Really fix dist*.

These makefiles are copied by configure from srcdir to objdir,
so in that case yes they should be removed by distclean.
However if we are building srcdir == objdir they shouldn't be.

libclamav/c++/Makefile.am

@@ -865,6 +865,11 @@ distclean-local:
 	rm -f llvm/include/llvm/System/DataTypes.h llvm/include/llvm/Config/Targets.def
 	rm -f llvm/tools/llvmc/plugins/Base/Base.td llvm/tools/llvm-config/llvm-config.in
 	rm -f llvm/include/llvm/Config/AsmParsers.def
+	if test $(abs_srcdir) != $(abs_builddir); then\
+	    rm -f llvm/lib/Makefile llvm/test/Makefile\
+	    llvm/test/Makefile.tests llvm/tools/Makefile llvm/utils/Makefile\
+	    llvm/Makefile.common llvm/unittests/Makefile;\
+	fi
 
 check-llvm: build-llvm-for-check
 	+$(GMAKE) -C llvm check

libclamav/c++/Makefile.in

@@ -7704,6 +7704,11 @@ distclean-local:
 	rm -f llvm/include/llvm/System/DataTypes.h llvm/include/llvm/Config/Targets.def
 	rm -f llvm/tools/llvmc/plugins/Base/Base.td llvm/tools/llvm-config/llvm-config.in
 	rm -f llvm/include/llvm/Config/AsmParsers.def
+	if test $(abs_srcdir) != $(abs_builddir); then\
+	    rm -f llvm/lib/Makefile llvm/test/Makefile\
+	    llvm/test/Makefile.tests llvm/tools/Makefile llvm/utils/Makefile\
+	    llvm/Makefile.common llvm/unittests/Makefile;\
+	fi
 
 check-llvm: build-llvm-for-check
 	+$(GMAKE) -C llvm check