diff -rup a/configure b/configure

--- a/configure	2017-06-07 22:24:52.729127425 -0400

+++ b/configure	2017-06-07 22:24:44.687127108 -0400

@@ -2621,6 +2621,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu

+CFLAGS=`echo "" "$CFLAGS" | sed 's/ -m64 / /g'`

+CXXFLAGS=`echo "" "$CXXFLAGS" | sed 's/ -m64 / /g'`

+

+

 ac_aux_dir=

 for ac_dir in . "$srcdir"/.; do

   if test -f "$ac_dir/install-sh"; then

diff -rup a/configure.ac b/configure.ac

--- a/configure.ac	2017-06-07 22:24:27.042126406 -0400

+++ b/configure.ac	2017-06-07 22:24:35.976126763 -0400

@@ -38,6 +38,10 @@ AC_INIT([strace],

 	[https://strace.io])

 m4_define([copyright_year], m4_esyscmd([./copyright-year-gen .year]))

 AC_COPYRIGHT([Copyright (C) 1999-]copyright_year[ The strace developers.])

+

+CFLAGS=`echo "" "$CFLAGS" | sed 's/ -m64 / /g'`

+CXXFLAGS=`echo "" "$CXXFLAGS" | sed 's/ -m64 / /g'`

+

 AC_CONFIG_SRCDIR([strace.c])

 AC_CONFIG_AUX_DIR([.])

 AC_CONFIG_HEADERS([config.h])