sim: unify dtc tool checks

Only one arch uses this currently, but others could too.  By moving
it up to the common checks, it'll also let us simplify the moxie code
significantly.

1 files changed, 96 insertions, 2 deletions

diff --git a/sim/configure b/sim/configure
index 1b56b62..9f84c4f 100755
--- a/sim/configure
+++ b/sim/configure
@@ -719,6 +719,7 @@ CFLAGS_FOR_BUILD
 RANLIB_FOR_BUILD
 CC_FOR_BUILD
 AR_FOR_BUILD
+DTC
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
@@ -4409,6 +4410,99 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 
 
 
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dtc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dtc; 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_prog_DTC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$DTC"; then
+  ac_cv_prog_DTC="$DTC" # Let the user override the test.
+else
+as_save_IFS=$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_prog_DTC="${ac_tool_prefix}dtc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+DTC=$ac_cv_prog_DTC
+if test -n "$DTC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DTC" >&5
+$as_echo "$DTC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DTC"; then
+  ac_ct_DTC=$DTC
+  # Extract the first word of "dtc", so it can be a program name with args.
+set dummy dtc; 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_prog_ac_ct_DTC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_DTC"; then
+  ac_cv_prog_ac_ct_DTC="$ac_ct_DTC" # Let the user override the test.
+else
+as_save_IFS=$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_prog_ac_ct_DTC="dtc"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DTC=$ac_cv_prog_ac_ct_DTC
+if test -n "$ac_ct_DTC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DTC" >&5
+$as_echo "$ac_ct_DTC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_DTC" = x; then
+    DTC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DTC=$ac_ct_DTC
+  fi
+else
+  DTC="$ac_cv_prog_DTC"
+fi
+
+
 if test "x$cross_compiling" = "xno"; then
   : "${AR_FOR_BUILD:=\$(AR)}"
   : "${CC_FOR_BUILD:=\$(CC)}"
@@ -11938,7 +12032,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11941 "configure"
+#line 12035 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12044,7 +12138,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12047 "configure"
+#line 12141 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H