]> Git Repo - binutils.git/blobdiff - gdb/configure.in
* maint.c: Fix dereference of pointer.
[binutils.git] / gdb / configure.in
index 831afcb020c456320d8265cad7d95079e11f0bbb..5c4f497d5aa0f7bfd209f9bdceda12f4459f96f6 100644 (file)
-configdirs="doc testsuite"
-srcname="GDB"
-srctrigger=main.c
-gdb_serial_driver=ser-unix.c
-
-# per-host:
-
-# Map host cpu into the config cpu subdirectory name.
-# The default is $host_cpu.
-
-case "${host_cpu}" in
-
-c[12])                 gdb_host_cpu=convex ;;
-hppa*)                 gdb_host_cpu=pa ;;
-i[34]86)               gdb_host_cpu=i386 ;;
-m68*)                  gdb_host_cpu=m68k ;;
-np1)                   gdb_host_cpu=gould ;;
-pyramid)               gdb_host_cpu=pyr ;;
-*)                     gdb_host_cpu=$host_cpu ;;
-
-esac
-
-# map host info into gdb names.
-
-case "${host}" in
-
-a29k-*-*)              gdb_host=ultra3 ;;
-
-arm-*-*)               gdb_host=arm ;;
-
-c[12]-*-*)             gdb_host=convex ;;
-
-hppa*-hp-bsd)          gdb_host=hppabsd ;;
-hppa*-hp-hpux)         gdb_host=hppahpux ;;
-
-i[34]86-ncr-*)         gdb_host=ncr3000 ;;
-i[34]86-sequent-*)     gdb_host=symmetry ;;
-
-i[34]86-*-bsd*)                gdb_host=i386bsd ;;
-i[34]86-*-go32)                gdb_host=go32
-                       gdb_serial_driver=ser-go32.c
-                       ;;
-i[34]86-*-linux)       gdb_host=linux ;;
-i[34]86-*-mach)                gdb_host=i386mach ;;
-i[34]86-*-sco3.2v4*)   gdb_host=i386sco4 ;;
-i[34]86-*-sco*)                gdb_host=i386sco ;;
-i[34]86-*-solaris*)    gdb_host=i386sol2 ;;
-i[34]86-*-sunos*)      gdb_host=sun386 ;;
-i[34]86-*-sysv3.2)     gdb_host=i386v32 ;;
-i[34]86-*-sysv4*)      gdb_host=i386v4 ;;
-i[34]86-*-sysv*)       gdb_host=i386v ;;
-
-m680[01]0-sun-sunos3*) gdb_host=sun2os3 ;;
-m680[01]0-sun-sunos4*) gdb_host=sun2os4 ;;
-m68030-sony-*)         gdb_host=news1000 ;;
-
-m68*-altos-*)          gdb_host=altos ;;
-m68*-apollo*-sysv*)    gdb_host=apollo68v ;;
-m68*-apollo*-bsd*)     gdb_host=apollo68b ;;
-m68*-att-*)            gdb_host=3b1 ;;
-m68*-cbm-sysv4*)       gdb_host=amix ;;
-m68*-hp-bsd)           gdb_host=hp300bsd ;;
-m68*-hp-hpux)          gdb_host=hp300hpux ;;
-m68*-isi-*)            gdb_host=isi ;;
-m68*-sony-*)           gdb_host=news ;;
-m68*-sun-sunos3*)      gdb_host=sun3os3 ;;
-m68*-sun-sunos4*)      gdb_host=sun3os4 ;;
-m68*-sun-*)            gdb_host=sun3os4 ;;
-
-m88k-motorola-*)       gdb_host=delta88 ;;
-m88k-*-*)              gdb_host=m88k ;;
-
-mips-dec-*)            gdb_host=decstation ;;
-mips-little-*)         gdb_host=littlemips ;;
-mips-sgi-irix3)                gdb_host=irix3 ;;
-mips-sgi-irix4*)       gdb_host=irix4 ;;
-mips-sony-*)           gdb_host=bigmips ;;
-
-none-*-*)              gdb_host=none ;;
-
-np1-*-*)               gdb_host=np1 ;;
-
-ns32k-umax-*)          gdb_host=umax ;;
-ns32k-utek-sysv)       gdb_host=merlin ;;
-
-pn-*-*)                        gdb_host=pn ;;
-
-pyramid-*-*)           gdb_host=pyramid ;;
-
-romp-*-*)              gdb_host=rtbsd ;;
-
-rs6000-*-*)            gdb_host=rs6000 ;;
-
-sparc-*-solaris2*)     gdb_host=sun4sol2 ;;
-sparc-*-sunos4*)       gdb_host=sun4os4 ;;
-sparc-*-*)             gdb_host=sun4os4 ;;
+dnl Autoconf configure script for GDB, the GNU debugger.
+dnl Copyright 1995, 1996 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(2.5)dnl
+AC_INIT(main.c)
+AC_CONFIG_HEADER(config.h:config.in)
+
+AC_PROG_CC
+AC_AIX
+AC_MINIX
+AC_ISC_POSIX
+
+AC_CANONICAL_SYSTEM
+
+AC_PROG_INSTALL
+AC_CHECK_TOOL(AR, ar)
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+AC_PROG_YACC
+AC_PROG_AWK
+
+AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
+AC_ARG_PROGRAM
+
+AC_HEADER_STDC
+AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
+AC_HEADER_STAT
+
+AC_C_CONST
+
+AC_CHECK_FUNCS(setpgid sbrk select poll)
+
+dnl List of object files added by configuire.
+
+CONFIG_OBS=
+
+# If we are configured native on Linux, work around problems with sys/procfs.h
+if test "${target}" = "${host}"; then
+  case "${host}" in
+  i[3456]86-*-linux*)
+       AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
+       AC_DEFINE(sys_quotactl)
+       ;;
+  esac
+fi
 
