Add CLI11 command line parsing lib.

Author: brixen

manifest

@@ -3,11 +3,12 @@ name: rbx
 version: 0.1.0-a.0.z
 language: c++
 summary: rbx C++ executable
-license: other: proprietary ; Not free/open source.
+license: BSD 3-clause
 description-file: README.md
-url: https://example.org/rbx
+url: https://github.com/rubinius/rbx
 email: brixen@gmail.com
-#build-error-email: brixen@gmail.com
+build-error-email: brixen@gmail.com
+
 depends: * build2 >= 0.16.0
 depends: * bpkg >= 0.16.0
-#depends: libhello ^1.0.0
+depends: cli11 ^2.2.0

rbx/buildfile

@@ -1,5 +1,5 @@
 libs =
-#import libs += libhello%lib{hello}
+import libs += cli11%lib{cli11}
 
 exe{rbx}: {hxx ixx txx cxx}{**} $libs testscript
 

rbx/rbx.cxx

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <CLI/CLI.hpp>
 
 int main (int argc, char* argv[])
 {

repositories.manifest

@@ -1,11 +1,7 @@
 : 1
 summary: rbx project repository
 
-#:
-#role: prerequisite
-#location: https://pkg.cppget.org/1/stable
-#trust: ...
-
-#:
-#role: prerequisite
-#location: https://git.build2.org/hello/libhello.git
+:
+role: prerequisite
+type: git
+location: https://github.com/rubinius/cli11#master