+
+ AC_MSG_CHECKING(for ARMV6)
+ AC_TRY_RUN([
+ int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
+ ], armv6=yes, armv6=no)
+
+ AC_MSG_RESULT($armv6)
+ if test ${armv6} = yes; then
+ AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
+ fi