Fix regression introduced in 310f2e2

related to #134

Signed-off-by: Cristian Maglie <[email protected]>

Author: cmaglie

Diff for: src/arduino.cc/builder/gcc_preproc_runner.go

@@ -108,7 +108,7 @@ func prepareGCCPreprocRecipeProperties(ctx *types.Context, sourceFilePath string
 		targetFilePath = filepath.Join(preprocPath, targetFilePath)
 	}
 
-	properties := ctx.BuildProperties
+	properties := ctx.BuildProperties.Clone()
 	properties[constants.BUILD_PROPERTIES_SOURCE_FILE] = sourceFilePath
 	properties[constants.BUILD_PROPERTIES_PREPROCESSED_FILE_PATH] = targetFilePath
 

Diff for: src/arduino.cc/builder/includes_finder_with_gcc.go

@@ -45,7 +45,7 @@ type IncludesFinderWithGCC struct {
 }
 
 func (s *IncludesFinderWithGCC) Run(ctx *types.Context) error {
-	buildProperties := ctx.BuildProperties
+	buildProperties := ctx.BuildProperties.Clone()
 	verbose := ctx.Verbose
 	logger := ctx.GetLogger()
 

Diff for: src/arduino.cc/builder/recipe_runner.go

@@ -50,7 +50,7 @@ func (s *RecipeByPrefixSuffixRunner) Run(ctx *types.Context) error {
 		logger.Fprintln(os.Stdout, constants.LOG_LEVEL_DEBUG, constants.MSG_LOOKING_FOR_RECIPES, s.Prefix, s.Suffix)
 	}
 
-	buildProperties := ctx.BuildProperties
+	buildProperties := ctx.BuildProperties.Clone()
 	verbose := ctx.Verbose
 
 	recipes := findRecipes(buildProperties, s.Prefix, s.Suffix)