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changed most assignments from ":=" to "=" to allow setting some variables

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at the command line (this is also needed for cross-compilation)
This commit is contained in:
Robert Griebl 2002-12-16 21:55:39 +00:00
parent 275be87be7
commit 53f133ac33
1 changed files with 17 additions and 17 deletions
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34
Rules.mak
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@ -36,21 +36,21 @@ BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")
# your compiler is broken, you should not need to specify TARGET_ARCH # your compiler is broken, you should not need to specify TARGET_ARCH
CROSS =$(subst ",, $(strip $(CROSS_COMPILER_PREFIX))) CROSS =$(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))
CC = $(CROSS)gcc CC = $(CROSS)gcc
AR := $(CROSS)ar AR = $(CROSS)ar
AS := $(CROSS)as AS = $(CROSS)as
LD := $(CROSS)ld LD = $(CROSS)ld
NM := $(CROSS)nm NM = $(CROSS)nm
STRIP := $(CROSS)strip STRIP = $(CROSS)strip
CPP := $(CC) -E CPP = $(CC) -E
MAKEFILES := $(TOPDIR).config MAKEFILES = $(TOPDIR).config
# What OS are you compiling busybox for? This allows you to include # What OS are you compiling busybox for? This allows you to include
# OS specific things, syscall overrides, etc. # OS specific things, syscall overrides, etc.
TARGET_OS:=linux TARGET_OS=linux
# Select the compiler needed to build binaries for your development system # Select the compiler needed to build binaries for your development system
HOSTCC := gcc HOSTCC = gcc
HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer HOSTCFLAGS= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
# If you want to add some simple compiler switches (like -march=i686), # If you want to add some simple compiler switches (like -march=i686),
# especially from the command line, use this instead of CFLAGS directly. # especially from the command line, use this instead of CFLAGS directly.
@ -60,7 +60,7 @@ CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS)))
# If you have a "pristine" source directory, point BB_SRC_DIR to it. # If you have a "pristine" source directory, point BB_SRC_DIR to it.
# Experimental and incomplete; tell the mailing list # Experimental and incomplete; tell the mailing list
# <busybox@busybox.net> if you do or don't like it so far. # <busybox@busybox.net> if you do or don't like it so far.
BB_SRC_DIR:= BB_SRC_DIR=
# To compile vs some other alternative libc, you may need to use/adjust # To compile vs some other alternative libc, you may need to use/adjust
# the following lines to meet your needs... # the following lines to meet your needs...
@ -80,9 +80,9 @@ BB_SRC_DIR:=
#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR) #CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
#GCCINCDIR:=$(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp") #GCCINCDIR:=$(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
WARNINGS:=-Wall -Wstrict-prototypes -Wshadow WARNINGS=-Wall -Wstrict-prototypes -Wshadow
CFLAGS:=-I$(TOPDIR)include CFLAGS=-I$(TOPDIR)include
ARFLAGS:=-r ARFLAGS=-r
#-------------------------------------------------------- #--------------------------------------------------------
export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
@ -116,8 +116,8 @@ check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1;
# for OPTIMIZATION... # for OPTIMIZATION...
# use '-Os' optimization if available, else use -O2 # use '-Os' optimization if available, else use -O2
OPTIMIZATION:= OPTIMIZATION=
OPTIMIZATION+=${call check_gcc,-Os,-O2} OPTIMIZATION=${call check_gcc,-Os,-O2}
# Some nice architecture specific optimizations # Some nice architecture specific optimizations
ifeq ($(strip $(TARGET_ARCH)),arm) ifeq ($(strip $(TARGET_ARCH)),arm)
@ -129,7 +129,7 @@ ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\ OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\
-malign-functions=0 -malign-jumps=0 -malign-loops=0) -malign-functions=0 -malign-jumps=0 -malign-loops=0)
endif endif
OPTIMIZATIONS:=$(OPTIMIZATION) -fomit-frame-pointer OPTIMIZATIONS=$(OPTIMIZATION) -fomit-frame-pointer
# #
#-------------------------------------------------------- #--------------------------------------------------------