Latest update

Configure

@@ -145,6 +145,8 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED"
 #       -Wlanguage-extension-token -- no, we use asm()
 #       -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
 #       -Wextended-offsetof -- no, needed in CMS ASN1 code
+#       -Wunused-function -- no, it forces header use of safestack et al
+#                            DEFINE macros
 my $clang_devteam_warn = ""
         . " -Wswitch-default"
         . " -Wno-parentheses-equality"
@@ -154,6 +156,7 @@ my $clang_devteam_warn = ""
         . " -Wincompatible-pointer-types-discards-qualifiers"
         . " -Wmissing-variable-declarations"
         . " -Wno-unknown-warning-option"
+        . " -Wno-unused-function"
         ;
 
 # This adds backtrace information to the memory leak info.  Is only used
@@ -749,7 +752,11 @@ while (@argvcopy)
 		}
 	elsif (/^--strict-warnings$/)
 		{
-		$strict_warnings = 1;
+		# Pretend that our strict flags is a C flag, and replace it
+		# with the proper flags later on
+		push @{$useradd{CFLAGS}}, '--ossl-strict-warnings';
+		push @{$useradd{CXXFLAGS}}, '--ossl-strict-warnings';
+		$strict_warnings=1;
 		}
 	elsif (/^--debug$/)
 		{
@@ -1500,6 +1507,7 @@ $config{openssl_api_defines} = [
     "OPENSSL_MIN_API=".($apitable->{$config{api} // ""} // -1)
 ];
 
+my @strict_warnings_collection=();
 if ($strict_warnings)
 	{
 	my $wopt;
@@ -1507,26 +1515,17 @@ if ($strict_warnings)
 
 	die "ERROR --strict-warnings requires gcc[>=4] or gcc-alike"
             unless $gccver >= 4;
-	foreach $wopt (split /\s+/, $gcc_devteam_warn)
-		{
-		push @{$config{cflags}}, $wopt
-			unless grep { $_ eq $wopt } @{$config{cflags}};
-		push @{$config{cxxflags}}, $wopt
-			if ($config{CXX}
-			    && !grep { $_ eq $wopt } @{$config{cxxflags}});
-		}
-	if (defined($predefined{__clang__}))
-		{
-		foreach $wopt (split /\s+/, $clang_devteam_warn)
-			{
-			push @{$config{cflags}}, $wopt
-				unless grep { $_ eq $wopt } @{$config{cflags}};
-			push @{$config{cxxflags}}, $wopt
-				if ($config{CXX}
-				    && !grep { $_ eq $wopt } @{$config{cxxflags}});
-			}
-		}
+	push @strict_warnings_collection, (split /\s+/, $gcc_devteam_warn);
+	push @strict_warnings_collection, (split /\s+/, $clang_devteam_warn)
+		if (defined($predefined{__clang__}));
 	}
+foreach (qw(CFLAGS CXXFLAGS))
+        {
+        $useradd{$_} = [ map { $_ eq '--ossl-strict-warnings'
+                                  ? @strict_warnings_collection
+                                  : ( $_ ) }
+                            @{$useradd{$_}} ];
+        }
 
 unless ($disabled{"crypto-mdebug-backtrace"})
 	{