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dnl Autoconf configure script for GDB, the GNU debugger.

dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002

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 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_PREREQ(2.13)dnl

AC_INIT(main.c)

AC_CONFIG_HEADER(config.h:config.in)

AM_MAINTAINER_MODE

AC_PROG_CC

AC_AIX

AC_ISC_POSIX

AM_PROG_CC_STDC

AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)

AC_CANONICAL_SYSTEM

dnl Set up for gettext.  PACKAGE is used when we call bindtextdomain.

ALL_LINGUAS=

CY_GNU_GETTEXT

AC_DEFINE(PACKAGE, "gdb", [Name of this package. ])

dnl List of object files added by configure.

CONFIG_OBS=

CONFIG_LIB_OBS=

CONFIG_DEPS=

CONFIG_SRCS=

CONFIG_INITS=

ENABLE_CFLAGS=

CONFIG_ALL=

CONFIG_CLEAN=

CONFIG_INSTALL=

CONFIG_UNINSTALL=

SUBDIRS="doc testsuite nlm"

configdirs="doc testsuite"

AC_ARG_ENABLE(multi-ice,

[  --enable-multi-ice            Build the multi-ice-gdb-server],

[case "${enableval}" in

    yes ) enable_multi_ice="yes" ;;

    no)  enable_multi_ice="no" ;;

    *) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;;

  esac

])

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

  configdirs="${configdirs} multi-ice"

fi

dnl

changequote(,)dnl

. ${srcdir}/configure.host

. ${srcdir}/configure.tgt

targ=${target} ; . ${srcdir}/../bfd/config.bfd

dnl

changequote([,])dnl

dnl use BFD to determine the default architecture and byte order

dnl (bfd_vec->byteorder provides the latter).

targ=${target}

. ${srcdir}/../bfd/config.bfd

dnl We only want the first arch, if there is more than one.

targ_archs=`echo ${targ_archs} | sed -e 's/ .*//;'`

if test x"${targ_archs}" != x ; then

    AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, ${targ_archs})

fi

if test x"${targ_defvec}" != x ; then

    AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec})

fi

AC_PROG_AWK

AC_PROG_INSTALL

AC_CHECK_TOOL(AR, ar)

AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_CHECK_TOOL(DLLTOOL, dlltool)

AC_CHECK_TOOL(WINDRES, windres)

AC_PROG_YACC

dnl MiG is needed for the Hurd.

AC_CHECK_TOOL(MIG, mig)

AC_ARG_PROGRAM

AC_TYPE_SIGNAL

AC_HEADER_STDC

dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between 

dnl and  that causes AC_CHECK_HEADERS to think  doesn't

dnl exist.

case $host_os in solaris2.7 | solaris2.8) case "$GCC" in yes)

    AC_DEFINE(_MSE_INT_H)

esac; esac

AC_CHECK_HEADERS(ctype.h nlist.h link.h thread_db.h proc_service.h \

        memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \

        string.h sys/procfs.h sys/proc.h sys/ptrace.h sys/reg.h stdint.h \

        term.h termio.h termios.h unistd.h wait.h sys/wait.h \

        wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \

        time.h sys/file.h sys/ioctl.h sys/user.h sys/fault.h sys/syscall.h \

        dirent.h sys/ndir.h sys/dir.h ndir.h sys/filio.h \

        curses.h ncurses.h \

        poll.h sys/poll.h)

AC_HEADER_STAT

AC_C_CONST

AC_C_INLINE

AC_CHECK_FUNCS(bcopy btowc bzero canonicalize_file_name isascii poll \

        realpath sbrk setpgid setpgrp sigaction sigprocmask sigsetmask )

AC_FUNC_ALLOCA

AC_FUNC_VFORK

dnl AC_FUNC_SETPGRP does not work when cross compiling

dnl Instead, assume we will have a prototype for setpgrp if cross compiling.

if test "$cross_compiling" = no; then

  AC_FUNC_SETPGRP

else

  AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,

    [AC_TRY_COMPILE([

#include 

], [

  if (setpgrp(1,1) == -1)

    exit (0);

  else

    exit (1);

], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])

if test $ac_cv_func_setpgrp_void = yes; then

  AC_DEFINE(SETPGRP_VOID, 1)

fi

fi

# Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't do

# since sigsetjmp might only be defined as a macro.

AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,

[AC_TRY_COMPILE([

#include 

], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],

gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])

if test $gdb_cv_func_sigsetjmp = yes; then

  AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])

fi

# See if  supports the %fs and %gs i386 segment registers.

# Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.

AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs,

[AC_TRY_COMPILE([#include ], [struct reg r; r.r_fs;],

gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)])

if test $gdb_cv_struct_reg_r_fs = yes; then

  AC_DEFINE(HAVE_STRUCT_REG_R_FS)

fi

AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs,

[AC_TRY_COMPILE([#include ], [struct reg r; r.r_gs;],

gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)])

if test $gdb_cv_struct_reg_r_gs = yes; then

  AC_DEFINE(HAVE_STRUCT_REG_R_GS)

fi

# See if  provides the PTRACE_GETREGS request.

AC_MSG_CHECKING(for PTRACE_GETREGS)

AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,

[AC_TRY_COMPILE([#include ],

                [PTRACE_GETREGS;],

                [gdb_cv_have_ptrace_getregs=yes],

                [gdb_cv_have_ptrace_getregs=no])])

AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)

if test $gdb_cv_have_ptrace_getregs = yes; then

  AC_DEFINE(HAVE_PTRACE_GETREGS)

fi

# See if  provides the PTRACE_GETFPXREGS request.

AC_MSG_CHECKING(for PTRACE_GETFPXREGS)

AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,

[AC_TRY_COMPILE([#include ],

                [PTRACE_GETFPXREGS;],

                [gdb_cv_have_ptrace_getfpxregs=yes],

                [gdb_cv_have_ptrace_getfpxregs=no])])

AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)

if test $gdb_cv_have_ptrace_getfpxregs = yes; then

  AC_DEFINE(HAVE_PTRACE_GETFPXREGS)

fi

# See if  provides the PT_GETDBREGS request.

AC_MSG_CHECKING(for PT_GETDBREGS)

AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,

[AC_TRY_COMPILE([#include 

#include ],

                [PT_GETDBREGS;],

                [gdb_cv_have_pt_getdbregs=yes],

                [gdb_cv_have_pt_getdbregs=no])])

AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)

if test $gdb_cv_have_pt_getdbregs = yes; then

  AC_DEFINE(HAVE_PT_GETDBREGS)

fi

# See if  provides the PT_GETXMMREGS request.

AC_MSG_CHECKING(for PT_GETXMMREGS)

AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,

[AC_TRY_COMPILE([#include 

#include ],

                [PT_GETXMMREGS;],

                [gdb_cv_have_pt_getxmmregs=yes],

                [gdb_cv_have_pt_getxmmregs=no])])

AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)

if test $gdb_cv_have_pt_getxmmregs = yes; then

  AC_DEFINE(HAVE_PT_GETXMMREGS)

fi

AC_CHECK_LIB(socket, socketpair)

AC_CHECK_FUNCS(socketpair)

BFD_NEED_DECLARATION(malloc)

BFD_NEED_DECLARATION(realloc)

BFD_NEED_DECLARATION(free)

BFD_NEED_DECLARATION(strerror)

BFD_NEED_DECLARATION(strdup)

BFD_NEED_DECLARATION(strstr)

BFD_NEED_DECLARATION(canonicalize_file_name)

# The following save_state_t checkery is only necessary for HPUX

# versions earlier than 10.20.  When those fade from memory, this

# could be expunged. --jsm 1999-03-22

AC_MSG_CHECKING(for HPUX save_state structure)

AC_EGREP_HEADER(save_state_t, machine/save_state.h,

                gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no)

AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes,

                gdb_cv_hpux_sswide=no)

if test $gdb_cv_hpux_savestate = yes

then

  AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1)

fi

if test $gdb_cv_hpux_sswide = yes

then

  AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1)

fi

AC_MSG_RESULT($gdb_cv_hpux_sswide)

