sdk/dart now detects an available build

sdk/bin/dart

Index: sdk/bin/dart
diff --git a/sdk/bin/dart b/sdk/bin/dart
index 675963f746cab46906ff24938d59bf6f07a8023a..23eb16fafbaa4f56a5e1424a113bc98b07b4cf36 100755
--- a/sdk/bin/dart
+++ b/sdk/bin/dart
@@ -20,7 +20,24 @@ CUR_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
 
 if [ -z "$DART_CONFIGURATION" ];
 then
-  DART_CONFIGURATION="ReleaseIA32"
+  CONFIGS=$( ls "$CUR_DIR"/../../out/ )

[floitsch, 2015/08/10 11:48:40]

This only works for Linux.

Create a OUT_DIR variable.

if [[ `uname` == 'Darwin' ]];
then
  OUT_DIR="$CUR_DIR"/../../xcodebuild"
else
  OUT_DIR="$CUR_DIR"/../../out"
fi

if [ -z "$DART_CONFIGURATION" ];
...
fi

BIN_DIR="$OUT_DIR"/$DART_CONFIGURATION

[stanm, 2015/08/10 14:51:40]

Acknowledged.

+  COUNT=$( echo $CONFIGS | wc -w )
+  if [ "$COUNT" -eq "0" ];
+  then
+    # keep original behaviour in the case of an empty "out" folder
+    DART_CONFIGURATION="ReleaseIA32"
+  else
+    # if there is a "ReleaseIA32" folder - use it, otherwise - use the last one
+    # lexicographically

[floitsch, 2015/08/10 11:48:40]

I think it would be nicer to have a list of preferred configurations.
This makes it also more robust wrt to spurious folders/files in the
out-directory.

[stanm, 2015/08/10 14:51:40]

I thought of doing that initially, but I couldn't find a list of the available
options. I will look into it now.

[floitsch, 2015/08/10 14:56:09]

I wouldn't look too far.
I32 und I64 Release and Debug are probably enough.

[floitsch, 2015/08/10 14:56:49]

You could furthermore include ARM (don't know what the id is). that should make
it pretty complete.

+    for CONFIG in $CONFIGS;
+    do
+      DART_CONFIGURATION="$CONFIG"
+      if [ "$CONFIG" = "ReleaseIA32" ];
+      then
+        break
+      fi
+    done
+  fi
 fi
 
 if [[ `uname` == 'Darwin' ]];