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
19vxworks.o: $(srcdir)/config/vxworks.c
20	$(COMPILE) $<
21	$(POSTCOMPILE)
22
23vxworks-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
31INSTALL_HEADERS += install-stdint.h
32
33install-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
43LIMITS_H_TEST = true
44STMP_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
57stmp-int-hdrs: subst-glimits.h
58
59subst-%.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
68INSTALL_HEADERS += restore-glimits.h
69
70restore-glimits.h: stmp-int-hdrs
71	cp -p orig-glimits.h $(srcdir)/glimits.h
72