1 # Rules.make for uClibc
3 # This file contains rules which are shared between multiple Makefiles. All
4 # normal configuration options live in the file named "Config". You probably
5 # should not mess with this file unless you know what you are doing... -Erik
6 # Andersen <andersen@lineo.com> < andersee@debian.org>
8 # Copyright (C) 2000 by Lineo, inc.
10 # This program is free software; you can redistribute it and/or modify it under
11 # the terms of the GNU Library General Public License as published by the Free
12 # Software Foundation; either version 2 of the License, or (at your option) any
15 # This program is distributed in the hope that it will be useful, but WITHOUT
16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
20 # You should have received a copy of the GNU Library General Public License
21 # along with this program; if not, write to the Free Software Foundation, Inc.,
22 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 include $(TOPDIR)Config
27 GCCINCDIR = $(shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
31 CCFLAGS=$(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) -Dlinux -D__linux__ -I$(TOPDIR)include -I$(GCCINCDIR) -I. -D__LIBC__
33 ifeq ($(TARGET_ARCH), arm)
37 CFLAGS=$(ARCH_CFLAGS) $(CCFLAGS) $(DEFS)
39 ifeq ($(DODEBUG),true)
40 CFLAGS += $(WARNINGS) -g
41 LDFLAGS = -nostdlib -Wl,-warn-common
42 STRIPTOOL = /bin/true -Since_we_are_debugging
44 CFLAGS += $(WARNINGS) #-fomit-frame-pointer
45 LDFLAGS = -s -nostdlib -Wl,-warn-common
49 PREFIX = `pwd`/_install
52 ifneq ($(HAS_MMU),true)
53 CFLAGS += -D__HAS_NO_MMU__
54 ARCH_DIR = $(shell echo $(TARGET_ARCH)nommu)
56 ARCH_DIR = $(TARGET_ARCH)
59 ifneq ($(HAS_FLOATS),true)
60 CFLAGS += -D__HAS_NO_FLOATS__
65 # Use '-ffunction-sections -fdata-sections' and '--gc-sections' if they work
66 # to try and strip out any unused junk automagically....
68 ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
69 -o /dev/null -xc /dev/null && $(LD) --gc-sections -v >/dev/null && echo 1),1)
70 CFLAGS += -ffunction-sections -fdata-sections
71 LDFLAGS += --gc-sections