update glibc to latest stable

target/config/Config.in.libc.choice

@@ -72,6 +72,11 @@ config ADK_TARGET_LIB_UCLIBC_NG_GIT
 	select ADK_DISABLE_CHECKSUM
 	depends on ADK_TARGET_LIB_UCLIBC_NG
 
+config ADK_TARGET_LIB_GLIBC_2_20
+	prompt "2.20"
+	boolean
+	depends on ADK_TARGET_LIB_GLIBC
+
 config ADK_TARGET_LIB_GLIBC_2_19
 	prompt "2.19"
 	boolean

target/config/Config.in.libc.default

@@ -24,7 +24,7 @@ config ADK_LIBC_VERSION
 	string
 	default "1.1.4" if ADK_TARGET_LIB_MUSL_1_1_4
 	default "0.9.33.2" if ADK_TARGET_LIB_UCLIBC_0_9_33_2
-	default "2.19" if ADK_TARGET_LIB_GLIBC_2_19
+	default "2.20" if ADK_TARGET_LIB_GLIBC_2_20
 	default "git" if ADK_TARGET_LIB_UCLIBC_NG_GIT || \
 		         ADK_TARGET_LIB_UCLIBC_GIT || \
 		         ADK_TARGET_LIB_MUSL_GIT || \

toolchain/glibc/Makefile.inc

@@ -5,12 +5,19 @@ PKG_NAME:=		glibc
 ifeq ($(ADK_LIBC_VERSION),git)
 PKG_VERSION:=		2.19.90
 PKG_REPO:=		git://sourceware.org/git/glibc.git
-else
-PKG_VERSION:=		$(ADK_LIBC_VERSION)
+endif
+ifeq ($(ADK_TARGET_LIB_GLIBC_2_20),y)
+PKG_VERSION:=		2.20
 PKG_SITES:=		${MASTER_SITE_GNU:=glibc/}
+PKG_RELEASE:=		1
+PKG_MD5SUM:=		948a6e06419a01bd51e97206861595b0
 endif
+ifeq ($(ADK_TARGET_LIB_GLIBC_2_19),y)
+PKG_VERSION:=		2.19
+PKG_SITES:=		${MASTER_SITE_GNU:=glibc/}
 PKG_RELEASE:=		1
 PKG_MD5SUM:=		e26b8cc666b162f999404b03970f14e4
+endif
 DISTFILES:=		$(PKG_NAME)-$(PKG_VERSION).tar.xz
 GLIBC_CONFOPTS:=	--build=$(GNU_HOST_NAME) \
 			--host=$(GNU_TARGET_NAME) \