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@ -1,5 +1,4 @@ |
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# Copyright (C) 1991,1992,1993,1994,1995,1996,1997,1998,1999,2003,2006,2008,2009
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# Free Software Foundation, Inc.
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# Copyright (C) 1991-2012 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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@ -16,243 +15,6 @@ |
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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# The unix-specific configure fragment writes `unix-generated' in config.make.
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config-generated := $(config-generated) $(unix-generated) |
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ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\ |
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$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/local_lim.h)))))) |
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ifneq (,$(wildcard $(sysincludedir)/sys/param.h)) |
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mk-local_lim-CFLAGS += -DHAVE_SYS_PARAM_H |
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endif |
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ifneq (,$(wildcard $(sysincludedir)/sys/limits.h)) |
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mk-local_lim-CFLAGS += -DHAVE_SYS_LIMITS_H |
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endif |
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ifneq (,$(wildcard $(sysincludedir)/limits.h)) |
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mk-local_lim-CFLAGS += -DHAVE_LIMITS_H |
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endif |
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$(common-objpfx)bits/local_lim.h: $(common-objpfx)mk-local_lim |
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$(dir $<)$(notdir $<) > $@-t |
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mv -f $@-t $@ |
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$(common-objpfx)mk-local_lim: $(sysdep_dir)/unix/mk-local_lim.c |
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$(common-objdir-compile) |
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before-compile += $(common-objpfx)bits/local_lim.h |
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common-generated += bits/local_lim.h mk-local_lim |
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endif |
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ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\ |
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$(patsubst %/sys/param.h,%/,\
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$(firstword $(wildcard $(+sysdep_dirs:%=%/sys/param.h)))))) |
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before-compile := $(before-compile) $(common-objpfx)sys/param.h |
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$(common-objpfx)sys/param.h: $(sysincludedir)/sys/param.h |
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$(make-target-directory) |
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(echo '#ifndef _SYS_PARAM_H'; \
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echo '#define _SYS_PARAM_H 1'; \
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echo '#include <endian.h>'; \
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$(AWK) < $< \
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'/^#define[ ]*NULL/ { print "#ifndef NULL"; \
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print $$0; \
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print "#endif"; \
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was_null = 1 } \
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{ if (!was_null) print $$0; \
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was_null = 0 }'; \
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echo '#ifndef MAXHOSTNAMELEN'; \
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echo '#define MAXHOSTNAMELEN 64 /* XXX */'; \
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echo '#endif /* No MAXHOSTNAMELEN. */'; \
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echo '#endif /* sys/param.h */') > $@-tmp |
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mv $@-tmp $@ |
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$(common-objpfx)param.h.c: $(sysincludedir)/sys/param.h |
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rm -f $@ |
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cp $< $@ |
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$(common-objpfx)param.h.dep: $(common-objpfx)param.h.c \ |
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$(sysdep_dir)/unix/Makefile |
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$(+mkdep) -I$(sysincludedir) $< \
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| sed > $@-t \
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-e 's@$(sysincludedir)/sys/param.h@@' \
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-e 's@^.*:@@' \
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-e 's@$<@@g' \
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-e 's@$(sysincludedir)/*@@g' \
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-e 's@\\$$@@' \
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-e 's@^@sys/param.h-includes := $$(sys/param.h-includes) @' |
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mv $@-t $@ |
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# Get the generated definition of sys/param.h-includes.
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ifndef no_deps |
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-include $(common-objpfx)param.h.dep |
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endif |
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# Don't preempt our own headers.
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sys/param.h-includes := \ |
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$(filter-out $(patsubst $(..)%,%,\
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$(wildcard $(addprefix $(..),\
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$(sys/param.h-includes)))),\
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$(sys/param.h-includes)) |
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.PHONY: sys/param.h-includes |
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sys/param.h-includes: $(addprefix $(common-objpfx),$(sys/param.h-includes)) |
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ifdef sys/param.h-includes |
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# Copy the system files to $(common-objdir).
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$(addprefix $(common-objpfx),$(sys/param.h-includes)): $(common-objpfx)%: \ |
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$(sysincludedir)/% |
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$(make-target-directory) |
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# Some of these files sometimes contain conflicting declarations for htons,
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# ntohs, etc. They also often contain definitions of *_ENDIAN and
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# BYTE_ORDER, which we define ourselves in <endian.h>.
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sed -e '/[ ]*[hn]to[nh][sl][ (]*/d' \
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-e '/^#define[ ]*[A-Z]*_ENDIAN/d' \
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-e '/^#define[ ]*BYTE_ORDER/d' \
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$< > $@-t |
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mv $@-t $@ |
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endif |
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common-generated := $(common-generated) \
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sys/param.h $(sys/param.h-includes) param.h.c param.h.dep |
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ifeq ($(subdir),misc) |
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# Install system headers the system sys/param.h uses.
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sysdep_headers := $(sysdep_headers) $(sys/param.h-includes) |
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endif # misc
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endif # No sysdep sys/param.h.
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ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\ |
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$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/errno.h)))))) |
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# These need to exist before any compiling is done,
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# so cpp doesn't instead find the generic versions.
