[Installation directory for libraries])
AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
[Installation directory for data files])
-AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR",
+AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
[Installation directory for documentation])
AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
[Installation directory for config files])