lib/url: Include port in pb_url_to_string()

[petitboot] / README.md

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 # Petitboot - A kexec-based bootloader
 
-Petitboot is a bootloader designed to run in a Linux environment for OPAL on PowerPC/POWER machines and the Playstation 3.
+Petitboot is an operating system bootloader based on Linux kexec.  It can load any operating system image that supports the Linux kexec re-boot mechanism like Linux and FreeBSD.
+Petitboot can load images from any device that can be mounted by Linux, and can also load images from the network using the HTTP, HTTPS, NFS, SFTP, and TFTP protocols.
 
-Development
--
+Current platform support includes PowerPC/POWER with OPAL, the Sony Playstation 3, and ARM64 with ACPI.  Petitboot can be built and run on other platforms, but it will not include all available features.
 
-Petitboot's home is at [ozlabs.org](http://git.ozlabs.org/?p=petitboot); clone it with ` git clone git://git.ozlabs.org/petitboot `
+See the petitboot [man pages](man) for more info.
 
-Development and discussion occurs on the Petitboot mailing list: [petitboot@lists.ozlabs.org](https://lists.ozlabs.org/listinfo/petitboot)
+## Development
 
-Building
--
+Petitboot's home is at [ozlabs.org](http://git.ozlabs.org/?p=petitboot); clone it with `git clone git://git.ozlabs.org/petitboot`.
 
-For an example of building Petitboot for distribution in a Linux image, see [op-build](https://github.com/open-power/op-build/tree/master/openpower/package/petitboot)
+Development and discussion occurs on the Petitboot mailing list: [petitboot@lists.ozlabs.org](https://lists.ozlabs.org/listinfo/petitboot).
+
+## Building
+
+For an example of building Petitboot for distribution in a Linux image, see [op-build](https://github.com/open-power/op-build/tree/master/openpower/package/petitboot) or [petitboot--buildroot](https://github.com/glevand/petitboot--buildroot).
 
 To build locally for development/debug (with the ncurses UI for example):
 ```
 ./bootstrap
-./configure --with-twin-x11=no --with-twin-fbdev=no
+./configure
 make
-```
\ No newline at end of file
+
+./discover/pb-discover --help
+./ui/ncurses/petitboot-nc --help
+```