# If we are configured native on GNU/Linux, work around problems with

# sys/procfs.h

# Also detect which type of /proc is in use, such as for Unixware or Solaris.

if test "${target}" = "${host}"; then

  case "${host}" in

  i[[3456]]86-*-linux*)

        AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)

        AC_DEFINE(sys_quotactl)

        ;;

  ia64-*-aix*)

      AC_DEFINE(NEW_PROC_API)

      ;;

  *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)

      AC_DEFINE(NEW_PROC_API)

      ;;

  *-*-solaris2.[[678]])

      AC_DEFINE(NEW_PROC_API)

      ;;

  esac

fi

if test "$ac_cv_header_sys_procfs_h" = yes; then

  BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)

  BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)

  BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)

  BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)

  BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)

  BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)

  BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)

  BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)

  BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_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 

       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

  dnl Check for PIOCSET ioctl entry

  AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)

  AC_CACHE_VAL(gdb_cv_have_procfs_piocset,

  [AC_TRY_COMPILE([#include 

#include 

#include 

], [

    int dummy;;

    dummy = ioctl(0, PIOCSET, &dummy);

  ],

  gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])

  AC_MSG_RESULT($gdb_cv_have_procfs_piocset)

  if test $gdb_cv_have_procfs_piocset = yes; then

    AC_DEFINE(HAVE_PROCFS_PIOCSET)

  fi

fi

dnl For native ports (host == target), check to see what kind of

dnl legacy link.h support is needed.  (See solib-legacy.c.)

if test ${host} = ${target} ; then

  dnl Check for struct link_map with l_ members which are indicative

  dnl of SVR4-like shared libraries

  AC_MSG_CHECKING(for member l_addr in struct link_map)

  AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,

    [AC_TRY_COMPILE([#include ],

                    [struct link_map lm; (void) lm.l_addr;],

                    gdb_cv_have_struct_link_map_with_l_members=yes,

                    gdb_cv_have_struct_link_map_with_l_members=no)])

  AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)

  if test $gdb_cv_have_struct_link_map_with_l_members = yes; then

    AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS)

  fi

  dnl Check for struct link_map with lm_ members which are indicative

  dnl of SunOS-like shared libraries

  AC_MSG_CHECKING(for member lm_addr in struct link_map)

  AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,

    [AC_TRY_COMPILE([#include 

#include ],

                    [struct link_map lm; (void) lm.lm_addr;],

                    gdb_cv_have_struct_link_map_with_lm_members=yes,

                    gdb_cv_have_struct_link_map_with_lm_members=no)])

  AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)

  if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then

    AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS)

  fi

  dnl Check for struct so_map with som_ members which are found on

  dnl some *BSD systems.

  AC_MSG_CHECKING(for member som_addr in struct so_map)

  AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,

    [AC_TRY_COMPILE([#include 

#ifdef HAVE_NLIST_H

#include 

#endif

#include ],

                    [struct so_map lm; (void) lm.som_addr;],

                    gdb_cv_have_struct_so_map_with_som_members=yes,

                    gdb_cv_have_struct_so_map_with_som_members=no)])

  AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)

  if test $gdb_cv_have_struct_so_map_with_som_members = yes; then

    AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS)

  fi

  dnl Check for struct link_map32 type, which allows a 64-bit Solaris

  dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.

  AC_MSG_CHECKING(for struct link_map32 in sys/link.h)

  AC_CACHE_VAL(gdb_cv_have_struct_link_map32,

    [AC_TRY_COMPILE([#define _SYSCALL32

#include ], [struct link_map32 l;],

     gdb_cv_have_struct_link_map32=yes,

     gdb_cv_have_struct_link_map32=no)])

  AC_MSG_RESULT($gdb_cv_have_struct_link_map32)

  if test $gdb_cv_have_struct_link_map32 = yes; then

    AC_DEFINE(HAVE_STRUCT_LINK_MAP32)

    AC_DEFINE(_SYSCALL32)

  fi

fi

dnl See if host has libm.  This is usually needed by simulators.

AC_CHECK_LIB(m, main)

dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6.

dnl

dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw

dnl under Solaris 2.6 because it is some funky empty library.

dnl So only link in libw if we have to.

AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype))

dnl See if compiler supports "long long" type.

AC_MSG_CHECKING(for long long support in compiler)

AC_CACHE_VAL(gdb_cv_c_long_long,

[AC_TRY_COMPILE(, [

  extern long long foo;

  switch (foo & 2) { case 0: return 1; }

],

gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])

AC_MSG_RESULT($gdb_cv_c_long_long)

if test $gdb_cv_c_long_long = yes; then

  AC_DEFINE(CC_HAS_LONG_LONG)

fi

dnl See if the compiler and runtime support printing long long

AC_MSG_CHECKING(for long long support in printf)

AC_CACHE_VAL(gdb_cv_printf_has_long_long,

[AC_TRY_RUN([

int main () {

  char buf[32];

  long long l = 0;

  l = (l << 16) + 0x0123;

  l = (l << 16) + 0x4567;

  l = (l << 16) + 0x89ab;

  l = (l << 16) + 0xcdef;

  sprintf (buf, "0x%016llx", l);

  return (strcmp ("0x0123456789abcdef", buf));

}],

gdb_cv_printf_has_long_long=yes,

gdb_cv_printf_has_long_long=no,

gdb_cv_printf_has_long_long=no)])

if test $gdb_cv_printf_has_long_long = yes; then

  AC_DEFINE(PRINTF_HAS_LONG_LONG)

fi

AC_MSG_RESULT($gdb_cv_printf_has_long_long)

dnl See if compiler supports "long double" type.  Can't use AC_C_LONG_DOUBLE

dnl because autoconf complains about cross-compilation issues.  However, this

dnl code uses the same variables as the macro for compatibility.

AC_MSG_CHECKING(for long double support in compiler)

AC_CACHE_VAL(ac_cv_c_long_double,

[AC_TRY_COMPILE(, [long double foo;],

ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])

AC_MSG_RESULT($ac_cv_c_long_double)

if test $ac_cv_c_long_double = yes; then

  AC_DEFINE(HAVE_LONG_DOUBLE)

fi

dnl See if the compiler and runtime support printing long doubles

AC_MSG_CHECKING(for long double support in printf)

AC_CACHE_VAL(gdb_cv_printf_has_long_double,

[AC_TRY_RUN([

int main () {

  char buf[16];

  long double f = 3.141592653;

  sprintf (buf, "%Lg", f);

  return (strncmp ("3.14159", buf, 7));

}],

gdb_cv_printf_has_long_double=yes,

gdb_cv_printf_has_long_double=no,

gdb_cv_printf_has_long_double=no)])

if test $gdb_cv_printf_has_long_double = yes; then

  AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)

fi

AC_MSG_RESULT($gdb_cv_printf_has_long_double)

dnl See if the compiler and runtime support scanning long doubles

AC_MSG_CHECKING(for long double support in scanf)

AC_CACHE_VAL(gdb_cv_scanf_has_long_double,

[AC_TRY_RUN([

int main () {

  char *buf = "3.141592653";

  long double f = 0;

  sscanf (buf, "%Lg", &f);

  return !(f > 3.14159 && f < 3.14160);

}],

gdb_cv_scanf_has_long_double=yes,

gdb_cv_scanf_has_long_double=no,

gdb_cv_scanf_has_long_double=no)])

if test $gdb_cv_scanf_has_long_double = yes; then

  AC_DEFINE(SCANF_HAS_LONG_DOUBLE)

fi

AC_MSG_RESULT($gdb_cv_scanf_has_long_double)

AC_FUNC_MMAP

case ${host_os} in

aix*)

  AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [

    SAVE_LDFLAGS=$LDFLAGS

    case $GCC in

    yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;

    *) gdb_cv_bigtoc=-bbigtoc ;;

    esac

    LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc

    AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])

  ])

  CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"

  ;;

esac

dnl For certain native configurations, we need to check whether thread

dnl support can be built in or not.

dnl

dnl Note that we only want this if we are both native (host == target),

dnl and not doing a canadian cross build (build == host).

if test ${build} = ${host} -a ${host} = ${target} ; then

   case ${host_os} in

   hpux*)

