Cleanup USE_INCLUDED_REGEX. Move -D to acconfig.h.
[deliverable/binutils-gdb.git] / gdb / configure.in
index c9c3a546af6d915f7b1776897a1025075dcbc038..5810c47dc99c066fa1e0a831b8291db7f8095172 100644 (file)
@@ -19,7 +19,7 @@ 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(2.12.1)dnl
+AC_PREREQ(2.13)dnl
 AC_INIT(main.c)
 AC_CONFIG_HEADER(config.h:config.in)
 
@@ -41,9 +41,28 @@ 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
 
@@ -54,61 +73,149 @@ changequote(,)dnl
 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
 
-AC_CHECK_HEADERS(ctype.h curses.h endian.h libintl.h link.h \
+dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between <widec.h>
+dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> 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 \
+       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)
+       wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
+       time.h sys/ioctl.h)
 AC_HEADER_STAT
 
 AC_C_CONST
 
-AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc)
+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 <sys/ptrace.h>],
+               [PTRACE_GETREGS;],
+               [gdb_cv_have_ptrace_getregs=yes],
+               [gdb_cv_have_ptrace_getregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
+if test $gdb_cv_have_ptrace_getregs = yes; then
+  AC_DEFINE(HAVE_PTRACE_GETREGS)
+fi
+
+dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
+dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
+dnl Linux kernel patch for SSE support.  That patch may or may not
+dnl actually make it into the official distribution.  If you find that
+dnl years have gone by since this configure test was added, and Linux
+dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
+dnl make it, and you can delete this code.
+AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+               [PTRACE_GETXFPREGS;],
+               [gdb_cv_have_ptrace_getxfpregs=yes],
+               [gdb_cv_have_ptrace_getxfpregs=no])])
+AC_MSG_RESULT($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 we are configured native on GNU/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)
        ;;
+  *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
+      AC_DEFINE(NEW_PROC_API)
+      ;;
+  *-*-solaris2.[[678]])
+      AC_DEFINE(NEW_PROC_API)
+      ;;
   esac
 fi
 
-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 $gdb_cv_have_gregset_t = yes; then
-  AC_DEFINE(HAVE_GREGSET_T)
-fi
-
-AC_MSG_CHECKING([for fpregset_t type])
-AC_CACHE_VAL(gdb_cv_have_fpregset_t,
-[AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
-gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
-AC_MSG_RESULT($gdb_cv_have_fpregset_t)
-if test $gdb_cv_have_fpregset_t = yes; then
-  AC_DEFINE(HAVE_FPREGSET_T)
+if test "$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 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 <unistd.h>
+#include <sys/types.h>
+#include <sys/procfs.h>
+], [
+    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.
@@ -121,21 +228,6 @@ 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 Figure out which term library to use.
-TERM_LIB=
-AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
-  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
-
-AC_SUBST(TERM_LIB)
-
 dnl See if compiler supports "long long" type.
 
 AC_MSG_CHECKING(for long long support in compiler)
@@ -295,7 +387,34 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
 fi
 
 dnl Handle optional features that can be enabled.
-ENABLE_CFLAGS=
+
+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],
@@ -335,10 +454,14 @@ if test "${enable_netrom}" = "yes"; then
         CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
 fi
 
+
+build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
+-Wformat -Wparentheses -Wpointer-arith"
+# 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],
-[build_warnings="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations"
-case "${enableval}" in
+[case "${enableval}" in
   yes) ;;
   no)  build_warnings="-w";;
   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
@@ -346,15 +469,25 @@ case "${enableval}" in
   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
         build_warnings="${t} ${build_warnings}";;
   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
-esac],[build_warnings=""])dnl
-
+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$GCC" = xyes
 then
-   WARN_CFLAGS="${build_warnings}"
-else
-   WARN_CFLAGS=""
+  # 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=
@@ -376,194 +509,91 @@ if test x$want_mmalloc = xtrue; then
    MMALLOC='../mmalloc/libmmalloc.a'
 fi
 
