From 6f201dd3b4b1b060d15610824da19791c1d02640 Mon Sep 17 00:00:00 2001
From: Doug Torrance <dtorrance@debian.org>
Date: Tue, 14 Jun 2022 15:41:24 +0100
Subject: [PATCH] Link against libatomic for TBB check to prevent FTBFS on
 armel.

Forwarded: https://github.com/Macaulay2/M2/pull/2528
Last-Update: 2022-06-14


Gbp-Pq: Name libatomic.patch
---
 M2/configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/M2/configure.ac b/M2/configure.ac
index 77bbe9e..43b42f8 100644
--- a/M2/configure.ac
+++ b/M2/configure.ac
@@ -404,7 +404,8 @@ then AC_DEFINE(WITH_TBB,1,[whether the tbb library has been enabled by the build
      AC_SUBST(LIBTBB)		dnl LIBTBB is usually set to -ltbb
      AC_LANG(C++)
      AC_CHECK_HEADER(tbb/tbb.h,
-	[AC_SEARCH_LIBS(TBB_runtime_interface_version,"tbb",
+	[LIBS="$LIBS -latomic"
+	 AC_SEARCH_LIBS(TBB_runtime_interface_version,"tbb",
 	   LIBTBB=$ac_cv_search_TBB_runtime_interface_version,
 	   [AC_MSG_ERROR([tbb library not found])])],
 	 [AC_MSG_ERROR([tbb include file (tbb.h) not found])])
-- 
2.30.2