patch/libtool required

adk/tools/depmaker.c

@@ -137,7 +137,6 @@ static char *parse_line(char *package, char *pkgvar, char *string, int checksym,
 				(strncmp(depvar, "file", 4) == 0) ||
 				(strncmp(depvar, "gawk", 4) == 0) ||
 				(strncmp(depvar, "grep", 4) == 0) ||
-				(strncmp(depvar, "patch", 5) == 0) ||
 				(strncmp(depvar, "sed", 3) == 0) ||
 				(strncmp(depvar, "xz", 2) == 0)) {
 

package/flex/Makefile

@@ -10,7 +10,7 @@ PKG_HASH:=		9a01437a1155c799b7dc2508620564ef806ba66250c36bf5f9034b1c207cb2c9
 PKG_DESCR:=		fast lexical analyzer
 PKG_SECTION:=		dev/tools
 PKG_BUILDDEP:=		m4-host
-HOST_BUILDDEP:=		m4-host bison-host patch-host
+HOST_BUILDDEP:=		m4-host bison-host patch-host libtool-host
 PKG_URL:=		https://github.com/westes/flex
 PKG_SITES:=		https://github.com/westes/flex/releases/download/v$(PKG_VERSION)/
 PKG_OPTS:=		dev