-# start-sanitize-carp
-# The below takes an educated guess at the targets that
-# should be built.  It is an interum version that provides
-# significant backward compatibility.
-
-AC_ARG_ENABLE(carp,
-[  --enable-carp           Configure alternative readaptive paradigm ],
-[case "${enableval}" in
-  yes) enable_carp=yes ;;
-  no)  enable_carp=no ;;
-  *)   AC_MSG_ERROR([bad value ${enableval} for carp option]) ;;
-esac],[enable_carp=no])dnl
-
-AC_ARG_ENABLE(targets,
-[  --enable-targets        alternative target configurations],
-[case "${enableval}" in
-  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
-            ;;
-  no)       enable_targets= ;;
-  *)        enable_targets="$enableval" ;;
-esac])dnl
+AC_ARG_WITH(included-regex,
+[  --with-included-regex          Use included regex],
+[case "${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 $want_included_regex = false; then
+  AC_MSG_CHECKING(for GNU regex)
+  AC_CACHE_VAL(gdb_cv_have_gnu_regex,
+[AC_TRY_COMPILE([#include <gnu-versions.h>
+#include <sys/types.h>
+#include <regex.h>],
+[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
+#error No valid GNU regex.
+#endif
+],
+               [gdb_cv_have_gnu_regex=yes],
+               [gdb_cv_have_gnu_regex=no])])
+  AC_MSG_RESULT($gdb_cv_have_gnu_regex)
+  if test $gdb_cv_have_gnu_regex = no; then
+       want_included_regex=true
+  fi
+fi
 
-# Canonicalize the secondary target names.
-all_targets=false
-if test -n "$enable_targets" ; then
-    if test "$enable_targets" = all ; then
-       all_targets=true
-    else
-       for targ in `echo $enable_targets | sed 's/,/ /g'`
-       do
-           result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ 2>/dev/null`
-           if test -n "$result" ; then
-               canon_targets="$canon_targets $result"
-           fi
-       done
-    fi
+if test x${want_included_regex} = xtrue; then
+    REGEX="gnu-regex.o"
+    AC_DEFINE(USE_INCLUDED_REGEX)
 fi
+AC_SUBST(REGEX)
 
-# Convert the target names into GDB [*]-tdep.c names
-changequote(,)dnl
-selarchs=
-for targ in $target $canon_targets
-do
-    if test "x$targ" = "xall" ; then
-        all_targets=true
-    else
-       t_cpu=`echo $targ    | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-       t_vendor=`echo $targ | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-       t_os=`echo $targ     | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-       mt=`
-target=$targ
-target_cpu=$t_cpu
-target_vendor=$t_vendor
-target_os=$t_os
-. ${srcdir}/configure.tgt
-echo ${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt`
-       if test -r ${mt} ; then
-           # This gets confused over .mt files that have multiple -tdep.o
-           tdep=`sed -n '
-s/^.*[         =]\([^  ]*\)-tdep.o.*/\1/p
-' $mt`
-           selarchs="$selarchs $tdep"
-       fi
-    fi
-done   
-changequote([,])dnl
+# 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])])
 
-# We don't do any links based on the target system, just makefile config.
-
-if test x${all_targets} = xfalse ; then
-
-    # Target architecture .o files.
-    ta=
-
-    for arch in $selarchs
-    do
-       archdefs="$archdefs -DARCH_$arch"
-       ta="$ta ${arch}-tdep.o"
-       # Special cases
-       case "$arch" in
-           dvp)  ta="$ta mips-tdep.o dvp-tdep.o" ;;
-       esac
-    done
-
-    # Weed out duplicate .o files.
-    f=""
-    for i in $ta ; do
-       case " $f " in
-           *" $i "*) ;;
-           *) f="$f $i" ;;
-       esac
-    done
-    ta="$f"
-
-    # And duplicate -D flags.
-    f=""
-    for i in $archdefs ; do
-       case " $f " in
-           *" $i "*) ;;
-           *) f="$f $i" ;;
-       esac
-    done
-    archdefs="$f"
-
-    MACHINE_OBS="$ta"
-
-else   # all_targets is true
-    archdefs=-DARCH_all
-    MACHINE_OBS='$(ALL_MACHINES)'
-fi
-
-dnl Don't define an archdefs list
-dnl AC_SUBST(archdefs)
-dnl XXXX this name will change several more times
-if test "${enable_carp}" = yes ; then
-    gdb_target=carp
-    gdb_target_cpu=carp
+DLLTOOL=${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
-    MACHINE_OBS="# $MACHINE_OBS"
-fi
-AC_SUBST(MACHINE_OBS)
-
-# end-sanitize-carp
-# start-sanitize-gdbtk
-# start-sanitize-ide
-ENABLE_IDE=
-AC_ARG_ENABLE(ide, [  --enable-ide            Enable IDE support])
-if test "$enable_ide" = yes; then
-   enable_ide=yes
-   ENABLE_IDE=1
+if test x$gdb_cv_os_cygwin = xyes; then
+  TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`'
 else
-   enable_ide=no
+  TERM_LIB=
+  AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses,
+    AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses,
+      AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib,
+        AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap,
+         AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses,
+           AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo))))))
+
+  if test "x$TERM_LIB" = x
+  then
+    AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!)
+  fi
 fi
-AC_SUBST(ENABLE_IDE)
-
-AC_ARG_WITH(foundry-libs,
-[  --with-foundry-libs=DIR Use the Foundry SDK in DIR],
-[FOUNDRY_LIB_BASE=${withval}])
-AC_SUBST(FOUNDRY_LIB_BASE)
+fi
+AC_SUBST(TERM_LIB)
 
