-# Rules.make for uCLibc
+# Rules.make for uClibc
#
-# 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...
-# -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...
+# -Erik Andersen <andersen@lineo.com> < andersee@debian.org>
#
-# Copyright (C) 2000 by Lineo, inc.
+# Copyright (C) 2000, 2001 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
#
# 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
+# FOR A PARTICULAR PURPOSE. See the GNU Library 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
+# 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
#
-include Config
+include $(TOPDIR)Config
-GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
+MAJOR_VERSION=0
+MINOR_VERSION=9.5
-ARFLAGS=r
+LIBNAME=libc.a
+SHARED_FULLNAME=libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).so
+SHARED_MAJORNAME=libc.so.$(MAJOR_VERSION)
+UCLIBC_LDSO=ld-uclibc.so.$(MAJOR_VERSION)
+LIBC=$(TOPDIR)libc/libc.a
+
+BUILDTIME = $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
-CCFLAGS=$(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) -Dlinux -D__linux__ -I$(TOPDIR)include -I$(GCCINCDIR) -I. -D__LIBC__
-# Figure out what arch to build...
-ARCH = $(shell uname -m | sed -e 's/i.86/i386/' -e 's/sparc.*/sparc/' -e 's/arm.*/arm/g')
+GCCINCDIR = $(shell $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
-ifeq ($(ARCH), arm)
- ARCH_CFLAGS=-fpic
+# use '-Os' optimization if available, else use -O2, allow Config to override
+ifndef OPTIMIZATION
+OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
+ then echo "-Os"; else echo "-O2" ; fi)
endif
-CFLAGS=$(ARCH_CFLAGS) $(CCFLAGS) $(DEFS)
+ARFLAGS=r
+
+CCFLAGS=$(WARNINGS) $(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) -I$(TOPDIR)include -I$(GCCINCDIR) -I. -D_LIBC
+
+CFLAGS=$(ARCH_CFLAGS) $(CCFLAGS) $(DEFS) $(ARCH_CFLAGS2)
-ifeq ($(DODEBUG),true)
- CFLAGS += -Wall -g
- LDFLAGS = -nostdlib
+ifeq ($(strip $(DODEBUG)),true)
+ CFLAGS += -g
+ LDFLAGS = -nostdlib -Wl,-warn-common
+ STRIPTOOL = /bin/true -Since_we_are_debugging
else
- CFLAGS += -Wall #-fomit-frame-pointer
- LDFLAGS = -s -nostdlib
+ CFLAGS += -DNDEBUG #-fomit-frame-pointer
+ LDFLAGS = -s -nostdlib -Wl,-warn-common
endif
ifndef $(PREFIX)
PREFIX = `pwd`/_install
endif
-ifneq ($(HAS_MMU),true)
- CFLAGS += -D__HAS_NO_MMU__
+NATIVE_ARCH = $(shell uname -m | sed -e 's/i.86/i386/' -e 's/sparc.*/sparc/' -e 's/arm.*/arm/g' -e 's/m68k.*/m68k/' -e 's/ppc/powerpc/g')
+
+ifeq ($(strip $(HAS_MMU)),true)
+ DO_SHARED=shared
endif
-ifneq ($(HAS_FLOATS),true)
- CFLAGS += -D__HAS_NO_FLOATS__
+LDSO_PRESENT=$(strip $(shell cd $(TOPDIR)/ldso/d-link; ls -d $(TARGET_ARCH) 2>/dev/null))
+
+# NOTE: This may need to be modified for your system
+ifeq ($(NATIVE_ARCH), $(TARGET_ARCH))
+ SYSTEM_LDSO=$(strip $(shell ldd `which $(CC)` | sed -ne /ld/p | sed -e s/\ =.*//g))
+else
+ SYSTEM_LDSO=/lib/ld-linux.so.2
endif
-ifneq ($(DO_FIXME_STUFF),true)
- CFLAGS += -DFIXME
+ifeq ($(LDSO_PRESENT), $(TARGET_ARCH))
+ LDSO=$(TOPDIR)lib/$(UCLIBC_LDSO)
+ DYNAMIC_LINKER=/lib/$(UCLIBC_LDSO)
+else
+ LDSO=$(SYSTEM_LDSO)
+ DYNAMIC_LINKER=$(SYSTEM_LDSO)
endif
+# It turns out the currently, function-sections causes ldelf2flt to segfault.
+# So till further notice, this is disabled by default....
+#
# 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 && $(LD) --gc-sections -v >/dev/null && echo 1),1)
- CFLAGS += -ffunction-sections -fdata-sections
- LDFLAGS += --gc-sections
-endif
-
+#ifeq ($(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
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