Index: libcfa/prelude/Makefile.am
===================================================================
--- libcfa/prelude/Makefile.am	(revision ba9baadeb7d347b3375a3c22e4ce3628359e9187)
+++ libcfa/prelude/Makefile.am	(revision 4dcaed2c212a42d633824e9b88053258a2d0f969)
@@ -59,8 +59,8 @@
 
 ../src/prelude.c : prelude.cf extras.cf gcc-builtins.cf builtins.cf @CFACPP@
-	${AM_V_GEN}@CFACPP@ -l prelude.cf $@  # use src/cfa-cpp as not in lib until after install
+	${AM_V_GEN}@CFACPP@ --prelude-dir=${builddir} -l prelude.cf $@  # use src/cfa-cpp as not in lib until after install
 
 bootloader.c : ${srcdir}/bootloader.cf prelude.cf extras.cf gcc-builtins.cf builtins.cf @CFACPP@
-	${AM_V_GEN}@CFACPP@ -tpm ${srcdir}/bootloader.cf $@  # use src/cfa-cpp as not in lib until after install
+	${AM_V_GEN}@CFACPP@ --prelude-dir=${builddir} -tpm ${srcdir}/bootloader.cf $@  # use src/cfa-cpp as not in lib until after install
 
 maintainer-clean-local :
Index: libcfa/prelude/Makefile.in
===================================================================
--- libcfa/prelude/Makefile.in	(revision ba9baadeb7d347b3375a3c22e4ce3628359e9187)
+++ libcfa/prelude/Makefile.in	(revision 4dcaed2c212a42d633824e9b88053258a2d0f969)
@@ -516,8 +516,8 @@
 
 ../src/prelude.c : prelude.cf extras.cf gcc-builtins.cf builtins.cf @CFACPP@
-	${AM_V_GEN}@CFACPP@ -l prelude.cf $@  # use src/cfa-cpp as not in lib until after install
+	${AM_V_GEN}@CFACPP@ --prelude-dir=${builddir} -l prelude.cf $@  # use src/cfa-cpp as not in lib until after install
 
 bootloader.c : ${srcdir}/bootloader.cf prelude.cf extras.cf gcc-builtins.cf builtins.cf @CFACPP@
-	${AM_V_GEN}@CFACPP@ -tpm ${srcdir}/bootloader.cf $@  # use src/cfa-cpp as not in lib until after install
+	${AM_V_GEN}@CFACPP@ --prelude-dir=${builddir} -tpm ${srcdir}/bootloader.cf $@  # use src/cfa-cpp as not in lib until after install
 
 maintainer-clean-local :