Index: build/chrome/Makefile
==================================================================
--- build/chrome/Makefile
+++ build/chrome/Makefile
@@ -8,10 +8,17 @@
 PCSC_LIBS   = -Llib -lpcsc -L${NACL_SDK_ROOT}/lib/pnacl/Release -lppapi -lppapi_cpp
 LIBS        = $(CACKEY_LIBS) $(PCSC_LIBS)
 CFLAGS      = -Wall -g3 -ggdb3 -I${NACL_SDK_ROOT}/include -I../../pkcs11 -Iinclude/PCSC
 CXXFLAGS    = $(CFLAGS) -std=gnu++11
 LDFLAGS     = -g3 -ggdb3
+
+CACKEY_DEBUG = 0
+ifeq (1,$(CACKEY_DEBUG))
+CACKEY_LIBNAME = libcackey_g
+else
+CACKEY_LIBNAME = libcackey
+endif
 
 PATH += :${NACL_SDK_ROOT}/toolchain/linux_pnacl/bin
 export PATH
 
 ifeq (,${NACL_SDK_ROOT})
@@ -38,11 +45,11 @@
 lib/libcackey.a: build-deps
 	mkdir -p lib
 	rm -f lib/libcackey.a
 	rm -rf workdir-*
 	+./build-deps
-	cd lib && ln -s ../workdir-*.inst/lib/libcackey_g.a libcackey.a
+	cd lib && ln -s ../workdir-*.inst/lib/$(CACKEY_LIBNAME).a libcackey.a
 	touch lib/libcackey.a
 
 lib/libpcsc.a: lib/libcackey.a
 	mkdir -p lib
 	rm -f lib/libpcsc.a
@@ -55,11 +62,13 @@
 	cd lib && ln -s ../workdir-*.inst/lib/libz.a .
 	touch lib/libz.a
 
 google-pcsc.js: lib/libcackey.a
 	rm -f google-pcsc.js google-pcsc.js.new
-	cat workdir-*.inst/js/{scope,logging,pcsc,pcsc-nacl}.js > google-pcsc.js.new
+	cat workdir-*.inst/js/scope.js > google-pcsc.js.new
+	echo 'GoogleSmartCard.IS_DEBUG_BUILD = $(CACKEY_DEBUG);' >> google-pcsc.js.new
+	cat workdir-*.inst/js/{logging,pcsc,pcsc-nacl}.js >> google-pcsc.js.new
 	mv google-pcsc.js.new google-pcsc.js
 
 include/PCSC/pcsc-nacl.h: lib/libcackey.a
 	mkdir -p include/PCSC
 	rm -f include/PCSC/pcsc-nacl.h.new include/PCSC/pcsc-nacl.h