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-rw-r--r--stdio-common/printf_fp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c
index 15eb0b63ab..7b46cd6bb9 100644
--- a/stdio-common/printf_fp.c
+++ b/stdio-common/printf_fp.c
@@ -19,6 +19,9 @@ License along with the GNU C Library; see the file COPYING.LIB.	 If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
+/* The gmp headers need some configuration frobs.  */
+#define HAVE_ALLOCA 1
+
 #ifdef USE_IN_LIBIO
 #  include <libioP.h>
 #else