diff -rup a/configure b/configure
--- a/configure	2016-05-31 07:35:55.000000000 -0400
+++ b/configure	2016-08-25 18:50:02.732609963 -0400
@@ -2585,6 +2585,10 @@ 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	2016-05-26 10:44:13.000000000 -0400
+++ b/configure.ac	2016-08-25 18:49:37.072638055 -0400
@@ -33,6 +33,10 @@ AC_PREREQ(2.57)
 AC_INIT([strace],
 	m4_esyscmd([./git-version-gen .tarball-version]),
 	[strace-devel@lists.sourceforge.net])
+
+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])