random clang install problem

After dropping clang into llvm/tools it builds fine but I get the error below upon "make install". This is on Ubuntu Hardy for ia32.

No big deal just giving a heads up...

John Regehr

make[3]: Entering directory `/home/regehr/llvm/tools/clang/docs'
llvm[3]: Installing HTML documentation
/usr/bin/install: missing destination file operand after `/home/regehr/docs/llvm/html/img'
Try `/usr/bin/install --help' for more information.
make[3]: *** [install-html] Error 1