-#
-# This is the Foundry SDK
-#
-# These variables are used to determine where the Foundry libs and
-# header files are located.
-#
-if test "$FOUNDRY_LIB_BASE" != ""; then
-    LIBGUI="${FOUNDRY_LIB_BASE}/lib/libgui.a"
-    GUI_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include"
-    if test x$enable_ide = xyes; then
-        IDE_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include -DIDE"
-       IDE_X="-L${FOUNDRY_LIB_BASE}/lib -lilu-Tk -lilu-c -lilu"
-    else
-        IDE_CFLAGS_X="-I${FOUNDRY_LIB_BASE}/include"
-    fi
-    LIBIDETCL="${FOUNDRY_LIB_BASE}/lib/libidetcl.a"
-    LIBIDE="${FOUNDRY_LIB_BASE}/lib/libide.a"
-    IDE_DEPS="${FOUNDRY_LIB_BASE}/lib/libilu-Tk.a ${FOUNDRY_LIB_BASE}/lib/libilu-c.a ${FOUNDRY_LIB_BASE}/lib/libilu.a"
-else
-# end-sanitize-ide
-    LIBGUI="../libgui/src/libgui.a"
-    GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
-# start-sanitize-ide
-    if test x$enable_ide = xyes; then
-        IDE_CFLAGS_X="-I${srcdir}/../libidetcl/src -I${srcdir}/../libide/src -DIDE -I${srcdir}/../ilu/runtime/mainloop"
-       IDE_X="-L../ilu/runtime/mainloop -lilu-Tk -L../ilu/runtime/c -lilu-c -L../ilu/runtime/kernel -lilu"
-    else
-        IDE_CFLAGS_X="-I${srcdir}/../libidetcl/src -I${srcdir}/../libide/src"
-    fi
-    LIBIDETCL="../libidetcl/src/libidetcl.a"
-    LIBIDE="../libide/src/libide.a"
-    IDE_DEPS="../ilu/runtime/mainloop/libilu-Tk.a ../ilu/runtime/c/libilu-c.a ../ilu/runtime/kernel/libilu.a"
+# 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)
 
-# end-sanitize-ide
+LIBGUI="../libgui/src/libgui.a"
+GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
 AC_SUBST(LIBGUI)
 AC_SUBST(GUI_CFLAGS_X)
-# start-sanitize-ide
-AC_SUBST(IDE_CFLAGS_X)
-AC_SUBST(IDE_X)
-AC_SUBST(LIBIDETCL)
-AC_SUBST(LIBIDE)
-AC_SUBST(IDE_DEPS)
-# end-sanitize-ide
-
 
 AC_ARG_WITH(cpu,
-[  --with-cpu=CPU          set the default CPU variant to debug],
+[  --with-cpu=CPU          Set the default CPU variant to debug],
 [case "${target}" in
   powerpc-* | powerpcle-* )
     ## It would be nice to keep this table in sync with the one in
@@ -597,8 +627,6 @@ AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}")
 ],)
 
