[buildroot] add preliminary support for musl

Musl is an alternative C-library, see http://www.musl-libc.org for more infos.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34314 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/hotplug2/Makefile

@@ -29,7 +29,7 @@ define Package/hotplug2
   VERSION:=1.0-beta-$(PKG_RELEASE)
   TITLE:=Version 1.0 Dynamic device management subsystem for embedded systems
   URL:=http://isteve.bofh.cz/~isteve/hotplug2/
-  DEPENDS:=+!USE_UCLIBC:libbsd
+  DEPENDS:=+!(USE_UCLIBC||USE_MUSL):libbsd
 endef
 
 define Package/hotplug2/description

package/libs/libbsd/Makefile

@@ -18,7 +18,7 @@ PKG_INSTALL:=1
 define Package/libbsd
   SECTION:=libs
   CATEGORY:=Libraries
-  DEPENDS:=@!USE_UCLIBC
+  DEPENDS:=@!(USE_UCLIBC||USE_MUSL)
   TITLE:=common BSD library
 endef
 

package/toolchain/Makefile

@@ -426,6 +426,16 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 		$(1)/lib/
   endef
 
+  define Package/musl/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) \
+		$(TOOLCHAIN_DIR)/lib/ld-musl-*.so* \
+		$(1)/lib/
+	$(CP) \
+		$(TOOLCHAIN_DIR)/lib/libc.so* \
+		$(1)/lib/
+  endef
+
   define Package/libc/install
     $(call Package/$(LIBC)/install,$1)
   endef