Merge r98192 from mainline.

add DESTDIR support for clang headers, PR6556.
Patch by Matthias Klose!

llvm-svn: 98304

Author: tlattner

clang/Makefile

@@ -39,27 +39,27 @@ cscope.files:
 
 install-local::
 	$(Echo) Installing include files
-	$(Verb) $(MKDIR) $(PROJ_includedir)
+	$(Verb) $(MKDIR) $(DESTDIR)$(PROJ_includedir)
 	$(Verb) if test -d "$(PROJ_SRC_ROOT)/tools/clang/include" ; then \
 	  cd $(PROJ_SRC_ROOT)/tools/clang/include && \
 	  for  hdr in `find . -type f '!' '(' -name '*~' \
 	      -o -name '.#*' -o -name '*.in' -o -name '*.txt' \
 	      -o -name 'Makefile' -o -name '*.td' ')' -print \
               | grep -v CVS | grep -v .svn | grep -v .dir` ; do \
-	    instdir=`dirname "$(PROJ_includedir)/$$hdr"` ; \
+	    instdir=$(DESTDIR)`dirname "$(PROJ_includedir)/$$hdr"` ; \
 	    if test \! -d "$$instdir" ; then \
 	      $(EchoCmd) Making install directory $$instdir ; \
 	      $(MKDIR) $$instdir ;\
 	    fi ; \
-	    $(DataInstall) $$hdr $(PROJ_includedir)/$$hdr ; \
+	    $(DataInstall) $$hdr $(DESTDIR)$(PROJ_includedir)/$$hdr ; \
 	  done ; \
 	fi
 ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
 	$(Verb) if test -d "$(PROJ_OBJ_ROOT)/tools/clang/include" ; then \
 	  cd $(PROJ_OBJ_ROOT)/tools/clang/include && \
 	  for hdr in `find . -type f '!' '(' -name 'Makefile' ')' -print \
             | grep -v CVS | grep -v .tmp | grep -v .dir` ; do \
-	    $(DataInstall) $$hdr $(PROJ_includedir)/$$hdr ; \
+	    $(DataInstall) $$hdr $(DESTDIR)$(PROJ_includedir)/$$hdr ; \
 	  done ; \
 	fi
 endif