From ea50a5c77edf7bbd82ddf026a90c77c4865bb740 Mon Sep 17 00:00:00 2001
From: Keri Harris <keri@gentoo.org>
Date: Thu, 20 Oct 2016 12:03:09 +0200
Subject: [PATCH] dev-lang/qu-prolog: fix compile with GCCv6

Package-Manager: portage-2.3.0
---
 .../qu-prolog/files/qu-prolog-10.0-gcc6.patch | 38 +++++++++++++++++++
 dev-lang/qu-prolog/qu-prolog-10.0.ebuild      |  1 +
 2 files changed, 39 insertions(+)
 create mode 100644 dev-lang/qu-prolog/files/qu-prolog-10.0-gcc6.patch

diff --git a/dev-lang/qu-prolog/files/qu-prolog-10.0-gcc6.patch b/dev-lang/qu-prolog/files/qu-prolog-10.0-gcc6.patch
new file mode 100644
index 0000000000000..626a15b5de993
--- /dev/null
+++ b/dev-lang/qu-prolog/files/qu-prolog-10.0-gcc6.patch
@@ -0,0 +1,38 @@
+--- qp10.0/src/io_qp.h.old	2016-10-12 02:50:04.343499674 -0400
++++ qp10.0/src/io_qp.h	2016-10-12 02:50:10.605264154 -0400
+@@ -662,7 +662,7 @@
+ 
+   bool seekp(streampos pos, ios::seekdir d = ios::beg)
+     {
+-      return stream->seekp(pos, d);
++      return !stream->seekp(pos, d).fail();
+     }
+ 
+   bool put(char ch)
+@@ -736,7 +736,7 @@
+ 
+   bool seekp(streampos pos, ios::seekdir d = ios::beg)
+     {
+-      return stream.seekp(pos, d);
++      return !stream.seekp(pos, d).fail();
+     }
+ 
+   bool put(char ch)
+@@ -816,7 +816,7 @@
+ 
+   bool seekp(streampos pos, ios::seekdir d = ios::beg)
+     {
+-      return stream.seekp(pos, d);
++      return !stream.seekp(pos, d).fail();
+     }
+ 
+   bool put(char ch);
+@@ -876,7 +876,7 @@
+ 
+   bool seekp(streampos pos, ios::seekdir d = ios::beg)
+     {
+-      return stream.seekp(pos, d);
++      return !stream.seekp(pos, d).fail();
+     }
+ 
+   bool put(char ch);
diff --git a/dev-lang/qu-prolog/qu-prolog-10.0.ebuild b/dev-lang/qu-prolog/qu-prolog-10.0.ebuild
index 4914f078c8c50..bb4fb1f309dfb 100644
--- a/dev-lang/qu-prolog/qu-prolog-10.0.ebuild
+++ b/dev-lang/qu-prolog/qu-prolog-10.0.ebuild
@@ -31,6 +31,7 @@ S="${WORKDIR}"/${MY_P}
 src_prepare() {
 	epatch "${FILESDIR}"/${P}-configure.patch
 	epatch "${FILESDIR}"/${P}-associated-item.patch
+	epatch "${FILESDIR}"/${P}-gcc6.patch
 }
 
 src_configure() {