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      1 # Copyright (C) 2002-2022 Free Software Foundation, Inc.
      2 #
      3 # This file is part of GCC.
      4 #
      5 # GCC is free software; you can redistribute it and/or modify
      6 # it under the terms of the GNU General Public License as published by
      7 # the Free Software Foundation; either version 3, or (at your option)
      8 # any later version.
      9 #
     10 # GCC is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with GCC; see the file COPYING3.  If not see
     17 # <http://www.gnu.org/licenses/>.
     18 
     19 vxworks.o: $(srcdir)/config/vxworks.cc
     20 	$(COMPILE) $<
     21 	$(POSTCOMPILE)
     22 
     23 vxworks-c.o: $(srcdir)/config/vxworks-c.cc
     24 	$(COMPILE) $<
     25 	$(POSTCOMPILE)
     26 
     27 # We leverage $sysroot to find target system headers only, distributed
     28 # in a VxWorks (a)typical fashion with a different set of headers for
     29 # rtp vs kernel mode.  We setup SYSROOT_HEADERS_SUFFIX_SPEC to handle
     30 # this, and need to clear NATIVE_SYSTEM_HEADER_DIR to prevent it from
     31 # interfering.
     32 
     33 NATIVE_SYSTEM_HEADER_DIR =
     34 
     35 # Both the kernel and RTP headers provide limits.h.  They embed VxWorks
     36 # specificities and are dated on some configurations so we both need to
     37 # provide our own version and make sure the system one gets exposed.
     38 
     39 LIMITS_H_TEST = true
     40 
     41 # VxWorks system environments have been GCC based for a long time and
     42 # we need to make sure that our files and the system ones use distinct
     43 # macro names to protect against recursive inclusions.  We achieve
     44 # this by modifying the GLIMITS_H fragment that goes into limits.h
     45 # with some version indication in the inclusion-protection macro
     46 # names.
     47 
     48 T_GLIMITS_H = vxw-glimits.h
     49 
     50 vxw-glimits.h: $(srcdir)/glimits.h
     51 	ID=`echo $(BASEVER_c) | sed -e 's/\./_/g'` && \
     52 	sed -e "s/_LIMITS_H__/_LIMITS_H__$${ID}_/" < $< > $@T
     53 	mv $@T $@
     54 
     55 # Arrange to "provide" a tailored version of stdint-gcc.h
     56 
     57 T_STDINT_GCC_H = vxw-stdint-gcc.h
     58 
     59 vxw-stdint-gcc.h: $(srcdir)/ginclude/stdint-gcc.h
     60 	sed -e "/#define _GCC_STDINT_H/ a #include <_yvals.h>" < $< > $@T
     61 	mv $@T $@
     62