Index: tools/scan-build/ccc-analyzer
===================================================================
--- tools/scan-build/ccc-analyzer
+++ tools/scan-build/ccc-analyzer
@@ -158,28 +158,18 @@
   my $mode = shift;
   my $Args = shift;
 
-  pipe (FROM_CHILD, TO_PARENT);
-  my $pid = fork();
-  if ($pid == 0) {
-    close FROM_CHILD;
-    open(STDOUT,">&", \*TO_PARENT);
-    open(STDERR,">&", \*TO_PARENT);
-    exec $Clang, "-###", $mode, @$Args;
-  }
-  close(TO_PARENT);
-  my $line;
-  while (<FROM_CHILD>) {
+  my $ClangLine;
+  my $ExecLine = join(' ', qq/"$Clang"/, "-###", $mode, @$Args, "2>&1", "|");
+  open(PS, $ExecLine);
+  while ( <PS> ) {
     next if (!/\s"?-cc1"?\s/);
-    $line = $_;
+    $ClangLine = $_;
   }
 
-  waitpid($pid,0);
-  close(FROM_CHILD);
-
-  die "could not find clang line\n" if (!defined $line);
+  die "could not find clang line\n" if (!defined $ClangLine);
   # Strip leading and trailing whitespace characters.
-  $line =~ s/^\s+|\s+$//g;
-  my @items = quotewords('\s+', 0, $line);
+  $ClangLine =~ s/^\s+|\s+$//g;
+  my @items = quotewords('\s+', 0, $ClangLine);
   my $cmd = shift @items;
   die "cannot find 'clang' in 'clang' command\n" if (!($cmd =~ /clang/));
   return \@items;
@@ -259,27 +249,16 @@
   # Capture the STDOUT of clang and reroute it to ccc-analyzer's STDERR.
   # We save the output file in the 'crashes' directory if clang encounters
   # any problems with the file.
-  pipe (FROM_CHILD, TO_PARENT);
-  my $pid = fork();
-  if ($pid == 0) {
-    close FROM_CHILD;
-    open(STDOUT,">&", \*TO_PARENT);
-    open(STDERR,">&", \*TO_PARENT);
-    exec $Cmd, @CmdArgs;
-  }
-
-  close TO_PARENT;
   my ($ofh, $ofile) = tempfile("clang_output_XXXXXX", DIR => $HtmlDir);
-
-  while (<FROM_CHILD>) {
+  my $ExecLine = join(' ', qq/"$Cmd"/, @CmdArgs, "2>&1", "|");
+  open(PS, $ExecLine);
+  while ( <PS> ) {
     print $ofh $_;
     print STDERR $_;
   }
-  close $ofh;
-
-  waitpid($pid,0);
-  close(FROM_CHILD);
+  close PS;
   my $Result = $?;
+  close $ofh;
 
   # Did the command die because of a signal?
   if ($ReportFailures) {
Index: tools/scan-build/scan-build
===================================================================
--- tools/scan-build/scan-build
+++ tools/scan-build/scan-build
@@ -1232,16 +1232,9 @@
   }
   my %EnabledCheckers;
   foreach my $lang ("c", "objective-c", "objective-c++", "c++") {
-    pipe(FROM_CHILD, TO_PARENT);
-    my $pid = fork();
-    if ($pid == 0) {
-      close FROM_CHILD;
-      open(STDOUT,">&", \*TO_PARENT);
-      open(STDERR,">&", \*TO_PARENT);
-      exec $Clang, ( @PluginLoadCommandline_xclang, '--analyze', '-x', $lang, '-', '-###');
-    }
-    close(TO_PARENT);
-    while(<FROM_CHILD>) {
+    my $ExecLine = join(' ', qq/"$Clang"/, @PluginLoadCommandline_xclang, '--analyze', '-x', "$lang", '-', '-###', '2>&1', '|');
+    open(PS, $ExecLine);
+    while (<PS>) {
       foreach my $val (split /\s+/) {
         $val =~ s/\"//g;
         if ($val =~ /-analyzer-checker\=([^\s]+)/) {
@@ -1249,23 +1242,14 @@
         }
       }
     }
-    waitpid($pid,0);
-    close(FROM_CHILD);
   }
 
   # Query clang for complete list of checkers.
   if (defined $Clang && -x $Clang) {
-    pipe(FROM_CHILD, TO_PARENT);
-    my $pid = fork();
-    if ($pid == 0) {
-      close FROM_CHILD;
-      open(STDOUT,">&", \*TO_PARENT);
-      open(STDERR,">&", \*TO_PARENT);
-      exec $Clang, ('-cc1', @PluginsToLoad , '-analyzer-checker-help');
-    }
-    close(TO_PARENT);
+    my $ExecLine = join(' ', qq/"$Clang"/, '-cc1', @PluginsToLoad, '-analyzer-checker-help', '2>&1', '|');    
+    open(PS, $ExecLine);
     my $foundCheckers = 0;
-    while(<FROM_CHILD>) {
+    while (<PS>) {
       if (/CHECKERS:/) {
         $foundCheckers = 1;
         last;
@@ -1277,7 +1261,7 @@
     else {
       print("\nAVAILABLE CHECKERS:\n\n");
       my $skip = 0;
-      while(<FROM_CHILD>) {
+       while(<PS>) {
         if (/experimental/) {
           $skip = 1;
           next;
@@ -1314,10 +1298,8 @@
         }
         print $_;
       }
-      print "\nNOTE: \"+\" indicates that an analysis is enabled by default.\n"
+      print "\nNOTE: \"+\" indicates that an analysis is enabled by default.\n";
     }
-    waitpid($pid,0);
-    close(FROM_CHILD);
   }
 
 print <<ENDTEXT