# 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>
+# This file contains rules which are shared between multiple Makefiles. All
+# normal configuration options live in the file named "Config". You probably
+# should not mess with this file unless you know what you are doing...
#
# Copyright (C) 2000 by Lineo, inc.
+# Copyright (C) 2000,2001 Erik Andersen <andersee@debian.org>
#
# 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
# 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
+NATIVE_CC = gcc
# If you are running a cross compiler, you may want to set this
-# to something more interesting...
-NATIVE_CC = gcc
+# to something more interesting... Target architecture is determined
+# by asking this compiler what arch it compiles stuff for.
CROSS = arm-elf-
CC = $(CROSS)gcc
AR = $(CROSS)ar
# Compiler warnings you want to see
WARNINGS=-Wall
-# Enable support for shared libraries?
-HAVE_SHARED = false
-
# 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
# 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.
+# If this is not true, then libm will not be built.
HAS_FLOATING_POINT = true
-# 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 to `true' if you want the math library to contain the full set
+# of C99 math library features. Costs an extra 35k or so on x86.
+DO_C99_MATH = false
# Set this to `false' if you don't have/need "(unsigned) long long int" support.
# Set it to `true' otherwise.
# 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 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
# 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.
+# It is actually smaller than "malloc", but because it is based on brk/sbrk
+# it will only work on systems with an MMU.
MALLOC = malloc-simple
#MALLOC = malloc
#MALLOC = malloc-930716
+# Having brk allows one to use malloc-930716, which is an order
+# of magnitude faster then "malloc" for most allocations, but
+# will do very bad things on MMU-less systems...
+EXCLUDE_BRK=true
+
# 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.
# 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...
+# If you want large file support (greater then 2 GiB) turn this on.
+# Do not enable this unless your kernel provides large file support.
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.
# 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
-# PREFIX is the directory prefix that is applied to all installed
-# files. Typically, it is set to /usr or /usr/local, although it
-# could also be /opt/vendor_name_here/some/random/path/. The
-# install_runtime makefile target installs a few symbolic links
-# based on PREFIX, not DEVEL_PREFIX.
+# Enable support for shared libraries? If this is false, you can
+# ignore all the rest of the options in this file...
+HAVE_SHARED = false
+
+# uClibc has a native shared library loader for some architectures.
+BUILD_UCLIBC_LDSO=false
+
+# 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-linux.so.2
+
+# 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.
#
-# DEVEL_PREFIX is the directory into which the development environment
-# will be installed. Include files are installed into
-# $(DEVEL_PREFIX)/include, libraries into $(DEVEL_PREFIX)/lib, etc.
-# This directory is compiled into the uclibc cross compiler spoofer.
-# Generally, DEVEL_PREFIX should be $(PREFIX)/$(TARGET_ARCH)-uclibc-linux.
-# DEVEL_PREFIX is used by the Makefile install targets install_gcc,
-# install_dev, and install_runtime.
-#
-# TARGET_PREFIX is the directory into which the target runtime
-# environment is installed. The target runtime environment is
-# what one would use for a embedded system where uclibc is the
-# native libaray. This will typically be a staging area for
-# creating a root filesystem for the target system, so the default
-# is in the local directory.
-#
-# If you want to install to a temporary directory before copying
-# files to their final location, you can change PREFIX after build
-# but before 'make install'.
-PREFIX = /opt/uClinux
-DEVEL_PREFIX = $(PREFIX)/$(TARGET_ARCH)-elf
-TARGET_PREFIX = $(TOPDIR)/_install
+# BIG FAT WARNING:
+# If you do not have a shared library loader with the correct name
+# sitting in the directory this points to, your binaries will not run.
+#SHARED_LIB_LOADER_PATH=$(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/
+# 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/$(TARGET_ARCH)-linux-uclibc
+DEVEL_PREFIX = /opt/uClinux/$(TARGET_ARCH)-elf
+
+# 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)
+
+# DEVEL_TOOL_PREFIX is the directory prefix used when installing
+# bin/gcc, bin/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 may want to
+# set this to something else.
+DEVEL_TOOL_PREFIX = $(DEVEL_PREFIX)/usr
+
+# 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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