From: Anders F Björklund <anders.f.bjorklund@gmail.com>
Date: Thu, 3 Jan 2019 15:57:02 +0000 (+0100)
Subject: Fix clang warning with older compiler versions
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19b5a97c23d8055b21062759f1aac784a5039b3a;p=thirdparty%2Fccache.git

Fix clang warning with older compiler versions

Don't hardcode the clang version, apparently clang-3.8
did have the warning even though clang-3.4 did not...
---

diff --git a/configure.ac b/configure.ac
index d354ee181..4e34992ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -236,7 +236,7 @@ cat <<EOF >config.h.tmp
 #define CCACHE_CONFIG_H
 #ifdef __clang__
 #pragma clang diagnostic push
-#if __clang_major__ >= 4
+#if __has_warning("-Wreserved-id-macro")
 #pragma clang diagnostic ignored "-Wreserved-id-macro"
 #endif
 #endif