base/dispatch.c: Add (unused) machinery for probing ELF auxilary vector.

[catacomb] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8a58d78208127d7e99357d7dde04128c011f7c6d..dcf7028140273b292c9e80fa687ce93eb6433123 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -128,6 +128,12 @@ case $CPUFAM in
   *) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
 esac
 
+dnl Some equipment wanted for checking CPU features at runtime.
+AC_CHECK_HEADERS([asm/hwcap.h])
+AC_CHECK_HEADERS([sys/auxv.h])
+AC_CHECK_HEADERS([linux/auxvec.h])
+AC_CHECK_FUNCS([getauxval])
+
 dnl--------------------------------------------------------------------------
 dnl C programming environment.