From bd7b1799dc0a22cf13fcd82584c06ed8c67e1117 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Wed, 11 Apr 2012 13:36:42 +0200
Subject: [PATCH] Document $cc_regex;

---
 bin/blhc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bin/blhc b/bin/blhc
index 518626d..4682d9b 100755
--- a/bin/blhc
+++ b/bin/blhc
@@ -31,8 +31,9 @@ our $VERSION = '0.01';
 
 # Regex to catch compiler commands.
 my $cc_regex = qr/
-    (?<!\.)(?:cc|gcc|g\+\+|c\+\+)
-    (?:-[\d.]+)?
+    (?<!\.)                # ignore file names, e.g. "test.gcc"
+    (?:cc|gcc|g\+\+|c\+\+)
+    (?:-[\d.]+)?           # version suffix, e.g. "gcc-4.6"
     /x;
 # Full regex which matches the complete compiler name. Used in a few places to
 # prevent false negatives.
-- 
2.43.2