$NetBSD: patch-configure.ac,v 1.1 2019/12/18 12:36:51 joerg Exp $

Don't force -latomic for clang.

--- configure.ac.orig	2019-12-13 12:16:28.334317787 +0000
+++ configure.ac
@@ -200,14 +200,6 @@ if test x$enable_universal_binary = xyes
    esac
 fi
 
-dnl Check if $CXX is clang by evaluating the version string because
-dnl $ax_cv_cxx_compiler_vendor seems not to work (it is either "gnu" or just empty).
-dnl If $CXX is clang (string is found), grep returns 0 and the if is executed.
-dnl Use /dev/null to suppress grep output to shell.
-if ($CXX --version | grep 'clang version' > /dev/null); then
-    LDFLAGS="${LDFLAGS} -latomic"
-fi
-
 if test x$enable_sse = xyes; then
 
    if test "${ax_cv_cxx_compiler_vendor}" = "gnu"; then