Enable colors in GCC 4.9

[Manuel López-Ibáñez]

GCC 4.9 supports colored diagnostics. Enabling them requires either using -fdiagnostics-color=auto or defining GCC_COLORS.

Ubuntu could enable colors in gcc by default just for those users who already use colors for ls/grep by patching the file /etc/skel/.bashrc with:

@@ -72,20 +72,21 @@
 # enable color support of ls and also add handy aliases
 if [ -x /usr/bin/dircolors ]; then
     test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
     alias ls='ls --color=auto'
     #alias dir='dir --color=auto'
     #alias vdir='vdir --color=auto'

     alias grep='grep --color=auto'
     alias fgrep='fgrep --color=auto'
     alias egrep='egrep --color=auto'
+ export GCC_COLORS=" "
 fi

 # some more ls aliases
 alias ll='ls -alF'
 alias la='ls -A'
 alias l='ls -CF'

 # Add an "alert" alias for long running commands. Use like so:
 # sleep 10; alert

[Hans Joachim Desserud (hjd)]

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