Use new flex binary
Test: treehugger
Change-Id: Iee21114ae863eb50d26ee9562879a97f956274ab
diff --git a/core/config.mk b/core/config.mk
index 075af49..b230d0d 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -623,13 +623,13 @@
# ---------------------------------------------------------------
# Generic tools.
-LEX := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/flex/flex-2.5.39
+LEX := $(prebuilt_build_tools_bin)/flex
# The default PKGDATADIR built in the prebuilt bison is a relative path
# prebuilts/build-tools/common/bison.
# To run bison from elsewhere you need to set up enviromental variable
# BISON_PKGDATADIR.
BISON_PKGDATADIR := $(PWD)/prebuilts/build-tools/common/bison
-BISON := prebuilts/build-tools/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/bin/bison
+BISON := $(prebuilt_build_tools_bin)/bison
YACC := $(BISON) -d
BISON_DATA := $(wildcard $(BISON_PKGDATADIR)/* $(BISON_PKGDATADIR)/*/*)