diff options
Diffstat (limited to 'sysdeps/unix/Makefile')
| -rw-r--r-- | sysdeps/unix/Makefile | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/sysdeps/unix/Makefile b/sysdeps/unix/Makefile new file mode 100644 index 0000000000..6bc0f5a1d0 --- /dev/null +++ b/sysdeps/unix/Makefile @@ -0,0 +1,267 @@ +# Copyright (C) 1991, 1992, 1993, 1994 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., 675 Mass Ave, +# Cambridge, MA 02139, USA. + +# The unix-specific configure fragment writes `unix-generated' in config.make. +config-generated := $(config-generated) $(unix-generated) + +ifeq (,$(filter-out $(sysdep_dir)/stub/ $(common-objpfx),\ + $(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/local_lim.h)))))) + +ifneq (,$(wildcard $(sysincludedir)/sys/param.h)) +local_lim-CFLAGS := $(local_lim-CFLAGS) -DHAVE_SYS_PARAM_H +endif +ifneq (,$(wildcard $(sysincludedir)/sys/limits.h)) +local_lim-CFLAGS := $(local_lim-CFLAGS) -DHAVE_SYS_LIMITS_H +endif +ifneq (,$(wildcard $(sysincludedir)/limits.h)) +local_lim-CFLAGS := $(local_lim-CFLAGS) -DHAVE_LIMITS_H +endif + +$(common-objpfx)local_lim.h: $(common-objpfx)mk-local_lim + if $(dir $<)$(notdir $<) > $@-t; then mv $@-t $@; else XXX; fi +$(common-objpfx)mk-local_lim: $(sysdep_dir)/unix/mk-local_lim.c + cwd=`pwd`; cd $(@D); \ + $(BUILD_CC) $(BUILD_CFLAGS) $(local_lim-CFLAGS) $$cwd/$< -o $(@F) + +before-compile := $(before-compile) $(common-objpfx)local_lim.h +common-generated := $(common-generated) local_lim.h mk-local_lim + +endif + +ifeq (,$(filter-out $(sysdep_dir)/stub/ $(common-objpfx),\ + $(patsubst %/sys/param.h,%/,\ + $(firstword $(wildcard $(+sysdep_dirs:%=%/sys/param.h)))))) + +before-compile := $(before-compile) $(common-objpfx)sys/param.h + +$(common-objpfx)sys/param.h: $(sysincludedir)/sys/param.h + -mkdir $(@D:%/=%) + (echo '#ifndef _GNU_SYS_PARAM_H'; \ + echo '#define _GNU_SYS_PARAM_H 1'; \ + echo '#include <endian.h>'; \ + awk < $< \ + '/^#define[ ]*NULL/ { print "#ifndef NULL"; \ + print $$0; \ + print "#endif"; \ + was_null = 1 } \ + { if (!was_null) print $$0; \ + was_null = 0 }'; \ + echo '#ifndef MAXHOSTNAMELEN'; \ + echo '#define MAXHOSTNAMELEN 64 /* XXX */'; \ + echo '#endif /* No MAXHOSTNAMELEN. */'; \ + echo '#endif /* sys/param.h */') > $@-tmp + mv $@-tmp $@ + +$(common-objpfx)param.h.c: $(sysincludedir)/sys/param.h + rm -f $@ + cp $< $@ +$(common-objpfx)param.h.dep: $(common-objpfx)param.h.c \ + $(sysdep_dir)/unix/Makefile + $(+mkdep) -I$(sysincludedir) $< \ + | sed > $@ \ + -e 's@^.*:@@' \ + -e 's@$<@@g' \ + -e 's@$(sysincludedir)/*@@g' \ + -e 's@\\$$@@' \ + -e 's@^@sys/param.h-includes := $$(sys/param.h-includes) @' + +# 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)/% + -mkdir $(@D:%/=%) +# 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)/stub/ $(common-objpfx),\ + $(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/errnos.h)))))) + +# These need to exist before any compiling is done, +# so cpp doesn't instead find the stub versions. +before-compile := $(before-compile) $(common-objpfx)errnos.h + +$(common-objpfx)errnos.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) + cat $^ | 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)/stub/ $(common-objpfx),\ + $(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/ioctls.h)))))) + +before-compile := $(before-compile) $(common-objpfx)ioctls.h + +$(common-objpfx)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 + cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) $(make-ioctls-CFLAGS) \ + $(<:$(common-objpfx)%=%) -o $(@F) + +$(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 $@ + + +termbits.h := $(firstword $(wildcard $(+sysdep_dirs:%=%/termbits.h))) +ifeq ($(termbits.h),$(sysdep_dir)/generic/termbits.h) +termbits.h := # Ignore the generic version. +endif + +# If there is a system-specific <termbits.h> file, we want to omit all the +# symbols it defines from ioctls. Otherwise, both ioctls.h and termbits.h +# would define them. The system-specific <termbits.h> file presumably +# defines them with the same values as we find from the system's headers. +# We also want to omit from ioctls the symbols defined in our own +# <sys/ttydefaults.h>, to avoid multiple definition conflicts. We use +# snarf-ioctls on these files to find what symbols we want to omit. fgrep +# -xv gives all lines which do not match in their entirety; without -x, +# CSTOP's presence elided TIOCSTOP. + +$(common-objpfx)ioctls: $(sysdep_dir)/unix/snarf-ioctls \ + $(sysincludedir)/sys/ioctl.h $(ioctl-includes) + $(dir $<)$(notdir $<) $(filter-out $<,$^) \ + | fgrep -xv "`$(dir $<)$(notdir $<) $(termbits.h) \ + $(..)termios/sys/ttydefaults.h \ + | sort | uniq`" \ + | sort | uniq | tr '\012' ' ' > $@-tmp + mv $@-tmp $@ + +common-generated := $(common-generated) \ + ioctls.h ioctls make-ioctls make-ioctls.c +endif + +ifeq ($(subdir),stdio) +ifeq (,$(filter-out $(sysdep_dir)/stub/ $(common-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 := $(generated) make_errlist errlist.c + +endif +endif # stdio + +ifeq (,$(filter-out $(sysdep_dir)/stub/ $(common-objpfx),\ + $(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/syscall.h)))))) + +# The syscall code assumes a file <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)syscall.h: $(syscall.h) + 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 := $(before-compile) $(common-objpfx)syscall.h +common-generated := $(common-generated) syscall.h + +endif + +endif |