2004-06-21 Andrew Cagney <cagney@gnu.org>

[deliverable/binutils-gdb.git] / gdb / gdbserver / configure.in

dnl Autoconf configure script for GDB server.
dnl Copyright 2000, 2002 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

dnl Process this file with autoconf to produce a configure script.

AC_INIT(server.c)
AC_CONFIG_HEADER(config.h:config.in)

AC_PROG_CC

AC_CANONICAL_SYSTEM

AC_PROG_INSTALL

AC_HEADER_STDC

AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
		 proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
		 stdlib.h unistd.h)

BFD_NEED_DECLARATION(strerror)

. ${srcdir}/configure.srv

if test "${srv_linux_usrregs}" = "yes"; then
  AC_DEFINE(HAVE_LINUX_USRREGS)
fi

if test "${srv_linux_regsets}" = "yes"; then
  AC_MSG_CHECKING(for PTRACE_GETREGS)
  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,
  [AC_TRY_COMPILE([#include <sys/ptrace.h>],
		  [PTRACE_GETREGS;],
		  [gdbsrv_cv_have_ptrace_getregs=yes],
		  [gdbsrv_cv_have_ptrace_getregs=no])])
  AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs)
  if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
    AC_DEFINE(HAVE_LINUX_REGSETS)
  fi

  AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,
  [AC_TRY_COMPILE([#include <sys/ptrace.h>],
		  [PTRACE_GETFPXREGS;],
		  [gdbsrv_cv_have_ptrace_getfpxregs=yes],
		  [gdbsrv_cv_have_ptrace_getfpxregs=no])])
  AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs)
  if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
    AC_DEFINE(HAVE_PTRACE_GETFPXREGS)
  fi
fi

if test "$ac_cv_header_sys_procfs_h" = yes; then
  BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
  BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
  BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
  BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)

  dnl Check for broken prfpregset_t type

  dnl For Linux/i386, glibc 2.1.3 was released with a bogus
  dnl prfpregset_t type (it's a typedef for the pointer to a struct
  dnl instead of the struct itself).  We detect this here, and work
  dnl around it in gdb_proc_service.h.

  if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
    AC_MSG_CHECKING(whether prfpregset_t type is broken)
    AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
      [AC_TRY_RUN([#include <sys/procfs.h>
       int main ()
       {
         if (sizeof (prfpregset_t) == sizeof (void *))
           return 1;
         return 0;
       }],
       gdb_cv_prfpregset_t_broken=no,
       gdb_cv_prfpregset_t_broken=yes,
       gdb_cv_prfpregset_t_broken=yes)])
    AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
    if test $gdb_cv_prfpregset_t_broken = yes; then
      AC_DEFINE(PRFPREGSET_T_BROKEN)
    fi
  fi

  BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi

srv_thread_depfiles=
srv_libs=
USE_THREAD_DB=

if test "$srv_linux_thread_db" = "yes"; then
  SRV_CHECK_THREAD_DB
  if test "$srv_cv_thread_db" = no; then
    AC_WARN([Could not find libthread_db.])
    AC_WARN([Disabling thread support in gdbserver.])
    srv_linux_thread_db=no
  else
    srv_libs="$srv_cv_thread_db"
  fi
fi

if test "$srv_linux_thread_db" = "yes"; then
  srv_thread_depfiles="thread-db.o proc-service.o"
  USE_THREAD_DB="-DUSE_THREAD_DB"
fi

GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
GDBSERVER_LIBS="$srv_libs"

AC_SUBST(GDBSERVER_DEPFILES)
AC_SUBST(GDBSERVER_LIBS)
AC_SUBST(USE_THREAD_DB)

AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
])