Factor out complex printing code from generic_val_print
[deliverable/binutils-gdb.git] / gdb / configure
index 3e031a5905cc0e67f3cc4b001e5c0e557d13ea1e..e1b778b2103ddf2f08e9078e421698926f3fccc4 100755 (executable)
@@ -658,6 +658,9 @@ TARGET_SYSTEM_ROOT
 CONFIG_LDFLAGS
 RDYNAMIC
 ALLOCA
+LTLIBIPT
+LIBIPT
+HAVE_LIBIPT
 HAVE_GUILE_FALSE
 HAVE_GUILE_TRUE
 GUILE_LIBS
@@ -831,6 +834,8 @@ with_libexpat_prefix
 with_python
 with_guile
 enable_libmcheck
+with_intel_pt
+with_libipt_prefix
 with_included_regex
 with_sysroot
 with_system_gdbinit
@@ -1553,6 +1558,9 @@ Optional Packages:
                           (auto/yes/no/<python-program>)
   --with-guile[=GUILE]    include guile support
                           (auto/yes/no/<guile-version>/<pkg-config-program>)
+  --with-intel-pt         include Intel(R) Processor Trace support (auto/yes/no)
+  --with-libipt-prefix[=DIR]  search for libipt in DIR/include and DIR/lib
+  --without-libipt-prefix     don't search for libipt in includedir and libdir
   --without-included-regex
                           don't use included regex; this is the default on
                           systems with version 2 of the GNU C library (use
@@ -2390,6 +2398,51 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_member
+
+# ac_fn_cxx_check_decl LINENO SYMBOL VAR
+# --------------------------------------
+# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+ac_fn_cxx_check_decl ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_cxx_check_decl
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -7020,8 +7073,8 @@ fi
 # Link in zlib if we can.  This allows us to read compressed debug sections.
 
   # Use the system's zlib library.
-  zlibdir=-L../zlib
-  zlibinc="-I\$(srcdir)/../zlib"
+  zlibdir="-L\$(top_builddir)/../zlib"
+  zlibinc="-I\$(top_srcdir)/../zlib"
 
 # Check whether --with-system-zlib was given.
 if test "${with_system_zlib+set}" = set; then :
@@ -7455,11 +7508,6 @@ case $host_os in
   go32* | *djgpp*)
     ac_cv_search_tgetent="none required"
     ;;
-  *mingw32*)
-    if test x"$curses_found" != xyes; then
-      ac_cv_search_tgetent="none required"
-      CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
-    fi ;;
 esac
 
 # These are the libraries checked by Readline.
@@ -7521,7 +7569,7 @@ fi
 
 
 if test "$ac_cv_search_tgetent" = no; then
-  as_fn_error "no termcap library found" "$LINENO" 5
+  CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
 fi
 
 
@@ -9666,219 +9714,709 @@ if test "$ENABLE_LIBMCHECK" = "yes" \
 $as_echo "$as_me: WARNING: --enable-libmcheck may lead to spurious crashes if threads are used in python" >&2;}
 fi
 
-# ------------------------- #
-# Checks for header files.  #
-# ------------------------- #
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
 
+# Check whether --with-intel_pt was given.
+if test "${with_intel_pt+set}" = set; then :
+  withval=$with_intel_pt;
 else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
+  with_intel_pt=auto
 fi
 
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-                  (('a' <= (c) && (c) <= 'i') \
-                    || ('j' <= (c) && (c) <= 'r') \
-                    || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-       || toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use intel pt" >&5
+$as_echo_n "checking whether to use intel pt... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_intel_pt" >&5
+$as_echo "$with_intel_pt" >&6; }
 
+if test "${with_intel_pt}" = no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Intel(R) Processor Trace support disabled; some features may be unavailable." >&5
+$as_echo "$as_me: WARNING: Intel(R) Processor Trace support disabled; some features may be unavailable." >&2;}
+  HAVE_LIBIPT=no
 else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# elf_hp.h is for HP/UX 64-bit shared library support.
-for ac_header in nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
-                  thread_db.h \
-                 sys/fault.h \
-                 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
-                 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
-                 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
-                 termios.h termio.h \
-                 sgtty.h elf_hp.h \
-                 dlfcn.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
 
-done
 
-for ac_header in sys/proc.h
-do :
-  ac_fn_c_check_header_compile "$LINENO" "sys/proc.h" "ac_cv_header_sys_proc_h" "#if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
 
-"
-if test "x$ac_cv_header_sys_proc_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_PROC_H 1
-_ACEOF
 
