Changeset 1934 for trunk/src/kmk/commands.c

Timestamp:

Oct 25, 2008, 12:24:02 AM (17 years ago)

Author:

bird

Message:

kmk: Implemented lazy resolving of $+, $^{, $? and $|. This saves > 30% memory and also a bit of time.}

File:

• trunk/src/kmk/commands.c (modified) (3 diffs)

trunk/src/kmk/commands.c

@@ -26 +26 @@
 #include <windows.h>
 #include "w32err.h"
+#endif
+#ifdef CONFIG_WITH_LAZY_DEPS_VARS
+# include <assert.h>
 #endif
 
@@ -175 +178 @@
 #endif /* CONFIG_WITH_RDONLY_VARIABLE_VALUE */
 
+#ifndef CONFIG_WITH_LAZY_DEPS_VARS
   /* Compute the values for $^, $+, $?, and $|.  */
 
@@ -317 +321 @@
   }
 
+#else  /* CONFIG_WITH_LAZY_DEPS_VARS */
+
+  /* Make a copy of the current dependency chain for later use in
+     potential $(dep-pluss $@) calls.  Then drop duplicate deps.  */
+
+  /* assert (file->org_deps == NULL); - FIXME? */
+  free_dep_chain (file->org_deps);
+  file->org_deps = copy_dep_chain (file->deps);
+
+  uniquize_deps (file->deps);
+
+#endif /* CONFIG_WITH_LAZY_DEPS_VARS */
 #undef  DEFINE_VARIABLE
 }