tools: Check for abi-dumper in ./configure

This will be optional.  No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Ian Jackson <iwj@xenproject.org>
Release-Acked-by: Ian Jackson <iwj@xenproject.org>

config/Tools.mk.in

@@ -19,6 +19,7 @@ BCC                 := @BCC@
 IASL                := @IASL@
 AWK                 := @AWK@
 FETCHER             := @FETCHER@
+ABI_DUMPER          := @ABI_DUMPER@
 
 # Extra folder for libs/includes
 PREPEND_INCLUDES    := @PREPEND_INCLUDES@

tools/configure

@@ -682,6 +682,7 @@ OCAMLOPT
 OCAMLLIB
 OCAMLVERSION
 OCAMLC
+ABI_DUMPER
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
@@ -5442,6 +5443,46 @@ $as_echo "no" >&6; }
 fi
 
 
+# Extract the first word of "abi-dumper", so it can be a program name with args.
+set dummy abi-dumper; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ABI_DUMPER+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ABI_DUMPER in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ABI_DUMPER="$ABI_DUMPER" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ABI_DUMPER="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ABI_DUMPER=$ac_cv_path_ABI_DUMPER
+if test -n "$ABI_DUMPER"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ABI_DUMPER" >&5
+$as_echo "$ABI_DUMPER" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5

tools/configure.ac

@@ -310,6 +310,7 @@ AC_PROG_CC
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 AC_PATH_PROG([FLEX], [flex])
+AC_PATH_PROG([ABI_DUMPER], [abi-dumper])
 AX_PATH_PROG_OR_FAIL([PERL], [perl])
 AX_PATH_PROG_OR_FAIL([AWK], [awk])