diff --git a/src/lib/Makefile b/src/lib/Makefile
index c256efad..63424e57 100644
--- a/src/lib/Makefile
+++ b/src/lib/Makefile
@@ -2,7 +2,7 @@
 depth = ..
 include $(depth)/mk/sysconf
 
-UNACCFLAGS = -g -I. -I$(depth)/unac $(INCICONV) -DUNAC_VERSION=\"1.0.7\"
+UNACCFLAGS = $(CFLAGS) -g -I. -I$(depth)/unac $(INCICONV) -DUNAC_VERSION=\"1.0.7\"
 
 LIBS = librcl.a
 
diff --git a/src/lib/mkMake b/src/lib/mkMake
index 315a2f56..7f99545f 100755
--- a/src/lib/mkMake
+++ b/src/lib/mkMake
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 mk=Makefile
-depth=..
+depth=${depth:-..}
 
 SRCS="\
 ${depth}/aspell/rclaspell.cpp \
@@ -63,10 +63,10 @@ test -f $mk && chmod +w $mk
 
 cat > $mk <<EOF
 # DONT EDIT BY HAND: created by script mkMake
-depth = ..
+depth = ${depth}
 include \$(depth)/mk/sysconf
 
-UNACCFLAGS = -g -I. -I\$(depth)/unac \$(INCICONV) -DUNAC_VERSION=\\"1.0.7\\"
+UNACCFLAGS = \$(CFLAGS) -g -I. -I\$(depth)/unac \$(INCICONV) -DUNAC_VERSION=\\"1.0.7\\"
 
 LIBS = librcl.a