2002-02-07 04:52:18 +01:00
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sinclude(./aclocal.m4)dnl Autoconf lossage.
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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2002-02-17 08:19:11 +01:00
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### Sanity checks for Mach header installation
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AC_CHECK_HEADER(mach/mach_types.h,, [AC_MSG_ERROR([cannot find Mach headers])])
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AC_CHECK_HEADER(mach/mach_types.defs,, [dnl
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AC_MSG_ERROR([cannot find Mach .defs files])])
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2002-02-07 04:52:18 +01:00
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dnl
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dnl mach_TYPE_CHECK(foo_t, bar_t)
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dnl
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dnl Check if foo_t is defined by <mach/mach_types.h>.
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dnl If not, compile with -Dfoo_t=bar_t.
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dnl
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AC_DEFUN([mach_TYPE_CHECK], [dnl
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AC_CACHE_CHECK(for $1 in mach/mach_types.h, libc_cv_mach_$1,
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AC_TRY_COMPILE([#include <mach/mach_types.h>], [extern $1 foo;],
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libc_cv_mach_$1=$1, libc_cv_mach_$1=$2))
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if test [$]libc_cv_mach_$1 != $1; then
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DEFINES="$DEFINES -D$1=$2"
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fi])
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dnl
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dnl OSF Mach has renamed these typedefs for some reason.
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dnl
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mach_TYPE_CHECK(task_t, task_port_t)
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mach_TYPE_CHECK(thread_t, thread_port_t)
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2002-02-17 08:19:11 +01:00
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dnl
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dnl The creation_time field is a GNU Mach addition the other variants lack.
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dnl
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2002-02-07 04:52:18 +01:00
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AC_CACHE_CHECK(for creation_time in task_basic_info,
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libc_cv_mach_task_creation_time, [dnl
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AC_TRY_COMPILE([#include <mach/task_info.h>], [
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extern struct task_basic_info *i;
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long s = i->creation_time.seconds;
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], libc_cv_mach_task_creation_time=yes, libc_cv_mach_task_creation_time=no)])
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if test $libc_cv_mach_task_creation_time = no; then
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DEFINES="$DEFINES -DNO_CREATION_TIME=1"
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fi
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2002-02-17 08:19:11 +01:00
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dnl
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dnl The Darwin variant no longer has <mach/mach.defs>
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dnl but instead has several constituent .defs files.
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dnl In this scenario we will presume there is a <mach/mach_interface.h>
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dnl that contains an #include for each constituent header file,
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dnl but we don't do a check for that here because in a bare
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dnl environment the compile against those headers will fail.
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dnl
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mach_interface_list=
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for ifc in mach mach4 \
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clock_priv host_priv host_security ledger lock_set \
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processor processor_set task thread_act vm_map \
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memory_object memory_object_default default_pager \
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; do
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AC_CHECK_HEADER(mach/${ifc}.defs, [dnl
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mach_interface_list="$mach_interface_list $ifc"])
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done
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if test "x$mach_interface_list" = x; then
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AC_MSG_ERROR([what manner of Mach is this?])
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fi
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2002-02-17 08:30:04 +01:00
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AC_CACHE_CHECK(for host_page_size in mach_host.defs,
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libc_cv_mach_host_page_size, [dnl
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AC_EGREP_HEADER(host_page_size, mach/mach_host.defs,
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libc_cv_mach_host_page_size=yes,
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libc_cv_mach_host_page_size=no)])
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if test $libc_cv_mach_host_page_size = yes; then
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AC_DEFINE([HAVE_HOST_PAGE_SIZE])
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fi
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