From b9153698db0162934ec82b3a2023e78836af79a6 Mon Sep 17 00:00:00 2001
From: Olly Betts <olly@survex.com>
Date: Fri, 3 Feb 2023 11:58:10 +1300
Subject: [PATCH] Drop configure probe for popen()

It was only used by the command encoder which we removed.
---
 configure.ac | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index ef7bebdf9..830214a74 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,14 +37,6 @@ AC_DEFINE_UNQUOTED(SWIG_PLATFORM, ["$host"], [Platform that SWIG is built for])
 # For AC_EGREP_CPP
 AC_PROG_EGREP
 
-dnl Look for popen
-AC_ARG_WITH(popen, AS_HELP_STRING([--without-popen], [Disable popen]), with_popen="$withval")
-if test x"${with_popen}" = xno ; then
-AC_MSG_NOTICE([Disabling popen])
-else
-AC_CHECK_FUNC(popen, AC_DEFINE(HAVE_POPEN, 1, [Define if popen is available]), AC_MSG_NOTICE([Disabling popen]))
-fi
-
 dnl PCRE
 AC_ARG_WITH([pcre],
   [AS_HELP_STRING([--without-pcre],