GNU bug report logs - #26898
[PATCH] gnu: reptry: Fix build.

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From: Mathieu Othacehe <m.othacehe <at> gmail.com>
To: 26898 <at> debbugs.gnu.org
Cc: Mathieu Othacehe <m.othacehe <at> gmail.com>
Subject: bug#26898: [PATCH] gnu: reptry: Fix build.
Date: Fri, 12 May 2017 19:33:28 +0200

* gnu/packages/patches/reptyr-fix-gcc-7.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add new patch.
* gnu/packages/screen.scm (reptyr): Use patch.
---
 gnu/local.mk                                |  1 +
 gnu/packages/patches/reptyr-fix-gcc-7.patch | 35 +++++++++++++++++++++++++++++
 gnu/packages/screen.scm                     |  3 +++
 3 files changed, 39 insertions(+)
 create mode 100644 gnu/packages/patches/reptyr-fix-gcc-7.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 1a3e2f3f0..d7f23966e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -938,6 +938,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/readline-link-ncurses.patch		\
   %D%/packages/patches/readline-6.2-CVE-2014-2524.patch		\
   %D%/packages/patches/readline-7.0-mingw.patch			\
+  %D%/packages/patches/reptyr-fix-gcc-7.patch			\
   %D%/packages/patches/ripperx-missing-file.patch		\
   %D%/packages/patches/rpcbind-CVE-2017-8779.patch		\
   %D%/packages/patches/rpm-CVE-2014-8118.patch			\
diff --git a/gnu/packages/patches/reptyr-fix-gcc-7.patch b/gnu/packages/patches/reptyr-fix-gcc-7.patch
new file mode 100644
index 000000000..9a2ce006c
--- /dev/null
+++ b/gnu/packages/patches/reptyr-fix-gcc-7.patch
@@ -0,0 +1,35 @@
+This patch allows reptyr to build with gcc 7. It is taken from reptyr mainline patches
+fa0d63f and b45fd92.
+
+Patch by Nelson Elhage <nelhage <at> nelhage.com>.
+
+diff --git a/attach.c b/attach.c
+index bd8ef8c..8d9cbf8 100644
+--- a/attach.c
++++ b/attach.c
+@@ -389,8 +389,11 @@ int setup_steal_socket(struct steal_pty_state *steal) {
+         return errno;
+ 
+     steal->addr_un.sun_family = AF_UNIX;
+-    snprintf(steal->addr_un.sun_path, sizeof(steal->addr_un.sun_path),
+-             "%s/reptyr.sock", steal->tmpdir);
++    if (snprintf(steal->addr_un.sun_path, sizeof(steal->addr_un.sun_path),
++                 "%s/reptyr.sock", steal->tmpdir) >= sizeof(steal->addr_un.sun_path)) {
++        error("tmpdir path too long!");
++        return ENAMETOOLONG;
++    }
+ 
+     if ((steal->sockfd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0)
+         return errno;
+diff --git a/platform/linux/linux.h b/platform/linux/linux.h
+index 9e6b78a..3ec5a99 100644
+--- a/platform/linux/linux.h
++++ b/platform/linux/linux.h
+@@ -40,6 +40,7 @@
+ #include <sys/ptrace.h>
+ #include <asm/ptrace.h>
+ #include <sys/types.h>
++#include <sys/sysmacros.h>
+ #include <sys/user.h>
+ #include <unistd.h>
+ #include <stdlib.h>
diff --git a/gnu/packages/screen.scm b/gnu/packages/screen.scm
index 1bdfcd011..49584662b 100644
--- a/gnu/packages/screen.scm
+++ b/gnu/packages/screen.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2015 Eric Bavier <bavier <at> member.fsf.org>
 ;;; Copyright © 2016, 2017 Efraim Flashner <efraim <at> flashner.co.il>
 ;;; Copyright © 2016 Alex Griffin <a <at> ajgrf.com>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe <at> gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -155,6 +156,8 @@ window manager as well as the Tmux terminal multiplexer.")
        (method url-fetch)
        (uri (string-append "https://github.com/nelhage/reptyr/archive"
                            "/reptyr-" version ".tar.gz"))
+       ;; XXX: To be removed on next reptyr release.
+       (patches (search-patches "reptyr-fix-gcc-7.patch"))
        (sha256
         (base32
          "07pfl0rkgm8m3f3jy8r9l2yvnhf8lgllpsk3mh57mhzdxq8fagf7"))))
-- 
2.13.0

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