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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
# Copyright (C) 1993, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library 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.
# The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If not,
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
ifdef in-Makerules
subdirs := $(filter-out sunrpc,$(subdirs)) # XXX skip broken dirs
# See hurd/Makefile for commands that install some crucial sunrpc headers.
# Look for header files in hurd/ under the top-level library source directory.
# Look for generated header files where they get created.
includes += -I$(..)hurd -I$(common-objpfx)hurd/
# Do not use any assembly code from sysdeps/unix (and subdirectories).
# This bypasses all the system call stubs and uses any existing posix or
# generic C files instead.
inhibit-sysdep-asm += unix*
inhibit-unix-syscalls = yes
# Don't try to generate anything from the installed Unix system and its
# libraries. That is only of use when building for a Unix system, so as to
# be compatible with some existing binaries for that system.
inhibit-glue = yes
ifeq (,$(filter mach hurd,$(subdir)))
# Subdirectories other than hurd/ might use the generated Hurd headers.
# So make sure we get a chance to run in hurd/ to make them before all else.
# (But we don't want to do this in mach/, because hurd/ needs some things
# there, and we know mach/ doesn't need anything from hurd/.)
hurd-objpfx = $(common-objpfx)hurd/
# These are all the generated headers that <hurd.h> includes.
before-compile += $(patsubst %,$(hurd-objpfx)hurd/%.h,auth io fs process)
$(patsubst %,$(hurd-objpfx)hurd/%.%,auth io fs process):
$(MAKE) -C $(..)hurd before-compile no_deps=t
endif
# Hurd profil.c includes this file, so give a rule to make it.
ifeq ($(subdir),gmon)
$(common-objpfx)hurd/../mach/RPC_task_get_sampled_pcs.c:
$(MAKE) -C $(..)mach before-compile no_deps=t
endif
# Generate errnos.h from the section of the manual that lists all the errno
# codes.
errno.texinfo = $(..)manual/errno.texi
hurd = $(..)sysdeps/mach/hurd
define mach-errno-h
($(foreach h,mach/message.h \
mach/kern_return.h \
mach/mig_errors.h \
device/device_types.h,\
echo '#include <$h>';\
))
endef
# We use the compiler to generate a list of absolute file names for
# the headers we want to search for Mach error codes, listed above (and
# incidentally, all other headers those include).
-include $(common-objpfx)errnos.d
$(common-objpfx)errnos.d: $(mach-errnos-deps)
$(mach-errno-h) | \
$(CC) $(CPPFLAGS) -M -x c - | \
sed $(sed-remove-objpfx) -e 's,- *:,mach-errnos-deps :=,' \
-e 's,\.\./,$(..),g' > $@t
mv -f $@t $@
$(hurd)/errnos.h: $(common-objpfx)stamp-errnos ;
$(common-objpfx)stamp-errnos: $(hurd)/errnos.awk $(errno.texinfo) \
$(mach-errnos-deps)
$(AWK) -f $^ > $(hurd)/errnos.h-tmp
# Make it unwritable so noone will edit it by mistake.
-chmod a-w $(hurd)/errnos.h-tmp
$(move-if-change) $(hurd)/errnos.h-tmp $(hurd)/errnos.h
ifeq ($(with-cvs),yes)
test ! -d $(hurd)/CVS || \
(cd $(hurd) && cvs commit -m'Regenerated from $^' errnos.h)
endif
touch $@
common-generated += errnos.d stamp-errnos
# We install the real libc.a as libcrt.a and as libc.a we install a linker
# script which does -( -lcrt -lmachuser -lhurduser -).
libc-name = crt
ifeq (,$(subdir))
install-others += $(inst_libdir)/libc.a $(inst_libdir)/libc_p.a
$(inst_libdir)/libc.a: $(hurd)/libc-ldscript $(+force); $(do-install)
$(inst_libdir)/libc_p.a: $(hurd)/libc_p-ldscript $(+force); $(do-install)
endif
# Make sure these are used to build the libc.so shared object too.
rpcuserlibs := $(common-objpfx)mach/libmachuser.so \
$(common-objpfx)hurd/libhurduser.so
$(common-objpfx)libc.so: $(rpcuserlibs)
rpath-dirs += mach hurd
# And get them into the libc.so ldscript.
$(inst_libdir)/libc.so: $(rpcuserlibs)
# The RPC stubs from these libraries are needed in building the dynamic
# linker, too. It must be self-contained, so we link the needed PIC
# objects directly into the shared object.
ifeq (elf,$(subdir))
$(objpfx)librtld.os: $(rpcuserlibs:.so=_pic.a)
CFLAGS-dl-load.c = -DEXTERNAL_MAP_FROM_FD
endif
# We need these libs to link static programs in the libc source tree, too.
ifeq (yes,$(build-static))
link-libc-static := -Wl,-\( \
$(patsubst %,$(common-objpfx)%.a,\
libc mach/libmachuser hurd/libhurduser) \
$(gnulib) -Wl,-\)
else
ifeq (yes,$(build-shared))
# We can try to link the programs with lib*_pic.a...
link-libc-static := $(link-libc) -Wl,-\( \
$(patsubst %,$(common-objpfx)%_pic.a,\
libc mach/libmachuser hurd/libhurduser) \
$(gnulib) -Wl,-\)
endif
endif
ifeq (hurd, $(subdir))
sysdep_routines += cthreads
endif
endif # in-Makerules
|
