... a command-line option to install such missing files into a project directory. The install option supported by autoreconf is designed to pass tool-specific options down to each of the tools ... install-sh into a project directory, thus there is no install-missing-file functionality accessible from the autoconf command line. If this is indeed the case, then autoconf has no business complaining ... the top-level build directory ( ), and finally, our project’s include directory, if it has one. We impose this ordering by adding -Ipath options to the compiler command line, as shown in Listing...