Changeset 743 for trunk/kBuild/gnumake-header.kmk

Timestamp:

Dec 17, 2006, 9:12:30 AM (19 years ago)

Author:

bird

Message:

set PATH_target early (i.e. in subheader/subfooter).

File:

• trunk/kBuild/gnumake-header.kmk (modified) (3 diffs)

trunk/kBuild/gnumake-header.kmk

@@ -33 +33 @@
 $(warning kBuild: Using vanilla GNU make isn't safe for anything but kBuild bootstrapping!)
 
+##
+# Pushes an item onto a 'stack' variable. 
+# @param    $1   The stack variable name
+# @param    $2   What to push.
+stack-push = $(eval $1 +=$2)
+
+##
+# Removes the top element from a 'stack' variable.
+# @returns  The popped element
+# @param    $1   The stack variable name
+stack-pop  = $(call stack-top,$1)$(call stack-popv,$1)
+
+##
+# Removes the top element from a 'stack' variable.
+# This does *NOT* return the top element, use 
+# @param    $1   The stack variable name
+# @remark This ain't very fast (that's why it's implemented in functions.c in kmk).
+stack-popv = $(eval $1:=$(wordlist 1,$(words $(wordlist 2,9999,$($1))),$($1)))
+
+##
+# Retrieves the top element from the 'stack' variable.
+# @param    $1   The stack variable name
+stack-top  = $(lastword $($1))
+
 
 #
-# Default variables.
+# Fix some default variables.
 #
 ifeq ($(MAKEFLAGS),$(MAKEFLAGS:R=x))
@@ -54 +78 @@
 
 #
-# Suffixes.
+# Zap suffixes.
 #
 .SUFFIXES:
@@ -60 +84 @@
 
 #
-# Implicit rules
+# Zap implicit rules
 #
 ifeq ($(MAKEFLAGS),$(MAKEFLAGS:r=x))