Include library paths used by libraries in the compiler search path.

app/src/processing/app/Base.java

@@ -2046,6 +2046,9 @@ protected File getDefaultSketchbookFolder() {
     return sketchbookFolder;
   }
 
+  static public Map<String, File> getImportToLibraryTable() {
+    return importToLibraryTable;
+  }
 
   /**
    * Check for a new sketchbook location.

app/src/processing/app/Sketch.java

@@ -1426,12 +1426,36 @@ public String preprocess(String buildPath, PdePreprocessor preprocessor) throws
     libraryPath = "";
     for (String item : preprocessor.getExtraImports()) {
 
-        File libFolder = (File) Base.importToLibraryTable.get(item);
-        //If needed can Debug libraryPath here
+      File libFolder = (File) Base.importToLibraryTable.get(item);
+      //If needed can Debug libraryPath here
 
       if (libFolder != null && !importedLibraries.contains(libFolder)) {
         importedLibraries.add(libFolder);
+
+       File headerFile = new File(libFolder.getAbsolutePath() + File.separator + item);
+       try {
+          String program = Base.loadFile(headerFile);
+
+          String importRegexp = "^\\s*#include\\s*[<\"](\\S+)[\">]";
+
+          String[][] pieces = PApplet.matchAll(program, importRegexp);
+
+          if (pieces != null) {
+            for (int i = 0; i < pieces.length; i++) {
+              File libFolder2 = (File) Base.importToLibraryTable.get(pieces[i][1]); // the package name
+              //If needed can Debug libraryPath here
+              if (libFolder2 != null && !importedLibraries.contains(libFolder2)) {
+                importedLibraries.add(libFolder2);
+              }
+            }
+          }
+        } catch (IOException e) {
+          e.printStackTrace();
+          throw new RunnerException(I18n.format(_("Problem opening file {0}"), headerFile.getAbsolutePath()));
+        }        
+
         //classPath += Compiler.contentsToClassPath(libFolder);
+        // This is never used ... toss it?
         libraryPath += File.pathSeparator + libFolder.getAbsolutePath();
       }
     }

app/src/processing/app/debug/Compiler.java

@@ -58,6 +58,33 @@ public class Compiler implements MessageConsumer {
 
   private RunnerException exception;
 
+  List<String> getLocalIncludePaths(List<String> includePaths, File programFile)
+    throws RunnerException {
+    List<String> allIncludePaths = new ArrayList<String>(includePaths);
+    try {
+      String program = Base.loadFile(programFile);
+
+      String importRegexp = "^\\s*#include\\s*[<\"](\\S+)[\">]";
+
+      String[][] pieces = PApplet.matchAll(program, importRegexp);
+
+      if (pieces != null) {
+        for (int i = 0; i < pieces.length; i++) {
+          File libFolder = (File) Base.getImportToLibraryTable().get(pieces[i][1]); // the package name
+          //If needed can Debug libraryPath here
+          if (libFolder != null && !allIncludePaths.contains(libFolder.getPath())) {
+            allIncludePaths.add(libFolder.getPath());
+          }
+        }
+      }
+    } catch (IOException e) {
+      e.printStackTrace();
+      throw new RunnerException(I18n.format(_("Problem opening file {0}"), programFile.getAbsolutePath()));
+    }        
+
+    return allIncludePaths;
+  }
+
   /**
    * Compile sketch.
    *
@@ -211,7 +238,10 @@ private List<File> compileFiles(String outputPath, File sourcePath,
       objectPaths.add(objectFile);
       if (is_already_compiled(file, objectFile, dependFile, prefs))
         continue;
-      String[] cmd = getCommandCompilerC(includePaths, file.getAbsolutePath(),
+
+      List<String> localIncludePaths = getLocalIncludePaths(includePaths, file);
+
+      String[] cmd = getCommandCompilerC(localIncludePaths, file.getAbsolutePath(),
                                          objectPath);
       execAsynchronously(cmd);
     }
@@ -224,7 +254,10 @@ private List<File> compileFiles(String outputPath, File sourcePath,
       objectPaths.add(objectFile);
       if (is_already_compiled(file, objectFile, dependFile, prefs))
         continue;
-      String[] cmd = getCommandCompilerCPP(includePaths,
+
+      List<String> localIncludePaths = getLocalIncludePaths(includePaths, file);
+
+      String[] cmd = getCommandCompilerCPP(localIncludePaths,
                                            file.getAbsolutePath(), objectPath);
       execAsynchronously(cmd);
     }

hardware/arduino/sam/cores/arduino/wiring_digital.c

@@ -84,7 +84,7 @@ extern void digitalWrite( uint32_t ulPin, uint32_t ulVal )
   }
   else
   {
-    PIO_SetOutput( g_APinDescription[ulPin].pPort, g_APinDescription[ulPin].ulPin, ulVal, 0, PIO_PULLUP ) ;
+    PIO_SetOutput( g_APinDescription[ulPin].pPort, g_APinDescription[ulPin].ulPin, ulVal, 0, 0 ) ;
   }
 }