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# Library Configuration rules for uClibc for CRIS (Axis Etrax CPU)
#
# This file contains rules which are shared between multiple Makefiles. Feel
# free to adjust to taste...
# -Erik Andersen <andersen@lineo.com> <andersee@debian.org>
#
# Copyright (C) 2000 by Lineo, inc.
# (C) 2002 by Axis Communications AB
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Library General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
# details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Derived in part from the Linux-8086 C library, the GNU C Library, and several
# other sundry sources. Files within this library are copyright by their
# respective copyright holders.
# Target architecture
TARGET_ARCH = cris
# Target specific things to add to CFLAGS
ARCH_CFLAGS = -fpic -mlinux -D__USE_WEAK_ALIASES
# Target specific things to add to LDFLAGS
ARCH_LDFLAGS = -mcrislinux
# Target specific optins needed when asking $(CROSS)gcc about libgcc.a
LIBGCC_CFLAGS = -mlinux
# If you are running a cross compiler, you may want to set this
# to something more interesting...
NATIVE_CC = gcc
CROSS = cris-
CC = $(CROSS)gcc
AR = $(CROSS)ar
LD = $(CROSS)ld
STRIPTOOL = $(CROSS)strip
# STRIPTOOL = /bin/true
# Compiler warnings you want to see
WARNINGS=-Wall
# Note that the kernel source you use to compile with should be the same as the
# Linux kernel you run your apps on. uClibc doesn't even try to achieve binary
# compatibility across kernel versions. So don't expect, for example, uClibc
# compiled with Linux kernel 2.0.x to implement lchown properly, since 2.0.x
# can't do that. Similarly, if you compile uClibc vs Linux 2.4.x kernel headers,
# but then run on Linux 2.0.x, lchown will be compiled into uClibc, but won't
# work at all. You have been warned.
KERNEL_SOURCE=$(AXIS_KERNEL_DIR)
# Disable this if your CPU has a memory management unit (MMU)
HAS_MMU = true
# Set this to 'false' if basic floating support isn't needed in
# libc (strtod, printf, scanf). It this isn't true, libm will no
# be built
HAS_FLOATING_POINT = true
# Set to 'true' if the math library should contain the full C99 math
# functions. This adds a few K's..
DO_C99_MATH = false
# Set this to `false' if you don't have/need doubles. This primarily
# effects libm, which gets quite a bit larger, but also effects several
# other places. Set it to `true' otherwise.
HAS_DOUBLE = false
# Set this to `false' if you don't have/need long doubles. This primarily
# effects libm, which gets quite a bit larger. Set it to `true' otherwise.
HAS_LONG_DOUBLE = false
# Set this to 'false if you don't need shadow password support.
HAS_SHADOW = false
# Set this to `false' if you don't have/need locale support; `true' otherwise.
# Note: Currently only affects the ctype functions. You must also generate
# a locale file for anything but the C locale. See directory extra/locale for
# a utility to do so. Also see the following option.
HAS_LOCALE = false
# Set this to the path of your uClibc locale file directory.
# Warning! This must be different than the glibc locale directory to avoid
# name conflicts, as the locale files are entirely different in format!
LOCALE_DIR = "/usr/share/uClibc-locale/"
