From 1f367931c8e234cc3ac1f20ec191f80aa3a91c2a Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 15 Aug 2015 14:18:43 -0400
Subject: net-firewall/iptables: fix configure enable flag parsing #557586

---
 .../iptables/files/iptables-1.4.21-configure.patch | 34 ++++++++++++++++++++++
 net-firewall/iptables/iptables-1.4.21-r2.ebuild    |  2 ++
 2 files changed, 36 insertions(+)
 create mode 100644 net-firewall/iptables/files/iptables-1.4.21-configure.patch

diff --git a/net-firewall/iptables/files/iptables-1.4.21-configure.patch b/net-firewall/iptables/files/iptables-1.4.21-configure.patch
new file mode 100644
index 000000000000..e827885f1688
--- /dev/null
+++ b/net-firewall/iptables/files/iptables-1.4.21-configure.patch
@@ -0,0 +1,34 @@
+https://bugs.gentoo.org/557586
+
+From b24e59fba39120bfdb9e521bbd0af8f33a60466e Mon Sep 17 00:00:00 2001
+From: Mike Frysinger <vapier@gentoo.org>
+Date: Sat, 15 Aug 2015 14:12:39 -0400
+Subject: [PATCH] configure: fix 3rd arg w/AC_ARG_ENABLE
+
+The 3rd arg is used when --{enable,disable}-foo are passed in, not when
+the feature is enabled.  Use the existing $enableval instead.
+
+Signed-off-by: Mike Frysinger <vapier@gentoo.org>
+---
+ configure.ac | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/configure
++++ b/configure
+@@ -11898,14 +11898,14 @@ fi
+ 
+ # Check whether --enable-bpf-compiler was given.
+ if test "${enable_bpf_compiler+set}" = set; then :
+-  enableval=$enable_bpf_compiler; enable_bpfc="yes"
++  enableval=$enable_bpf_compiler; enable_bpfc="$enableval"
+ else
+   enable_bpfc="no"
+ fi
+ 
+ # Check whether --enable-nfsynproxy was given.
+ if test "${enable_nfsynproxy+set}" = set; then :
+-  enableval=$enable_nfsynproxy; enable_nfsynproxy="yes"
++  enableval=$enable_nfsynproxy; enable_nfsynproxy="$enableval"
+ else
+   enable_nfsynproxy="no"
+ fi
diff --git a/net-firewall/iptables/iptables-1.4.21-r2.ebuild b/net-firewall/iptables/iptables-1.4.21-r2.ebuild
index e70cf3346f99..268e0f7de373 100644
--- a/net-firewall/iptables/iptables-1.4.21-r2.ebuild
+++ b/net-firewall/iptables/iptables-1.4.21-r2.ebuild
@@ -34,6 +34,8 @@ src_prepare() {
 	# use the saner headers from the kernel
 	rm -f include/linux/{kernel,types}.h
 
+	epatch "${FILESDIR}"/${P}-configure.patch #557586
+
 	# Only run autotools if user patched something
 	epatch_user && eautoreconf || elibtoolize
 }
-- 
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