-fi
 
-done
 
-for ac_header in sys/user.h
-do :
-  ac_fn_c_check_header_compile "$LINENO" "sys/user.h" "ac_cv_header_sys_user_h" "#if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
 
-"
-if test "x$ac_cv_header_sys_user_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_USER_H 1
-_ACEOF
 
-fi
+    use_additional=yes
 
-done
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
 
+    eval additional_includedir=\"$includedir\"
+    eval additional_libdir=\"$libdir\"
 
-# On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
-# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
-# think that we don't have <curses.h> if we're using GCC.
-case $host_os in
-  solaris2.[789])
-    if test "$GCC" = yes; then
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
 
-$as_echo "#define _MSE_INT_H 1" >>confdefs.h
 
-    fi ;;
-esac
-for ac_header in curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
+# Check whether --with-libipt-prefix was given.
+if test "${with_libipt_prefix+set}" = set; then :
+  withval=$with_libipt_prefix;
+    if test "X$withval" = "Xno"; then
+      use_additional=no
+    else
+      if test "X$withval" = "X"; then
 
-fi
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
 
-done
+          eval additional_includedir=\"$includedir\"
+          eval additional_libdir=\"$libdir\"
 
-for ac_header in term.h
-do :
-  ac_fn_c_check_header_compile "$LINENO" "term.h" "ac_cv_header_term_h" "#if HAVE_CURSES_H
-# include <curses.h>
-#endif
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
 
-"
-if test "x$ac_cv_header_term_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_TERM_H 1
-_ACEOF
+      else
+        additional_includedir="$withval/include"
+        additional_libdir="$withval/lib"
+      fi
+    fi
 
