOLCHAIN_ONLY
+	default n
+	depends on ADK_TARGET_LIB_MUSL
+	help
+	  Embedded C library.
+
+config ADK_PACKAGE_MUSL_DEV
+	prompt "musl-dev............. development files"
+	tristate
+	default n
+	depends on ADK_TARGET_LIB_MUSL && ADK_PACKAGE_MUSL
+	help
+	  C library header files.
+

package/musl/Makefile

@@ -0,0 +1,45 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+include $(TOPDIR)/rules.mk
+include $(TOPDIR)/toolchain/musl/Makefile.inc
+
+PKG_DESCR:=		embedded C library
+PKG_SECTION:=		base
+PKG_OPTS:=		noremove
+
+PKG_SUBPKGS:=		MUSL MUSL_DEV
+PKGSD_MUSL_DEV:=	development files for musl
+PKGSC_MUSL_DEV:=	devel
+
+NO_DISTFILES:=		1
+
+include $(TOPDIR)/mk/package.mk
+
+$(eval $(call PKG_template,MUSL,musl,$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION},${PKG_OPTS}))
+$(eval $(call PKG_template,MUSL_DEV,musl-dev,$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKGSD_MUSL_DEV},${PKGSC_MUSL_DEV},${PKG_OPTS}))
+
+CONFIG_STYLE:=          manual
+BUILD_STYLE:=           manual
+INSTALL_STYLE:=         manual
+
+# do nothing, musl is already build in toolchain directory
+do-install:
+	${INSTALL_DIR} $(IDIR_MUSL)/$(ADK_TARGET_LIBC_PATH)
+	$(CP) $(STAGING_TARGET_DIR)/usr/lib/libc.so $(IDIR_MUSL)/$(ADK_TARGET_LIBC_PATH)
+	(cd $(IDIR_MUSL)/$(ADK_TARGET_LIBC_PATH) && \
+		ln -sf libc.so ld-musl-$(ARCH).so.1)
+	
+
+musl-dev-install:
+	${INSTALL_DIR} ${IDIR_MUSL_DEV}/usr/lib 
+	${CP} ${STAGING_TARGET_DIR}/usr/lib/crt*.o ${IDIR_MUSL_DEV}/usr/lib
+	$(MAKE) -C $(TOOLCHAIN_BUILD_DIR)/w-linux-$(KERNEL_VERSION)-$(KERNEL_RELEASE)/linux-$(KERNEL_VERSION) ARCH=$(ARCH) V=1 \
+		INSTALL_HDR_PATH=$(IDIR_MUSL_DEV)/usr \
+		headers_install
+	$(MAKE) -C $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/${PKG_NAME}-${PKG_VERSION} \
+		install_headers
+	@find $(IDIR_MUSL_DEV) -name .install -exec rm {} \;
+	@find $(IDIR_MUSL_DEV) -name ..install.cmd -exec rm {} \;
+
+include ${TOPDIR}/mk/pkg-bottom.mk