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authorPeter S. Mazinger <ps.m@gmx.net>2005-11-17 21:10:19 +0000
committerPeter S. Mazinger <ps.m@gmx.net>2005-11-17 21:10:19 +0000
commit15870aba4909395d3922acb81dba0ebdcc4361a0 (patch)
treeb958e8128129af7fb0e93a29d2e5cdd3016aee21 /Rules.mak
parentebb0a88c81214bdade4c9c62af0c265f548df3fb (diff)
Use -z relro/-z now on all libs, add some new variables needed later, move common ldso/libdl parts to Rules.mak, remove strip from all TARGET_ARCH
Diffstat (limited to 'Rules.mak')
-rw-r--r--Rules.mak82
1 files changed, 41 insertions, 41 deletions
diff --git a/Rules.mak b/Rules.mak
index 8389f74e5..0577b8d19 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -1,22 +1,10 @@
# Rules.make for uClibc
#
# Copyright (C) 2000 by Lineo, inc.
-# Copyright (C) 2000-2002 Erik Andersen <andersen@uclibc.org>
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.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
-# Software Foundation; either version 2 of the License, or (at your option) any
-# later version.
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
-# 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
-
#-----------------------------------------------------------
# This file contains rules which are shared between multiple
@@ -68,9 +56,15 @@ VERSION := $(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL)
LC_ALL := C
export MAJOR_VERSION MINOR_VERSION SUBLEVEL VERSION LC_ALL
-SHARED_MAJORNAME:=libc.so.$(MAJOR_VERSION)
-UCLIBC_LDSO:=ld-uClibc.so.$(MAJOR_VERSION)
-NONSHARED_LIBNAME:=uclibc_nonshared.a
+LIBC := libc
+SHARED_MAJORNAME := $(LIBC).so.$(MAJOR_VERSION)
+UCLIBC_LDSO := ld-uClibc.so.$(MAJOR_VERSION)
+NONSHARED_LIBNAME := uclibc_nonshared.a
+libc := $(TOPDIR)lib/$(LIBC).so
+interp := $(TOPDIR)libc/misc/internals/interp.os
+
+#LIBS :=$(interp) -L$(TOPDIR)lib -lc
+LIBS := $(interp) -L$(TOPDIR)lib $(libc)
# Make sure DESTDIR and PREFIX can be used to install
# PREFIX is a uClibcism while DESTDIR is a common GNUism
@@ -108,6 +102,7 @@ endif
# Make certain these contain a final "/", but no "//"s.
TARGET_ARCH:=$(shell grep -s ^TARGET_ARCH $(TOPDIR)/.config | sed -e 's/^TARGET_ARCH=//' -e 's/"//g')
+TARGET_ARCH:=$(strip $(subst ",, $(strip $(TARGET_ARCH))))
RUNTIME_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(RUNTIME_PREFIX))))))
DEVEL_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(DEVEL_PREFIX))))))
KERNEL_SOURCE:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(KERNEL_SOURCE))))))
@@ -120,7 +115,7 @@ PICFLAG:=-fPIC
PIEFLAG_NAME:=-fPIE
# Some nice CPU specific optimizations
-ifeq ($(strip $(TARGET_ARCH)),i386)
+ifeq ($(TARGET_ARCH),i386)
OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
OPTIMIZATION+=$(call check_gcc,-falign-jumps=0 -falign-loops=0,-malign-jumps=0 -malign-loops=0)
CPU_CFLAGS-$(CONFIG_386)+=-march=i386
@@ -141,14 +136,14 @@ ifeq ($(strip $(TARGET_ARCH)),i386)
CPU_CFLAGS-$(CONFIG_NEHEMIAH)+=$(call check_gcc,-march=c3-2,-march=i686)
endif
-ifeq ($(strip $(TARGET_ARCH)),sparc)
+ifeq ($(TARGET_ARCH),sparc)
CPU_CFLAGS-$(CONFIG_SPARC_V7)+=-mcpu=v7
CPU_CFLAGS-$(CONFIG_SPARC_V8)+=-mcpu=v8
CPU_CFLAGS-$(CONFIG_SPARC_V9)+=-mcpu=v9
CPU_CFLAGS-$(CONFIG_SPARC_V9B)+=$(call check_gcc,-mcpu=v9b,-mcpu=ultrasparc)
endif
-ifeq ($(strip $(TARGET_ARCH)),arm)
+ifeq ($(TARGET_ARCH),arm)
OPTIMIZATION+=-fstrict-aliasing
CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN)+=-EL
CPU_LDFLAGS-$(ARCH_BIG_ENDIAN)+=-EB
@@ -168,7 +163,7 @@ ifeq ($(strip $(TARGET_ARCH)),arm)
CPU_CFLAGS-$(CONFIG_ARM_XSCALE)+=-march=armv4 -Wa,-mcpu=xscale
endif
-ifeq ($(strip $(TARGET_ARCH)),mips)
+ifeq ($(TARGET_ARCH),mips)
CPU_CFLAGS-$(CONFIG_MIPS_ISA_1)+=-mips1
