mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
319 lines
10 KiB
Makefile
319 lines
10 KiB
Makefile
# Copyright (C) 1991,92,93,94,95,96,97,98,99 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 Lesser General Public
|
||
# License as published by the Free Software Foundation; either
|
||
# version 2.1 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
|
||
# Lesser General Public License for more details.
|
||
|
||
# You should have received a copy of the GNU Lesser General Public
|
||
# License along with the GNU C Library; if not, write to the Free
|
||
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||
# 02111-1307 USA.
|
||
|
||
# The unix-specific configure fragment writes `unix-generated' in config.make.
|
||
config-generated := $(config-generated) $(unix-generated)
|
||
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\
|
||
$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/local_lim.h))))))
|
||
|
||
ifneq (,$(wildcard $(sysincludedir)/sys/param.h))
|
||
mk-local_lim-CFLAGS += -DHAVE_SYS_PARAM_H
|
||
endif
|
||
ifneq (,$(wildcard $(sysincludedir)/sys/limits.h))
|
||
mk-local_lim-CFLAGS += -DHAVE_SYS_LIMITS_H
|
||
endif
|
||
ifneq (,$(wildcard $(sysincludedir)/limits.h))
|
||
mk-local_lim-CFLAGS += -DHAVE_LIMITS_H
|
||
endif
|
||
|
||
$(common-objpfx)bits/local_lim.h: $(common-objpfx)mk-local_lim
|
||
$(dir $<)$(notdir $<) > $@-t
|
||
mv -f $@-t $@
|
||
$(common-objpfx)mk-local_lim: $(sysdep_dir)/unix/mk-local_lim.c
|
||
$(common-objdir-compile)
|
||
|
||
before-compile += $(common-objpfx)bits/local_lim.h
|
||
common-generated += bits/local_lim.h mk-local_lim
|
||
|
||
endif
|
||
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\
|
||
$(patsubst %/sys/param.h,%/,\
|
||
$(firstword $(wildcard $(+sysdep_dirs:%=%/sys/param.h))))))
|
||
|
||
before-compile := $(before-compile) $(common-objpfx)sys/param.h
|
||
|
||
$(common-objpfx)sys/param.h: $(sysincludedir)/sys/param.h
|
||
$(make-target-directory)
|
||
(echo '#ifndef _SYS_PARAM_H'; \
|
||
echo '#define _SYS_PARAM_H 1'; \
|
||
echo '#include <endian.h>'; \
|
||
$(AWK) < $< \
|
||
'/^#define[ ]*NULL/ { print "#ifndef NULL"; \
|
||
print $$0; \
|
||
print "#endif"; \
|
||
was_null = 1 } \
|
||
{ if (!was_null) print $$0; \
|
||
was_null = 0 }'; \
|
||
echo '#ifndef MAXHOSTNAMELEN'; \
|
||
echo '#define MAXHOSTNAMELEN 64 /* XXX */'; \
|
||
echo '#endif /* No MAXHOSTNAMELEN. */'; \
|
||
echo '#endif /* sys/param.h */') > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
$(common-objpfx)param.h.c: $(sysincludedir)/sys/param.h
|
||
rm -f $@
|
||
cp $< $@
|
||
$(common-objpfx)param.h.dep: $(common-objpfx)param.h.c \
|
||
$(sysdep_dir)/unix/Makefile
|
||
$(+mkdep) -I$(sysincludedir) $< \
|
||
| sed > $@-t \
|
||
-e 's@$(sysincludedir)/sys/param.h@@' \
|
||
-e 's@^.*:@@' \
|
||
-e 's@$<@@g' \
|
||
-e 's@$(sysincludedir)/*@@g' \
|
||
-e 's@\\$$@@' \
|
||
-e 's@^@sys/param.h-includes := $$(sys/param.h-includes) @'
|
||
mv $@-t $@
|
||
|
||
# Get the generated definition of sys/param.h-includes.
|
||
ifndef no_deps
|
||
-include $(common-objpfx)param.h.dep
|
||
endif
|
||
|
||
# Don't preempt our own headers.
|
||
sys/param.h-includes := \
|
||
$(filter-out $(patsubst $(..)%,%,\
|
||
$(wildcard $(addprefix $(..),\
|
||
$(sys/param.h-includes)))),\
|
||
$(sys/param.h-includes))
|
||
|
||
|
||
.PHONY: sys/param.h-includes
|
||
sys/param.h-includes: $(addprefix $(common-objpfx),$(sys/param.h-includes))
|
||
|
||
ifdef sys/param.h-includes
|
||
# Copy the system files to $(common-objdir).
|
||
$(addprefix $(common-objpfx),$(sys/param.h-includes)): $(common-objpfx)%: \
|
||
$(sysincludedir)/%
|
||
$(make-target-directory)
