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t-vxworks revision 1.11 
      1 # Copyright (C) 2002-2020 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.c
     20 	$(COMPILE) $<
     21 	$(POSTCOMPILE)
     22 
     23 vxworks-c.o: $(srcdir)/config/vxworks-c.c
     24 	$(COMPILE) $<
     25 	$(POSTCOMPILE)
     26 
     27 # Arrange to install our stdint.h wrapper, by copying it in the
     28 # build-time include dir before this include dir is installed and after
     29 # stmp-int-hdrs removes it (because it was told we don't provide it).
     30 
     31 INSTALL_HEADERS += install-stdint.h
     32 
     33 install-stdint.h: stmp-int-hdrs
     34 	cp -p $(srcdir)/config/vxworks/stdint.h include/stdint.h
     35 	chmod a+r include/stdint.h
     36 
     37 $(INSTALL_HEADERS_DIR): install-stdint.h
     38 
     39 # Both the kernel and RTP headers provide limits.h.  They embed VxWorks
     40 # specificities and are dated on some configurations so we both need to
     41 # provide our own version and make sure the system one gets exposed.
     42 
     43 LIMITS_H_TEST = true
     44 STMP_FIXINC = stmp-fixinc
     45 
     46 # VxWorks system environments have been GCC based for a long time and we need
     47 # to make sure that our files and the system ones use distinct macro names to
     48 # protect against recursive inclusions.  We achieve this by temporarily
     49 # substituting the headers used by stmp-int-headers with alternative versions
     50 # where we add some version indication in the inclusion-protection macro
     51 # names.
     52 
     53 # Before the standard stmp-int-headers operations take place, arrange to
     54 # copy the current version of the relevant header files locally, generate
     55 # the alternate version and replace the original version with ours:
     56 
     57 stmp-int-hdrs: subst-glimits.h
     58 
     59 subst-%.h:
     60 	cp -p $(srcdir)/$*.h orig-$*.h
     61 	ID=$$(echo $(BASEVER_c) | sed -e 's/\./_/g'); \
     62 	sed -e "s/_LIMITS_H__/_LIMITS_H_$${ID}_/" < $(srcdir)/$*.h > $@
     63 	cp $@ $(srcdir)/$*.h
     64 
     65 # Then arrange to restore the original versions after the standard
     66 # operations have taken place:
     67 
     68 INSTALL_HEADERS += restore-glimits.h
     69 
     70 restore-glimits.h: stmp-int-hdrs
     71 	cp -p orig-glimits.h $(srcdir)/glimits.h
     72