176 lines
5.5 KiB
Makefile
176 lines
5.5 KiB
Makefile
# Copyright (C) 1991, 1992 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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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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ifeq ($(subdir),misc)
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sysdep_headers := $(sysdep_headers) sys/param.h
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dont_distribute := $(dont_distribute) sys/param.h # Generated.
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endif
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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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-mkdir $(dir $@)
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(echo '#ifndef _GNU_SYS_PARAM_H'; \
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echo '#define _GNU_SYS_PARAM_H 1'; \
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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 '#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 > $@ \
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-e 's@^.*:@@' \
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-e 's@$<@@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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ifeq ($(subdir),misc)
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# Install system headers the system sys/param.h uses.
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include $(common-objpfx)param.h.dep
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# Don't preempt our own headers.
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sys/param.h-includes := \
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$(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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sysdep_headers := $(sysdep_headers) $(sys/param.h-includes)
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dont_distribute := $(dont_distribute) $(sys/param.h-includes) # Generated.
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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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-mkdir $(dir $@)
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# Some of these files sometimes contain conflicting declarations
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# for htons, ntohs, etc.
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sed '/[ ]*[hn][sl]to[nh][sl][ (]*/d' $< > $@-tmp
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mv $@-tmp $@
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endif
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endif # misc
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ifeq "$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/errnos.h))))" \
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"$(sysdep_dir)/stub/"
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# These need to exist before any compiling is done,
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# so cpp doesn't instead find the stub versions.
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before-compile := $(before-compile) $(common-objpfx)errnos.h
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$(common-objpfx)errnos.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' ' ' < $(word 3,$^)`" $< > $@-tmp
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mv $@-tmp $@
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$(common-objpfx)errnos: $(wildcard $(sysincludedir)/errno.h \
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$(sysincludedir)/sys/errno.h)
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cat $^ | sed -n 's/^#define[ ]*\(E[A-Z0-9]*\)[ ]*[0-9][0-9]*[ ]*.*$$/\1/p' > $@-tmp
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mv $@-tmp $@
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endif
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ifeq "$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/ioctls.h))))" \
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"$(sysdep_dir)/stub/"
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before-compile := $(before-compile) $(common-objpfx)ioctls.h
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$(common-objpfx)ioctls.h: $(common-objpfx)make-ioctls
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$(dir $<)$(notdir $<) > $@-tmp
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mv $@-tmp $@
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$(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 $(word 3,$^)`" $< > $@-tmp
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mv $@-tmp $@
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$(common-objpfx)ioctls: $(sysdep_dir)/unix/snarf-ioctls \
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$(sysincludedir)/sys/ioctl.h
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$(dir $<)$(notdir $<) $(word 2,$^) | tr '\012' ' ' > $@-tmp
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mv $@-tmp $@
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endif
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ifeq ($(subdir),stdio)
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before-compile: $(objpfx)errlist.c
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$(objpfx)errlist.c: $(objpfx)make_errlist
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@rm -f $@
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$< > $@-tmp
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mv $@-tmp $@
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$(objpfx)make_errlist: $(sysdep_dir)/unix/make_errlist.c
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$(native-compile)
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endif
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ifeq "$(dir $(firstword $(wildcard $(+sysdep_dirs:%=%/syscall.h))))" \
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"$(sysdep_dir)/stub/"
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# The syscall code assumes a file <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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# Find a file that might have these.
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syscall.h := $(firstword $(wildcard $(addprefix $(sysincludedir)/, \
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syscall.h sys/syscall.h \
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sys.s sys/sys.s \
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sys.S sys/sys.S)))
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ifdef syscall.h
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# Transmogrify any of several formats of the file into the one we want.
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$(common-objpfx)syscall.h: $(syscall.h)
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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 '/^#/!d' \
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-e '/^#ident/d' \
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> $@-tmp
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mv $@-tmp $@
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before-compile := $(before-compile) $(common-objpfx)syscall.h
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endif
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endif
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