|
||
# Some of these files sometimes contain conflicting declarations for htons,
|
||
# ntohs, etc. They also often contain definitions of *_ENDIAN and
|
||
# BYTE_ORDER, which we define ourselves in <endian.h>.
|
||
sed -e '/[ ]*[hn]to[nh][sl][ (]*/d' \
|
||
-e '/^#define[ ]*[A-Z]*_ENDIAN/d' \
|
||
-e '/^#define[ ]*BYTE_ORDER/d' \
|
||
$< > $@-t
|
||
mv $@-t $@
|
||
endif
|
||
|
||
common-generated := $(common-generated) \
|
||
sys/param.h $(sys/param.h-includes) param.h.c param.h.dep
|
||
|
||
|
||
ifeq ($(subdir),misc)
|
||
|
||
# Install system headers the system sys/param.h uses.
|
||
|
||
sysdep_headers := $(sysdep_headers) $(sys/param.h-includes)
|
||
|
||
endif # misc
|
||
|
||
endif # No sysdep sys/param.h.
|
||
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\
|
||
$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/errno.h))))))
|
||
|
||
# These need to exist before any compiling is done,
|
||
# so cpp doesn't instead find the generic versions.
|
||
before-compile := $(before-compile) $(common-objpfx)bits/errno.h
|
||
|
||
$(common-objpfx)bits/errno.h: $(common-objpfx)make-errnos
|
||
$(dir $<)$(notdir $<) > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
$(common-objpfx)make-errnos: $(common-objpfx)make-errnos.c
|
||
$(common-objdir-compile)
|
||
|
||
$(common-objpfx)make-errnos.c: $(sysdep_dir)/unix/errnos-tmpl.c \
|
||
$(sysdep_dir)/unix/errnos.awk $(common-objpfx)errnos
|
||
$(AWK) -f $(word 2,$^) errnos="`tr '\012' ' ' < $(word 3,$^)`" $< > $@T
|
||
mv $@T $@
|
||
|
||
$(common-objpfx)errnos: $(wildcard $(sysincludedir)/errno.h \
|
||
$(sysincludedir)/sys/errno.h)
|
||
sed -n 's/^#define[ ]*\(E[A-Z0-9][A-Z0-9]*\)[ ].*$$/\1/p' \
|
||
$^ > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
common-generated := $(common-generated) \
|
||
errnos.h errnos make-errnos make-errnos.c
|
||
endif
|
||
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\
|
||
$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/ioctls.h))))))
|
||
|
||
before-compile := $(before-compile) $(common-objpfx)bits/ioctls.h
|
||
|
||
$(common-objpfx)bits/ioctls.h: $(common-objpfx)make-ioctls
|
||
$(dir $<)$(notdir $<) > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
ioctl-includes := sys/termios.h net/nit.h
|
||
ioctl-includes := $(wildcard $(addprefix $(sysincludedir)/,$(ioctl-includes)))
|
||
make-ioctls-CFLAGS := $(subst /,_,$(subst .,_,\
|
||
$(patsubst $(sysincludedir)/%,-DHAVE_%,\
|
||
$(ioctl-includes))))
|
||
|
||
$(common-objpfx)make-ioctls: $(common-objpfx)make-ioctls.c
|
||
$(common-objdir-compile)
|
||
|
||
$(common-objpfx)make-ioctls.c: $(sysdep_dir)/unix/ioctls-tmpl.c \
|
||
$(sysdep_dir)/unix/ioctls.awk \
|
||
$(common-objpfx)ioctls
|
||
$(AWK) -f $(word 2,$^) requests="`cat $(word 3,$^)`" $< > $@T
|
||
mv $@T $@
|
||
|
||
|
||
bits_termios.h := $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/termios.h)))
|
||
ifeq ($(bits_termios.h),$(sysdep_dir)/generic/bits/termios.h)
|
||
bits_termios.h := # Ignore the generic version.
