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

1 files changed, 167 insertions, 0 deletions

diff --git a/extra/Configs/Config.m68k.coff b/extra/Configs/Config.m68k.coff
new file mode 100644
index 000000000..bb9fc3369
--- /dev/null
+++ b/extra/Configs/Config.m68k.coff
@@ -0,0 +1,167 @@
+# 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