From b3529cf43bba5c3c4cddefa7f5d0143d510fd3ec Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Thu, 8 Jan 2015 07:54:34 +0100
Subject: build: add --with-mini-gmp switch to disable linking libgmp

This allows to disable linking the >400 KB big libgmp and replace it
with the builtin mini-gmp which only increases size by ~30KB.

Enabling this selectively decreases debugging verbosity (pr_debug).

Signed-off-by: Steven Barth <cyrus@openwrt.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/gmputil.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/gmputil.h')

diff --git a/include/gmputil.h b/include/gmputil.h
index 63eb0ba9..1bf696a5 100644
--- a/include/gmputil.h
+++ b/include/gmputil.h
@@ -1,7 +1,17 @@
 #ifndef NFTABLES_GMPUTIL_H
 #define NFTABLES_GMPUTIL_H
 
+#include <config.h>
+
+#ifdef HAVE_LIBGMP
 #include <gmp.h>
+#else
+#include <mini-gmp.h>
+/* mini-gmp doesn't come with gmp_printf, so we use our own minimal variant */
+extern int mpz_printf(const char *format, const mpz_t value);
+#define gmp_printf mpz_printf
+#endif
+
 #include <asm/byteorder.h>
 
 enum mpz_word_order {
-- 
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