blob: cce8c0c6d977ece9de8ad6d3690a16eabce81a24 (
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#!/usr/bin/perl
$| = 1;
sub writefile($@){
my ($file, @lines) = @_;
sleep(1);
open(F, ">$file") || die "open >$file: $!";
print F @lines;
close(F);
}
# Cut out #include lines that don't contribute anything.
for($i=0; $i<@ARGV; $i++){
$file = $ARGV[$i];
if(!open(F, $file)){
print STDERR "open $file: $!\n";
next;
}
@lines = <F>;
close(F);
$obj = "$file.o";
$obj =~ s/\.c\.o$/.o/;
system("touch $file");
if(system("make CC='gcc -Werror' $obj >/dev/null 2>\&1") != 0){
print STDERR "make $obj failed: $rv\n";
next;
}
system("cp $file =$file");
for($j=@lines-1; $j>=0; $j--){
if($lines[$j] =~ /^#include/){
$old = $lines[$j];
$lines[$j] = "/* CUT-H */\n";
writefile($file, @lines);
if(system("make CC='gcc -Werror' $obj >/dev/null 2>\&1") != 0){
$lines[$j] = $old;
}else{
print STDERR "$file $old";
}
}
}
writefile($file, grep {!/CUT-H/} @lines);
system("rm =$file");
}
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