From 059a1dff3e335d27d5d5d8678ee874835245f7c0 Mon Sep 17 00:00:00 2001
From: Nicholas Sielicki <nslick@amazon.com>
Date: Mon, 12 Aug 2024 12:37:15 -0700
Subject: [PATCH] build: add AC_PROG_CXX

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 6e68a27e1..32325c7ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,7 @@ NCCL_NET_OFI_DISTCHCK_CONFIGURE_FLAGS=
 AC_PROG_CC
 AM_PROG_CC_C_O
 m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
+AC_PROG_CXX
 AC_C_INLINE
 
 dnl ac_check_enable_debug will make sure AC_PROG_CC doesn't add a