-tahoe-*-*)             gdb_host=tahoe ;;
+AC_MSG_CHECKING([for gregset_t type])
+AC_CACHE_VAL(gdb_cv_have_gregset_t,
+[AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
+gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
+AC_MSG_RESULT($gdb_cv_have_gregset_t)
+if test $gdb_cv_have_gregset_t = yes; then
+  AC_DEFINE(HAVE_GREGSET_T)
+fi
 
-vax-*-bsd*)            gdb_host=vaxbsd ;;
-vax-*-ultrix2*)                gdb_host=vaxult2 ;;
-vax-*-ultrix*)         gdb_host=vaxult ;;
+AC_MSG_CHECKING([for fpregset_t type])
+AC_CACHE_VAL(gdb_cv_have_fpregset_t,
+[AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
+gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
+AC_MSG_RESULT($gdb_cv_have_fpregset_t)
+if test $gdb_cv_have_fpregset_t = yes; then
+  AC_DEFINE(HAVE_FPREGSET_T)
+fi
 
-esac
+dnl See if host has libm.  This is usually needed by simulators.
+AC_CHECK_LIB(m, main)
+
+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[16];
+  long long l = 0x12345;
+  sprintf (buf, "%llx", l);
+  return (strcmp ("12345", 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
 
-if [ ! -f ${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh ]; then
-       echo '***' "Gdb does not support host ${host}" 1>&2
-       exit 1
+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)
+
+AC_FUNC_MMAP
+
+BFD_NEED_DECLARATION(malloc)
+BFD_NEED_DECLARATION(realloc)
+BFD_NEED_DECLARATION(free)
+
+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 ${host_os} in
+       hpux*)
+               AC_MSG_CHECKING(for HPUX/OSF thread support)
+               if test -f /usr/include/dce/cma_config.h ; then
+                       AC_MSG_RESULT(yes)
+                       AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
+                       CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
+               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="${CONFIG_OBS} sol-thread.o"
+                       AC_CHECK_LIB(dl, dlopen)
+                       if test "$GCC" = "yes" ; then
+                               CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
+                       fi
+               else
+                       AC_MSG_RESULT(no)
+               fi
+               ;;
+       esac
+       AC_SUBST(CONFIG_LDFLAGS)
 fi
 
