diff --git a/iscsi-scst/Makefile b/iscsi-scst/Makefile
index 567283726..fa5d60e55 100644
--- a/iscsi-scst/Makefile
+++ b/iscsi-scst/Makefile
@@ -88,34 +88,34 @@ clean:
 extraclean: clean
 
 debug2release:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ $(KMOD)/Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
 	rm $(KMOD)/Makefile.aa
 
 release2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ $(KMOD)/Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
 	rm $(KMOD)/Makefile.aa
 
 debug2perf:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
 	rm $(KMOD)/Makefile.aa
 
 perf2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ $(KMOD)/Makefile
 	@cmp $(KMOD)/Makefile $(KMOD)/Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm $(KMOD)/Makefile.aa; echo "sed failed"; false; fi
 	rm $(KMOD)/Makefile.aa
 
diff --git a/qla2x00t/qla2x00-target/Makefile b/qla2x00t/qla2x00-target/Makefile
index 87fe80443..fc8dbd901 100644
--- a/qla2x00t/qla2x00-target/Makefile
+++ b/qla2x00t/qla2x00-target/Makefile
@@ -104,44 +104,44 @@ clean:
 extraclean: clean
 
 debug2release:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 release2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 debug2perf:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 perf2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 disable_proc:
-	sed -c -i.aa s/"^#define CONFIG_SCST_PROC"/"\/* #define CONFIG_SCST_PROC *\/"/ ../qla_attr.c
+	sed -i.aa s/"^#define CONFIG_SCST_PROC"/"\/* #define CONFIG_SCST_PROC *\/"/ ../qla_attr.c
 	@cmp ../qla_attr.c ../qla_attr.c.aa >/dev/null; if [[ $$? = 0 ]]; then rm ../qla_attr.c.aa; echo "sed failed"; false; fi
 	rm ../qla_attr.c.aa
 
 enable_proc:
-	sed -c -i.aa s/"\/\* #define CONFIG_SCST_PROC \*\/"/"#define CONFIG_SCST_PROC"/ ../qla_attr.c
+	sed -i.aa s/"\/\* #define CONFIG_SCST_PROC \*\/"/"#define CONFIG_SCST_PROC"/ ../qla_attr.c
 	@cmp ../qla_attr.c ../qla_attr.c.aa >/dev/null; if [[ $$? = 0 ]]; then rm ../qla_attr.c.aa; echo "sed failed"; false; fi
 	rm ../qla_attr.c.aa
 
diff --git a/scst/src/Makefile b/scst/src/Makefile
index 3ed9c02da..bc2b13da0 100644
--- a/scst/src/Makefile
+++ b/scst/src/Makefile
@@ -150,58 +150,58 @@ clean:
 extraclean: clean
 
 debug2release:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 	cd $(DEV_HANDLERS_DIR) && $(MAKE) $@
 
 release2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 	cd $(DEV_HANDLERS_DIR) && $(MAKE) $@
 
 debug2perf:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 	cd $(DEV_HANDLERS_DIR) && $(MAKE) $@
 
 perf2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 	cd $(DEV_HANDLERS_DIR) && $(MAKE) $@
 
 disable_proc:
-	sed -c -i.aa s/"^#define CONFIG_SCST_PROC"/"\/* #define CONFIG_SCST_PROC *\/"/ ../include/scst.h
+	sed -i.aa s/"^#define CONFIG_SCST_PROC"/"\/* #define CONFIG_SCST_PROC *\/"/ ../include/scst.h
 	@cmp ../include/scst.h ../include/scst.h.aa >/dev/null; if [[ $$? = 0 ]]; then rm ../include/scst.h.aa; echo "sed failed"; false; fi
 	rm ../include/scst.h.aa
-	sed -c -i.aa s/"^scst-y        += scst_proc.o"/"#scst\-y        += scst_proc.o"/ Makefile
+	sed -i.aa s/"^scst-y        += scst_proc.o"/"#scst\-y        += scst_proc.o"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#scst\-y        += scst_sysfs.o"/"scst\-y        += scst_sysfs.o"/ Makefile
+	sed -i.aa s/"#scst\-y        += scst_sysfs.o"/"scst\-y        += scst_sysfs.o"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 enable_proc:
-	sed -c -i.aa s/"\/\* #define CONFIG_SCST_PROC \*\/"/"#define CONFIG_SCST_PROC"/ ../include/scst.h
+	sed -i.aa s/"\/\* #define CONFIG_SCST_PROC \*\/"/"#define CONFIG_SCST_PROC"/ ../include/scst.h
 	@cmp ../include/scst.h ../include/scst.h.aa >/dev/null; if [[ $$? = 0 ]]; then rm ../include/scst.h.aa; echo "sed failed"; false; fi
 	rm ../include/scst.h.aa
-	sed -c -i.aa s/"#scst\-y        += scst_proc.o"/"scst\-y        += scst_proc.o"/ Makefile
+	sed -i.aa s/"#scst\-y        += scst_proc.o"/"scst\-y        += scst_proc.o"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^scst\-y        += scst_sysfs.o"/"#scst\-y        += scst_sysfs.o"/ Makefile
+	sed -i.aa s/"^scst\-y        += scst_sysfs.o"/"#scst\-y        += scst_sysfs.o"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
diff --git a/scst/src/dev_handlers/Makefile b/scst/src/dev_handlers/Makefile
index f7f76db05..da6a14e4a 100644
--- a/scst/src/dev_handlers/Makefile
+++ b/scst/src/dev_handlers/Makefile
@@ -83,34 +83,34 @@ clean:
 extraclean: clean
 
