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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 17:59:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 17:59:02 -0800
commit1e6c4dfdeb040b2dd5c4d6d803ab95c3971ad80c (patch)
tree594366f7c9e9ab8a54d2b82121c8802b1950ead6 /scripts
parent51be08419dc86c72486ac556aa39bc01026a403d (diff)
parent364212fddaaa60c5a64f67a0f5624ad996ecc8a0 (diff)
downloadlinaro-lsk-1e6c4dfdeb040b2dd5c4d6d803ab95c3971ad80c.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig: kconfig/streamline-config.pl: Fix parsing Makefile with variables kconfig/streamline-config.pl: Simplify backslash line concatination
Diffstat (limited to 'scripts')
-rw-r--r--scripts/kconfig/streamline_config.pl52
1 files changed, 40 insertions, 12 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index ec7afce4c88..bccf07ddd0b 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -250,33 +250,61 @@ if ($kconfig) {
read_kconfig($kconfig);
}
+sub convert_vars {
+ my ($line, %vars) = @_;
+
+ my $process = "";
+
+ while ($line =~ s/^(.*?)(\$\((.*?)\))//) {
+ my $start = $1;
+ my $variable = $2;
+ my $var = $3;
+
+ if (defined($vars{$var})) {
+ $process .= $start . $vars{$var};
+ } else {
+ $process .= $start . $variable;
+ }
+ }
+
+ $process .= $line;
+
+ return $process;
+}
+
# Read all Makefiles to map the configs to the objects
foreach my $makefile (@makefiles) {
- my $cont = 0;
+ my $line = "";
+ my %make_vars;
open(MIN,$makefile) || die "Can't open $makefile";
while (<MIN>) {
+ # if this line ends with a backslash, continue
+ chomp;
+ if (/^(.*)\\$/) {
+ $line .= $1;
+ next;
+ }
+
+ $line .= $_;
+ $_ = $line;
+ $line = "";
+
my $objs;
- # is this a line after a line with a backslash?
- if ($cont && /(\S.*)$/) {
- $objs = $1;
- }
- $cont = 0;
+ $_ = convert_vars($_, %make_vars);
# collect objects after obj-$(CONFIG_FOO_BAR)
if (/obj-\$\((CONFIG_[^\)]*)\)\s*[+:]?=\s*(.*)/) {
$var = $1;
$objs = $2;
+
+ # check if variables are set
+ } elsif (/^\s*(\S+)\s*[:]?=\s*(.*\S)/) {
+ $make_vars{$1} = $2;
}
if (defined($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$/) {