flex: remove deprecated binary in target

It's been deprecated for a year now so remove the option.

Also rename patch to new naming convention.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in.legacy

@@ -102,6 +102,14 @@ endif
 
 comment "Legacy options removed in 2015.02"
 
+config BR2_PACKAGE_FLEX_BINARY
+	bool "flex binary in target option removed"
+	select BR2_LEGACY
+	help
+	  The flex binary in the target option has been removed.
+	  It's been deprecated for some time now and is essentially a
+	  development tool which isn't very useful in the target.
+
 config BR2_PACKAGE_BISON
 	bool "bison target package removed"
 	select BR2_LEGACY

package/flex/Config.in

@@ -6,24 +6,3 @@ config BR2_PACKAGE_FLEX
 	  programs that perform pattern-matching on text.
 
 	  http://flex.sourceforge.net/
-
-if BR2_PACKAGE_FLEX
-
-config BR2_PACKAGE_FLEX_BINARY
-	bool "Install flex binary on target"
-	# needs fork()
-	depends on BR2_USE_MMU
-	# runtime dependency
-	select BR2_PACKAGE_M4
-	# development tool, useless on the target
-	depends on BR2_DEPRECATED_SINCE_2014_02
-	depends on BR2_USE_WCHAR # m4
-	help
-	  Install the flex binary tool in the target filesystem.
-
-comment "flex binary needs a toolchain w/ wchar"
-	depends on BR2_DEPRECATED_SINCE_2014_02
-	depends on BR2_USE_MMU
-	depends on !BR2_USE_WCHAR
-
-endif

package/flex/flex.mk

@@ -15,15 +15,6 @@ FLEX_CONF_ENV = ac_cv_path_M4=/usr/bin/m4
 # we don't have a host-gettext/libintl
 HOST_FLEX_DEPENDENCIES = host-m4
 
-ifeq ($(BR2_PACKAGE_FLEX_BINARY),y)
-# lex -> flex
-define FLEX_INSTALL_LEX
-	cd $(TARGET_DIR)/usr/bin && ln -snf flex lex
-endef
-FLEX_POST_INSTALL_HOOKS += FLEX_INSTALL_LEX
-
-else
-
 define FLEX_DISABLE_PROGRAM
 	$(SED) 's/^bin_PROGRAMS.*//' $(@D)/Makefile.in
 endef
@@ -35,7 +26,5 @@ define FLEX_REMOVE_BROKEN_SYMLINK
 endef
 FLEX_POST_INSTALL_TARGET_HOOKS += FLEX_REMOVE_BROKEN_SYMLINK
 
-endif
-
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))