glibc/sysdeps/mach/configure.in
Roland McGrath 3a2832a07f * sysdeps/mach/hurd/times.c: Fix typo in last change.
* sysdeps/mach/hurd/setpriority.c [POLICY_TIMESHARE_BASE_COUNT]:
	Use task_policy in place of task_priority.

	* sysdeps/generic/bits/mman.h
	(MS_ASYNC, MS_SYNC, MS_INVALIDATE): New macros.
	* sysdeps/mach/msync.c: New file.

	* sysdeps/mach/powerpc/syscall.S: New file.

	* mach/msg.c [MACH_MSG_OVERWRITE]
	(__mach_msg_trap, __mach_msg_overwrite): New functions.
	* mach/Versions (libc: GLIBC_2.0): Add mach_msg_overwrite and __ name.

	* sysdeps/mach/configure.in: Check for clock.defs to put into
	mach_interface_list.
	* sysdeps/mach/configure: Regenerated.

	* mach/Makefile (mach-machine): New variable, set from $(base-machine).
	($(objpfx)mach-syscalls.mk): Use it in place of $(base-machine).
	($(mach-syscalls:%=$(objpfx)%.S) static pattern rule):
	Use <mach/machine/syscall_sw.h> instead of <sysdep.h>.
	(mach-shortcuts): Add device_read_overwrite_request,
	device_read_overwrite, vm_read_overwrite, thread_switch.

	* configure.in (base_machine): Set to $machine by default.
	* configure: Regenerated.
2002-02-19 00:22:30 +00:00

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sinclude(./aclocal.m4)dnl Autoconf lossage.
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
### Sanity checks for Mach header installation
AC_CHECK_HEADER(mach/mach_types.h,, [AC_MSG_ERROR([cannot find Mach headers])])
AC_CHECK_HEADER(mach/mach_types.defs,, [dnl
AC_MSG_ERROR([cannot find Mach .defs files])])
dnl
dnl mach_TYPE_CHECK(foo_t, bar_t)
dnl
dnl Check if foo_t is defined by <mach/mach_types.h>.
dnl If not, compile with -Dfoo_t=bar_t.
dnl
AC_DEFUN([mach_TYPE_CHECK], [dnl
AC_CACHE_CHECK(for $1 in mach/mach_types.h, libc_cv_mach_$1,
AC_TRY_COMPILE([#include <mach/mach_types.h>], [extern $1 foo;],
libc_cv_mach_$1=$1, libc_cv_mach_$1=$2))
if test [$]libc_cv_mach_$1 != $1; then
DEFINES="$DEFINES -D$1=$2"
fi])
dnl
dnl OSF Mach has renamed these typedefs for some reason.
dnl
mach_TYPE_CHECK(task_t, task_port_t)
mach_TYPE_CHECK(thread_t, thread_port_t)
dnl
dnl The creation_time field is a GNU Mach addition the other variants lack.
dnl
AC_CACHE_CHECK(for creation_time in task_basic_info,
libc_cv_mach_task_creation_time, [dnl
AC_TRY_COMPILE([#include <mach/task_info.h>], [
extern struct task_basic_info *i;
long s = i->creation_time.seconds;
], libc_cv_mach_task_creation_time=yes, libc_cv_mach_task_creation_time=no)])
if test $libc_cv_mach_task_creation_time = no; then
DEFINES="$DEFINES -DNO_CREATION_TIME=1"
fi
dnl
dnl The Darwin variant no longer has <mach/mach.defs>
dnl but instead has several constituent .defs files.
dnl In this scenario we will presume there is a <mach/mach_interface.h>
dnl that contains an #include for each constituent header file,
dnl but we don't do a check for that here because in a bare
dnl environment the compile against those headers will fail.
dnl
mach_interface_list=
for ifc in mach mach4 \
clock clock_priv host_priv host_security ledger lock_set \
processor processor_set task thread_act vm_map \
memory_object memory_object_default default_pager \
; do
AC_CHECK_HEADER(mach/${ifc}.defs, [dnl
mach_interface_list="$mach_interface_list $ifc"])
done
if test "x$mach_interface_list" = x; then
AC_MSG_ERROR([what manner of Mach is this?])
fi
AC_CACHE_CHECK(for host_page_size in mach_host.defs,
libc_cv_mach_host_page_size, [dnl
AC_EGREP_HEADER(host_page_size, mach/mach_host.defs,
libc_cv_mach_host_page_size=yes,
libc_cv_mach_host_page_size=no)])
if test $libc_cv_mach_host_page_size = yes; then
AC_DEFINE([HAVE_HOST_PAGE_SIZE])
fi
AC_CHECK_HEADER(mach/machine/ndr_def.h, [dnl
DEFINES="$DEFINES -DNDR_DEF_HEADER='<mach/machine/ndr_def.h>'"], [dnl
AC_CHECK_HEADER(machine/ndr_def.h, [dnl
DEFINES="$DEFINES -DNDR_DEF_HEADER='<machine/ndr_def.h>'"])])