Subversion Repositories or1k

dnl Autoconf configure script for GDB, the GNU debugger.

dnl Copyright 1995, 1996, 1997, 1998, 1999 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 gdb doesn't use gettext, but bfd does.  We call this to ensure we

dnl link with the correct libraries.

ALL_LINGUAS=

CY_GNU_GETTEXT

dnl List of object files added by configure.

CONFIG_OBS=

CONFIG_DEPS=

CONFIG_SRCS=

CONFIG_INITS=

ENABLE_CFLAGS=

CONFIG_ALL=

CONFIG_CLEAN=

CONFIG_INSTALL=

CONFIG_UNINSTALL=

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

dnl

changequote([,])dnl

AC_PROG_AWK

AC_PROG_INSTALL

AC_CHECK_TOOL(AR, ar)

AC_CHECK_TOOL(RANLIB, ranlib, :)

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

    AC_DEFINE(_MSE_INT_H)

esac; esac

AC_CHECK_HEADERS(ctype.h curses.h endian.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/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/ioctl.h sys/user.h)

AC_HEADER_STAT

AC_C_CONST

AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)

AC_FUNC_ALLOCA

dnl See if ptrace.h 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

dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.

dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own

dnl Linux kernel patch for SSE support.  That patch may or may not

dnl actually make it into the official distribution.  If you find that

dnl years have gone by since this configure test was added, and Linux

dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't

dnl make it, and you can delete this code.

AC_MSG_CHECKING(for PTRACE_GETXFPREGS)

AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,

[AC_TRY_COMPILE([#include ],

                [PTRACE_GETXFPREGS;],

                [gdb_cv_have_ptrace_getxfpregs=yes],

                [gdb_cv_have_ptrace_getxfpregs=no])])

AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)

if test $gdb_cv_have_ptrace_getxfpregs = yes; then

  AC_DEFINE(HAVE_PTRACE_GETXFPREGS)

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)

# 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)

        ;;

  *-*-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(lwpid_t)

  BFD_HAVE_SYS_PROCFS_TYPE(psaddr_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 lin-thread.c.

  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 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

dnl See if thread_db library is around for Solaris thread debugging.  Note that

dnl we must explicitly test for version 1 of the library because version 0

dnl (present on Solaris 2.4 or earlier) doesn't have the same API.

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

dnl 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_OBS="${CONFIG_OJS} 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_OBS="${CONFIG_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

      ;;

   esac

   AC_SUBST(CONFIG_LDFLAGS)

fi

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

])

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_SRS} \$(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

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" )

    AC_DEFINE(TUI)

    BUILD_TUI=all-tui

    TUI_LIBRARY=tui/libtui.a

  ;;

  * )

    BUILD_TUI=

    TUI_LIBRARY=

  ;;

esac

AC_SUBST(BUILD_TUI)

AC_SUBST(TUI_LIBRARY)

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_OBS="${CONFIG_OBS} remote-nrom.o"

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

fi

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

-Wformat -Wparentheses -Wpointer-arith"

build_warnings=""

# Not yet: -Wall -Wpointer-arith -Wstrict-prototypes

# -Wmissing-prototypes -Wmissing-declarations

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="${default_build_warnings} ${t}";;

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

        build_warnings="${t} ${default_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 warning flags = $build_warnings" 6>&1

fi])dnl

WARN_CFLAGS=""

WERROR_CFLAGS=""

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

then

  # 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 ;;

    *) WARN_CFLAGS="${WARN_CFLAGS} $w"

    esac

  done

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

REGEX="gnu-regex.o"

REGEX_CFLAGS="-DUSE_INCLUDED_REGEX"

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 = yes; then

    REGEX=

    REGEX_CFLAGS=

  fi

fi

AC_SUBST(REGEX)

AC_SUBST(REGEX_CFLAGS)

# 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])])

DLLTOOL=${DLLTOOL-dlltool}

WINDRES=${WINDRES-windres}

AC_SUBST(DLLTOOL)

AC_SUBST(WINDRES)

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)

AC_ARG_WITH(cpu,

[  --with-cpu=CPU          Set the default CPU variant to debug],

[case "${target}" in

  powerpc-* | powerpcle-* )

    ## It would be nice to keep this table in sync with the one in

    ## gcc/configure.

    case "${with_cpu}" in

      ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \

      | 604 | 750 )

        ## Those are all handled in variants in rs6000-tdep.c, so they're fine.

      ;;

      common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 )

        ## These are all RS6000 variants, as far as GDB is concerned.

        with_cpu=rs6000

      ;;

