From 56e8ec8bf3f2a630901fdfdda2c9376d0c5256b4 Mon Sep 17 00:00:00 2001
From: Vitaly Zdanevich <zdanevich.vitaly@ya.ru>
Date: Fri, 21 May 2021 21:41:28 +0300
Subject: app-editors/vim: add ipv6 USE flag support.

Closes: https://bugs.gentoo.org/790446
Closes: https://github.com/gentoo/gentoo/pull/20911
Signed-off-by: Vitaly Zdanevich <zdanevich.vitaly@ya.ru>
Signed-off-by: Patrice Clement <monsieurp@gentoo.org>
---
 app-editors/vim/metadata.xml             | 1 +
 app-editors/vim/vim-8.2.0814-r100.ebuild | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/app-editors/vim/metadata.xml b/app-editors/vim/metadata.xml
index acc712bdb241..bc092f380c09 100644
--- a/app-editors/vim/metadata.xml
+++ b/app-editors/vim/metadata.xml
@@ -7,6 +7,7 @@
   </maintainer>
   <use>
     <flag name="cscope">Enable cscope interface</flag>
+    <flag name="ipv6">Enable IPv6 support in channel</flag>
     <flag name="racket">Enable support for Scheme using <pkg>dev-scheme/racket</pkg></flag>
     <flag name="terminal">Enable terminal emulation support</flag>
     <flag name="vim-pager">Install vimpager and vimmanpager links</flag>
diff --git a/app-editors/vim/vim-8.2.0814-r100.ebuild b/app-editors/vim/vim-8.2.0814-r100.ebuild
index 085e62c4a3f7..c6cf07318e82 100644
--- a/app-editors/vim/vim-8.2.0814-r100.ebuild
+++ b/app-editors/vim/vim-8.2.0814-r100.ebuild
@@ -24,7 +24,7 @@ HOMEPAGE="https://vim.sourceforge.io/ https://github.com/vim/vim"
 
 SLOT="0"
 LICENSE="vim"
-IUSE="X acl cscope debug gpm lua minimal nls perl python racket ruby selinux sound tcl terminal vim-pager"
+IUSE="X acl cscope debug gpm lua ipv6 minimal nls perl python racket ruby selinux sound tcl terminal vim-pager"
 REQUIRED_USE="
 	lua? ( ${LUA_REQUIRED_USE} )
 	python? ( ${PYTHON_REQUIRED_USE} )
@@ -228,6 +228,12 @@ src_configure() {
 			)
 		fi
 
+		if ! use ipv6; then
+			myconf+=(
+				vim_cv_ipv6_networking=no
+			)
+		fi
+
 		# don't test USE=X here ... see bug #19115
 		# but need to provide a way to link against X ... see bug #20093
 		myconf+=(
-- 
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