From 4edd1b10696a178f5792d7b578dc0ab150b575af Mon Sep 17 00:00:00 2001 From: Cheng Renquan Date: Mon, 11 May 2009 16:58:31 +0800 Subject: [PATCH] Kbuild: remove extra ifdef/endif of top Makefile the gnumake origin function know undefine'd variable well, so the outer ifdef/endif is unneeded. Signed-off-by: Cheng Renquan --- Makefile | 26 +++++++++----------------- 1 files changed, 9 insertions(+), 17 deletions(-) diff --git a/Makefile b/Makefile index 9b2b58c..3798f26 100644 --- a/Makefile +++ b/Makefile @@ -35,10 +35,8 @@ MAKEFLAGS += -rR --no-print-directory # To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands -ifdef V - ifeq ("$(origin V)", "command line") - KBUILD_VERBOSE = $(V) - endif +ifeq ("$(origin V)", "command line") + KBUILD_VERBOSE = $(V) endif ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 @@ -54,10 +52,8 @@ endif # See the file "Documentation/sparse.txt" for more details, including # where to get the "sparse" utility. -ifdef C - ifeq ("$(origin C)", "command line") - KBUILD_CHECKSRC = $(C) - endif +ifeq ("$(origin C)", "command line") + KBUILD_CHECKSRC = $(C) endif ifndef KBUILD_CHECKSRC KBUILD_CHECKSRC = 0 @@ -69,12 +65,10 @@ endif ifdef SUBDIRS KBUILD_EXTMOD ?= $(SUBDIRS) endif -ifdef M - ifeq ("$(origin M)", "command line") - KBUILD_EXTMOD := $(M) - endif -endif +ifeq ("$(origin M)", "command line") + KBUILD_EXTMOD := $(M) +endif # kbuild supports saving output files in a separate directory. # To locate output files in a separate directory two syntaxes are supported. @@ -98,10 +92,8 @@ ifeq ($(KBUILD_SRC),) # OK, Make called in directory where kernel src resides # Do we want to locate output files in a separate directory? -ifdef O - ifeq ("$(origin O)", "command line") - KBUILD_OUTPUT := $(O) - endif +ifeq ("$(origin O)", "command line") + KBUILD_OUTPUT := $(O) endif # That's our default target when none is given on the command line -- 1.6.1.3