 
-ENABLE_GDBTK=
-
 AC_ARG_ENABLE(gdbtk,
 [  --enable-gdbtk          Enable GDBTK GUI front end],
 [case "${enableval}" in
@@ -624,34 +652,17 @@ case "$host" in
     *go32* | *windows*)
        ;;
     *)
-       enable_gdbtk=yes ;;
-    esac
+       if test -d "${srcdir}/gdbtk" ; then
+            enable_gdbtk=yes
+       fi
+       ;;
+esac
 ])
 
-# In the Cygwin environment, we need some additional flags.
-AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
-[AC_EGREP_CPP(lose, [
-#ifdef __CYGWIN32__
-lose
-#endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
-
-WIN32LIBS=
 WIN32LDAPP=
 AC_SUBST(WIN32LIBS)
 AC_SUBST(WIN32LDAPP)
 
-DLLTOOL=${DLLTOOL-dlltool}
-WINDRES=${WINDRES-windres}
-AC_SUBST(DLLTOOL)
-AC_SUBST(WINDRES)
-
-if test x$gdb_cv_os_cygwin = xyes; then
-    WIN32LIBS="-luser32"
-    if test x$enable_ide = xyes; then
-       WIN32LIBS="$WIN32LIBS -ladvapi32"
-    fi
-fi
-
 configdir="unix"
 
 GDBTKLIBS=
@@ -670,7 +681,7 @@ if test "${enable_gdbtk}" = "yes"; then
           CY_AC_PATH_TKH
           CY_AC_PATH_ITCLH
           CY_AC_PATH_ITKH
-          CY_AC_PATH_TIX
+          CY_AC_PATH_TIXH
 
           # now look for Itcl library stuff
 
@@ -678,7 +689,7 @@ if test "${enable_gdbtk}" = "yes"; then
            if test -z "${no_itcl}"; then
              CY_AC_LOAD_ITCLCONFIG
             case "${host}" in
-            *-*-cygwin32*)
+            *-*-cygwin*)
                itcldir=../itcl/itcl/win/
                ;;
             *)
@@ -698,7 +709,7 @@ if test "${enable_gdbtk}" = "yes"; then
              CY_AC_LOAD_ITKCONFIG
 
             case "${host}" in
-              *-*-cygwin32*)
+              *-*-cygwin*)
                 itkdir=../itcl/itk/win/
                 ;;
               *)
@@ -710,57 +721,41 @@ if test "${enable_gdbtk}" = "yes"; then
             ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
            fi
 
-          # now look for tix library stuff
-          TIXVERSION=4.1.8.0
-          . ${ac_cv_c_tclconfig}/tclConfig.sh
-          case "${host}" in
-          *-*-cygwin*)
-               tixdir=../tix/win/tcl8.0
-               ;;
-          *)
-               tixdir=../tix/unix/tk8.0
-               ;;
-          esac 
-          if test "${TCL_SHARED_BUILD}" = "1"; then
-               TIX_LIB_EXT="${TCL_SHLIB_SUFFIX}"
-
-               # Can't win them all: SunOS 4 (others?) appends a version
-                # number after the ".so"
-               case "${host}" in
-               *-*-sunos4*)
-                   TIX_LIB_EXT="${TIX_LIB_EXT}.1.0" ;;
-                esac
-          
-          else
-               TIX_LIB_EXT=".a"
-          fi
-
-          if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
-               TIXLIB="-L${tixdir} -ltix${TIXVERSION}"
-               TIX_DEPS="${tixdir}/libtix${TIXVERSION}${TIX_LIB_EXT}"
-          else
-               TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`"
-               TIX_DEPS="${tixdir}/libtix`echo ${TIXVERSION} | tr -d .`${TIX_LIB_EXT}"
-          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_GDBTK=1
-           ENABLE_CFLAGS="${ENABLE_CFLAGS} -DGDBTK"
+           ENABLE_CFLAGS="$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.
-          if test "${enable_ide}" = "yes"; then        
-             TCL_LIBS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
-             CONFIG_DEPS='$(LIBIDETCL) $(LIBIDE) $(LIBGUI) $(IDE_DEPS) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
-          else
-             TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
-             CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
-          fi
+          TCL_LIBS='$(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} ${TK_LIBS}"
-          CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-variable.o gdbtk-wrapper.o"
+          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"
@@ -771,7 +766,6 @@ if test "${enable_gdbtk}" = "yes"; then
     fi
 fi
 
