From: Jonathan Wakely <jwakely@redhat.com>
Date: Tue, 2 Aug 2016 09:40:50 +0000 (+0100)
Subject: Support using -flto with libstdc++ testsuite
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c1b6948e1ba3d24871e6e11c47e3c33a8b61388b;p=gcc.git

Support using -flto with libstdc++ testsuite

	* testsuite/lib/libstdc++.exp (v3-build_support): Add -fno-lto to
	additional flags for compiling libtestc++.a objects.

From-SVN: r238978
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index aeeb7716d7d..6f6554f6864 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2016-08-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/lib/libstdc++.exp (v3-build_support): Add -fno-lto to
+	additional flags for compiling libtestc++.a objects.
+
 2016-08-01  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/basic_string.h (data() const): Update comment.
diff --git a/libstdc++-v3/testsuite/lib/libstdc++.exp b/libstdc++-v3/testsuite/lib/libstdc++.exp
index 7bf91f3efec..e2afbe541a8 100644
--- a/libstdc++-v3/testsuite/lib/libstdc++.exp
+++ b/libstdc++-v3/testsuite/lib/libstdc++.exp
@@ -636,8 +636,9 @@ proc v3-build_support { } {
 	set object_file [file tail $obj]
 	# Compile with "-w" so that warnings issued by the compiler
 	# do not prevent compilation.
+        # Disable LTO so that ar/ranlib don't need the LTO plugin.
 	if { [v3_target_compile $srcdir/util/$f $object_file "object" \
-		  [list "incdir=$srcdir" "additional_flags=-w"]]
+		  [list "incdir=$srcdir" "additional_flags=-w -fno-lto"]]
 	     != "" } {
 	    error "could not compile $f"
 	}