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Diffstat (limited to 'sysdeps/mach/configure.ac')
| -rw-r--r-- | sysdeps/mach/configure.ac | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sysdeps/mach/configure.ac b/sysdeps/mach/configure.ac new file mode 100644 index 0000000000..db85f47eae --- /dev/null +++ b/sysdeps/mach/configure.ac @@ -0,0 +1,126 @@ +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]) + +### 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 $libc_cv_mach_task_creation_time = no; then + AC_MSG_ERROR([you need Mach headers supporting task_info.creation_time]) +fi + +dnl +dnl The Darwin variant no longer has <mach/mach.defs> +dnl but instead has several constituent .defs files. +dnl In this scenario we will presume there is a <mach/mach_interface.h> +dnl that contains an #include for each constituent header file, +dnl but we don't do a check for that here because in a bare +dnl environment the compile against those headers will fail. +dnl +mach_interface_list= +for ifc in mach mach4 \ + clock clock_priv host_priv host_security ledger lock_set \ + processor processor_set task thread_act vm_map \ + memory_object memory_object_default default_pager \ + i386/mach_i386 \ + ; do + AC_CHECK_HEADER(mach/${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 |