KWSys 2014-05-19 (c282e64f)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ c282e64f | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 6074f33f..c282e64f
Brad King (2):
      2e00d252 SystemTools: Port cygwin path conversion to modern API
      c282e64f Process: Workaround child kill trouble on Cygwin

Change-Id: I39a3ca47fbb4065eff922d94e6d7019c417ed75c

ProcessUNIX.c

@@ -2413,6 +2413,12 @@ static void kwsysProcessKill(pid_t process_id)
   /* Suspend the process to be sure it will not create more children.  */
   kill(process_id, SIGSTOP);
 
+#if defined(__CYGWIN__)
+  /* Some Cygwin versions seem to need help here.  Give up our time slice
+     so that the child can process SIGSTOP before we send SIGKILL.  */
+  usleep(1);
+#endif
+
   /* Kill all children if we can find them.  */
 #if defined(__linux__) || defined(__CYGWIN__)
   /* First try using the /proc filesystem.  */

SystemTools.cxx

@@ -92,7 +92,7 @@ extern char **environ;
 #endif
 
 #ifdef __CYGWIN__
-extern "C" void cygwin_conv_to_win32_path(const char *path, char *win32_path);
+# include <sys/cygwin.h>
 #endif
 
 // getpwnam doesn't exist on Windows and Cray Xt3/Catamount
@@ -1113,7 +1113,10 @@ bool SystemTools::PathCygwinToWin32(const char *path, char *win32_path)
     }
   else
     {
-    cygwin_conv_to_win32_path(path, win32_path);
+    if(cygwin_conv_path(CCP_POSIX_TO_WIN_A, path, win32_path, MAX_PATH) != 0)
+      {
+      win32_path[0] = 0;
+      }
     SystemToolsTranslationMap::value_type entry(path, win32_path);
     SystemTools::Cyg2Win32Map->insert(entry);
     }