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-rw-r--r--scripts/kconfig/Makefile14
-rw-r--r--scripts/kconfig/streamline_config.pl68
-rw-r--r--scripts/kconfig/util.c2
3 files changed, 75 insertions, 9 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 75bdf5ae202c..7cdae39b8f09 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -33,8 +33,17 @@ silentoldconfig: $(obj)/conf
$(Q)mkdir -p include/generated
$< -s $(Kconfig)
+# if no path is given, then use src directory to find file
+ifdef LSMOD
+LSMOD_F := $(LSMOD)
+ifeq ($(findstring /,$(LSMOD)),)
+ LSMOD_F := $(objtree)/$(LSMOD)
+endif
+endif
+
localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
- $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
+ $(Q)mkdir -p include/generated
+ $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
$(Q)if [ -f .config ]; then \
cmp -s .tmp.config .config || \
(mv -f .config .config.old.1; \
@@ -48,7 +57,8 @@ localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
$(Q)rm -f .tmp.config
localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
- $(Q)perl $< $(srctree) $(Kconfig) > .tmp.config
+ $(Q)mkdir -p include/generated
+ $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
$(Q)sed -i s/=m/=y/ .tmp.config
$(Q)if [ -f .config ]; then \
cmp -s .tmp.config .config || \
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 0d800820c3cd..c70a27d924f0 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -113,14 +113,19 @@ find_config;
# Get the build source and top level Kconfig file (passed in)
my $ksource = $ARGV[0];
my $kconfig = $ARGV[1];
+my $lsmod_file = $ARGV[2];
+
+my @makefiles = `find $ksource -name Makefile 2>/dev/null`;
+chomp @makefiles;
-my @makefiles = `find $ksource -name Makefile`;
my %depends;
my %selects;
my %prompts;
my %objects;
my $var;
my $cont = 0;
+my $iflevel = 0;
+my @ifdeps;
# prevent recursion
my %read_kconfigs;
@@ -146,6 +151,15 @@ sub read_kconfig {
$state = "NEW";
$config = $1;
+ for (my $i = 0; $i < $iflevel; $i++) {
+ if ($i) {
+ $depends{$config} .= " " . $ifdeps[$i];
+ } else {
+ $depends{$config} = $ifdeps[$i];
+ }
+ $state = "DEP";
+ }
+
# collect the depends for the config
} elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
$state = "DEP";
@@ -166,6 +180,21 @@ sub read_kconfig {
# note if the config has a prompt
$prompt{$config} = 1;
+ # Check for if statements
+ } elsif (/^if\s+(.*\S)\s*$/) {
+ my $deps = $1;
+ # remove beginning and ending non text
+ $deps =~ s/^[^a-zA-Z0-9_]*//;
+ $deps =~ s/[^a-zA-Z0-9_]*$//;
+
+ my @deps = split /[^a-zA-Z0-9_]+/, $deps;
+
+ $ifdeps[$iflevel++] = join ':', @deps;
+
+ } elsif (/^endif/) {
+
+ $iflevel-- if ($iflevel);
+
# stop on "help"
} elsif (/^\s*help\s*$/) {
$state = "NONE";
@@ -188,7 +217,6 @@ if ($kconfig) {
# Read all Makefiles to map the configs to the objects
foreach my $makefile (@makefiles) {
- chomp $makefile;
open(MIN,$makefile) || die "Can't open $makefile";
while (<MIN>) {
@@ -215,7 +243,7 @@ foreach my $makefile (@makefiles) {
foreach my $obj (split /\s+/,$objs) {
$obj =~ s/-/_/g;
if ($obj =~ /(.*)\.o$/) {
- # Objects may bes enabled by more than one config.
+ # Objects may be enabled by more than one config.
# Store configs in an array.
my @arr;
@@ -237,8 +265,36 @@ foreach my $makefile (@makefiles) {
my %modules;
-# see what modules are loaded on this system
-open(LIN,"/sbin/lsmod|") || die "Cant lsmod";
+if (defined($lsmod_file)) {
+ if ( ! -f $lsmod_file) {
+ die "$lsmod_file not found";
+ }
+ if ( -x $lsmod_file) {
+ # the file is executable, run it
+ open(LIN, "$lsmod_file|");
+ } else {
+ # Just read the contents
+ open(LIN, "$lsmod_file");
+ }
+} else {
+
+ # see what modules are loaded on this system
+ my $lsmod;
+
+ foreach $dir ( ("/sbin", "/bin", "/usr/sbin", "/usr/bin") ) {
+ if ( -x "$dir/lsmod" ) {
+ $lsmod = "$dir/lsmod";
+ last;
+ }
+}
+ if (!defined($lsmod)) {
+ # try just the path
+ $lsmod = "lsmod";
+ }
+
+ open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod";
+}
+
while (<LIN>) {
next if (/^Module/); # Skip the first line.
if (/^(\S+)/) {
@@ -252,7 +308,7 @@ close (LIN);
my %configs;
foreach my $module (keys(%modules)) {
if (defined($objects{$module})) {
- @arr = @{$objects{$module}};
+ my @arr = @{$objects{$module}};
foreach my $conf (@arr) {
$configs{$conf} = $module;
}
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 81c100d953ef..78b5c04e736b 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -72,7 +72,7 @@ int file_write_dep(const char *name)
}
-/* Allocate initial growable sting */
+/* Allocate initial growable string */
struct gstr str_new(void)
{
struct gstr gs;