fix musl compile

package/grep/Makefile

@@ -4,10 +4,10 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		grep
-PKG_VERSION:=		2.7
-PKG_RELEASE:=		3
-PKG_MD5SUM:=		e848f07e3e79aa7899345d17c7e4115e
-PKG_DESCR:=		global search for a regular expression and print out matched lines
+PKG_VERSION:=		2.14
+PKG_RELEASE:=		1
+PKG_MD5SUM:=		d4a3f03849d1e17ce56ab76aa5a24cab
+PKG_DESCR:=		global search for a regex and print out matched lines
 PKG_SECTION:=		utils
 PKG_DEPENDS:=		libpcre libiconv
 PKG_BUILDDEP:=		pcre
@@ -15,12 +15,13 @@ PKG_URL:=		http://www.gnu.org/software/grep/
 PKG_SITES:=		ftp://ftp.gnu.org/gnu/grep/
 PKG_NOPARALLEL:=	1
 
+DISTFILES:=		$(PKG_NAME)-$(PKG_VERSION).tar.xz
+
 include $(TOPDIR)/mk/package.mk
 
 $(eval $(call PKG_template,GREP,$(PKG_NAME),$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
 TARGET_LDFLAGS+=	-liconv
-CONFIGURE_ARGS+=	--without-included-regex
 
 post-install:
 	$(INSTALL_DIR) $(IDIR_GREP)/bin