-#  We really shouldn't depend on there being a space after XM_FILE= ...
-hostfile=`awk '$1 == "XM_FILE=" { print $2 }' <${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh`
+dnl Handle optional features that can be enabled.
+ENABLE_CFLAGS=
 
-# per-target:
+AC_ARG_ENABLE(netrom,
+[  --enable-netrom ],
+[case "${enableval}" in
+yes)   enable_netrom=yes ;;
+no)    enable_netrom=no ;;
+*)     AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
+esac])
 
-# Map target cpu into the config cpu subdirectory name.
-# The default is $target_cpu.
+if test "${enable_netrom}" = "yes"; then
+       CONFIG_OBS="${CONFIG_OBS} remote-nrom.o" 
+fi
 
-case "${target_cpu}" in
+# start-sanitize-gm
+ENABLE_GM=
+
+AC_ARG_ENABLE(gm,
+[  --enable-gm ],
+[case "${enableval}" in
+yes)   CONFIG_OBS="${CONFIG_OBS} gmagic.o"
+       ENABLE_CFLAGS=-DGENERAL_MAGIC
+       ;;
+no)    ;;
+*)     AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
+esac])
+
+# end-sanitize-gm
+
+AC_ARG_ENABLE(sim-powerpc,
+[  --enable-sim-powerpc ],
+[case "${enableval}" in
+yes)   powerpc_sim=yes ;;
+no)    powerpc_sim=no ;;
+*)     AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;;
+esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi])
+
+# start-sanitize-gdbtk
+ENABLE_GDBTK=
+
+AC_ARG_ENABLE(gdbtk,
+[  --enable-gdbtk ],
+[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 ;;
+       *cygwin32* | *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 ${enableval} given for gdbtk option) ;;
+esac],
+[
+# Default is on for everything but go32 and cygwin32
+case "$host" in
+    *go32* | *cygwin32* | *windows*)
+       ;;
+    *)
+       enable_gdbtk=yes ;;
+    esac
+])
+
+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
+
+          ENABLE_GDBTK=1
+
+          # Include some libraries that Tcl and Tk want.
+          TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)'
+          LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
+          CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
+       fi
+    fi
+fi
 
-c[12])                 gdb_target_cpu=convex ;;
-hppa*)                 gdb_target_cpu=pa ;;
-i[34]86)               gdb_target_cpu=i386 ;;
-m68*)                  gdb_target_cpu=m68k ;;
-np1)                   gdb_target_cpu=gould ;;
-pn)                    gdb_target_cpu=gould ;;
-pyramid)               gdb_target_cpu=pyr ;;
-sparc*)                        gdb_target_cpu=sparc ;;
-*)                     gdb_target_cpu=$target_cpu ;;
+AC_SUBST(ENABLE_GDBTK)
+AC_SUBST(X_CFLAGS)
+AC_SUBST(X_LDFLAGS)
+AC_SUBST(X_LIBS)
+# end-sanitize-gdbtk
+
+AC_SUBST(ENABLE_CFLAGS)
+
+AC_SUBST(CONFIG_OBS)
+
+# Begin stuff to support --enable-shared
+AC_ARG_ENABLE(shared,
+[  --enable-shared         use shared libraries],
+[case "${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)
 
