From da7fc851dc21342bd8f33f92771fe78087b73e35 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 11 Aug 2018 16:27:52 -0700
Subject: [PATCH] Reject old libgmp that lack mpz_roinit_n

* configure.ac (HAVE_GMP): Port to RHEL 6.9, which has
libgmp 3.5, which predates mpz_roinit_n.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 3d0a7876832..690b999125f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4305,7 +4305,7 @@ AC_SUBST(KRB4LIB)
 GMP_LIB=
 GMP_OBJ=
 HAVE_GMP=no
-AC_CHECK_LIB(gmp, __gmpz_init, [
+AC_CHECK_LIB(gmp, __gmpz_roinit_n, [
   AC_CHECK_HEADERS(gmp.h, [
     GMP_LIB=-lgmp
     HAVE_GMP=yes
-- 
2.11.4.GIT