1 # Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Library General Public License as
6 # published by the Free Software Foundation; either version 2 of the
7 # License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Library General Public License for more details.
14 # You should have received a copy of the GNU Library General Public
15 # License along with the GNU C Library; see the file COPYING.LIB. If not,
16 # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 # Boston, MA 02111-1307, USA.
19 # The unix-specific configure fragment writes `unix-generated' in config.make.
20 config-generated
:= $(config-generated
) $(unix-generated
)
22 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(common-objpfx
),\
23 $(dir $(firstword $(wildcard $(+sysdep_dirs
:%=%/local_lim.h
))))))
25 ifneq (,$(wildcard $(sysincludedir
)/sys
/param.h
))
26 local_lim-CFLAGS
:= $(local_lim-CFLAGS
) -DHAVE_SYS_PARAM_H
28 ifneq (,$(wildcard $(sysincludedir
)/sys
/limits.h
))
29 local_lim-CFLAGS
:= $(local_lim-CFLAGS
) -DHAVE_SYS_LIMITS_H
31 ifneq (,$(wildcard $(sysincludedir
)/limits.h
))
32 local_lim-CFLAGS
:= $(local_lim-CFLAGS
) -DHAVE_LIMITS_H
35 $(common-objpfx
)local_lim.h
: $(common-objpfx
)mk-local_lim
36 if
$(dir $<)$(notdir $<) > $@
-t
; then mv
$@
-t
$@
; else XXX
; fi
37 $(common-objpfx
)mk-local_lim
: $(sysdep_dir
)/unix
/mk-local_lim.c
38 cwd
=`pwd`; cd
$(@D
); \
39 $(BUILD_CC
) $(BUILD_CFLAGS
) $(local_lim-CFLAGS
) $$cwd/$< -o
$(@F
)
41 before-compile
:= $(before-compile
) $(common-objpfx
)local_lim.h
42 common-generated
:= $(common-generated
) local_lim.h mk-local_lim
46 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(common-objpfx
),\
47 $(patsubst %/sys
/param.h
,%/,\
48 $(firstword $(wildcard $(+sysdep_dirs
:%=%/sys
/param.h
))))))
50 before-compile
:= $(before-compile
) $(common-objpfx
)sys
/param.h
52 $(common-objpfx
)sys
/param.h
: $(sysincludedir
)/sys
/param.h
54 (echo
'#ifndef _GNU_SYS_PARAM_H'; \
55 echo
'#define _GNU_SYS_PARAM_H 1'; \
56 echo
'#include <endian.h>'; \
58 '/^#define[ ]*NULL/ { print "#ifndef NULL"; \
62 { if (!was_null) print $$0; \
64 echo
'#ifndef MAXHOSTNAMELEN'; \
65 echo
'#define MAXHOSTNAMELEN 64 /* XXX */'; \
66 echo
'#endif /* No MAXHOSTNAMELEN. */'; \
67 echo
'#endif /* sys/param.h */') > $@
-tmp
70 $(common-objpfx
)param.h.c
: $(sysincludedir
)/sys
/param.h
73 $(common-objpfx
)param.h.dep
: $(common-objpfx
)param.h.c \
74 $(sysdep_dir
)/unix
/Makefile
75 $(+mkdep
) -I
$(sysincludedir
) $< \
79 -e
's@$(sysincludedir)/*@@g' \
81 -e
's@^@sys/param.h-includes := $$(sys/param.h-includes) @'
83 # Get the generated definition of sys/param.h-includes.
85 include $(common-objpfx
)param.h.dep
88 # Don't preempt our own headers.
89 sys
/param.h-includes
:= \
90 $(filter-out $(patsubst $(..
)%,%,\
91 $(wildcard $(addprefix $(..
),\
92 $(sys
/param.h-includes
)))),\
93 $(sys
/param.h-includes
))
96 .PHONY
: sys
/param.h-includes
97 sys
/param.h-includes
: $(addprefix $(common-objpfx
),$(sys
/param.h-includes
))
99 ifdef sys
/param.h-includes
100 # Copy the system files to $(common-objdir).
101 $(addprefix $(common-objpfx
),$(sys
/param.h-includes
)): $(common-objpfx
)%: \
104 # Some of these files sometimes contain conflicting declarations for htons,
105 # ntohs, etc. They also often contain definitions of *_ENDIAN and
106 # BYTE_ORDER, which we define ourselves in <endian.h>.
