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dnl Autoconf configure script for GDB server.

dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006

dnl 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 3 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, see .

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

AC_PREREQ(2.59)dnl

AC_INIT(server.c)

AC_CONFIG_HEADER(config.h:config.in)

AC_PROG_CC

AC_GNU_SOURCE

AC_CANONICAL_SYSTEM

AC_PROG_INSTALL

AC_ARG_PROGRAM

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 dnl

                 errno.h fcntl.h signal.h sys/file.h malloc.h dnl

                 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl

                 netinet/tcp.h arpa/inet.h sys/wait.h)

AC_CHECK_FUNCS(pread pwrite pread64)

have_errno=no

AC_MSG_CHECKING(for errno)

AC_TRY_LINK([

#if HAVE_ERRNO_H

#include 

#endif], [static int x; x = errno;],

  [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes])

if test $have_errno = no; then

AC_TRY_LINK([

#if HAVE_ERRNO_H

#include 

#endif], [extern int errno; static int x; x = errno;],

  [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],

  [AC_MSG_RESULT(no)])

fi

AC_CHECK_DECLS([strerror, perror])

AC_CHECK_TYPES(socklen_t, [], [],

[#include 

#include 

])

# Check for various supplementary target information (beyond the

# triplet) which might affect the choices in configure.srv.

case "${target}" in

  arm*-*-linux*)

    AC_CACHE_CHECK([if iWMMXt is selected], [gdb_cv_arm_iwmmxt],

                   [save_CPPFLAGS="$CPPFLAGS"

                   CPPFLAGS="$CPPFLAGS $CFLAGS"

                   AC_EGREP_CPP([got it], [

#ifdef __IWMMXT__

got it

#endif

                                ], [gdb_cv_arm_iwmmxt=yes],

                                [gdb_cv_arm_iwmmxt=no])

                   CPPFLAGS="$save_CPPFLAGS"])

    ;;

  powerpc*-*-*)

    AC_CACHE_CHECK([if Altivec is selected], [gdb_cv_ppc_altivec],

                   [save_CPPFLAGS="$CPPFLAGS"

                    CPPFLAGS="$CPPFLAGS $CFLAGS"

                    AC_EGREP_CPP([got it], [

#ifdef __ALTIVEC__

got it

#endif

                 ], [gdb_cv_ppc_altivec=yes],

                    [gdb_cv_ppc_altivec=no])

                    CPPFLAGS="$save_CPPFLAGS"])

    AC_CACHE_CHECK([if SPE is selected], [gdb_cv_ppc_spe],

                   [save_CPPFLAGS="$CPPFLAGS"

                    CPPFLAGS="$CPPFLAGS $CFLAGS"

                    AC_EGREP_CPP([got it], [

#ifdef __SPE__

got it

#endif

                 ], [gdb_cv_ppc_spe=yes],

                    [gdb_cv_ppc_spe=no])

                    CPPFLAGS="$save_CPPFLAGS"])

    ;;

esac

. ${srcdir}/configure.srv

if test "${srv_mingwce}" = "yes"; then

  LIBS="$LIBS -lws2"

elif test "${srv_mingw}" = "yes"; then

  LIBS="$LIBS -lwsock32"

fi

if test "${srv_mingw}" = "yes"; then

  AC_DEFINE(USE_WIN32API, 1,

            [Define if we should use the Windows API, instead of the

             POSIX API.  On Windows, we use the Windows API when

             building for MinGW, but the POSIX API when building

             for Cygwin.])

fi

if test "${srv_linux_usrregs}" = "yes"; then

  AC_DEFINE(HAVE_LINUX_USRREGS, 1,

            [Define if the target supports PTRACE_PEEKUSR for register ]

            [access.])

fi

if test "${srv_linux_regsets}" = "yes"; then

  AC_DEFINE(HAVE_LINUX_REGSETS, 1,

            [Define if the target supports register sets.])

  AC_MSG_CHECKING(for PTRACE_GETREGS)

  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs,

  [AC_TRY_COMPILE([#include ],

                  [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_PTRACE_GETREGS, 1,

              [Define if the target supports PTRACE_GETREGS for register ]

              [access.])

  fi

  AC_MSG_CHECKING(for PTRACE_GETFPXREGS)

  AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs,

  [AC_TRY_COMPILE([#include ],

                  [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, 1,

              [Define if the target supports PTRACE_GETFPXREGS for extended ]

              [register access.])

  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(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"

    SRV_CHECK_TLS_GET_ADDR

  fi

  old_LDFLAGS="$LDFLAGS"

  LDFLAGS="$LDFLAGS -rdynamic"

  AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])

  AC_SUBST(RDYNAMIC)

  LDFLAGS="$old_LDFLAGS"

fi

if test "$srv_linux_thread_db" = "yes"; then

  srv_thread_depfiles="thread-db.o proc-service.o"

  USE_THREAD_DB="-DUSE_THREAD_DB"

  AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,

  [AC_TRY_COMPILE([#include ], [TD_VERSION;],

                  [gdbsrv_cv_have_td_version=yes],

                  [gdbsrv_cv_have_td_version=no])])

  if test $gdbsrv_cv_have_td_version = yes; then

    AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.])

  fi

  if test "$srv_cv_tls_get_addr" = yes; then

    AC_DEFINE(HAVE_TD_THR_TLS_GET_ADDR, 1, [Define if td_thr_tls_get_addr is available.])

  fi

fi

if test "$srv_xmltarget" != ""; then

  srv_xmltarget="\$(XML_DIR)/$srv_xmltarget"

  srv_xmlbuiltin="xml-builtin.o"

  AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.])

  tmp_xmlfiles=$srv_xmlfiles

  srv_xmlfiles="target.xml"

  for f in $tmp_xmlfiles; do

    srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f"

  done

fi

GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles"

GDBSERVER_LIBS="$srv_libs"

AC_SUBST(GDBSERVER_DEPFILES)

AC_SUBST(GDBSERVER_LIBS)

AC_SUBST(USE_THREAD_DB)

AC_SUBST(srv_xmlbuiltin)

AC_SUBST(srv_xmlfiles)

AC_SUBST(srv_xmltarget)

AC_OUTPUT(Makefile,

[case x$CONFIG_HEADERS in

xconfig.h:config.in)

echo > stamp-h ;;

esac

])