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author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 18:11:53 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 18:11:53 -0300 |
commit | eb703027ac4ed563823e4d7824f68afed637d89a (patch) | |
tree | de35552440e7d2c7b74d0020c6a3cc1a8ed8b060 /scripts/headers_install.pl | |
parent | 429e90893c9ad2c266d541c94d6ca69a34a7701d (diff) | |
parent | 837b41b5de356aa67abb2cadb5eef3efc7776f91 (diff) |
Merge ../linux-2.6
Diffstat (limited to 'scripts/headers_install.pl')
-rw-r--r-- | scripts/headers_install.pl | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl new file mode 100644 index 00000000000..68591cd0873 --- /dev/null +++ b/scripts/headers_install.pl @@ -0,0 +1,45 @@ +#!/usr/bin/perl +# +# headers_install prepare the listed header files for use in +# user space and copy the files to their destination. +# +# Usage: headers_install.pl readdir installdir arch [files...] +# readdir: dir to open files +# installdir: dir to install the files +# arch: current architecture +# arch is used to force a reinstallation when the arch +# changes because kbuild then detect a command line change. +# files: list of files to check +# +# Step in preparation for users space: +# 1) Drop all use of compiler.h definitions +# 2) Drop include of compiler.h +# 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) { + my $tmpfile = "$installdir/$file.tmp"; + open(my $infile, '<', "$readdir/$file") + or die "$readdir/$file: $!\n"; + open(my $outfile, '>', "$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; + } + close $outfile; + close $infile; + system $unifdef . " $tmpfile > $installdir/$file"; + unlink $tmpfile; +} +exit 0; |