kconfig: Add LSMOD=file to override the lsmod for localmodconfig

[net-next-2.6.git] / scripts / kconfig / streamline_config.pl

diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index d7f7db73e587344740be8020ff5a93720930c836..afbd54ac1d832ed758bf959f6bbc6ae5fc59f6aa 100644 (file)
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -113,6 +113,7 @@ 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`;
 my %depends;
@@ -263,21 +264,36 @@ foreach my $makefile (@makefiles) {
 
 my %modules;
 
-# 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_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
-    $lsmod = "lsmod";
+    if (!defined($lsmod)) {
+       # try just the path
+       $lsmod = "lsmod";
+    }
+
+    open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod";
 }
 
-open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod";
 while (<LIN>) {
        next if (/^Module/);  # Skip the first line.
        if (/^(\S+)/) {