Commit 14ba9f91 authored by Nick Mathewson's avatar Nick Mathewson 🤹
Browse files

Override unaligned-access-ok check when $host_cpu is ia64. Apparently,... 

Override unaligned-access-ok check when $host_cpu is ia64.  Apparently, ia64-linux reacts to unaligned access by making the kernel gripe. Re-run autogen.sh if you need config.guess/sub.


svn:r1882
parent 683d06bf

configure.in

+11 −1
Original line number Diff line number Diff line
@@ -3,6 +3,8 @@ AC_INIT 
AM_INIT_AUTOMAKE(tor, 0.0.7pre1-cvs-2)

AM_CONFIG_HEADER(orconfig.h)



AC_CANONICAL_HOST



CFLAGS="$CFLAGS -Wall -g -O2 -I/usr/kerberos/include"



AC_ARG_ENABLE(debug,
@@ -166,7 +168,13 @@ AC_CHECK_SIZEOF(long long) 
AC_CHECK_SIZEOF(__int64)

AC_CHECK_SIZEOF(void *)



# Now, let's see about alignment requirements

# Now, let's see about alignment requirements.  On some platforms, we override

# the default.

case $host in

 ia64-*-* | arm-*-* )

    tor_cv_unaligned_ok=no

    ;;

 *)

AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,

[AC_RUN_IFELSE([AC_LANG_SOURCE(

[[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
@@ -174,6 +182,8 @@ return *(int*)(&s[1]); }]])], 
       [tor_cv_unaligned_ok=yes],

       [tor_cv_unaligned_ok=no],

       [tor_cv_unaligned_ok=cross])])

esac



if test $tor_cv_unaligned_ok = yes; then

  AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,

            [Define to 1 iff unaligned int access is allowed])