--- /dev/null
+################################################################################
+#
+# flex
+#
+################################################################################
+
+FLEX_VERSION = 2.5.37
+FLEX_SITE = http://download.sourceforge.net/project/flex
+FLEX_INSTALL_STAGING = YES
+FLEX_LICENSE = FLEX
+FLEX_LICENSE_FILES = COPYING
+FLEX_DEPENDENCIES = \
+ $(if $(BR2_PACKAGE_GETTEXT_IF_LOCALE),gettext) host-m4
+FLEX_CONF_ENV = ac_cv_path_M4=/usr/bin/m4
+# we don't have a host-gettext/libintl
+HOST_FLEX_DEPENDENCIES = host-m4
+
+define FLEX_DISABLE_PROGRAM
+ $(SED) 's/^bin_PROGRAMS.*//' $(@D)/Makefile.in
+endef
+FLEX_POST_PATCH_HOOKS += FLEX_DISABLE_PROGRAM
+
+# flex++ symlink is broken when flex binary is not installed
+define FLEX_REMOVE_BROKEN_SYMLINK
+ rm -f $(TARGET_DIR)/usr/bin/flex++
+endef
+FLEX_POST_INSTALL_TARGET_HOOKS += FLEX_REMOVE_BROKEN_SYMLINK
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))