diff -uNr xlib_libpciaccess-0.10.3.orig/configure.ac xlib_libpciaccess-0.10.3/configure.ac --- xlib_libpciaccess-0.10.3.orig/configure.ac 2009-02-09 18:35:50.000000000 -0800 +++ xlib_libpciaccess-0.10.3/configure.ac 2009-02-09 18:38:56.000000000 -0800 @@ -91,10 +91,12 @@ AM_CONDITIONAL(OPENBSD, [test "x$openbsd" = xyes]) AM_CONDITIONAL(SOLARIS, [test "x$solaris" = xyes]) -AC_CHECK_FILE([/usr/include/asm/mtrr.h], - [have_mtrr_h="yes"], [have_mtrr_h="no"]) -if test "x$have_mtrr_h" = xyes; then - AC_DEFINE(HAVE_MTRR, 1, [Use MTRRs on mappings]) +if test "$cross_compiling" != yes; then +AC_CHECK_FILE([/usr/include/asm/mtrr.h], + [have_mtrr_h="yes"], [have_mtrr_h="no"]) +if test "x$have_mtrr_h" = xyes; then + AC_DEFINE(HAVE_MTRR, 1, [Use MTRRs on mappings]) +fi fi AC_SUBST(PCIACCESS_CFLAGS)