1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# Makefile for uClibc
#
# Copyright (C) 2000-2004 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.
#
# 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
TOPDIR=../../
include $(TOPDIR)Rules.mak
XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS) -DNOT_IN_libc
ifeq ($(DODEBUG),y)
# Not really much point in including debugging info, since gdb
# can't really debug ldso, since gdb requires help from ldso to
# debug things....
XXFLAGS+=-Os -g
else
XXFLAGS+=$(OPTIMIZATION)
endif
XXFLAGS+= -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" $(XARCH_CFLAGS) $(CPU_CFLAGS) $(PICFLAG) \
-DUCLIBC_RUNTIME_PREFIX=\"$(RUNTIME_PREFIX)\" \
-fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)ldso/include -I. -I$(TOPDIR)include
XXFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
ifeq ($(SUPPORT_LD_DEBUG),y)
XXFLAGS+=-D__SUPPORT_LD_DEBUG__
endif
ifeq ($(SUPPORT_LD_DEBUG_EARLY),y)
XXFLAGS+=-D__SUPPORT_LD_DEBUG_EARLY__
endif
#This stuff will not work with -fomit-frame-pointer
XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=)
# BEWARE!!! At least mips* will die if -O0 is used!!!
ifeq ($(strip $(TARGET_ARCH)),mips)
XXFLAGS := $(XXFLAGS:-O0=-O1)
endif
ASFLAGS=$(XXFLAGS)
ifeq ($(UCLIBC_BUILD_NOEXECSTACK),y)
ASFLAGS+=$(call check_as,--noexecstack)
endif
LDFLAGS=$(CPU_LDFLAGS-y) -e _start -z now -Bsymbolic -shared --warn-common --export-dynamic --sort-common \
-z combreloc --discard-locals --discard-all --no-undefined
ifeq ($(UCLIBC_BUILD_RELRO),y)
LDFLAGS+=-z relro
endif
ifneq ($(SUPPORT_LD_DEBUG),y)
LDFLAGS+=-s
endif
LIB_NAME := ld-uClibc
SO_LIB_NAME := $(TOPDIR)lib/$(UCLIBC_LDSO)
SO_FULL_NAME := $(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
CSRC := ldso.c
COBJ := $(patsubst %.c,%.o, $(CSRC))
SSRC := $(wildcard $(TARGET_ARCH)/*.S)
SOBJ := $(patsubst %.S,%.o, $(SSRC))
OBJS := $(SOBJ) $(COBJ)
all: $(SO_LIB_NAME)
$(SO_LIB_NAME): $(OBJS)
$(INSTALL) -d $(TOPDIR)lib
$(RM) $(TOPDIR)lib/$(SO_FULL_NAME) $@
$(STRIPTOOL) -x -R .note -R .comment $^
$(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \
-o $(TOPDIR)lib/$(SO_FULL_NAME) $^ $(LIBGCC)
$(LN) -sf $(SO_FULL_NAME) $@
$(COBJ): %.o : %.c
$(CC) $(XXFLAGS) -c $< -o $@
$(SOBJ): %.o : %.S
$(CC) $(ASFLAGS) -c $< -o $@
clean:
$(RM) *.o */*.o *~ core
|
