aboutsummaryrefslogtreecommitdiff
path: root/scripts/headers_install.pl
diff options
context:
space:
mode:
authorJeremy Huntwork <jhuntwork@lightcubesolutions.com>2008-10-29 14:20:13 -0700
committerSam Ravnborg <sam@ravnborg.org>2008-10-29 22:38:37 +0100
commit15a2ee74d22674c58f347b16b3af5601fa4e15db (patch)
treee436c0e4d47485eda5256ad3c3a6b29ca0f3e2ff /scripts/headers_install.pl
parentde2addf592894b31b8149cca008f00d8102401e9 (diff)
downloadvexpress-lsk-15a2ee74d22674c58f347b16b3af5601fa4e15db.tar.gz
Fix incompatibility with versions of Perl less than 5.6.0
Fix headers_install.pl and headers_check.pl to be compatible with versions of Perl less than 5.6.0. It has been tested with Perl 5.005_03 and 5.8.8. I realize this may not be an issue for most people, but there will still be some that hit it, I imagine. There are three basic issues: 1. Prior to 5.6.0 open() only used 2 arguments, and the versions of the scripts in 2.6.27.1 use 3. 2. 5.6.0 also introduced the ability to use uninitialized scalar variables as file handles, which the current scripts make use of. 3. Lastly, 5.6.0 also introduced the pragma 'use warnings'. We can use the -w switch and be backwards compatible. Signed-off-by: Jeremy Huntwork <jhuntwork@lightcubesolutions.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/headers_install.pl')
-rw-r--r--scripts/headers_install.pl17
1 files changed, 9 insertions, 8 deletions
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
index 68591cd0873..7d2b4146e02 100644
--- a/scripts/headers_install.pl
+++ b/scripts/headers_install.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -w
#
# headers_install prepare the listed header files for use in
# user space and copy the files to their destination.
@@ -17,28 +17,29 @@
# 3) Drop all sections defined out by __KERNEL__ (using unifdef)
use strict;
-use warnings;
my ($readdir, $installdir, $arch, @files) = @ARGV;
my $unifdef = "scripts/unifdef -U__KERNEL__";
foreach my $file (@files) {
+ local *INFILE;
+ local *OUTFILE;
my $tmpfile = "$installdir/$file.tmp";
- open(my $infile, '<', "$readdir/$file")
+ open(INFILE, "<$readdir/$file")
or die "$readdir/$file: $!\n";
- open(my $outfile, '>', "$tmpfile") or die "$tmpfile: $!\n";
- while (my $line = <$infile>) {
+ open(OUTFILE, ">$tmpfile") or die "$tmpfile: $!\n";
+ while (my $line = <INFILE>) {
$line =~ s/([\s(])__user\s/$1/g;
$line =~ s/([\s(])__force\s/$1/g;
$line =~ s/([\s(])__iomem\s/$1/g;
$line =~ s/\s__attribute_const__\s/ /g;
$line =~ s/\s__attribute_const__$//g;
$line =~ s/^#include <linux\/compiler.h>//;
- printf $outfile "%s", $line;
+ printf OUTFILE "%s", $line;
}
- close $outfile;
- close $infile;
+ close OUTFILE;
+ close INFILE;
system $unifdef . " $tmpfile > $installdir/$file";
unlink $tmpfile;
}