diff options
Diffstat (limited to 'sysdeps/mach/configure.in')
| -rw-r--r-- | sysdeps/mach/configure.in | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sysdeps/mach/configure.in b/sysdeps/mach/configure.in index d998889248..2f82c3a873 100644 --- a/sysdeps/mach/configure.in +++ b/sysdeps/mach/configure.in @@ -97,3 +97,29 @@ AC_EGREP_HEADER(i386_set_gdt, mach/i386/mach_i386.defs, if test $libc_cv_mach_i386_gdt = yes; then AC_DEFINE([HAVE_I386_SET_GDT]) fi + +dnl Swiped from hurd/aclocal.m4 +AC_DEFUN([hurd_MIG_RETCODE], [dnl +# See if mig groks `retcode'. +AC_CACHE_CHECK(whether $MIG supports the retcode keyword, hurd_cv_mig_retcode, +[cat > conftest.defs <<\EOF +#include <mach/std_types.defs> +#include <mach/mach_types.defs> +subsystem foobar 1000; +type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE + ctype: mach_port_t; +simpleroutine foobar_reply ( + reply_port: reply_port_t; + err: kern_return_t, RetCode); +EOF +if AC_TRY_COMMAND([CC="${CC}" ${MIG-false} -n conftest.defs 1>&AS_MESSAGE_LOG_FD]); then + hurd_cv_mig_retcode=yes +else + hurd_cv_mig_retcode=no +fi +rm -f conftest*]) +if test $hurd_cv_mig_retcode = yes; then + AC_DEFINE(HAVE_MIG_RETCODE) +fi]) + +hurd_MIG_RETCODE |