# 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