      603e | ec603e )

        with_cpu=603

      ;;

      604e )

        with_cpu=604

      ;;

      * )

        AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.)

        with_cpu=ppc-uisa

      ;;

    esac

  ;;

  * )

    AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets)

  ;;

esac

AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")

],)

AC_ARG_ENABLE(gdbtk,

[  --enable-gdbtk          Enable GDBTK GUI front end],

[case "${enableval}" in

    yes)

        case "$host" in

        *go32*)

            AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])

            enable_gdbtk=no ;;

        *windows*)

            AC_MSG_WARN([GDB does not support GDBtk on host ${host}.  GDBtk will be disabled.])

            enable_gdbtk=no ;;

        *)

            enable_gdbtk=yes ;;

        esac ;;

    no)

        enable_gdbtk=no  ;;

    *)

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

esac],

[

# Default is on for everything but go32 and Cygwin

case "$host" in

    *go32* | *windows*)

        ;;

    *)

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

            enable_gdbtk=yes

        fi

        ;;

esac

])

WIN32LDAPP=

AC_SUBST(WIN32LIBS)

AC_SUBST(WIN32LDAPP)

configdir="unix"

GDBTKLIBS=

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

    CY_AC_PATH_TCLCONFIG

    if test -z "${no_tcl}"; then

        CY_AC_LOAD_TCLCONFIG

        CY_AC_PATH_TKCONFIG

        # If $no_tk is nonempty, then we can't do Tk, and there is no

        # point to doing Tcl.

        if test -z "${no_tk}"; then

           CY_AC_LOAD_TKCONFIG

           CY_AC_PATH_TCLH

           CY_AC_PATH_TKH

           CY_AC_PATH_ITCLH

           CY_AC_PATH_ITKH

           CY_AC_PATH_TIXH

           # now look for Itcl library stuff

           CY_AC_PATH_ITCLCONFIG

           if test -z "${no_itcl}"; then

             CY_AC_LOAD_ITCLCONFIG

             case "${host}" in

             *-*-cygwin*)

                itcldir=../itcl/itcl/win/

                ;;

             *)

                itcldir=../itcl/itcl/unix/

                ;;

             esac

             ITCLLIB="${ITCL_BUILD_LIB_SPEC}"

             ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"

           fi

           # now look for Itk library stuff

           CY_AC_PATH_ITKCONFIG

           if test -z "${no_itcl}"; then

             CY_AC_LOAD_ITKCONFIG

             case "${host}" in

               *-*-cygwin*)

                 itkdir=../itcl/itk/win/

                 ;;

               *)

                 itkdir=../itcl/itk/unix/

                 ;;

               esac

             ITKLIB="${ITK_BUILD_LIB_SPEC}"

             ITK_DEPS="${itkdir}${ITK_LIB_FILE}"

           fi

           # now look for Tix library stuff

           CY_AC_PATH_TIXCONFIG

           if test -z "${no_tix}"; then

             CY_AC_LOAD_TIXCONFIG

             TIXLIB="${TIX_BUILD_LIB_SPEC}"

             TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"

           fi

           ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"

           # Tcl/Tk 8.1 require -fwritable strings.  I don't

           # know whether 8.2 will or not, but I bet it will.

           # I don't have to worry about 7.x since we don't support it.

           GDBTK_CFLAGS=""

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

               if test "$TCL_VERSION" != "8.0" ; then

                   GDBTK_CFLAGS="-fwritable-strings"

               fi

           fi

           # Include some libraries that Tcl and Tk want.

           TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'

           CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'

           # Yes, the ordering seems wrong here.  But it isn't.

           # TK_LIBS is the list of libraries that need to be linked

           # after Tcl/Tk.  Note that this isn't put into LIBS.  If it

           # were in LIBS then any link tests after this point would

           # try to include things like `$(LIBGUI)', which wouldn't work.

           GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"

           CONFIG_SRCS="${CONFIG_SRCS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"

           CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"

           CONFIG_INITS="${CONFIG_INITS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"

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

           CONFIG_CLEAN="${CONFIG_ALL} \$(SUBDIR_GDBTK_CLEAN)"

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

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

           if test x$gdb_cv_os_cygwin = xyes; then

              WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"

              WIN32LDAPP="-Wl,--subsystem,console"

              CONFIG_OBS="${CONFIG_OBS} gdbres.o"

           fi

        fi

    fi

fi

AC_SUBST(X_CFLAGS)

AC_SUBST(X_LDFLAGS)

AC_SUBST(X_LIBS)

