Index: uspace/app/pcc/cc/ccom/mkext/Makefile
===================================================================
--- uspace/app/pcc/cc/ccom/mkext/Makefile	(revision 5889fc748064079a47e18694d50ee1eefd0848ef)
+++ uspace/app/pcc/cc/ccom/mkext/Makefile	(revision ec7f8b191f6709e9dbff29090376b4a072c8e1d0)
@@ -32,5 +32,5 @@
 OSDIR = ../../../os/helenos
 EXTRA_CFLAGS = -I$(MIPDIR) -I$(MDIR) -I$(OSDIR) -I. -w
-DEFS = -DMKEXT -Dmach_$(PLATFORM) -D__helenos__
+DEFS = -DGCC_COMPAT -DPCC_DEBUG -DMKEXT -Dmach_$(PLATFORM) -D__helenos__
 BINARY = cc_mkext