+# Check whether --enable-ds390-port or --disable-ds390-port was given.
+if test "${enable_ds390_port+set}" = set; then
+ enableval="$enable_ds390_port"
+ :
+fi
+
+echo ds390 >>ports.all
+if test "$enable_ds390_port" = "no"; then
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_DS390 1
+EOF
+
+else
+ echo ds390 >>ports.build
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_DS390 0
+EOF
+
+fi
+
+# Check whether --enable-pic-port or --disable-pic-port was given.
+if test "${enable_pic_port+set}" = set; then
+ enableval="$enable_pic_port"
+ :
+fi
+
+echo pic >>ports.all
+if test "$enable_pic_port" = "no"; then
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_PIC 1
+EOF
+
+else
+ echo pic >>ports.build
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_PIC 0
+EOF
+
+fi
+
+# Check whether --enable-i186-port or --disable-i186-port was given.
+if test "${enable_i186_port+set}" = set; then
+ enableval="$enable_i186_port"
+ :
+fi
+
+echo izt >>ports.all
+if test "$enable_i186_port" = "no"; then
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_I186 1
+EOF
+
+else
+ echo izt >>ports.build
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_I186 0
+EOF
+
+fi
+
+# Check whether --enable-tlcs900h-port or --disable-tlcs900h-port was given.
+if test "${enable_tlcs900h_port+set}" = set; then
+ enableval="$enable_tlcs900h_port"
+ :
+fi
+
+echo izt >>ports.all
+if test "$enable_tlcs900h_port" = "no"; then
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_TLCS900H 1
+EOF
+
+else
+ echo izt >>ports.build
+ cat >> confdefs.h <<EOF
+#define OPT_DISABLE_TLCS900H 0
+EOF
+
+fi
+
+#remove duplicates
+cat ports.all | uniq >ports
+mv ports ports.all
+cat ports.build | uniq >ports
+mv ports ports.build
+