 fi
 
-done
-
+      LIBIPT=
+  LTLIBIPT=
+  INCIPT=
+  rpathdirs=
+  ltrpathdirs=
+  names_already_handled=
+  names_next_round='ipt '
+  while test -n "$names_next_round"; do
+    names_this_round="$names_next_round"
+    names_next_round=
+    for name in $names_this_round; do
+      already_handled=
+      for n in $names_already_handled; do
+        if test "$n" = "$name"; then
+          already_handled=yes
+          break
+        fi
+      done
+      if test -z "$already_handled"; then
+        names_already_handled="$names_already_handled $name"
+                        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
+        eval value=\"\$HAVE_LIB$uppername\"
+        if test -n "$value"; then
+          if test "$value" = yes; then
+            eval value=\"\$LIB$uppername\"
+            test -z "$value" || LIBIPT="${LIBIPT}${LIBIPT:+ }$value"
+            eval value=\"\$LTLIB$uppername\"
+            test -z "$value" || LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }$value"
+          else
+                                    :
+          fi
+        else
+                              found_dir=
+          found_la=
+          found_so=
+          found_a=
+          if test $use_additional = yes; then
+            if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+              found_dir="$additional_libdir"
+              found_so="$additional_libdir/lib$name.$shlibext"
+              if test -f "$additional_libdir/lib$name.la"; then
+                found_la="$additional_libdir/lib$name.la"
+              fi
+            else
+              if test -f "$additional_libdir/lib$name.$libext"; then
+                found_dir="$additional_libdir"
+                found_a="$additional_libdir/lib$name.$libext"
+                if test -f "$additional_libdir/lib$name.la"; then
+                  found_la="$additional_libdir/lib$name.la"
+                fi
+              fi
+            fi
+          fi
+          if test "X$found_dir" = "X"; then
+            for x in $LDFLAGS $LTLIBIPT; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+              case "$x" in
+                -L*)
+                  dir=`echo "X$x" | sed -e 's/^X-L//'`
+                  if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+                    found_dir="$dir"
+                    found_so="$dir/lib$name.$shlibext"
+                    if test -f "$dir/lib$name.la"; then
+                      found_la="$dir/lib$name.la"
+                    fi
+                  else
+                    if test -f "$dir/lib$name.$libext"; then
+                      found_dir="$dir"
+                      found_a="$dir/lib$name.$libext"
+                      if test -f "$dir/lib$name.la"; then
+                        found_la="$dir/lib$name.la"
+                      fi
+                    fi
+                  fi
+                  ;;
+              esac
+              if test "X$found_dir" != "X"; then
+                break
+              fi
+            done
+          fi
+          if test "X$found_dir" != "X"; then
+                        LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }-L$found_dir -l$name"
+            if test "X$found_so" != "X"; then
+                                                        if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
+                                LIBIPT="${LIBIPT}${LIBIPT:+ }$found_so"
+              else
+                                                                                haveit=
+                for x in $ltrpathdirs; do
+                  if test "X$x" = "X$found_dir"; then
+                    haveit=yes
+                    break
+                  fi
+                done
+                if test -z "$haveit"; then
+                  ltrpathdirs="$ltrpathdirs $found_dir"
+                fi
+                                if test "$hardcode_direct" = yes; then
+                                                      LIBIPT="${LIBIPT}${LIBIPT:+ }$found_so"
+                else
+                  if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+                                                            LIBIPT="${LIBIPT}${LIBIPT:+ }$found_so"
+                                                            haveit=
+                    for x in $rpathdirs; do
+                      if test "X$x" = "X$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      rpathdirs="$rpathdirs $found_dir"
+                    fi
+                  else
+                                                                                haveit=
+                    for x in $LDFLAGS $LIBIPT; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+                      if test "X$x" = "X-L$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      LIBIPT="${LIBIPT}${LIBIPT:+ }-L$found_dir"
+                    fi
+                    if test "$hardcode_minus_L" != no; then
+                                                                                        LIBIPT="${LIBIPT}${LIBIPT:+ }$found_so"
+                    else
+                                                                                                                                                                                LIBIPT="${LIBIPT}${LIBIPT:+ }-l$name"
+                    fi
+                  fi
+                fi
+              fi
+            else
+              if test "X$found_a" != "X"; then
+                                LIBIPT="${LIBIPT}${LIBIPT:+ }$found_a"
+              else
+                                                LIBIPT="${LIBIPT}${LIBIPT:+ }-L$found_dir -l$name"
+              fi
+            fi
+                        additional_includedir=
+            case "$found_dir" in
+              */lib | */lib/)
+                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+                additional_includedir="$basedir/include"
+                ;;
+            esac
+            if test "X$additional_includedir" != "X"; then
+                                                                                                                if test "X$additional_includedir" != "X/usr/include"; then
+                haveit=
+                if test "X$additional_includedir" = "X/usr/local/include"; then
+                  if test -n "$GCC"; then
+                    case $host_os in
+                      linux*) haveit=yes;;
+                    esac
+                  fi
+                fi
+                if test -z "$haveit"; then
+                  for x in $CPPFLAGS $INCIPT; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+                    if test "X$x" = "X-I$additional_includedir"; then
+                      haveit=yes
+                      break
+                    fi
+                  done
+                  if test -z "$haveit"; then
+                    if test -d "$additional_includedir"; then
+                                            INCIPT="${INCIPT}${INCIPT:+ }-I$additional_includedir"
+                    fi
+                  fi
+                fi
+              fi
+            fi
+                        if test -n "$found_la"; then
+                                                        save_libdir="$libdir"
+              case "$found_la" in
+                */* | *\\*) . "$found_la" ;;
+                *) . "./$found_la" ;;
+              esac
+              libdir="$save_libdir"
+                            for dep in $dependency_libs; do
+                case "$dep" in
+                  -L*)
+                    additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