-# map target info into gdb names.
-
-case "${target}" in
-
-a29k-*-aout)           gdb_target=a29k ;;
-a29k-*-coff)           gdb_target=a29k ;;
-a29k-*-elf)            gdb_target=a29k ;;
-a29k-*-ebmon)          gdb_target=a29k ;;
-a29k-*-kern)           gdb_target=a29k-kern ;;
-a29k-*-none)           gdb_target=a29k ;;
-a29k-*-sym1)           gdb_target=ultra3 ;;
-a29k-*-udi)            gdb_target=a29k-udi ;;
-
-arm-*-*)               gdb_target=arm ;;
-
-c1-*-*)                        gdb_target=convex ;;
-c2-*-*)                        gdb_target=convex ;;
-
-h8300-*-*)             gdb_target=h8300hms ;;
-h8500-*-*)             gdb_target=h8500hms ;;
-
-sh-*-*)                        gdb_target=sh ;;
-
-hppa*-*-bsd)           gdb_target=hppabsd ;;
-hppa*-*-hpux)          gdb_target=hppahpux ;;
-
-i[34]86-sequent-*)     gdb_target=symmetry ;;
-i[34]86-ncr-*)         gdb_target=ncr3000 ;;
-
-i[34]86-*-aout)                gdb_target=i386aout ;;
-i[34]86-*-coff)                gdb_target=i386v ;;
-i[34]86-*-elf)         gdb_target=i386v ;;
-
-i[34]86-*-bsd*)                gdb_target=i386bsd ;;
-i[34]86-*-go32)                gdb_target=i386aout ;;
-i[34]86-*-solaris*)    gdb_target=i386sol2 ;;
-i[34]86-*-sunos*)      gdb_target=sun386 ;;
-i[34]86-*-sysv4*)      gdb_target=i386v4 ;;
-i[34]86-*-sco*)                gdb_target=i386v ;;
-i[34]86-*-sysv*)       gdb_target=i386v ;;
-i[34]86-*-linux)       gdb_target=linux ;;
-
-i960-*-bout)           gdb_target=vxworks960 ;;
-i960-*-coff)           gdb_target=nindy960 ;;
-i960-*-elf)            gdb_target=nindy960 ;;
-
-i960-*-nindy)          gdb_target=nindy960 ;;
-i960-*-vxworks)                gdb_target=vxworks960 ;;
-
-m68000-*-aout)         gdb_target=m68k-nofp ;;
-m68000-*-coff)         gdb_target=m68k-nofp ;;
-m68000-*-elf)          gdb_target=m68k-nofp ;;
-m68000-*-sunos3*)      gdb_target=sun2os3 ;;
-m68000-*-sunos4*)      gdb_target=sun2os4 ;;
-
-m68*-cbm-sysv4*)       gdb_target=amix ;;
-m68*-hp-bsd)           gdb_target=hp300bsd ;;
-m68*-hp-hpux)          gdb_target=hp300hpux ;;
-
-m68*-altos-*)          gdb_target=altos ;;
-m68*-att-*)            gdb_target=3b1 ;;
-m68*-ericsson-*)       gdb_target=es1800 ;;
-m68*-isi-*)            gdb_target=isi ;;
-m68*-netx-*)           gdb_target=vxworks68 ;;
-m68*-sony-*)           gdb_target=news ;;
-m68*-tandem-*)         gdb_target=st2000 ;;
-
-m68*-*-aout)           gdb_target=m68k-fp ;;
-m68*-*-coff)           gdb_target=m68k-fp ;;
-m68*-*-elf)            gdb_target=m68k-fp ;;
-m68*-*-os68k)          gdb_target=os68k ;;
-m68*-*-sunos3*)                gdb_target=sun3os3 ;;
-m68*-*-sunos4*)                gdb_target=sun3os4 ;;
-m68*-*-vxworks*)       gdb_target=vxworks68 ;;
-
-m88k-motorola-*)       gdb_target=delta88 ;;
-m88k-*-*)              gdb_target=m88k ;;
-
-mips-big-*)            gdb_target=bigmips ;;
-mips-dec-*)            gdb_target=decstation ;;
-mips-idt-ecoff)                gdb_target=idt ;;
-mips-little-*)         gdb_target=littlemips ;;
-mips-sgi-*)            gdb_target=irix3 ;;
-mips-sony-*)           gdb_target=bigmips ;;
-
-none-*-*)              gdb_target=none ;;
-
-np1-*-*)               gdb_target=np1 ;;
-
-ns32k-utek-sysv)       gdb_target=merlin ;;
-ns32k-utek-*)          gdb_target=umax ;;
-
-pn-*-*)                        gdb_target=pn ;;
+configdirs="doc testsuite"
 
