configure and make options
The source tarball packages' README files always tell us use "configure" and then "make" and "make install". I wanted to know about all the options and their values that can be used for compiling a source package in general for congfigure and make. The 'configure --help' command puts out a list but doesn't tell what values can be used for example it says "--enable-FEATURE[=YES or NO]" but how do I know what features can be enabled or disabled. For make there's some info iin the Makefiles but I wanted to know all the available options.
I was doing this for binutils. I tried going to gnu.org and the binutils page under it but couldn't get any helpful info. Does anyone know where these can be found for binutils and other popular packages.