+                                                                                                                                                                if test "X$additional_libdir" != "X/usr/lib"; then
+                      haveit=
+                      if test "X$additional_libdir" = "X/usr/local/lib"; then
+                        if test -n "$GCC"; then
+                          case $host_os in
+                            linux*) haveit=yes;;
+                          esac
+                        fi
+                      fi
+                      if test -z "$haveit"; then
+                        haveit=
+                        for x in $LDFLAGS $LIBIPT; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                                                        LIBIPT="${LIBIPT}${LIBIPT:+ }-L$additional_libdir"
+                          fi
+                        fi
+                        haveit=
+                        for x in $LDFLAGS $LTLIBIPT; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                                                        LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }-L$additional_libdir"
+                          fi
+                        fi
+                      fi
+                    fi
+                    ;;
+                  -R*)
+                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
+                    if test "$enable_rpath" != no; then
+                                                                  haveit=
+                      for x in $rpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        rpathdirs="$rpathdirs $dir"
+                      fi
+                                                                  haveit=
+                      for x in $ltrpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        ltrpathdirs="$ltrpathdirs $dir"
+                      fi
+                    fi
+                    ;;
+                  -l*)
+                                        names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
+                    ;;
+                  *.la)
+                                                                                names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
+                    ;;
+                  *)
+                                        LIBIPT="${LIBIPT}${LIBIPT:+ }$dep"
+                    LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }$dep"
+                    ;;
+                esac
+              done
+            fi
+          else
+                                                            LIBIPT="${LIBIPT}${LIBIPT:+ }-l$name"
+            LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }-l$name"
+          fi
+        fi
+      fi
+    done
+  done
+  if test "X$rpathdirs" != "X"; then
+    if test -n "$hardcode_libdir_separator"; then
+                        alldirs=
+      for found_dir in $rpathdirs; do
+        alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
+      done
+            acl_save_libdir="$libdir"
+      libdir="$alldirs"
+      eval flag=\"$hardcode_libdir_flag_spec\"
+      libdir="$acl_save_libdir"
+      LIBIPT="${LIBIPT}${LIBIPT:+ }$flag"
+    else
+            for found_dir in $rpathdirs; do
+        acl_save_libdir="$libdir"
+        libdir="$found_dir"
+        eval flag=\"$hardcode_libdir_flag_spec\"
+        libdir="$acl_save_libdir"
+        LIBIPT="${LIBIPT}${LIBIPT:+ }$flag"
+      done
+    fi
+  fi
+  if test "X$ltrpathdirs" != "X"; then
+            for found_dir in $ltrpathdirs; do
+      LTLIBIPT="${LTLIBIPT}${LTLIBIPT:+ }-R$found_dir"
+    done
+  fi
+
+
+        ac_save_CPPFLAGS="$CPPFLAGS"
+
+  for element in $INCIPT; do
+    haveit=
+    for x in $CPPFLAGS; do
+
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  eval x=\"$x\"
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+
+      if test "X$x" = "X$element"; then
+        haveit=yes
+        break
+      fi
+    done
+    if test -z "$haveit"; then
+      CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element"
+    fi
+  done
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libipt" >&5
+$as_echo_n "checking for libipt... " >&6; }
+if test "${ac_cv_libipt+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    ac_save_LIBS="$LIBS"
+    LIBS="$LIBS $LIBIPT"
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include "intel-pt.h"
+int
+main ()
+{
+pt_insn_alloc_decoder (0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_libipt=yes
+else
+  ac_cv_libipt=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    LIBS="$ac_save_LIBS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_libipt" >&5
+$as_echo "$ac_cv_libipt" >&6; }
+  if test "$ac_cv_libipt" = yes; then
+    HAVE_LIBIPT=yes
+
+$as_echo "#define HAVE_LIBIPT 1" >>confdefs.h
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to link with libipt" >&5
+$as_echo_n "checking how to link with libipt... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBIPT" >&5
+$as_echo "$LIBIPT" >&6; }
+  else
+    HAVE_LIBIPT=no
+            CPPFLAGS="$ac_save_CPPFLAGS"
+    LIBIPT=
+    LTLIBIPT=
+  fi
+
+
+
+
+
+
+  if test "$HAVE_LIBIPT" != yes; then
+    if test "$with_intel_pt" = yes; then
+      as_fn_error "libipt is missing or unusable" "$LINENO" 5
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libipt is missing or unusable; some features may be unavailable." >&5
+$as_echo "$as_me: WARNING: libipt is missing or unusable; some features may be unavailable." >&2;}
+    fi
+  fi
+fi
+
+# ------------------------- #
+# Checks for header files.  #
+# ------------------------- #
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+                  (('a' <= (c) && (c) <= 'i') \
+                    || ('j' <= (c) && (c) <= 'r') \
+                    || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+       || toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+# elf_hp.h is for HP/UX 64-bit shared library support.
+for ac_header in nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
+                  thread_db.h \
+                 sys/fault.h \
+                 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
+                 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
+                 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
+                 termios.h termio.h \
+                 sgtty.h elf_hp.h \
+                 dlfcn.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+for ac_header in sys/proc.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "sys/proc.h" "ac_cv_header_sys_proc_h" "#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
+"
+if test "x$ac_cv_header_sys_proc_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_PROC_H 1
+_ACEOF
+
+fi
+
+done
+
+for ac_header in sys/user.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "sys/user.h" "ac_cv_header_sys_user_h" "#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
+"
+if test "x$ac_cv_header_sys_user_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_USER_H 1
+_ACEOF
+
+fi
+
+done
+
+
+# On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
+# between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
+# think that we don't have <curses.h> if we're using GCC.
+case $host_os in
+  solaris2.[789])
+    if test "$GCC" = yes; then
+
+$as_echo "#define _MSE_INT_H 1" >>confdefs.h
+
+    fi ;;
+esac
+for ac_header in curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+for ac_header in term.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "term.h" "ac_cv_header_term_h" "#if HAVE_CURSES_H
+# include <curses.h>
+#endif
+
+"
+if test "x$ac_cv_header_term_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_TERM_H 1
+_ACEOF
+
+fi
+
+done
+
 
