Support more coloring around gcc

Signed-off-by: Justin Lecher <jlec@gentoo.org>

conf.gcc

@@ -1,7 +1,7 @@
 # 
-regexp=\bgcc\b
-colours=yellow
-count=more
+regexp=\b(g?cc|[gc]\+\+|g?as|ld)\b
+colours=white bold
+count=once
 .........
 # 
 regexp=^[^:\s]*?:\d+:
@@ -15,6 +15,10 @@ count=once
 regexp=\`[A-Za-z0-9_():&*]+( const)?\'
 colours=magenta
 .........
+# compilation method modifiers
+regexp=\s\-(O\d?|f\S+|pthread|g\S*|c|W\S,\S+)\b
+colours=yellow
+.........
 # -O
 regexp=\-O\d 
 colours=green
@@ -27,7 +31,7 @@ colours=yellow
 # stderr to grcat 
 #
 # warning
-regexp=warning:.*
+regexp=[Ww]arning[:\b]
 colours=white
 .........
 regexp=warning:
@@ -35,7 +39,7 @@ colours=bold yellow
 count=once
 .........
 # error
-regexp=error:.*
+regexp=[Ee]rror[:\b]
 colours=bold white
 .........
 regexp=error:

grc.conf

@@ -19,7 +19,7 @@ conf.ping
 conf.traceroute
 
 # gcc command
-(^|[/\w\.]+/)g?cc\s
+(^|[/\w\.]+/)(g?cc|[gc]\+\+)\s
 conf.gcc
 
 # make command