Makefile update

1 files changed, 106 insertions, 0 deletions

diff --git a/Rules.mak b/Rules.mak
new file mode 100644
index 000000000..7191a56b3
--- /dev/null
+++ b/Rules.mak
@@ -0,0 +1,106 @@
+# Rules.make 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 General Public License for more
+# details.
+#
+# You should have received a copy of the GNU 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.
+
+PROG      := libc.a
+VERSION   := 0.95
+BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
+export VERSION
+
+# 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 = malloc-simple
+MALLOC = malloc 
+
+# If you want large file summit support (greater then 2 Gib), 
+# turn this on.  This has no effect unless your kernel supports 
+# lfs.  This surrently does nothing...
+DOLFS = false
+
+# Disable this if your CPU has a memory management unit (MMU)
+HAS_MMU = true
+
+# Disable this if your CPU has a floating point unit (FPU)
+HAS_FLOATS = true
+
+# If you are running a cross compiler, you may want to set this
+# to something more interesting...
+CROSS = #powerpc-linux-
+CC = $(CROSS)gcc
+STRIPTOOL = $(CROSS)strip
+
+
+#--------------------------------------------------------
+# Nothing beyond this point should need be touched by mere 
+# mortals so you should probably leave this stuff alone.
+#--------------------------------------------------------
+
+GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
+
+ARFLAGS=r
+
+CCFLAGS= $(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) -Dlinux -D__linux__ -I$(TOPDIR)include -I$(GCCINCDIR) -I. -D__PIC__ -D__LIBC__
+CFLAGS=$(ARCH) $(CCFLAGS) $(DEFS)
+
+ifeq ($(DODEBUG),true)
+    CFLAGS += -Wall -g -D__PIC__
+    LDFLAGS = -nostdlib 
+else
+    CFLAGS  += -Wall  -D__PIC__ #-fomit-frame-pointer
+    LDFLAGS  = -s -nostdlib
+endif
+
+ifndef $(PREFIX)
+    PREFIX = `pwd`/_install
+endif
+
+ifneq ($(HAS_MMU),true)
+    CFLAGS += -D__HAS_NO_MMU__
+endif
+
+ifneq ($(HAS_FLOATS),true)
+    CFLAGS += -D__HAS_NO_FLOATS__
+endif
+
+
+
+# Use '-ffunction-sections -fdata-sections' and '--gc-sections' if they work
+# to try and strip out any unused junk automagically....
+#
+ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
+	-o /dev/null -xc /dev/null && $(LD) --gc-sections -v >/dev/null && echo 1),1)
+    CFLAGS += -ffunction-sections -fdata-sections
+    LDFLAGS += --gc-sections
+endif
+
+