 # ------------------------- #
 # Checks for declarations.  #
@@ -10962,7 +11500,7 @@ for ac_func in getauxval getrusage getuid getgid \
                sigaction sigprocmask sigsetmask socketpair \
                ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
                setrlimit getrlimit posix_madvise waitpid \
-               ptrace64 sigaltstack mkdtemp
+               ptrace64 sigaltstack mkdtemp setns
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -11433,8 +11971,36 @@ $as_echo "#define HAVE_SIGSETJMP 1" >>confdefs.h
 fi
 
 
-# Check the return and argument types of ptrace.  No canned test for
-# this, so roll our own.
+# Check the return and argument types of ptrace.
+
+
+
+for ac_header in sys/ptrace.h ptrace.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+# Needs to be tested in C++ mode, to detect whether we need to cast
+# the first argument to enum __ptrace_request.
+if test "$enable_build_with_cxx" = "yes"; then
+    ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+fi
+
 gdb_ptrace_headers='
 #include <sys/types.h>
 #if HAVE_SYS_PTRACE_H
@@ -11445,7 +12011,7 @@ gdb_ptrace_headers='
 #endif
 '
 # There is no point in checking if we don't have a prototype.
-ac_fn_c_check_decl "$LINENO" "ptrace" "ac_cv_have_decl_ptrace" "$gdb_ptrace_headers
+ac_fn_cxx_check_decl "$LINENO" "ptrace" "ac_cv_have_decl_ptrace" "$gdb_ptrace_headers
 "
 if test "x$ac_cv_have_decl_ptrace" = x""yes; then :
   ac_have_decl=1
@@ -11483,7 +12049,7 @@ extern long ptrace (enum __ptrace_request, ...);
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   gdb_cv_func_ptrace_ret='long'
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11497,7 +12063,7 @@ extern int ptrace ();
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   gdb_cv_func_ptrace_ret='int'
 else
   gdb_cv_func_ptrace_ret='long'
@@ -11531,8 +12097,8 @@ extern long ptrace (enum __ptrace_request, ...);
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gdb_cv_func_ptrace_args='int,int,long,long'
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  gdb_cv_func_ptrace_args='enum __ptrace_request,int,long,long'
 else
 
 for gdb_arg1 in 'int' 'long'; do
@@ -11553,7 +12119,7 @@ extern $gdb_cv_func_ptrace_ret
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
     break 4;
 fi
@@ -11573,7 +12139,7 @@ extern $gdb_cv_func_ptrace_ret
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
 
 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
     break 5;
@@ -11597,6 +12163,11 @@ set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
 IFS=$ac_save_IFS
 shift
 
+cat >>confdefs.h <<_ACEOF
+#define PTRACE_TYPE_ARG1 $1
+_ACEOF
+
+
 cat >>confdefs.h <<_ACEOF
 #define PTRACE_TYPE_ARG3 $3
 _ACEOF
@@ -11614,6 +12185,16 @@ _ACEOF
 
 fi
 
+if test "$enable_build_with_cxx" = "yes"; then
+    ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+
+
 if test "$cross_compiling" = no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether setpgrp takes no argument" >&5
 $as_echo_n "checking whether setpgrp takes no argument... " >&6; }
@@ -13432,8 +14013,7 @@ $as_echo_n "checking compiler warning flags... " >&6; }
            CFLAGS="$CFLAGS $w"
            saved_CXXFLAGS="$CXXFLAGS"
            CXXFLAGS="$CXXFLAGS $w"
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+           cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -13531,7 +14111,8 @@ esac
   # points somewhere with bfd, with -I/foo/lib and -L/foo/lib.  We
   # always want our bfd.
   CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
-  LDFLAGS="-L../bfd -L../libiberty $zlibdir $LDFLAGS"
+  ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'`
+  LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS"
   intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
   LIBS="-lbfd -liberty -lz $intl $LIBS"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ELF support in BFD" >&5
@@ -13641,7 +14222,8 @@ fi
   # points somewhere with bfd, with -I/foo/lib and -L/foo/lib.  We
   # always want our bfd.
   CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
-  LDFLAGS="-L../bfd -L../libiberty $zlibdir $LDFLAGS"
+  ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'`
+  LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS"
   intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
   LIBS="-lbfd -liberty -lz $intl $LIBS"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Mach-O support in BFD" >&5
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