107 sed
-e
'/[ ]*[hn]to[nh][sl][ (]*/d' \
108 -e
'/^#define[ ]*[A-Z]*_ENDIAN/d' \
109 -e
'/^#define[ ]*BYTE_ORDER/d' \
114 common-generated
:= $(common-generated
) \
115 sys
/param.h
$(sys
/param.h-includes
) param.h.c param.h.dep
118 ifeq ($(subdir
),misc
)
120 # Install system headers the system sys/param.h uses.
122 sysdep_headers
:= $(sysdep_headers
) $(sys
/param.h-includes
)
126 endif # No sysdep sys/param.h.
128 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(common-objpfx
),\
129 $(dir $(firstword $(wildcard $(+sysdep_dirs
:%=%/errnos.h
))))))
131 # These need to exist before any compiling is done,
132 # so cpp doesn't instead find the stub versions.
133 before-compile
:= $(before-compile
) $(common-objpfx
)errnos.h
135 $(common-objpfx
)errnos.h
: $(common-objpfx
)make-errnos
136 $(dir $<)$(notdir $<) > $@
-tmp
139 $(common-objpfx
)make-errnos
: $(common-objpfx
)make-errnos.c
140 $(common-objdir-compile
)
142 $(common-objpfx
)make-errnos.c
: $(sysdep_dir
)/unix
/errnos-tmpl.c \
143 $(sysdep_dir
)/unix
/errnos.awk
$(common-objpfx
)errnos
144 awk
-f
$(word 2,$^
) errnos
="`tr '\012' ' ' < $(word 3,$^)`" $< > $@T
147 $(common-objpfx
)errnos
: $(wildcard $(sysincludedir
)/errno.h \
148 $(sysincludedir
)/sys
/errno.h
)
149 cat
$^ | sed
-n
's/^#define[ ]*\(E[A-Z0-9][A-Z0-9]*\)[ ].*$$/\1/p' > $@
-tmp
152 common-generated
:= $(common-generated
) \
153 errnos.h errnos make-errnos make-errnos.c
156 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(common-objpfx
),\
157 $(dir $(firstword $(wildcard $(+sysdep_dirs
:%=%/ioctls.h
))))))
159 before-compile
:= $(before-compile
) $(common-objpfx
)ioctls.h
161 $(common-objpfx
)ioctls.h
: $(common-objpfx
)make-ioctls
162 $(dir $<)$(notdir $<) > $@
-tmp
165 ioctl-includes
:= sys
/termios.h net
/nit.h
166 ioctl-includes
:= $(wildcard $(addprefix $(sysincludedir
)/,$(ioctl-includes
)))
167 make-ioctls-CFLAGS
:= $(subst /,_
,$(subst .
,_
,\
168 $(patsubst $(sysincludedir
)/%,-DHAVE_
%,\
171 $(common-objpfx
)make-ioctls
: $(common-objpfx
)make-ioctls.c
172 cd
$(@D
); $(BUILD_CC
) $(BUILD_CFLAGS
) $(make-ioctls-CFLAGS
) \
173 $(<:$(common-objpfx
)%=%) -o
$(@F
)
175 $(common-objpfx
)make-ioctls.c
: $(sysdep_dir
)/unix
/ioctls-tmpl.c \
176 $(sysdep_dir
)/unix
/ioctls.awk \
177 $(common-objpfx
)ioctls
178 awk
-f
$(word 2,$^
) requests
="`cat $(word 3,$^)`" $< > $@T
182 termbits.h
:= $(firstword $(wildcard $(+sysdep_dirs
:%=%/termbits.h
)))
183 ifeq ($(termbits.h
),$(sysdep_dir
)/generic
/termbits.h
)
184 termbits.h
:= # Ignore the generic version.
187 # If there is a system-specific <termbits.h> file, we want to omit all the
188 # symbols it defines from ioctls. Otherwise, both ioctls.h and termbits.h
189 # would define them. The system-specific <termbits.h> file presumably
190 # defines them with the same values as we find from the system's headers.
191 # We also want to omit from ioctls the symbols defined in our own
192 # <sys/ttydefaults.h>, to avoid multiple definition conflicts. We use
193 # snarf-ioctls on these files to find what symbols we want to omit. fgrep
194 # -xv gives all lines which do not match in their entirety; without -x,
195 # CSTOP's presence elided TIOCSTOP.
