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authorEric Andersen <andersen@codepoet.org>2001-06-12 21:45:10 +0000
committerEric Andersen <andersen@codepoet.org>2001-06-12 21:45:10 +0000
commit92773db48eb6be7bc3ef12f44e4b163a7f5e0af3 (patch)
tree7a5097716ad65c0899d917a25379131e26a7e47b /extra/Configs/Config.m68k.coff
parent23f586ed1edb81cea7c976eb1f2354ab24294908 (diff)
Cleanup the toploevel makefile handing of shared libs. Add weak_alias
define, and set things up so nasty old coff toolchains can now compile things and should actually work again. -Erik
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+# Library Configuration rules for uClibc
+#
+# 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.
+#
+# 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.
+
+# What arch do you want to compile for...
+#TARGET_ARCH=arm
+#TARGET_ARCH=i386
+TARGET_ARCH=m68k
+#TARGET_ARCH=powerpc
+#TARGET_ARCH=sh
+#TARGET_ARCH=sparc
+
+# If you are running a cross compiler, you may want to set this
+# to something more interesting...
+NATIVE_CC = gcc
+CROSS = m68k-coff-
+CC = $(CROSS)gcc
+AR = $(CROSS)ar
+LD = $(CROSS)ld
+NM = $(CROSS)nm
+STRIPTOOL = $(CROSS)strip
+#STRIPTOOL = /bin/true
+
+# Set the following to `true' to make a debuggable build, and `false' for
+# production builds.
+DODEBUG = false
+
+# 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=/opt/uClinux/linux
+
+# Set this to `false' if your CPU doesn't have a memory management unit (MMU).
+# Set it to `true' otherwise.
+HAS_MMU = false
+
+# Set this to `false' if you don't have/need basic floating point support
+# support in libc (strtod, printf, scanf). Set it to `true' otherwise.
+# Note: If not true, Rules.mak disables libm as well.
+HAS_FLOATING_POINT = false
+
+# Set this to `false' if you don't have/need float functions in libm.
+# Set it to `true' otherwise, and make sure HAS_FLOATING_POINT is true as well.
+HAS_LIBM_FLOAT = false
+
+# Set this to `false' if you don't have/need double functions in libm.
+# Set it to `true' otherwise, and make sure HAS_FLOATING_POINT is true as well.
+HAS_LIBM_DOUBLE = false
+
+# Set this to `false' if you don't have/need long double functions in libm.
+# Set it to `true' otherwise, and make sure HAS_FLOATING_POINT is true as well.
+HAS_LIBM_LONG_DOUBLE = false
+
+# Set this to `false' if you don't have/need "(unsigned) long long int" support.
+# Set it to `true' otherwise.
+# Affects *printf and *scanf functions.
+# Also omits strto(u)ll, and (u)lltostr from the library if `false'.
+HAS_LONG_LONG = true
+
+# 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/"
+
+# 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 this to
+# `true'. Set it to false otherwise.
+# 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
+
+# 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
+
+# ROOT_DIR is the base directory which will be compiled into the uClibc
+# runtime environment. When compiled as a shared library, the shared
+# library loader will look in <ROOT_DIR>/lib and <ROOT_DIR>/usr/lib
+# for shared libraries.
+#
+# DEVEL_PREFIX is the base directory which will be compiled into the uClibc
+# development environment. The uClibc development environment will
+# look for the uClibc header files under <DEVEL_PREFIX><ROOT_DIR>/usr/include,
+# and for static libs and crt0.o in <DEVEL_PREFIX><ROOT_DIR>/usr/lib.
+# Also, 'make install' will install the compiler tools to
+# <DEVEL_PREFIX><ROOT_DIR>/bin and <DEVEL_PREFIX><ROOT_DIR>/usr/bin.
+#
+# TARGET_PREFIX is the directory under which 'make install' will install the
+# uClibc runtime environment. This path does not get compiled into anything,
+# and is provided simply to make it easier to build standalone target systems.
+# Note: This doesn't do anything if there are no shared libs.
+
+DEVEL_PREFIX =
+ROOT_DIR = /opt/uClinux
+TARGET_PREFIX =
+
+#
+# ARCH_CFLAGS if your have something special to add to the CFLAGS
+#
+ARCH_CFLAGS = -Wa,--bitwise-or -msoft-float
+#
+# this is needed for 2.4 m68knommu builds
+#
+ARCH_CFLAGS2 = -I$(KERNEL_SOURCE)/include
+#
+# get this from elsewhere, maybe
+#
+OPTIMIZATION = $(DEBUG_CFLAGS)
+
+# This is a COFF compiler (ick), so disable all the cool stuff
+HAVE_ELF = false