1 files changed, 18 insertions, 0 deletions
diff --git a/src/mcpp-options.c b/src/mcpp-options.c
index 62fafc6..8d0d8cd 100644
--- a/src/mcpp-options.c
+++ b/src/mcpp-options.c
@@ -139,6 +139,24 @@ mcpp_handle_options( mcpp_options *opts, int argc, char **argv )
     if( strcmp(arg, "--help") == 0 ) opts->help = 1;
     else if( strcmp(arg, "--version") == 0 ) opts->version = 1;
     else if( strcmp(arg, "--no-config") == 0 ) opts->no_config = 1;
+    else if( strncmp(arg, "--sys-root=", 11) == 0 )
+    {
+      if( arg[11] == 0 )
+      {
+        fprintf( stderr, "%s: empty path in '--sys-root='\n",
+                 opts->progname );
+        return( -1 );
+      }
+      opts->sys_root = arg + 11;
+      opts->no_config = 1;
+    }
+    else if( strcmp(arg, "--sys-root") == 0 )
+    {
+      value = option_argument(opts, argc, argv, &i, NULL, arg);
+      if( value == NULL || *value == 0 ) return( -1 );
+      opts->sys_root = value;
+      opts->no_config = 1;
+    }
     else if( strcmp(arg, "--config-file") == 0 )
     {
       value = option_argument(opts, argc, argv, &i, NULL, arg);