-AC_SUBST(ENABLE_GDBTK)
 AC_SUBST(X_CFLAGS)
 AC_SUBST(X_LDFLAGS)
 AC_SUBST(X_LIBS)
@@ -782,49 +776,54 @@ AC_SUBST(ITK_DEPS)
 AC_SUBST(TIXLIB)
 AC_SUBST(TIX_DEPS)
 AC_SUBST(GDBTKLIBS)
-# end-sanitize-gdbtk
+AC_SUBST(GDBTK_CFLAGS)
 
 AC_PATH_X
-# start-sanitize-sky
-# Enable GPU2 library for MIPS simulator
-AC_ARG_WITH(sim-gpu2,
-[  --with-sim-gpu2=DIR     Use GPU2 library under given DIR],
-[case "${target}" in
-  mips*-sky*-*)
-    if test -d "${withval}"
-    then
-      if test x${x_libraries} != x
-      then
-       LIBS="${LIBS} -L${withval}/lib -lgpu2 -L${x_libraries} -lX11 -lXext -lm"
-      else
-       LIBS="${LIBS} -L${withval}/lib -lgpu2 -lX11 -lXext -lm"
-      fi
-    else
-      AC_MSG_WARN([Directory ${withval} does not exist.])
-    fi ;;
-  *)  AC_MSG_WARN([--with-sim-gpu2 option invalid for target ${target}])
-esac])dnl
 
-# Enable target accurate FP library
-AC_ARG_WITH(sim-funit,
-[  --with-sim-funit=DIR    Use target FP lib under given DIR],
-[case "${target}" in
-  mips*-sky*-*)
-    if test -d "${withval}"
-    then
-      LIBS="${LIBS} -L${withval}/lib -lfunit"
-    else
-      AC_MSG_WARN([Directory ${withval} does not exist.])
-    fi ;;
-  *)  AC_MSG_WARN([--with-sim-funit option invalid for target ${target}])
-esac])dnl
-# end-sanitize-sky
+# 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,
@@ -848,7 +847,7 @@ if test "${shared}" = "true"; then
     ;;
   *-*-linux*aout*)
     ;;
-  *-*-linux* | *-pc-linux-gnu)
+  *-*-linux* | *-pc-linux-gnu*)
     HLDFLAGS='-Wl,-rpath,$(libdir)'
     ;;
   *-*-solaris*)
@@ -933,6 +932,13 @@ s/NAT_FILE[        ]*=[    ]*\([^  ]*\)/\1/p
 fi
 changequote([,])
 
+SUBDIRS="doc testsuite nlm"
+if test "${enable_multi_ice}" = "yes"; then
+  SUBDIRS="${SUBDIRS} multi-ice"
+fi
+
+AC_SUBST(SUBDIRS)
+
 # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
 # (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
@@ -960,24 +966,12 @@ else
 files="${files} config/nm-empty.h"
 links="${links} nm.h"
 fi
-# start-sanitize-gdbtk
 AC_PROG_LN_S
-# Make it possible to use the GUI without doing a full install
-if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl2 ; then
-  if test "$LN_S" = "ln -s" -a ! -f gdbtcl2 ; then
-  echo linking $srcdir/gdbtcl2 to gdbtcl2
-  $LN_S $srcdir/gdbtcl2 gdbtcl2
-  else
-  echo Warning: Unable to link $srcdir/gdbtcl2 to gdbtcl2.  You will need to do a
-  echo "         " make install before you are able to run the GUI.
-  fi
-fi
-# end-sanitize-gdbtk
 
 AC_LINK_FILES($files, $links)
 
 dnl Check for exe extension set on certain hosts (e.g. Win32)
-AM_EXEEXT
+AC_EXEEXT
 
 AC_CONFIG_SUBDIRS($configdirs)
 AC_OUTPUT(Makefile tui/Makefile .gdbinit:gdbinit.in,
@@ -998,6 +992,7 @@ sed -e '/^TM_FILE[  ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
 mv -f Makefile.tmp Makefile
 changequote([,])dnl
 
+
 case x$CONFIG_HEADERS in
 xconfig.h:config.in)
 echo > stamp-h ;;
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