diff --git a/srcpkgs/pilot-link/patches/autoconf-2.71.patch b/srcpkgs/pilot-link/patches/autoconf-2.71.patch
new file mode 100644
index 00000000000..d01f34c6dc6
--- /dev/null
+++ b/srcpkgs/pilot-link/patches/autoconf-2.71.patch
@@ -0,0 +1,162 @@
+From d2c7d22bdfb28144ccdea99ae8298605a619ead6 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andr=C3=A9=20Cerqueira?= <acerqueira021@gmail.com>
+Date: Thu, 11 Aug 2022 14:58:50 +0100
+Subject: [PATCH 1/1] autoconf2.71
+
+---
+ configure.ac | 77 +++++++++-------------------------------------------
+ 1 file changed, 13 insertions(+), 64 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index dc19311..727a4a0 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -16,8 +16,8 @@ dnl ******************************
+ dnl Limit to a specific ac version
+ dnl ******************************
+ AC_PREREQ(2.53)
+-AM_CONFIG_HEADER(config.h)
+-AM_CONFIG_HEADER(include/pi-md5.h)
++AC_CONFIG_HEADERS([config.h])
++AC_CONFIG_HEADERS([include/pi-md5.h])
+ 
+ dnl ******************************
+ dnl Pilot Link Version
+@@ -62,14 +62,6 @@ AC_SUBST(PISYNC_AGE)
+ 
+ dnl Eat -Werror so configure will run properly, if the user provided it
+ enable_werror=no
+-save_CFLAGS="$CFLAGS"
+-CFLAGS=`echo $save_CFLAGS | sed -e s/-Werror//g`
+-CXXFLAGS=`echo $save_CXXFLAGS | sed -e s/-Werror//g`
+-if test "x$CFLAGS" != "x$save_CFLAGS"; then
+-	dnl -Werror was set; treat it as implicit --enable-werror below
+-	enable_werror="yes"
+-fi
+-
+ 
+ dnl Check host type
+ AC_CANONICAL_HOST
+@@ -89,14 +81,6 @@ AM_PROG_LIBTOOL
+ AC_PROG_YACC
+ 
+ 
+-dnl ******************************
+-dnl Defaults for GCC
+-dnl ******************************
+-if test "x$GCC" = "xyes"; then
+-	CFLAGS=${CFLAGS:-"-g2 -Wall"}
+-fi
+-
+-
+ dnl ******************************
+ dnl Platform-specific things
+ dnl ******************************
+@@ -351,7 +335,7 @@ AC_ARG_WITH(bluez,
+ 		AC_HELP_STRING([--with-bluez],
+ 			[Enable use of BlueZ]),
+ 		[use_bluez="$withval"])
+-if test "$use_bluez" != "no" ; then
++AS_IF([test "$use_bluez" != "no"], [
+ 	PKG_CHECK_MODULES([BLUEZ],[bluez],[
+ 		have_bluez=yes
+ 		use_bluez=yes
+@@ -367,7 +351,7 @@ if test "$use_bluez" != "no" ; then
+ 			have_bluez=no
+ 		])
+ 	])
+-fi
++])
+ 
+ if test "$use_bluez" = "yes" ; then
+ 	AC_DEFINE([HAVE_BLUEZ],[1],[Define if we build with BlueZ])
+@@ -387,20 +371,11 @@ AC_ARG_WITH(included-popt,
+ 		[with_included_popt="auto"]
+ )
+ 
+-if test "x$enable_conduits" != "xno"; then
+-	if test "x$with_included_popt" != "xyes"; then
+-		dnl Determine if system popt is good enough
+-		save_LIBS="$LIBS"
+-		AC_CHECK_HEADER(popt.h,
+-			AC_CHECK_DECL(POPT_BIT_SET,
+-				AC_CHECK_LIB(popt, poptStrippedArgv,,
+-					[with_included_popt="yes"]),
+-				[with_included_popt="yes"],
+-				[#include <popt.h>]),
+-			[with_included_popt="yes"]
+-		)
+-		LIBS="$save_LIBS"
+-	fi
++AS_IF([test "x$enable_conduits" != "xno"], [
++	AS_IF([test "x$with_included_popt" != "xyes"], [
++		PKG_CHECK_MODULES([POPT], [popt])
++		POPT_INCLUDES="${POPT_CFLAGS}"
++	])
+ 
+ 	AC_MSG_CHECKING(whether to use included popt)
+ 	if test "x$with_included_popt" = "xyes"; then
+@@ -413,14 +388,13 @@ if test "x$enable_conduits" != "xno"; then
+ 		msg_popt="yes (system)"
+ 	    POPT_LIBS="-lpopt"
+ 	fi
+-else
++], [
+ 	with_included_popt="no"
+ 	msg_popt="none"
+ 	POPT_LIBS=
+ 	POPT_INCLUDES=
+-fi
++])
+ AM_CONDITIONAL(INCLUDED_POPT, test "x$with_included_popt" = "xyes")
+-AC_SUBST(POPT_LIBS)
+ AC_SUBST(POPT_INCLUDES)
+ 
+ 
+@@ -667,31 +641,6 @@ if test "x$with_efence" != "xno"; then
+ fi
+ 
+ 
+-dnl *************************************
+-dnl Runtime debugging
+-dnl *************************************
+-set_debug=yes
+-AC_ARG_ENABLE(debug,
+-	      [  --disable-debug         Shunt runtime debugging],
+-	      [set_debug=no])
+-
+-if test "${enable_debug+set}" = set; then
+-	if test "$enable_debug" = yes; then
+-		CFLAGS="-g $CFLAGS"
+-		set_debug=yes
+-	fi
+-fi
+-
+-echo -n "Runtime debugging is "
+-if test "$set_debug" = "yes"; then
+-	echo "enabled"
+-	AC_DEFINE(PI_DEBUG, 1, [Define if we have debugging enabled])
+-else
+-	echo "disabled"
+-	CFLAGS=`echo "$CFLAGS" | sed -e "s/-g //"`
+-fi
+-
+-
+ dnl *************************************
+ dnl Profiling information
+ dnl *************************************
+@@ -740,9 +689,9 @@ AC_ARG_ENABLE(compile-warnings,
+ 
+ if test "$GCC" = "yes" -a "$set_compile_warnings" != "no"; then
+ 	CFLAGS="$CFLAGS \
+-		-std=gnu99 -g -Wshadow -Wall -W -Waggregate-return -Wcast-align 	\
++		-std=gnu99 -Wshadow -Wall -W -Waggregate-return -Wcast-align 	\
+ 		-Wcast-qual -Wnested-externs -Wpointer-arith -Wundef -Winline	\
+-		-Wbad-function-cast -pedantic -O0"
++		-Wbad-function-cast -pedantic"
+ 
+ fi
+ 
+-- 
+2.37.1
+