      AC_MSG_CHECKING(for HPUX/OSF thread support)

      if test -f /usr/include/dce/cma_config.h ; then

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

            AC_MSG_RESULT(yes)

            AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)

            CONFIG_LIB_OBS="${CONFIG_LIB_OBS} hpux-thread.o"

            CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"

         else

            AC_MSG_RESULT(no (suppressed because you are not using GCC))

         fi

      else

         AC_MSG_RESULT(no)

      fi

      ;;

   solaris*)

      AC_MSG_CHECKING(for Solaris thread debugging library)

      if test -f /usr/lib/libthread_db.so.1 ; then

         AC_MSG_RESULT(yes)

         AC_DEFINE(HAVE_THREAD_DB_LIB)

         CONFIG_LIB_OBS="${CONFIG_LIB_OBS} sol-thread.o"

         CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"

         AC_CHECK_LIB(dl, dlopen)

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

            # The GNU linker requires the -export-dynamic option to make

            # all symbols visible in the dynamic symbol table.

            hold_ldflags=$LDFLAGS

            AC_MSG_CHECKING(for the ld -export-dynamic flag)

            LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"

            AC_TRY_LINK(, [int i;], found=yes, found=no)

            LDFLAGS=$hold_ldflags

            AC_MSG_RESULT($found)

            if test $found = yes; then

               CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"

            fi

         fi

         # Sun randomly tweaked the prototypes in 

         # at one point.

         AC_MSG_CHECKING(if  is old)

         AC_CACHE_VAL(gdb_cv_proc_service_is_old,[

            AC_TRY_COMPILE([

                #include 

                ps_err_e ps_pdwrite

                    (struct ps_prochandle*, psaddr_t, const void*, size_t);

            ],, gdb_cv_proc_service_is_old=no,

                gdb_cv_proc_service_is_old=yes)

         ])

         AC_MSG_RESULT($gdb_cv_proc_service_is_old)

         if test $gdb_cv_proc_service_is_old = yes; then

            AC_DEFINE(PROC_SERVICE_IS_OLD)

         fi

      else

         AC_MSG_RESULT(no)

      fi

      ;;

   aix*)

      AC_MSG_CHECKING(for AiX thread debugging library)

      AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,

                   [AC_TRY_COMPILE([#include ],

                                   [#ifndef PTHDB_VERSION_3

                                    #error

                                    #endif],

                                   gdb_cv_have_aix_thread_debug=yes,

                                   gdb_cv_have_aix_thread_debug=no)])

      AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)

      if test $gdb_cv_have_aix_thread_debug = yes; then

         CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"

         CONFIG_LIB_OBS="${CONFIG_LIB_OBS} aix-thread.o"

         CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"

      fi

      ;;

   esac

   AC_SUBST(CONFIG_LDFLAGS)

fi

dnl linux-proc.c wants to use pread64, which may require special CFLAGS

dnl -D_BSD_SOURCE is normally assumed but we have to specify it because of

dnl -D_XOPEN_SOURCE=500.

if test $host = $target; then

  case $target in

    *-linux*)

      save_CFLAGS=$CFLAGS

      CFLAGS="$CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE"

      AC_TRY_LINK([#include ],

                  [pread64 (0, NULL, 0, 0);],

                  [ENABLE_CFLAGS="$ENABLE_CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE"

                   AC_DEFINE(HAVE_PREAD64)], [])

      CFLAGS=$save_CFLAGS

      ;;

  esac

fi

dnl The CLI cannot be disabled yet, but may be in the future

dnl Handle CLI sub-directory configury.