|
||
endif
|
||
|
||
# If there is a system-specific <bits/termios.h> file, we want to omit
|
||
# all the symbols it defines from ioctls. Otherwise, both
|
||
# <bits/ioctls.h> and <bits/termios.h> would define them. The
|
||
# system-specific <bits/termios.h> file presumably defines them with
|
||
# the same values as we find from the system's headers. We also want
|
||
# to omit from ioctls the symbols defined in our own
|
||
# <sys/ttydefaults.h>, to avoid multiple definition conflicts. We use
|
||
# snarf-ioctls on these files to find what symbols we want to omit.
|
||
# fgrep -xv gives all lines which do not match in their entirety;
|
||
# without -x, CSTOP's presence elided TIOCSTOP.
|
||
|
||
$(common-objpfx)ioctls: $(sysdep_dir)/unix/snarf-ioctls \
|
||
$(sysincludedir)/sys/ioctl.h $(ioctl-includes)
|
||
$(dir $<)$(notdir $<) $(filter-out $<,$^) \
|
||
| fgrep -xv "`($(dir $<)$(notdir $<) $(bits_termios.h) \
|
||
$(..)sysdeps/generic/sys/ttydefaults.h; \
|
||
echo NULL) \
|
||
| sort | uniq`" \
|
||
| sort | uniq | tr '\012' ' ' > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
common-generated := $(common-generated) \
|
||
bits/ioctls.h ioctls make-ioctls make-ioctls.c
|
||
endif
|
||
|
||
ifeq ($(subdir),stdio-common)
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(objpfx),\
|
||
$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/errlist.c))))))
|
||
|
||
before-compile: $(objpfx)errlist.c
|
||
$(objpfx)errlist.c: $(objpfx)make_errlist
|
||
@rm -f $@
|
||
$(dir $<)$(notdir $<) > $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
$(objpfx)make_errlist: $(sysdep_dir)/unix/make_errlist.c
|
||
$(native-compile)
|
||
|
||
generated := $(generated) make_errlist errlist.c
|
||
|
||
endif
|
||
endif # stdio-common
|
||
|
||
ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\
|
||
$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/sys/syscall.h))))))
|
||
|
||
# The syscall code assumes a file <sys/syscall.h> that defines macros
|
||
# `SYS_call' for syscall `call'. Variations on this I have seen include:
|
||
# it's in <sys/syscall.h>;
|
||
# it's in <sys.s>;
|
||
# it defines `CALL' instead of `SYS_call'.
|
||
# Irix has a <syscall.h> which is not what we want, so check for <sys.s> first.
|
||
|
||
# Find a file that might have these. NOTE: This list of possibilities is
|
||
# repeated in sysdeps/unix/configure and the two should be kept in sync.
|
||
syscall.h := $(firstword $(wildcard $(addprefix $(sysincludedir)/, \
|
||
sys.s sys/sys.s \
|
||
sys.S sys/sys.S \
|
||
syscall.h sys/syscall.h \
|
||
)))
|
||
ifdef syscall.h
|
||
|
||
# Transmogrify any of several formats of the file into the one we want.
|
||
$(common-objpfx)sys/syscall.h: $(syscall.h)
|
||
$(make-target-directory)
|
||
tr '[A-Z]' '[a-z]' < $< | \
|
||
sed -e 's/[ ]sys_/ /' \
|
||
-e 's/^#define[ ]*\([a-z0-9_]*\)[ ]*/#define SYS_\1 /' \
|
||
-e 's/[ ]sys_/ SYS_/' \
|
||
-e 's/SYS_syscall_basenum/syscall_basenum/g' \
|
||
-e 's/SYS_kerncall_basenum/kerncall_basenum/g' \
|
||
-e 's/SYS_sysvoffset/sysvoffset/g' \
|
||
-e '/^#/!d' \
|
||
-e '/^#ident/d' \
|
||
-e 's-\(/\*[^*]*\)$$-\1\*/-' \
|
||
> $@-tmp
|
||
mv $@-tmp $@
|
||
|
||
before-compile += $(common-objpfx)sys/syscall.h
|
||
common-generated += sys/syscall.h
|
||
|
||
endif
|
||
|
||
endif
|
||
|
||
ifndef inhibit-unix-syscalls
|
||
|
||
# Sysdep dirs unix/... can contain a file syscalls.list,
|
||
# which specifies objects to be compiled as simple Unix system calls.
|
||
|
||
-include $(common-objpfx)sysd-syscalls
|
||
omit-deps += $(unix-syscalls)
|
||
|
||
ifeq (misc,$(subdir))
|
||
sysdep_routines += $(unix-extra-syscalls)
|
||
endif
|
||
|
||
export sysdirs
|
||
export asm_CPP := $(COMPILE.S) -E -x assembler-with-cpp
|
||
|
||
ifndef avoid-generated
|
||
$(common-objpfx)sysd-syscalls: $(..)sysdeps/unix/make-syscalls.sh \
|
||
$(wildcard $(+sysdep_dirs:%=%/syscalls.list))
|
||
for dir in $(+sysdep_dirs); do \
|
||
test -f $$dir/syscalls.list && \
|
||
{ $(SHELL) $(dir $<)$(notdir $<) $$dir || exit 1; }; \
|
||
test $$dir = $(..)sysdeps/unix && break; \
|
||
done > $@T
|
||
mv -f $@T $@
|
||
endif
|
||
|
||
# This syscall objects depend on s-proto.d, which is generated to
|
||
# specify dependencies generated syscalls with have on headers.
|
||
ifdef subdir
|
||
ifndef no_deps
|
||
# These deps use file names relative to a subdir, so don't
|
||
# include them in the parent directory.
|
||
-include $(common-objpfx)s-proto.d
|
||
endif
|
||
endif
|
||
|
||
$(common-objpfx)s-proto.d: $(common-objpfx)%.d: $(..)sysdeps/unix/%.S \
|
||
$(wildcard $(+sysdep_dirs:%=%/syscalls.list))
|
||
# Don't try to use compat.h in the db2 subdir
|
||
$(subst -include ./compat.h,,$(+make-deps))
|
||
|
||
common-generated += s-proto.d
|
||
postclean-generated += sysd-syscalls
|
||
|
||
endif
|