grep: bump to version 2.7

[Peter: needs wchar]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/grep/Config.in

@@ -1,8 +1,12 @@
 config BR2_PACKAGE_GREP
 	bool "grep"
+	depends on BR2_USE_WCHAR
 	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_LIBINTL if BR2_NEEDS_GETTEXT_IF_LOCALE
 	help
 	  The GNU regular expression matcher.
 
 	  http://www.gnu.org/software/grep/grep.html
+
+comment "grep needs a toolchain with WCHAR support"
+	depends on !BR2_USE_WCHAR

package/grep/grep.mk

@@ -3,11 +3,10 @@
 # grep
 #
 #############################################################
-GREP_VERSION:=2.5.3
-GREP_SOURCE:=grep-$(GREP_VERSION).tar.bz2
-GREP_SITE:=$(BR2_GNU_MIRROR)/grep
-GREP_CONF_OPT = --disable-perl-regexp --without-included-regex
 
+GREP_VERSION = 2.7
+GREP_SITE = $(BR2_GNU_MIRROR)/grep
+GREP_CONF_OPT = --disable-perl-regexp --without-included-regex
 GREP_DEPENDENCIES = $(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext libintl)
 
 $(eval $(call AUTOTARGETS,package,grep))