AC_ARG_ENABLE(gdbcli,

[  --enable-gdbcli            Enable GDB-CLI interface],

[

  case "${enableval}" in

    yes) enable_gdbcli=yes ;;

    "") enable_gdbcli=yes ;;

    no)

      AC_MSG_ERROR(The CLI cannot be disabled yet)

    ;;

    *)

      AC_MSG_ERROR(Bad value for --enable-gdbcli: ${enableval})

    ;;

  esac

],

[enable_gdbcli=yes])

case ${enable_gdbcli} in

  "yes" )

    if test -d "${srcdir}/cli" ; then

      CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_CLI_OBS)"

      CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_CLI_DEPS)"

      CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_CLI_SRCS)"

      CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_CLI_INITS)"

      ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_CLI_CFLAGS)"

      CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_CLI_ALL)"

      CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_CLI_CLEAN)"

      CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_CLI_INSTALL)"

      CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_CLI_UNINSTALL)"

    fi

    ;;

esac

dnl Handle optional features that can be enabled.

dnl Handle MI sub-directory configury.

AC_ARG_ENABLE(gdbmi,

[  --enable-gdbmi            Enable GDB-MI interface],

[

  case "${enable_gdbmi}" in

    yes | no) ;;

    "")  enable_gdbmi=yes ;;

    *)

      AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})

    ;;

  esac

],

[enable_gdbmi=yes])

case ${enable_gdbmi} in

  "yes" )

    if test -d "${srcdir}/mi" ; then

      CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)"

      CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)"

      CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_MI_SRCS)"

      CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)"

      ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)"

      CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)"

      CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)"

      CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)"

      CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)"

    fi

    ;;

esac

# Configure UI_OUT by default (before 5.2 it can be disabled)

# It must be configured if gdbmi is configured

UIOUT_CFLAGS=

AC_SUBST(UIOUT_CFLAGS)

AC_ARG_WITH(uiout,

[  --with-uiout          Use new uiout functions instead of *printf's],

[case "${withval}" in

  yes)  want_uiout=true ;;

  no)   if test $enable_gdbmi = yes; then

          AC_MSG_ERROR(uiout is needed for MI and cannot be disabled)

        else

           want_uiout=false

        fi ;;

  *)    AC_MSG_ERROR(bad value ${withval} for GDB with-uiout option) ;;

esac],

[want_uiout=true])dnl

if test $want_uiout = true; then

   UIOUT_CFLAGS="-DUI_OUT=1"

fi

AC_ARG_ENABLE(tui,

[  --enable-tui            Enable full-screen terminal user interface],

[

  case "${enable_tui}" in

    yes | no) ;;

    "")  enable_tui=yes ;;

    *)

      AC_MSG_ERROR(Bad value for --enable-tui: ${enableval})

    ;;

  esac

])

case ${enable_tui} in

  "yes" )

    if test -d "${srcdir}/tui" ; then

      CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_TUI_OBS)"

      CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_TUI_DEPS)"

      CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_TUI_SRCS)"

      CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_TUI_INITS)"

      ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_TUI_CFLAGS)"

      CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_TUI_ALL)"

      CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_TUI_CLEAN)"

      CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_TUI_INSTALL)"

      CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_TUI_UNINSTALL)"

    fi

    ;;

esac

AC_ARG_ENABLE(netrom,

[  --enable-netrom         Enable NetROM support],

[case "${enableval}" in

yes)    enable_netrom=yes ;;

no)     enable_netrom=no ;;

*)      AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;

esac])

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

        CONFIG_LIB_OBS="${CONFIG_LIB_OBS} remote-nrom.o"

        CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"

fi

# NOTE: Don't add -Wall or -Wunused, they both include

# -Wunused-parameter which reports bogus warnings.

# NOTE: If you add to this list, remember to update

# gdb/doc/gdbint.texinfo.

build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \

-Wformat -Wparentheses -Wpointer-arith -Wuninitialized"

# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs

# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value

# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual

# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes

# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls

# -Woverloaded-virtual -Winline -Werror"

AC_ARG_ENABLE(build-warnings,

[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],

[case "${enableval}" in

  yes)  ;;

  no)   build_warnings="-w";;

  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`

        build_warnings="${build_warnings} ${t}";;

  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`

        build_warnings="${t} ${build_warnings}";;

  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;

esac

if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then

  echo "Setting compiler warning flags = $build_warnings" 6>&1

fi])dnl

AC_ARG_ENABLE(gdb-build-warnings,

[  --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],

[case "${enableval}" in

  yes)  ;;

  no)   build_warnings="-w";;

  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`

        build_warnings="${build_warnings} ${t}";;

