s/subst/sed -i/g

features.in/build-ve/image-scripts.d/04inittab

 #!/bin/sh -e
 # we don't need no gettys in OpenVZ VEs (might need one in LXC though)
-subst 's,^[0-9]\+:[0-9]\+:respawn:/sbin/mingetty.*,#&,' /etc/inittab
+sed -i 's,^[0-9]\+:[0-9]\+:respawn:/sbin/mingetty.*,#&,' /etc/inittab

features.in/dev/live/image-scripts.d/40-hasher

@@ -29,7 +29,7 @@ fi
 # $TMP
 TMP="/tmp/.private/$USER"
 control pam_mktemp enabled
-subst '/^%_tmppath.*tmp$/d' "$HOME/.rpmmacros"
+sed -i '/^%_tmppath.*tmp$/d' "$HOME/.rpmmacros"
 echo "%_tmppath	$TMP" >> "$HOME/.rpmmacros"
 
 # ~/hasher

features.in/live/live/image-scripts.d/40-autologin

@@ -5,7 +5,7 @@ USER=altlinux
 INITTAB=/etc/inittab
 if [ -f "$INITTAB" ]; then
 	[ -z "$runlevel" ] && runlevel=5
-	subst "s,^\(id:\)\(.*\)\(:initdefault.*\),\\1$runlevel\\3," "$INITTAB"
+	sed -i "s,^\(id:\)\(.*\)\(:initdefault.*\),\\1$runlevel\\3," "$INITTAB"
 fi
 
 # autologin^2

features.in/stage2/stage1/scripts.d/10-initrd-base

@@ -2,5 +2,5 @@
 # prepare base make-initrd configuration for stage1
 # see also http://www.altlinux.org/Make-initrd-propagator
 
-subst 's/AUTODETECT/#AUTODETECT/' /etc/initrd.mk
+sed -i 's/AUTODETECT/#AUTODETECT/' /etc/initrd.mk
 echo 'FEATURES += propagator' >> /etc/initrd.mk

features.in/stage2/stage1/scripts.d/11-initrd-misc

@@ -5,7 +5,7 @@
 
 # FIXME: move to plymouth feature
 #if [ -f /etc/plymouth/plymouthd.conf ];then 
-#    subst 's/#\([T\[]\)/\1/' /etc/plymouth/plymouthd.conf
+#    sed -i 's/#\([T\[]\)/\1/' /etc/plymouth/plymouthd.conf
 #    echo 'FEATURES += plymouth' >> /etc/initrd.mk
 #fi
 

lib/functions.mk

@@ -25,7 +25,7 @@ endef
 set = $(and $(1),$(2),$(set_body))
 define set_body
 { $(log_body); \
-subst 's|^$(1)[ 	]*[+?]*=.*$$|#& # overridden by $@|' "$(CONFIG)"; \
+sed -i 's|^$(1)[ 	]*[+?]*=.*$$|#& # overridden by $@|' "$(CONFIG)"; \
 printf '%s = %s\n' '$(1)' '$(2)' >> "$(CONFIG)"; }
 endef