file=$1
shift
-echo "#define SUPERNOVAE_MODE 1" > $file
-echo '#include <ctype.h>' >> $file
-echo '#include "portable.h"' >> $file
-echo '#include "xbt.h"' >> $file
+cat > $file <<EOF
+#define SUPERNOVAE_MODE 1
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE /* for getline() with older libc */
+#endif
+#include <ctype.h>
+#include "portable.h"
+#include "xbt.h"
+EOF
for n in $@ ; do
# echo "File $n"
if [ "X$n" = 'Xxbt/log.c' ] ; then
