Bug#281293: sloccount: Fix for #281293

[Ronald Aigner]

Package: sloccount
Version: 2.26-2.1
Followup-For: Bug #281293

attached is a patch that ignores files generated by autotools

-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.24.2
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

diff -u sloccount-2.26/break_filelist sloccount-2.26-autotool/break_filelist
--- sloccount-2.26/break_filelist       2004-08-01 06:17:28.000000000 +0200
+++ sloccount-2.26-autotool/break_filelist      2008-02-20 13:21:20.000000000 
+0100
@@ -149,6 +149,7 @@
 # .am automake input
 
 %file_extensions = (
+  "am" => "makefile",
   "c" => "ansic",
   "ec" => "ansic",   # Informix C.
   "ecp" => "ansic",  # Informix C.
@@ -966,6 +967,23 @@
      return "auto";
    }
 
+   # Skip files generated by auto-* tools. These can be identified by a
+   # matching file with an ".in" or ".am" extension.
+   if (-s "${file_to_examine}.in") {
+     print "Note: Auto-generated file $file_to_examine\n"
+         if $noisy;
+     return "auto";
+   }
+   if ($file_to_examine =~ m/\.in$/) {
+     $possible_auto = $file_to_examine;
+     $possible_auto =~ s/\.in$/\.am/;
+     if (-s "$possible_auto") {
+       print "Note: Auto-generated file $file_to_examine\n"
+           if $noisy;
+       return "auto";
+     }
+   }
+
    if (($basename eq "lex.yy.c") ||    # Flex/Lex output!
        ($basename eq "lex.yy.cc") ||   # Flex/Lex output - C++ scanner.
        ($basename eq "y.code.c") ||    # yacc/bison output.
@@ -1013,6 +1031,8 @@
    if (($file_to_examine =~ m/\bmakefile$/i) ||
         ($file_to_examine =~ m/\bmakefile\.txt$/i) ||
         ($file_to_examine =~ m/\bmakefile\.pc$/i) ||
+        ($file_to_examine =~ m/\bmakefile\.in$/i) ||
+        ($file_to_examine =~ m/\bmakefile\.am$/i) ||
         ($file_to_examine =~ m/\bdebian\/rules$/i)) {  # "debian/rules" too.
       return "makefile";
    }