 debug2release:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 release2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_TRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 debug2perf:
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"^EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 perf2debug:
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/"EXTRA_CFLAGS += \-DCONFIG_SCST_EXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
+	sed -i.aa s/"#EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/"EXTRA_CFLAGS += \-DCONFIG_SCST_DEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
diff --git a/usr/fileio/Makefile b/usr/fileio/Makefile
index 7505b6602..40bf5ddd4 100644
--- a/usr/fileio/Makefile
+++ b/usr/fileio/Makefile
@@ -80,34 +80,34 @@ clean:
 extraclean: clean
 
 debug2release:
-	sed -c -i.aa s/"^CFLAGS += \-DEXTRACHECKS"/"#CFLAGS += \-DEXTRACHECKS"/ Makefile
+	sed -i.aa s/"^CFLAGS += \-DEXTRACHECKS"/"#CFLAGS += \-DEXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#CFLAGS += \-DTRACING"/"CFLAGS += \-DTRACING"/ Makefile
+	sed -i.aa s/"#CFLAGS += \-DTRACING"/"CFLAGS += \-DTRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^CFLAGS += \-DDEBUG -g"/"#CFLAGS += \-DDEBUG -g"/ Makefile
+	sed -i.aa s/"^CFLAGS += \-DDEBUG -g"/"#CFLAGS += \-DDEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 release2debug:
-	sed -c -i.aa s/"#CFLAGS += \-DEXTRACHECKS"/"CFLAGS += \-DEXTRACHECKS"/ Makefile
+	sed -i.aa s/"#CFLAGS += \-DEXTRACHECKS"/"CFLAGS += \-DEXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^CFLAGS += \-DTRACING"/"#CFLAGS += \-DTRACING"/ Makefile
+	sed -i.aa s/"^CFLAGS += \-DTRACING"/"#CFLAGS += \-DTRACING"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#CFLAGS += \-DDEBUG -g"/"CFLAGS += \-DDEBUG -g"/ Makefile
+	sed -i.aa s/"#CFLAGS += \-DDEBUG -g"/"CFLAGS += \-DDEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 debug2perf:
-	sed -c -i.aa s/"^CFLAGS += \-DEXTRACHECKS"/"#CFLAGS += \-DEXTRACHECKS"/ Makefile
+	sed -i.aa s/"^CFLAGS += \-DEXTRACHECKS"/"#CFLAGS += \-DEXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"^CFLAGS += \-DDEBUG -g"/"#CFLAGS += \-DDEBUG -g"/ Makefile
+	sed -i.aa s/"^CFLAGS += \-DDEBUG -g"/"#CFLAGS += \-DDEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa
 
 perf2debug:
-	sed -c -i.aa s/"#CFLAGS += \-DEXTRACHECKS"/"CFLAGS += \-DEXTRACHECKS"/ Makefile
+	sed -i.aa s/"#CFLAGS += \-DEXTRACHECKS"/"CFLAGS += \-DEXTRACHECKS"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
-	sed -c -i.aa s/"#CFLAGS += \-DDEBUG -g"/"CFLAGS += \-DDEBUG -g"/ Makefile
+	sed -i.aa s/"#CFLAGS += \-DDEBUG -g"/"CFLAGS += \-DDEBUG -g"/ Makefile
 	@cmp Makefile Makefile.aa >/dev/null; if [[ $$? = 0 ]]; then rm Makefile.aa; echo "sed failed"; false; fi
 	rm Makefile.aa