*) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
esac
+dnl--------------------------------------------------------------------------
+dnl CPU-specific assembler features.
+
+AC_LANG([CPPAS])
+
+case $CPUFAM in
+ armel)
+ AC_CACHE_CHECK(
+ [whether the assembler understands ARMv8 crypto extensions],
+ [mdw_cv_as_armv8_crypto],
+ [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+ .arch armv8-a
+ .fpu crypto-neon-fp-armv8
+
+ .text
+ .globl foo
+foo:
+ vldmia r0, {d0-d3}
+ aese.8 q0, q1
+ aesmc.8 q0, q0
+ vstmia r0, {d0, d1}
+ bx r14]])],
+ [mdw_cv_as_armv8_crypto=yes],
+ [mdw_cv_as_armv8_crypto=no])])
+ ;;
+esac
+
+: ${mdw_cv_as_armv8_crypto=no}
+AM_CONDITIONAL([HAVE_AS_ARMV8_CRYPTO], [test $mdw_cv_as_armv8_crypto = yes])
+if test $mdw_cv_as_armv8_crypto = yes; then
+ AC_DEFINE([HAVE_AS_ARMV8_CRYPTO], [1],
+ [Define to 1 if your ARM assembler supports the ARMv8 crypto instructions.])
+fi
+
dnl--------------------------------------------------------------------------
dnl C programming environment.
AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
dnl Various standard types.
-AC_CHECK_TYPE([pid_t], [int])
+AC_CHECK_TYPE([pid_t], [],
+ [AC_DEFINE([pid_t], [int],
+ [Define to `int' if <sys/types.h> does not define])])
AC_TYPE_UID_T
-AC_CHECK_TYPE([ssize_t], [int])
-AC_CHECK_TYPE([socklen_t], [int])
+AC_CHECK_TYPE([ssize_t], [],
+ [AC_DEFINE([ssize_t], [int],
+ [Define to `int' if <sys/types.h> does not define])])
+AC_CHECK_TYPE([socklen_t], [],
+ [AC_DEFINE([socklen_t], [int],
+ [Define to `int' if <sys/socket.h> does not define])],
+ [AC_INCLUDES_DEFAULT
+#include <sys/socket.h>
+])
dnl The maths library.
mdw_ORIG_LIBS=$LIBS LIBS=
dnl Find out whether very long integer types are available.
AC_CHECK_HEADERS([stdint.h])
AC_SUBST([have_stdint_h])
-AC_C_LONG_LONG
+AX_C_LONG_LONG
dnl Some equipment wanted for checking CPU features at runtime.
AC_CHECK_HEADERS([asm/hwcap.h])