run and colour output of gcc/ld

build script

#!/usr/bin/perl

$t = shift;
print "* $t" . "." x (50 - length $t);

($a, $b, $c) = ("\033[", ";01m", "\033[0m");

$_ = `@ARGV 2>\&1` || '';

s{
    (?:^|(?<=\n))
    (   (?:[^\n:]+:[^\n]+\n)?
        [^\n:]+:\d+:\d+:\s+(\w+):[^\n]+\n
    )
}{
    $a . { error => 31, warning => 33, note => 36 }->{$2} . "$b$1$c"
}gsex;

print $? ? "${a}31${b}error$c\n" :
      $_ ? "${a}33${b}warnings$c\n" :
           "${a}32${b}success$c\n",
      $? ? "${a}34$b@ARGV$c\n" : '',
      $_;

exit $? >> 8;

Example use in Makefile

build/%.o: src/%.[cs]
	@mkdir -p `dirname $@` 
	@build-scripts/build $< $(CC) $(CFLAGS) -c $< -o $@

target/%: build/root_tasks/%.o $(OBJECTS)
	@mkdir -p target
	@build-scripts/build "linking $@" $(LD) $(LDFLAGS) -o $@ $^