diff -Naur Firebird-3.0.0.31896-Beta2_orig/builds/posix/make.defaults Firebird-3.0.0.31896-Beta2/builds/posix/make.defaults
--- Firebird-3.0.0.31896-Beta2_orig/builds/posix/make.defaults	2015-08-03 13:39:45.859127731 -0400
+++ Firebird-3.0.0.31896-Beta2/builds/posix/make.defaults	2015-08-03 13:45:55.260709815 -0400
@@ -154,7 +154,7 @@
 AR=			ar @AR_OPTIONS@
 LN=			@LN_S@
 RANLIB=			@RANLIB@
-BTYACC=$(ROOT)/extern/btyacc/btyacc
+BTYACC=/usr/bin/btyacc
 CLOOP=$(GEN_ROOT)/$(TARGET)/cloop/release/bin/cloop
 
 CC =	@CC@
diff -Naur Firebird-3.0.0.31896-Beta2_orig/builds/posix/Makefile.in Firebird-3.0.0.31896-Beta2/builds/posix/Makefile.in
--- Firebird-3.0.0.31896-Beta2_orig/builds/posix/Makefile.in	2015-08-03 13:39:45.859127731 -0400
+++ Firebird-3.0.0.31896-Beta2/builds/posix/Makefile.in	2015-08-03 14:05:26.442316118 -0400
@@ -99,9 +99,7 @@
 # build external software
 #
 
-extern:
-	$(MAKE) -C $(ROOT)/extern/btyacc
-	$(MAKE) -C $(ROOT)/extern/cloop TARGET=release WITH_FPC=0 BUILD_DIR=$(TMP_ROOT)/cloop OUT_DIR=$(GEN_ROOT)/$(TARGET)/cloop
+extern: ;
 
 ifeq ($(STD_EDITLINE),false)
 ifeq ($(EDITLINE_FLG),Y)