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-rw-r--r--gcc/config/t-vxworks33
1 files changed, 10 insertions, 23 deletions
diff --git a/gcc/config/t-vxworks b/gcc/config/t-vxworks
index 8f3d990..5a06ebe 100644
--- a/gcc/config/t-vxworks
+++ b/gcc/config/t-vxworks
@@ -43,29 +43,16 @@ $(INSTALL_HEADERS_DIR): install-stdint.h
LIMITS_H_TEST = true
STMP_FIXINC = stmp-fixinc
-# VxWorks system environments have been GCC based for a long time and we need
-# to make sure that our files and the system ones use distinct macro names to
-# protect against recursive inclusions. We achieve this by temporarily
-# substituting the headers used by stmp-int-headers with alternative versions
-# where we add some version indication in the inclusion-protection macro
+# VxWorks system environments have been GCC based for a long time and
+# we need to make sure that our files and the system ones use distinct
+# macro names to protect against recursive inclusions. We achieve
+# this by modifying the GLIMITS_H fragment that goes into limits.h
+# with some version indication in the inclusion-protection macro
# names.
-# Before the standard stmp-int-headers operations take place, arrange to
-# copy the current version of the relevant header files locally, generate
-# the alternate version and replace the original version with ours:
+T_GLIMITS_H = vxw-glimits.h
-stmp-int-hdrs: subst-glimits.h
-
-subst-%.h:
- cp -p $(srcdir)/$*.h orig-$*.h
- ID=$$(echo $(BASEVER_c) | sed -e 's/\./_/g'); \
- sed -e "s/_LIMITS_H__/_LIMITS_H__$${ID}_/" < $(srcdir)/$*.h > $@
- cp $@ $(srcdir)/$*.h
-
-# Then arrange to restore the original versions after the standard
-# operations have taken place:
-
-INSTALL_HEADERS += restore-glimits.h
-
-restore-glimits.h: stmp-int-hdrs
- cp -p orig-glimits.h $(srcdir)/glimits.h
+vxw-glimits.h: $(srcdir)/glimits.h
+ ID=`echo $(BASEVER_c) | sed -e 's/\./_/g'` && \
+ sed -e "s/_LIMITS_H__/_LIMITS_H__$${ID}_/" < $(srcdir)/glimits.h > $@T
+ mv $@T $@