CPU_CFLAGS-$(CONFIG_MIPS_ISA_2)+=-mips2 -mtune=mips2
CPU_CFLAGS-$(CONFIG_MIPS_ISA_3)+=-mips3 -mtune=mips3
@@ -177,7 +172,7 @@ ifeq ($(strip $(TARGET_ARCH)),mips)
CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
endif
-ifeq ($(strip $(TARGET_ARCH)),sh)
+ifeq ($(TARGET_ARCH),sh)
OPTIMIZATION+=-fstrict-aliasing
OPTIMIZATION+= $(call check_gcc,-mprefergot,)
CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN)+=-EL
@@ -195,7 +190,7 @@ else
endif
endif
-ifeq ($(strip $(TARGET_ARCH)),sh64)
+ifeq ($(TARGET_ARCH),sh64)
OPTIMIZATION+=-fstrict-aliasing
CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN):=-EL
CPU_LDFLAGS-$(ARCH_BIG_ENDIAN):=-EB
@@ -204,21 +199,21 @@ ifeq ($(strip $(TARGET_ARCH)),sh64)
CPU_CFLAGS-$(CONFIG_SH5)+=-m5-32media
endif
-ifeq ($(strip $(TARGET_ARCH)),h8300)
+ifeq ($(TARGET_ARCH),h8300)
CPU_LDFLAGS-$(CONFIG_H8300H)+= -ms8300h
CPU_LDFLAGS-$(CONFIG_H8S) += -ms8300s
CPU_CFLAGS-$(CONFIG_H8300H) += -mh -mint32 -fsigned-char
CPU_CFLAGS-$(CONFIG_H8S) += -ms -mint32 -fsigned-char
endif
-ifeq ($(strip $(TARGET_ARCH)),cris)
+ifeq ($(TARGET_ARCH),cris)
CPU_LDFLAGS-$(CONFIG_CRIS)+=-mcrislinux
CPU_CFLAGS-$(CONFIG_CRIS)+=-mlinux
PICFLAG:=-fpic
PIEFLAG_NAME:=-fpie
endif
-ifeq ($(strip $(TARGET_ARCH)),powerpc)
+ifeq ($(TARGET_ARCH),powerpc)
# PowerPC can hold 8192 entries in its GOT with -fpic which is more than
# enough. Therefore use -fpic which will reduce code size and generates
# faster code.
@@ -226,7 +221,7 @@ ifeq ($(strip $(TARGET_ARCH)),powerpc)
PIEFLAG_NAME:=-fpie
endif
-ifeq ($(strip $(TARGET_ARCH)),frv)
+ifeq ($(TARGET_ARCH),frv)
CPU_LDFLAGS-$(CONFIG_FRV)+=-melf32frvfd
CPU_CFLAGS-$(CONFIG_FRV)+=-mfdpic
# Using -pie causes the program to have an interpreter, which is
@@ -283,7 +278,7 @@ ifeq ($(UCLIBC_HAS_SOFT_FLOAT),y)
# Hmm... might need to revisit this for arm since it has 2 different
# soft float encodings.
CPU_CFLAGS += -msoft-float
-ifeq ($(strip $(TARGET_ARCH)),arm)
+ifeq ($(TARGET_ARCH),arm)
# No longer needed with current toolchains, but leave it here for now.
# If anyone is actually still using gcc 2.95 (say), they can uncomment it.
# LDADD_LIBFLOAT=-lfloat
@@ -302,16 +297,25 @@ endif
# Some nice CFLAGS to work with
CFLAGS:=$(XWARNINGS) $(CPU_CFLAGS) $(SSP_CFLAGS) \
-fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I.
-LDFLAGS_NOSTRIP:=$(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc -z defs
+LDFLAGS_NOSTRIP:=$(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc
+
+ifeq ($(UCLIBC_BUILD_RELRO),y)
+LDFLAGS_NOSTRIP+=-z relro
+endif
+
+ifeq ($(UCLIBC_BUILD_NOW),y)
+LDFLAGS_NOSTRIP+=-z now
+endif
+
+LDFLAGS:=$(LDFLAGS_NOSTRIP) -z defs
ifeq ($(DODEBUG),y)
#CFLAGS += -g3
CFLAGS += -O0 -g3
- LDFLAGS := $(LDFLAGS_NOSTRIP)
STRIPTOOL:= true -Since_we_are_debugging
else
CFLAGS += $(OPTIMIZATION) $(XARCH_CFLAGS)
- LDFLAGS := $(LDFLAGS_NOSTRIP) -s
+ LDFLAGS += -s
endif
ifeq ($(DOMULTI),y)
@@ -375,14 +379,6 @@ endif
CFLAGS+=$(PTINC)
endif
-ifeq ($(UCLIBC_BUILD_RELRO),y)
-LDFLAGS+=-z relro
-endif
-
-ifeq ($(UCLIBC_BUILD_NOW),y)
-LDFLAGS+=-z now
-endif
-
# Sigh, some stupid versions of gcc can't seem to cope with '-iwithprefix include'
#CFLAGS+=-iwithprefix include
CFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
@@ -391,6 +387,12 @@ ifneq ($(DOASSERTS),y)
CFLAGS+=-DNDEBUG
endif
+# moved from ldso/{ldso,libdl}
+# BEWARE!!! At least mips* will die if -O0 is used!!!
+ifeq ($(TARGET_ARCH),mips)
+CFLAGS:=$(CFLAGS:-O0=-O1)
+endif
+
# Keep the check_as from being needlessly executed
ifndef ASFLAGS_NOEXEC
ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
@@ -417,5 +419,3 @@ ifeq ($(CONFIG_BINFMT_SHARED_FLAT),y)
export LIBID FLTFLAGS
SHARED_TARGET = lib/libc
endif
-
-TARGET_ARCH:=$(strip $(subst ",, $(strip $(TARGET_ARCH))))