add the undocumented -rtlib=compiler-rt flag.

Author: ianamason

Makefile

@@ -58,7 +58,6 @@ check_clang:
 check_dragonegg:
 	cd test; python -m unittest -v test_base_driver test_dragonegg_driver
 
-
 zippity:
 	rm -rf doczip*; mkdir doczip;
 	cat README.md | pandoc -f markdown_github > doczip/index.html

wllvm/arglistfilter.py

@@ -226,6 +226,7 @@ def __init__(self, inputList, exactMatches={}, patternMatches={}):
             r'^-Wl,.+$' : (0, ArgumentListFilter.linkUnaryCallback),
             r'^-W(?!l,).*$' : (0, ArgumentListFilter.compileUnaryCallback),
             r'^-f.+$' : (0, ArgumentListFilter.compileUnaryCallback),
+            r'^-rtlib=.+$' : (0, ArgumentListFilter.linkUnaryCallback),
             r'^-std=.+$' : (0, ArgumentListFilter.compileUnaryCallback),
             r'^-mtune=.+$' : (0, ArgumentListFilter.compileUnaryCallback),
             r'^--sysroot=.+$' :  (0, ArgumentListFilter.compileUnaryCallback),
@@ -410,11 +411,12 @@ def getArtifactNames(self, srcFile, hidden=False):
 
     #iam: for printing our partitioning of the args
     def dump(self):
-        _logger.debug('compileArgs: %s\ninputFiles: %s\nlinkArgs: %s',
-                      self.compileArgs, self.inputFiles, self.linkArgs)
-        _logger.debug('objectFiles: %s\noutputFilename: %s',
-                      self.objectFiles, self.outputFilename)
+        efn = sys.stderr.write
+        efn('\ncompileArgs: {0}\ninputFiles: {1}\nlinkArgs: {2}\n'.format(
+            self.compileArgs, self.inputFiles, self.linkArgs))
+        efn('\nobjectFiles: {0}\noutputFilename: {1}\n'.format(
+                      self.objectFiles, self.outputFilename))
         for srcFile in self.inputFiles:
-            _logger.debug('srcFile: %s', srcFile)
+            efn('\nsrcFile: {0}\n'.format(srcFile))
             (objFile, bcFile) = self.getArtifactNames(srcFile)
-            _logger.debug('%s ===> (%s, %s)', srcFile, objFile, bcFile)
+            efn('\n{0} ===> ({1}, {2})\n'.format(srcFile, objFile, bcFile))