197 $(common-objpfx
)ioctls
: $(sysdep_dir
)/unix
/snarf-ioctls \
198 $(sysincludedir
)/sys
/ioctl.h
$(ioctl-includes
)
199 $(dir $<)$(notdir $<) $(filter-out $<,$^
) \
200 | fgrep
-xv
"`($(dir $<)$(notdir $<) $(termbits.h) \
201 $(..)termios/sys/ttydefaults.h; \
204 |
sort | uniq | tr
'\012' ' ' > $@
-tmp
207 common-generated
:= $(common-generated
) \
208 ioctls.h ioctls make-ioctls make-ioctls.c
211 ifeq ($(subdir
),stdio-common
)
212 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(objpfx
),\
213 $(dir $(firstword $(wildcard $(+sysdep_dirs
:%=%/errlist.c
))))))
215 before-compile
: $(objpfx
)errlist.c
216 $(objpfx
)errlist.c
: $(objpfx
)make_errlist
218 $(dir $<)$(notdir $<) > $@
-tmp
221 $(objpfx
)make_errlist
: $(sysdep_dir
)/unix
/make_errlist.c
224 generated
:= $(generated
) make_errlist errlist.c
229 ifeq (,$(filter-out $(sysdep_dir
)/stub
/ $(common-objpfx
),\
230 $(dir $(firstword $(wildcard $(+sysdep_dirs
:%=%/sys
/syscall.h
))))))
232 # The syscall code assumes a file <sys/syscall.h> that defines macros
233 # `SYS_call' for syscall `call'. Variations on this I have seen include:
234 # it's in <sys/syscall.h>;
236 # it defines `CALL' instead of `SYS_call'.
237 # Irix has a <syscall.h> which is not what we want, so check for <sys.s> first.
239 # Find a file that might have these. NOTE: This list of possibilities is
240 # repeated in sysdeps/unix/configure and the two should be kept in sync.
241 syscall.h
:= $(firstword $(wildcard $(addprefix $(sysincludedir
)/, \
244 syscall.h sys
/syscall.h \
248 # Transmogrify any of several formats of the file into the one we want.
249 $(common-objpfx
)sys
/syscall.h
: $(syscall.h
)
250 -mkdir
$(common-objpfx
)sys
251 tr
'[A-Z]' '[a-z]' < $< | \
252 sed
-e
's/[ ]sys_/ /' \
253 -e
's/^#define[ ]*\([a-z0-9_]*\)[ ]*/#define SYS_\1 /' \
254 -e
's/[ ]sys_/ SYS_/' \
255 -e
's/SYS_syscall_basenum/syscall_basenum/g' \
256 -e
's/SYS_kerncall_basenum/kerncall_basenum/g' \
257 -e
's/SYS_sysvoffset/sysvoffset/g' \
260 -e
's-\(/\*[^*]*\)$$-\1\*/-' \
264 before-compile
:= $(before-compile
) $(common-objpfx
)syscall.h
265 common-generated
:= $(common-generated
) syscall.h
271 ifndef inhibit-unix-syscalls
273 # Sysdep dirs unix/... can contain a file syscalls.list,
274 # which specifies objects to be compiled as simple Unix system calls.
276 -include $(common-objpfx
)sysd-syscalls
277 omit-deps
+= $(unix-syscalls
)
279 ifeq (misc
,$(subdir
))
280 sysdep_routines
+= $(unix-extra-syscalls
)
284 export asm_CPP
:= $(COMPILE.S
) -E
-x assembler-with-cpp
286 $(common-objpfx
)sysd-syscalls
: $(..
)sysdeps
/unix
/make-syscalls.sh \
287 $(wildcard $(+sysdep_dirs
:%=%/syscalls.list
))
288 for
dir in
$(+sysdep_dirs
); do \
289 test -f
$$dir/syscalls.list
&& \
290 { $(SHELL
) $(dir $<)$(notdir $<) $$dir || exit
1; }; \
291 test $$dir = $(..
)sysdeps
/unix
&& break
; \
295 # This syscall objects depend on s-proto.d, which is generated to
296 # specify dependencies generated syscalls with have on headers.
299 # These deps use file names relative to a subdir, so don't
300 # include them in the parent directory.
301 -include $(common-objpfx
)s-proto.d
305 $(common-objpfx
)s-proto.d
: $(common-objpfx
)%.d
: $(..
)sysdeps
/unix
/%.S