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Makefile | 1994-08-16 | 9.1 KB | 268 lines |
- # 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
-