# Set the following to `true' to make a debuggable build.
# Do not enable this for production builds...
DODEBUG = false
# This specifies which malloc implementation is used.
# "malloc-simple" is very, very small, but is also very, very dumb
# and does not try to make good use of memory or clean up after itself.
#
# "malloc" on the other hand is a bit bigger, but is pretty smart thereby
# minimizing memory wastage and reusing already allocated memory. This
# can be lots faster and safer IMHO.
#
# "malloc-930716" is from libc-5.3.12 and was/is the standard gnu malloc.
# It is actually smaller than "malloc", at least on i386. Right now, it
# only works on i386 (and maybe m68k) because it needs sbrk.
#MALLOC = malloc-simple
#MALLOC = malloc
MALLOC = malloc-930716
# If you want to collect common syscall code into one function, set to
# true. On i386 this saves about than 2.8k over all syscalls.
# The idea came from the implementation in dietlibc.
# At present, only affects i386.
UNIFIED_SYSCALL = false
# If you want large file summit support (greater then 2 Gib),
# turn this on. This has no effect unless your kernel supports
# lfs. This currently does nothing, but may someday...
DOLFS = false
# Posix regular expression code is really big -- 27k all by itself.
# If you don't use regular expressions, turn this off and save space.
# Of course, if you only staticly link, leave this on, since it will
# only be included in your apps if you use regular expressions.
INCLUDE_REGEX = true
# If you want to include RPC support, enable this. RPC is almost never used
# for anything except NFS support, so unless you plan to use NFS, leave this
# disabled. This is off by default.
INCLUDE_RPC = true
# If you want to include support for the next version of the Internet
# Protocol: IP version 6, enable this. This is off by default.
INCLUDE_IPV6 = false
# If you want to support only Unix 98 PTYs enable this. Some older
# applications may need this disabled. For most current programs,
# you can generally leave this true.
UNIX98PTY_ONLY = true
# Enable this if /dev/pts is on a devpts or devfs file system. Both
# these filesystems automatically manage permissions on the /dev/pts
# devices. You may need to mount this fs on /dev/pts for this to work.
# This is true by default.
ASSUME_DEVPTS = true
# If you want to compile the library as PIC code, turn this on.
# This is automagically enabled when HAVE_SHARED is true
DOPIC = false
# Enable support for shared libraries? If this is false, you can
# ignore all the rest of the options in this file...
HAVE_SHARED = true
# uClibc has a native shared library loader for some architectures.
BUILD_UCLIBC_LDSO=true
# If you are using shared libraries, but do not want/have a native
# uClibc shared library loader, please specify the name of your
# system's shared library loader here...
#
#SYSTEM_LDSO=/lib/ld.so.1
# When using shared libraries, this path is the location where the
# shared library will be invoked. This value will be compiled into
# every binary compiled with uClibc.
#
# BIG FAT WARNING:
# If you do not have a shared library loader with the correct name
# sitting in the directory this points to, your binaries will not run.
SHARED_LIB_LOADER_PATH=$(DEVEL_PREFIX)/lib
# DEVEL_PREFIX is the directory into which the uClibc development
# environment will be installed. The result will look something
# like the following:
# DEVEL_PREFIX/
# bin/ <contains gcc, ld, etc>
# lib/ <contains all runtime and static libs>
# include/ <Where all the header files go>
# This value is used by the 'make install' Makefile target. Since this
# directory is compiled into the uclibc cross compiler spoofer, you
# have to recompile if you change this value...
#DEVEL_PREFIX = /usr/$(TARGET_ARCH)-linux-uclibc
ifdef prefix
DEVEL_PREFIX = $(prefix)
else
ifdef AXIS_TOP_DIR
DEVEL_PREFIX = $(AXIS_TOP_DIR)/target/cris-axis-linux-gnuuclibc
else
DEVEL_PREFIX = $(EROOT)
endif
endif
# SYSTEM_DEVEL_PREFIX is the directory prefix used when installing
# bin/arch-uclibc-gcc, bin/arch-uclibc-ld, etc. This is only used by
# the 'make install' target, and is not compiled into anything. This
# defaults to $DEVEL_PREFIX/usr, but makers of .rpms and .debs will
# want to set this to "/usr" instead.
#
SYSTEM_DEVEL_PREFIX = $(DEVEL_PREFIX)/lib
# If you want 'make install' to install everything under a temporary
# directory, the define PREFIX during the install step,
# i.e., 'make PREFIX=/var/tmp/uClibc install'.
#PREFIX = $(TOPDIR)/_install
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