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kconfig/streamline-config.pl: Simplify backslash line concatination 

Simplify the way lines ending with backslashes (continuation) in Makefiles
is parsed. This is needed to implement a necessary fix.

Tested-by: Thomas Lange <thomas-lange2@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-01-13 17:50:39 -05:00 committed by Steven Rostedt
parent 805a6af8db
commit d060d963e8
1 changed files with 12 additions and 13 deletions
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25
scripts/kconfig/streamline_config.pl
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@ -253,17 +253,22 @@ if ($kconfig) {
# Read all Makefiles to map the configs to the objects
foreach my $makefile (@makefiles) {
my $cont = 0;
my $line = "";
open(MIN,$makefile) || die "Can't open $makefile";
while (<MIN>) {
my $objs;
# is this a line after a line with a backslash?
if ($cont && /(\S.*)$/) {
$objs = $1;
# if this line ends with a backslash, continue
chomp;
if (/^(.*)\\$/) {
$line .= $1;
next;
}
$cont = 0;
$line .= $_;
$_ = $line;
$line = "";
my $objs;
# collect objects after obj-$(CONFIG_FOO_BAR)
if (/obj-\$\((CONFIG_[^\)]*)\)\s*[+:]?=\s*(.*)/) {
@ -271,12 +276,6 @@ foreach my $makefile (@makefiles) {
$objs = $2;
}
if (defined($objs)) {
# test if the line ends with a backslash
if ($objs =~ m,(.*)\\$,) {
$objs = $1;
$cont = 1;
}
foreach my $obj (split /\s+/,$objs) {
$obj =~ s/-/_/g;
if ($obj =~ /(.*)\.o$/) {