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before-compile := $(before-compile) $(common-objpfx)bits/errno.h |
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$(common-objpfx)bits/errno.h: $(common-objpfx)make-errnos |
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$(dir $<)$(notdir $<) > $@-tmp |
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mv $@-tmp $@ |
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$(common-objpfx)make-errnos: $(common-objpfx)make-errnos.c |
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$(common-objdir-compile) |
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$(common-objpfx)make-errnos.c: $(sysdep_dir)/unix/errnos-tmpl.c \ |
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$(sysdep_dir)/unix/errnos.awk $(common-objpfx)errnos |
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$(AWK) -f $(word 2,$^) errnos="`tr '\012' ' ' < $(word 3,$^)`" $< > $@T |
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mv $@T $@ |
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$(common-objpfx)errnos: $(wildcard $(sysincludedir)/errno.h \ |
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$(sysincludedir)/sys/errno.h) |
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sed -n 's/^#define[ ]*\(E[A-Z0-9][A-Z0-9]*\)[ ].*$$/\1/p' \
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$^ > $@-tmp |
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mv $@-tmp $@ |
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common-generated := $(common-generated) \
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errnos.h errnos make-errnos make-errnos.c |
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endif |
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ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\ |
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$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/ioctls.h)))))) |
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before-compile := $(before-compile) $(common-objpfx)bits/ioctls.h |
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$(common-objpfx)bits/ioctls.h: $(common-objpfx)make-ioctls |
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$(dir $<)$(notdir $<) > $@-tmp |
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mv $@-tmp $@ |
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ioctl-includes := sys/termios.h net/nit.h |
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ioctl-includes := $(wildcard $(addprefix $(sysincludedir)/,$(ioctl-includes))) |
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make-ioctls-CFLAGS := $(subst /,_,$(subst .,_,\
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$(patsubst $(sysincludedir)/%,-DHAVE_%,\
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$(ioctl-includes)))) |
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$(common-objpfx)make-ioctls: $(common-objpfx)make-ioctls.c |
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$(common-objdir-compile) |
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$(common-objpfx)make-ioctls.c: $(sysdep_dir)/unix/ioctls-tmpl.c \ |
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$(sysdep_dir)/unix/ioctls.awk \
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$(common-objpfx)ioctls |
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$(AWK) -f $(word 2,$^) requests="`cat $(word 3,$^)`" $< > $@T |
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mv $@T $@ |
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bits_termios.h := $(firstword $(wildcard $(+sysdep_dirs:%=%/bits/termios.h))) |
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ifeq ($(bits_termios.h),$(sysdep_dir)/generic/bits/termios.h) |
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bits_termios.h := # Ignore the generic version. |
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endif |
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# If there is a system-specific <bits/termios.h> file, we want to omit
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# all the symbols it defines from ioctls. Otherwise, both
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# <bits/ioctls.h> and <bits/termios.h> would define them. The
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# system-specific <bits/termios.h> file presumably defines them with
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# the same values as we find from the system's headers. We also want
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# to omit from ioctls the symbols defined in our own
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# <sys/ttydefaults.h>, to avoid multiple definition conflicts. We use
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# snarf-ioctls on these files to find what symbols we want to omit.
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# fgrep -xv gives all lines which do not match in their entirety;
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# without -x, CSTOP's presence elided TIOCSTOP.
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$(common-objpfx)ioctls: $(sysdep_dir)/unix/snarf-ioctls \ |
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$(sysincludedir)/sys/ioctl.h $(ioctl-includes) |
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$(dir $<)$(notdir $<) $(filter-out $<,$^) \
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| fgrep -xv "`($(dir $<)$(notdir $<) $(bits_termios.h) \
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$(..)sysdeps/generic/sys/ttydefaults.h; \
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echo NULL) \
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| sort | uniq`" \
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| sort | uniq | tr '\012' ' ' > $@-tmp |
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mv $@-tmp $@ |
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common-generated := $(common-generated) \
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bits/ioctls.h ioctls make-ioctls make-ioctls.c |
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endif |
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ifeq (,$(filter-out $(sysdep_dir)/generic/ $(common-objpfx),\ |
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$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/sys/syscall.h)))))) |
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# The syscall code assumes a file <sys/syscall.h> that defines macros
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# `SYS_call' for syscall `call'. Variations on this I have seen include:
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# it's in <sys/syscall.h>;
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# it's in <sys.s>;
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# it defines `CALL' instead of `SYS_call'.
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# Irix has a <syscall.h> which is not what we want, so check for <sys.s> first.
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# Find a file that might have these. NOTE: This list of possibilities is
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# repeated in sysdeps/unix/configure and the two should be kept in sync.
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syscall.h := $(firstword $(wildcard $(addprefix $(sysincludedir)/, \
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sys.s sys/sys.s \
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sys.S sys/sys.S \
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syscall.h sys/syscall.h \
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))) |
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ifdef syscall.h |
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# Transmogrify any of several formats of the file into the one we want.
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$(common-objpfx)sys/syscall.h: $(syscall.h) |
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$(make-target-directory) |
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tr '[A-Z]' '[a-z]' < $< | \
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sed -e 's/[ ]sys_/ /' \
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-e 's/^#define[ ]*\([a-z0-9_]*\)[ ]*/#define SYS_\1 /' \
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-e 's/[ ]sys_/ SYS_/' \
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-e 's/SYS_syscall_basenum/syscall_basenum/g' \
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-e 's/SYS_kerncall_basenum/kerncall_basenum/g' \
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-e 's/SYS_sysvoffset/sysvoffset/g' \
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-e '/^#/!d' \
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-e '/^#ident/d' \
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-e 's-\(/\*[^*]*\)$$-\1\*/-' \
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> $@-tmp |
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mv $@-tmp $@ |
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before-compile += $(common-objpfx)sys/syscall.h |
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common-generated += sys/syscall.h |
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endif |
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endif |
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ifndef inhibit-unix-syscalls |
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# Sysdep dirs unix/... can contain a file syscalls.list,
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Joseph Myers
14 years ago