From 3a1548643f3f9ef6905e31bcde8603a525789abc Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Mon, 18 Sep 2017 16:30:28 +0200
Subject: Configure: unify clang's -Qunused-arguments option treatment.

Detect clang even if it's disguised, e.g. cross-compiler or invoked by
explicit path name, and add the option based on that.

Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/4383)
---
 Configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Configure')

diff --git a/Configure b/Configure
index 4d74b432eb..326a3ff434 100755
--- a/Configure
+++ b/Configure
@@ -141,7 +141,6 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED"
 #       -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
 #       -Wextended-offsetof -- no, needed in CMS ASN1 code
 my $clang_devteam_warn = ""
-        . " -Qunused-arguments"
         . " -Wswitch-default"
         . " -Wno-parentheses-equality"
         . " -Wno-language-extension-token"
@@ -1321,6 +1320,10 @@ if (defined($config{api})) {
     push @{$config{defines}}, $apiflag;
 }
 
+if (defined($predefined{__clang__}) && !$disabled{asm}) {
+    $config{cflags} .= " -Qunused-arguments";
+}
+
 if ($strict_warnings)
 	{
 	my $wopt;
-- 
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