diff options
| -rw-r--r-- | configure.in | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 730e05e5..cf117be0 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -AC_REVISION([$Id: configure.in,v 1.23 2001/12/22 20:45:48 roland Exp $]) +AC_REVISION([$Id: configure.in,v 1.24 2001/12/31 23:39:18 roland Exp $]) AC_PREREQ(2.12) dnl Minimum Autoconf version required. AC_INIT(hurd/hurd_types.h) dnl A distinctive file to look for in srcdir. @@ -79,6 +79,29 @@ AC_SUBST(CFLAGS) AC_SUBST(CPPFLAGS) AC_SUBST(LDFLAGS) AC_CHECK_LIB(crypt, crypt, LIBCRYPT=-lcrypt) AC_SUBST(LIBCRYPT) +# 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>&AC_FD_CC]); then + hurd_cv_mig_retcode=yes +else + hurd_cv_mig_retcode=no +fi +rm -f conftest*]) +if test $hurd_cv_mig_retcode = no; then + dnl NoLong is a harmless syntactically equivalent flag. + AC_DEFINE(RetCode, NoLong) +fi + # See if --version-script is available. AC_CACHE_CHECK(for ld --version-script, hurd_cv_ld_version_script_option, [dnl cat > conftest.c <<\EOF |