Index: libcfa/prelude/Makefile.am
===================================================================
--- libcfa/prelude/Makefile.am	(revision c59712ef719214c06c49604e482d89f51c7745d4)
+++ libcfa/prelude/Makefile.am	(revision ff1e0f38b2bf523763024876e746508c1928685e)
@@ -33,12 +33,12 @@
 # create extra forward types/declarations to reduce inclusion of library files
 extras.cf : ${srcdir}/extras.regx ${srcdir}/extras.c
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -E ${srcdir}/extras.c | grep -f ${srcdir}/extras.regx > extras.cf
+	${AM_V_GEN}gcc -E ${srcdir}/extras.c | grep -f ${srcdir}/extras.regx > extras.cf
 
 # create forward declarations for gcc builtins
 gcc-builtins.cf : gcc-builtins.c ${srcdir}/prototypes.sed
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -I${srcdir} -E -P $< | sed -r -f ${srcdir}/prototypes.sed > $@
+	${AM_V_GEN}gcc -I${srcdir} -E -P $< | sed -r -f ${srcdir}/prototypes.sed > $@
 
 gcc-builtins.c : ${srcdir}/builtins.def ${srcdir}/prototypes.awk ${srcdir}/sync-builtins.cf ${srcdir}/prototypes.c
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -I${srcdir} -E ${srcdir}/prototypes.c | awk -f ${srcdir}/prototypes.awk > $@
+	${AM_V_GEN}gcc -I${srcdir} -E ${srcdir}/prototypes.c | awk -f ${srcdir}/prototypes.awk > $@
 
 prelude.cf : prelude-gen.cc
Index: libcfa/prelude/Makefile.in
===================================================================
--- libcfa/prelude/Makefile.in	(revision c59712ef719214c06c49604e482d89f51c7745d4)
+++ libcfa/prelude/Makefile.in	(revision ff1e0f38b2bf523763024876e746508c1928685e)
@@ -90,4 +90,6 @@
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
 subdir = prelude
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -162,5 +164,12 @@
 CCASFLAGS = @CCASFLAGS@
 CCDEPMODE = @CCDEPMODE@
+CFACC = @CFACC@
+CFACPP = @CFACPP@
+CFA_BINDIR = @CFA_BINDIR@
+CFA_INCDIR = @CFA_INCDIR@
+CFA_LIBDIR = @CFA_LIBDIR@
+CFA_PREFIX = @CFA_PREFIX@
 CFLAGS = @CFLAGS@
+CONFIGURATION = @CONFIGURATION@
 CPPFLAGS = @CPPFLAGS@
 CXX = @CXX@
@@ -170,4 +179,5 @@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
+DRIVER_DIR = @DRIVER_DIR@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
@@ -211,5 +221,9 @@
 am__untar = @am__untar@
 bindir = @bindir@
+build = @build@
 build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
 builddir = @builddir@
 datadir = @datadir@
@@ -218,5 +232,9 @@
 dvidir = @dvidir@
 exec_prefix = @exec_prefix@
+host = @host@
 host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
 htmldir = @htmldir@
 includedir = @includedir@
@@ -472,12 +490,12 @@
 # create extra forward types/declarations to reduce inclusion of library files
 extras.cf : ${srcdir}/extras.regx ${srcdir}/extras.c
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -E ${srcdir}/extras.c | grep -f ${srcdir}/extras.regx > extras.cf
+	${AM_V_GEN}gcc -E ${srcdir}/extras.c | grep -f ${srcdir}/extras.regx > extras.cf
 
 # create forward declarations for gcc builtins
 gcc-builtins.cf : gcc-builtins.c ${srcdir}/prototypes.sed
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -I${srcdir} -E -P $< | sed -r -f ${srcdir}/prototypes.sed > $@
+	${AM_V_GEN}gcc -I${srcdir} -E -P $< | sed -r -f ${srcdir}/prototypes.sed > $@
 
 gcc-builtins.c : ${srcdir}/builtins.def ${srcdir}/prototypes.awk ${srcdir}/sync-builtins.cf ${srcdir}/prototypes.c
-	${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -I${srcdir} -E ${srcdir}/prototypes.c | awk -f ${srcdir}/prototypes.awk > $@
+	${AM_V_GEN}gcc -I${srcdir} -E ${srcdir}/prototypes.c | awk -f ${srcdir}/prototypes.awk > $@
 
 prelude.cf : prelude-gen.cc