source: mainline/uspace/lib/posix/Makefile@ 4a3892b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 4a3892b was 970c4d8, checked in by Vojtech Horky <vojtechhorky@…>, 12 years ago

libposix: use objcopy more effectively

This removes the helper libposix tools that were used to redefine
conflicting symbols in libc.

objcopy can work on whole libraries thus there is no need to
unpack and repack them again.
Also, it accepts file with list of redefinitions, thus we do not
need to use xargs at all.

This solution is much simpler and also it speeds-up the compilation
a bit.

  • Property mode set to 100644
File size: 3.3 KB
Line 
1#
2# Copyright (c) 2011 Petr Koupy
3# Copyright (c) 2011 Jiri Zarevucky
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9#
10# - Redistributions of source code must retain the above copyright
11# notice, this list of conditions and the following disclaimer.
12# - Redistributions in binary form must reproduce the above copyright
13# notice, this list of conditions and the following disclaimer in the
14# documentation and/or other materials provided with the distribution.
15# - The name of the author may not be used to endorse or promote products
16# derived from this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29
30USPACE_PREFIX = ../..
31LIBRARY = libposix
32SLIBRARY = libposix.so.0.0
33LSONAME = libposix.so0
34
35EXTRA_CFLAGS = -Iinclude/
36
37INCLUDE_LIBC = ./include/libc
38
39LIBC_FILE = $(LIBC_PREFIX)/libc.a
40
41FIXED_POSIX_LIBRARY = libposixaslibc.a
42FIXED_C_LIBRARY = libc4posix.a
43
44REDEFS_HIDE_LIBC = redefs-hide-libc-symbols.list
45REDEFS_SHOW_LIBPOSIX = redefs-show-posix-symbols.list
46COLLISIONS_LIST = collisions.list
47
48PRE_DEPEND = $(INCLUDE_LIBC)
49EXTRA_CLEAN = \
50 $(INCLUDE_LIBC) \
51 $(REDEFS_HIDE_LIBC) $(REDEFS_SHOW_LIBPOSIX) \
52 $(COLLISIONS_LIST)
53EXTRA_OUTPUT = $(FIXED_C_LIBRARY) $(FIXED_POSIX_LIBRARY)
54
55SOURCES = \
56 source/ctype.c \
57 source/errno.c \
58 source/fcntl.c \
59 source/fnmatch.c \
60 source/getopt.c \
61 source/locale.c \
62 source/math.c \
63 source/pthread/condvar.c \
64 source/pthread/keys.c \
65 source/pthread/mutex.c \
66 source/pthread/threads.c \
67 source/pwd.c \
68 source/signal.c \
69 source/stdio.c \
70 source/stdio/scanf.c \
71 source/stdlib.c \
72 source/stdlib/strtol.c \
73 source/stdlib/strtold.c \
74 source/string.c \
75 source/strings.c \
76 source/sys/stat.c \
77 source/sys/wait.c \
78 source/time.c \
79 source/unistd.c
80
81include $(USPACE_PREFIX)/Makefile.common
82
83$(INCLUDE_LIBC): ../c/include
84 ln -s -f -n ../$^ $@
85
86$(FIXED_C_LIBRARY): $(REDEFS_HIDE_LIBC) $(REDEFS_SHOW_LIBPOSIX)
87 $(OBJCOPY) --redefine-syms=$(REDEFS_HIDE_LIBC) $(LIBC_FILE) $@
88 $(OBJCOPY) --redefine-syms=$(REDEFS_SHOW_LIBPOSIX) $@ $@
89
90$(FIXED_POSIX_LIBRARY): $(LIBRARY).a $(REDEFS_HIDE_LIBC) $(REDEFS_SHOW_LIBPOSIX)
91 $(OBJCOPY) --redefine-syms=$(REDEFS_HIDE_LIBC) $(LIBRARY).a $@
92 $(OBJCOPY) --redefine-syms=$(REDEFS_SHOW_LIBPOSIX) $@ $@
93
94$(REDEFS_HIDE_LIBC): $(COLLISIONS_LIST)
95 sed 's/.*/& __helenos_libc_&/' <$(COLLISIONS_LIST) >$@
96
97$(REDEFS_SHOW_LIBPOSIX): $(COLLISIONS_LIST)
98 sed 's/.*/posix_& &/' <$(COLLISIONS_LIST) >$@
99
100$(COLLISIONS_LIST):
101 find ./include/posix -name '*.h' -exec \
102 sed -n -e '/^#/d' -e 's/__POSIX_DEF__/\n&/gp' {} \; | \
103 sed -n -e 's/__POSIX_DEF__(\([^)]*\)).*/\1/p' | \
104 sort -u >$@
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