-pyramid-*-*)           gdb_target=pyramid ;;
+dnl
+changequote(,)dnl
 
-rs6000-*-*)            gdb_target=rs6000 ;;
+. ${srcdir}/configure.host
 
-sparc-*-aout)          gdb_target=sparc-em ;;
-sparc-*-coff)          gdb_target=sparc-em ;;
-sparc-*-elf)           gdb_target=sparc-em ;;
-sparc-*-solaris2*)     gdb_target=sun4sol2 ;;
-sparc-*-sunos4*)       gdb_target=sun4os4 ;;
-sparc-*-vxworks*)      gdb_target=sparc-em ;;
-sparc-*-*)             gdb_target=sun4os4 ;;
-sparclite*-*-*)                gdb_target=sparclite ;;
-
-tahoe-*-*)             gdb_target=tahoe ;;
-vax-*-*)               gdb_target=vax ;;
+. ${srcdir}/configure.tgt
 
-z8k-unknown-sim)       gdb_target=z8ksim ;;
-esac
+dnl
+changequote([,])dnl
 
-if [ ! -f ${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt ]; then
-       echo '***' "Gdb does not support target ${target}" 1>&2
-       exit 1
+frags=
+host_makefile_frag=${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"
 
-if [ -z "${removing}" ] ; then
-       cat ${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh ${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt | awk '$1 == "#msg" {
-               print substr($0,6)}'
+target_makefile_frag=${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
-
-#  We really shouldn't depend on there being a space after TM_FILE= ...
-targetfile=`awk '$1 == "TM_FILE=" { print $2 }' <${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt`
-
-if [ "${target}" = "${host}" ] ; then
-       nativefile=`awk '$1 == "NAT_FILE=" { print $2 }' <${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh`
+frags="$frags $target_makefile_frag"
+
+AC_SUBST_FILE(host_makefile_frag)
+AC_SUBST_FILE(target_makefile_frag)
+AC_SUBST(frags)
+
+changequote(,)dnl
+hostfile=`sed -n '
+s/XM_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
+' ${host_makefile_frag}`
+
+targetfile=`sed -n '
+s/TM_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
+' ${target_makefile_frag}`
+
+# these really aren't orthogonal true/false values of the same condition,
+# but shells are slow enough that I like to reuse the test conditions
+# whenever possible
+if test "${target}" = "${host}"; then
+nativefile=`sed -n '
+s/NAT_FILE[    ]*=[    ]*\([^  ]*\)/\1/p
+' ${host_makefile_frag}`
+else
+# GDBserver is only useful in a "native" enviroment
+configdirs=`echo $configdirs | sed 's/gdbserver//'`
 fi
-
-host_makefile_frag=config/${gdb_host_cpu}/${gdb_host}.mh
-target_makefile_frag=config/${gdb_target_cpu}/${gdb_target}.mt
+changequote([,])
 