  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`

        build_warnings="${t} ${build_warnings}";;

  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;

esac

if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then

  echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1

fi])dnl

WARN_CFLAGS=""

WERROR_CFLAGS=""

if test "x${build_warnings}" != x -a "x$GCC" = xyes

then

    AC_MSG_CHECKING(compiler warning flags)

    # Separate out the -Werror flag as some files just cannot be

    # compiled with it enabled.

    for w in ${build_warnings}; do

        case $w in

        -Werr*) WERROR_CFLAGS=-Werror ;;

        *) # Check that GCC accepts it

            saved_CFLAGS="$CFLAGS"

            CFLAGS="$CFLAGS $w"

            AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)

            CFLAGS="$saved_CFLAGS"

        esac

    done

    AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS})

fi

AC_SUBST(WARN_CFLAGS)

AC_SUBST(WERROR_CFLAGS)

MMALLOC_CFLAGS=

MMALLOC=

AC_SUBST(MMALLOC_CFLAGS)

AC_SUBST(MMALLOC)

AC_ARG_WITH(mmalloc,

[  --with-mmalloc          Use memory mapped malloc package],

[case "${withval}" in

  yes)  want_mmalloc=true ;;

  no)   want_mmalloc=false;;

  *)    AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;;

esac],[want_mmalloc=false])dnl

if test x$want_mmalloc = xtrue; then

   AC_DEFINE(USE_MMALLOC)

   AC_DEFINE(MMCHECK_FORCE)

   MMALLOC_CFLAGS="-I$srcdir/../mmalloc"

   MMALLOC='../mmalloc/libmmalloc.a'

fi

AC_ARG_WITH(included-regex,

[  --with-included-regex          Use included regex],

[case "${withval}" in

  yes)  want_included_regex=true ;;

  no)   want_included_regex=false;;

  *)    AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;;

esac],[want_included_regex=true])dnl

if test $want_included_regex = false; then

  AC_MSG_CHECKING(for GNU regex)

  AC_CACHE_VAL(gdb_cv_have_gnu_regex,

[AC_TRY_COMPILE([#include 

#include 

#include ],

[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2

#error No valid GNU regex.

#endif

],

                [gdb_cv_have_gnu_regex=yes],

                [gdb_cv_have_gnu_regex=no])])

  AC_MSG_RESULT($gdb_cv_have_gnu_regex)

  if test $gdb_cv_have_gnu_regex = no; then

        want_included_regex=true

  fi

fi

if test x${want_included_regex} = xtrue; then

    REGEX="gnu-regex.o"

    AC_DEFINE(USE_INCLUDED_REGEX)

fi

AC_SUBST(REGEX)

# In the Cygwin environment, we need some additional flags.

AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,

[AC_EGREP_CPP(lose, [

#if defined (__CYGWIN__) || defined (__CYGWIN32__)

lose

#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])

dnl Figure out which of the many generic ser-*.c files the _host_ supports.

SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o"

case ${host} in

  *go32* ) SER_HARDWIRE=ser-go32.o ;;

  *djgpp* ) SER_HARDWIRE=ser-go32.o ;;

esac

AC_SUBST(SER_HARDWIRE)

dnl Figure out which term library to use.

if test x$gdb_host = xgo32; then

  TERM_LIB=

else

if test x$gdb_cv_os_cygwin = xyes; then

  TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'

else

  TERM_LIB=

  AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,

    AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,

      AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,

        AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,

          AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,

            AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))

  if test "x$TERM_LIB" = x

  then

    AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)

  fi

fi

fi

AC_SUBST(TERM_LIB)

# libreadline needs libuser32.a in a cygwin environment

WIN32LIBS=

if test x$gdb_cv_os_cygwin = xyes; then

    WIN32LIBS="-luser32"

    case "${target}" in

        *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"

        ;;

    esac

fi

AC_SUBST(WIN32LIBS)

LIBGUI="../libgui/src/libgui.a"

GUI_CFLAGS_X="-I${srcdir}/../libgui/src"

AC_SUBST(LIBGUI)

AC_SUBST(GUI_CFLAGS_X)