| GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. |
| |
| AC_CHECK_TOOL(MIG, mig, MISSING) |
| if test "x$MIG" = xMISSING; then |
| AC_MSG_ERROR([cannot find required build tool mig]) |
| fi |
| LIBC_CONFIG_VAR([MIG], [$MIG]) |
| |
| if test -n "$sysheaders"; then |
| OLD_CPPFLAGS=$CPPFLAGS |
| CPPFLAGS="$CPPFLAGS $SYSINCLUDES" |
| fi |
| |
| ### 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 $libc_cv_mach_task_creation_time = no; then |
| AC_MSG_ERROR([you need Mach headers supporting task_info.creation_time]) |
| fi |
| |
| dnl |
| dnl The Darwin variant no longer has <mach/mach.defs> |
| dnl but instead has several constituent .defs files. |
| dnl In this scenario we will presume there is a <mach/mach_interface.h> |
| dnl that contains an #include for each constituent header file, |
| dnl but we don't do a check for that here because in a bare |
| dnl environment the compile against those headers will fail. |
| dnl |
| mach_interface_list= |
| for ifc in mach mach4 \ |
| clock clock_priv host_priv host_security ledger lock_set \ |
| processor processor_set task task_notify thread_act vm_map \ |
| memory_object memory_object_default default_pager \ |
| i386/mach_i386 \ |
| ; do |
| AC_CHECK_HEADER(mach/${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>'"],, -)], -) |
| |
| AC_CACHE_CHECK(for i386_io_perm_modify in mach_i386.defs, |
| libc_cv_mach_i386_ioports, [dnl |
| AC_EGREP_HEADER(i386_io_perm_modify, mach/i386/mach_i386.defs, |
| libc_cv_mach_i386_ioports=yes, |
| libc_cv_mach_i386_ioports=no)]) |
| if test $libc_cv_mach_i386_ioports = yes; then |
| AC_DEFINE([HAVE_I386_IO_PERM_MODIFY]) |
| fi |
| |
| AC_CACHE_CHECK(for i386_set_gdt in mach_i386.defs, |
| libc_cv_mach_i386_gdt, [dnl |
| AC_EGREP_HEADER(i386_set_gdt, mach/i386/mach_i386.defs, |
| libc_cv_mach_i386_gdt=yes, |
| libc_cv_mach_i386_gdt=no)]) |
| 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 $hurd_cv_mig_retcode = yes; then |
| AC_DEFINE(HAVE_MIG_RETCODE) |
| fi]) |
| |
| hurd_MIG_RETCODE |
| |
| if test -n "$sysheaders"; then |
| CPPFLAGS=$OLD_CPPFLAGS |
| fi |