1 files changed, 35 insertions, 0 deletions
diff --git a/tools/build/v2/engine/variable.h b/tools/build/v2/engine/variable.h
new file mode 100644
index 0000000000..5c49e3ca55
--- /dev/null
+++ b/tools/build/v2/engine/variable.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 1993, 2000 Christopher Seiwald.
+ *
+ * This file is part of Jam - see jam.c for Copyright information.
+ */
+
+/*
+ * variable.h - handle jam multi-element variables
+ */
+
+struct hash;
+
+void    var_defines( char* const *e, int preprocess );
+int     var_string( char *in, char *out, int outsize, LOL *lol );
+LIST *  var_get( char *symbol );
+void    var_set( char *symbol, LIST *value, int flag );
+LIST *  var_swap( char *symbol, LIST *value );
+void    var_done();
+void    var_hash_swap( struct hash** );
+
+/** Expands the "in" expression directly into the "out" file.
+    The file can be one of: a path, STDOUT, or STDERR to send
+    the output to a file overwriting previous content, to
+    the console, or to the error output respectively.
+*/
+void var_string_to_file( const char * in, int insize, const char * out, LOL * lol );
+
+/*
+ * Defines for var_set().
+ */
+
+# define VAR_SET    0   /* override previous value */
+# define VAR_APPEND 1   /* append to previous value */
+# define VAR_DEFAULT    2   /* set only if no previous value */
+