diff --git a/clisp.changes b/clisp.changes
index 88c9544..a15b4fb 100644
--- a/clisp.changes
+++ b/clisp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jul 27 13:29:56 UTC 2017 - werner@suse.de
+
+- Try to build on all platforms with new configure option
+  --enable-portability ... let us see if this works
+
 -------------------------------------------------------------------
 Thu Jul 27 13:08:17 UTC 2017 - werner@suse.de
 
diff --git a/clisp.spec b/clisp.spec
index 0006a00..ad122bc 100644
--- a/clisp.spec
+++ b/clisp.spec
@@ -56,8 +56,6 @@ Patch16:        clisp-db6.diff
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %global vimdir  %{_datadir}/vim/site/after/syntax
-# exclude from src/lispbibl.d "CLISP not ported to this platform"
-ExcludeArch:    ppc64 ppc64le s390x armv4l
 BuildRequires:  db-devel
 BuildRequires:  dbus-1-devel
 BuildRequires:  fdupes
@@ -185,6 +183,8 @@ port=''
 case "$RPM_ARCH" in
     i[0-9]86)
             MYCFLAGS="${MYCFLAGS} ${noexec}"			;;
+    armv4l) MYCFLAGS="${MYCFLAGS} ${noexec}"
+	    port=--enable-portability				;;
     arm*)   MYCFLAGS="${MYCFLAGS} ${noexec}"			;;
     aarch64)MYCFLAGS="${MYCFLAGS} ${noexec}"
 	    port=--enable-portability				;;
@@ -192,10 +192,12 @@ case "$RPM_ARCH" in
     s390)   MYCFLAGS="${MYCFLAGS} ${noexec}"			;;
     x86_64) MYCFLAGS="${MYCFLAGS} ${safety}"			;;
     sparc*) MYCFLAGS="${MYCFLAGS} ${safety}"			;;
-    ppc64)  MYCFLAGS="${MYCFLAGS} ${safety} -DWIDE_HARD"	;;
+    ppc64)  MYCFLAGS="${MYCFLAGS} ${safety} -DWIDE_HARD"
+	    port=--enable-portability				;;
     ppc64le)MYCFLAGS="${MYCFLAGS} ${safety} -DWIDE_HARD"
 	    port=--enable-portability				;;
-    s390x)  MYCFLAGS="${MYCFLAGS} ${safety} -DWIDE_HARD"	;;
+    s390x)  MYCFLAGS="${MYCFLAGS} ${safety} -DWIDE_HARD"
+	    port=--enable-portability				;;
     ia64)   MYCFLAGS="${MYCFLAGS} ${safety}"			;;
     axp|alpha)
 	    MYCFLAGS="${MYCFLAGS} ${nommap}"			;;