4 files changed, 78 insertions, 12 deletions

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index c0e459e2b014..de934def410f 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -33,9 +33,18 @@ silentoldconfig: $(obj)/conf
         $(Q)mkdir -p include/generated
         $< --$@ $(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)if [ -f .config ]; then                                     \
+        $(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;                   \
                          mv -f .tmp.config .config;                     \
@@ -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
         $(Q)if [ -f .config ]; then                                     \
                         cmp -s .tmp.config .config ||                   \
@@ -212,7 +222,7 @@ HOSTCFLAGS_zconf.tab.o	:= -I$(src)
 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS) -ldl
 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
 
-HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
+HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
                           -D LKC_DIRECT_LINK
 
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 115edb437fb1..a9d9344e1365 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -226,7 +226,7 @@ void fill_window(WINDOW *win, const char *text)
                 int len = get_line_length(line);
                 strncpy(tmp, line, min(len, x));
                 tmp[len] = '\0';
-                mvwprintw(win, i, 0, tmp);
+                mvwprintw(win, i, 0, "%s", tmp);
         }
 }
 
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;