 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
-# (NAT_FILE) is not set in the ?config/* file, we don't make the
+# (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
 # corresponding links.  But we have to remove the xm.h files and tm.h
 # files anyway, e.g. when switching from "configure host" to
 # "configure none".
@@ -273,60 +422,72 @@ target_makefile_frag=config/${gdb_target_cpu}/${gdb_target}.mt
 files=
 links=
 rm -f xm.h
-rm -f ser-hardwire.c
-if [ "${hostfile}" != "" ]; then
-       if [ -f ${srcdir}/config/${hostfile} ]; then
-               files="${files} config/${hostfile}"
-       else
-               files="${files} config/${gdb_host_cpu}/${hostfile}"
-       fi
-       links="${links} xm.h"
-
-       files="${files} ${gdb_serial_driver}"
-       links="${links} ser-hardwire.c"
+if test "${hostfile}" != ""; then
+files="${files} config/${gdb_host_cpu}/${hostfile}"
+links="${links} xm.h"
 fi
 rm -f tm.h
-if [ "${targetfile}" != "" ]; then
-       if [ -f ${srcdir}/config/${targetfile} ]; then
-               files="${files} config/${targetfile}"
-       else
-               files="${files} config/${gdb_target_cpu}/${targetfile}"
-       fi
-       links="${links} tm.h"
+if test "${targetfile}" != ""; then
+files="${files} config/${gdb_target_cpu}/${targetfile}"
+links="${links} tm.h"
 fi
 rm -f nm.h
-if [ "${nativefile}" != "" ]; then
-       if [ -f ${srcdir}/config/${nativefile} ]; then
-               files="${files} config/${nativefile}"
-       else
-               files="${files} config/${gdb_host_cpu}/${nativefile}"
-       fi
-       links="${links} nm.h"
-# temporary scaffolding until all hosts have the host/target/native
-# split in place.
+if test "${nativefile}" != ""; then
+files="${files} config/${gdb_host_cpu}/${nativefile}"
+links="${links} nm.h"
 else
-       files="${files} config/nm-trash.h"
-       links="${links} nm.h"
+# A cross-only configuration.
+files="${files} config/nm-empty.h"
+links="${links} nm.h"
 fi
+# start-sanitize-gdbtk
 
-if [ ${target_cpu} = "sparclite" ]; then
-       configdirs="${configdirs} sparclite"
+# Make it possible to use the GUI without doing a full install
+if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
+files="${files} gdbtk.tcl"
+links="${links} gdbtk.tcl"
+fi
+# end-sanitize-gdbtk
+
+AC_LINK_FILES($files, $links)
+
+AC_CONFIG_SUBDIRS($configdirs)
+AC_OUTPUT(Makefile, 
+[
+dnl Autoconf doesn't provide a mechanism for modifying definitions 
+dnl provided by makefile fragments.
+dnl
+if test "${nativefile}" = ""; then
+sed -e '/^NATDEPFILES[[        ]]*=[[  ]]*/s//# NATDEPFILES=/' \
+       < Makefile > Makefile.tem
+mv -f Makefile.tem Makefile
 fi
 
-# post-target:
+changequote(,)dnl
+sed -e '/^TM_FILE[     ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
+/^XM_FILE[     ]*=/s,^XM_FILE[         ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,
+/^NAT_FILE[    ]*=/s,^NAT_FILE[        ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
+mv -f Makefile.tmp Makefile
+changequote([,])dnl
 
 case ${srcdir} in
-  .)
-    ;;
-  *)
-    grep -s "source ${srcdir}/.gdbinit" .gdbinit 2>/dev/null || \
-      echo "source ${srcdir}/.gdbinit" >> .gdbinit
+.)
+;;
+*)
+grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
+echo "source ${srcdir}/.gdbinit" >> .gdbinit
 esac
 
-if [ "${nativefile}" = "" ] ; then
-       sed -e '/^NATDEPFILES= /s//# NATDEPFILES= /' \
-               < Makefile > Makefile.tem
-       mv -f Makefile.tem Makefile
-fi
+case x$CONFIG_HEADERS in
+xconfig.h:config.in)
+echo > stamp-h ;;
+esac
+],
+[
+gdb_host_cpu=$gdb_host_cpu
+gdb_target_cpu=$gdb_target_cpu
+nativefile=$nativefile
+])
+
+exit 0
 
-cat ${srcdir}/alldeps.mak ${srcdir}/depend >>Makefile
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