From 3b7c6512ac77dd13f53be0905ea972de4ffd5a54 Mon Sep 17 00:00:00 2001
From: mudzot <mudzot@gmail.com>
Date: Sun, 17 Nov 2013 09:53:14 +0700
Subject: [PATCH] Add #ifdef to make it easier to embed libtomcrypt with
 LTC_NOTHING Restore LTC_NO_MATH and make rand_prime.c depend on LTC_NO_MATH &
 LTC_NO_PRNGS

---
 src/headers/tomcrypt_custom.h | 5 +++++
 src/math/rand_prime.c         | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/headers/tomcrypt_custom.h b/src/headers/tomcrypt_custom.h
index b87700a..e34beb1 100644
--- a/src/headers/tomcrypt_custom.h
+++ b/src/headers/tomcrypt_custom.h
@@ -68,6 +68,7 @@
 
 /* shortcut to disable automatic inclusion */
 #if defined LTC_NOTHING && !defined LTC_EASY
+  #define LTC_NO_MATH
   #define LTC_NO_CIPHERS
   #define LTC_NO_MODES
   #define LTC_NO_HASHES
@@ -143,12 +144,16 @@
 /* #define LTC_NO_BSWAP */
 
 /* ---> math provider? <--- */
+#ifndef LTC_NO_MATH
+
 /* LibTomMath */
 /* #define LTM_DESC */
 
 /* TomsFastMath */
 /* #define TFM_DESC */
 
+#endif /* LTC_NO_MATH */
+
 /* GNU Multiple Precision Arithmetic Library */
 /* #define GMP_DESC */
 
diff --git a/src/math/rand_prime.c b/src/math/rand_prime.c
index f228429..30a03d6 100644
--- a/src/math/rand_prime.c
+++ b/src/math/rand_prime.c
@@ -10,6 +10,8 @@
  */
 #include "tomcrypt.h"
 
+#if !defined LTC_NO_MATH && !defined LTC_NO_PRNGS
+
 /**
   @file rand_prime.c
   Generate a random prime, Tom St Denis
@@ -80,6 +82,7 @@ int rand_prime(void *N, long len, prng_state *prng, int wprng)
    return CRYPT_OK;
 }
       
+#endif /* LTC_NO_MATH */
 
 
 /* $Source$ */