AC_SUBST(ITCLLIB)

AC_SUBST(ITCL_DEPS)

AC_SUBST(ITKLIB)

AC_SUBST(ITK_DEPS)

AC_SUBST(TIXLIB)

AC_SUBST(TIX_DEPS)

AC_SUBST(GDBTKLIBS)

AC_SUBST(GDBTK_CFLAGS)

AC_PATH_X

# Unlike the sim directory, whether a simulator is linked is controlled by

# presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.

# This code just checks for a few cases where we'd like to ignore those

# definitions, even when they're present in the '.mt' file.  These cases

# are when --disable-sim is specified, or if the simulator directory is

# not part of the soruce tree.

#

AC_ARG_ENABLE(sim,

[  --enable-sim            Link gdb with simulator],

[echo "enable_sim = $enable_sim";

 echo "enableval = ${enableval}";

 case "${enableval}" in

  yes) ignore_sim=false ;;

  no)  ignore_sim=true ;;

  *)   ignore_sim=false ;;

 esac],

[ignore_sim=false])

if test ! -d "${srcdir}/../sim"; then

  ignore_sim=true

fi

if test "${ignore_sim}" = "true"; then

    IGNORE_SIM="SIM="

    IGNORE_SIM_OBS="SIM_OBS="

else

    IGNORE_SIM=""

    IGNORE_SIM_OBS=""

    AC_DEFINE(WITH_SIM)

fi

AC_SUBST(IGNORE_SIM)

AC_SUBST(IGNORE_SIM_OBS)

AC_SUBST(ENABLE_CFLAGS)

AC_SUBST(CONFIG_OBS)

AC_SUBST(CONFIG_DEPS)

AC_SUBST(CONFIG_SRCS)

AC_SUBST(CONFIG_INITS)

AC_SUBST(CONFIG_ALL)

AC_SUBST(CONFIG_CLEAN)

AC_SUBST(CONFIG_INSTALL)

AC_SUBST(CONFIG_UNINSTALL)

# Begin stuff to support --enable-shared

AC_ARG_ENABLE(shared,

[  --enable-shared         Use shared libraries],

[case "${enableval}" in

  yes) shared=true ;;

  no)  shared=false ;;

  *) shared=true ;;

esac])dnl

HLDFLAGS=

HLDENV=

# If we have shared libraries, try to set rpath reasonably.

if test "${shared}" = "true"; then

  case "${host}" in

  *-*-hpux*)

    HLDFLAGS='-Wl,+s,+b,$(libdir)'

    ;;

  *-*-irix5* | *-*-irix6*)

    HLDFLAGS='-Wl,-rpath,$(libdir)'

    ;;

  *-*-linux*aout*)

    ;;

  *-*-linux* | *-pc-linux-gnu*)

    HLDFLAGS='-Wl,-rpath,$(libdir)'

    ;;

  *-*-solaris*)

    HLDFLAGS='-R $(libdir)'

    ;;

  *-*-sysv4*)

    HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'

    ;;

  esac

fi

# On SunOS, if the linker supports the -rpath option, use it to

# prevent ../bfd and ../opcodes from being included in the run time

# search path.

case "${host}" in

  *-*-sunos*)

    echo 'main () { }' > conftest.c

    ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t

    if grep 'unrecognized' conftest.t >/dev/null 2>&1; then

      :

    elif grep 'No such file' conftest.t >/dev/null 2>&1; then

      :

    elif grep 'do not mix' conftest.t >/dev/null 2>&1; then

      :

    elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then

      :

    elif test "${shared}" = "true"; then

      HLDFLAGS='-Wl,-rpath=$(libdir)'

    else

      HLDFLAGS='-Wl,-rpath='

    fi

    rm -f conftest.t conftest.c conftest

    ;;

esac

AC_SUBST(HLDFLAGS)

AC_SUBST(HLDENV)

# End stuff to support --enable-shared

# target_subdir is used by the testsuite to find the target libraries.

target_subdir=

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

    target_subdir="${target_alias}/"

fi

AC_SUBST(target_subdir)

frags=

host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh

if test ! -f ${host_makefile_frag}; then

AC_MSG_ERROR("*** Gdb does not support host ${host}")

fi

frags="$frags $host_makefile_frag"

target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt

if test ! -f ${target_makefile_frag}; then

AC_MSG_ERROR("*** Gdb does not support target ${target}")

fi

frags="$frags $target_makefile_frag"

AC_SUBST_FILE(host_makefile_frag)

AC_SUBST_FILE(target_makefile_frag)