Add build script for the standard package manager

.gitignore

@@ -1,2 +1,3 @@
 *\~
 sncf
+build-deps*

README.org

@@ -62,11 +62,25 @@ Arguments:
 
 ** Building instructions
 
+*** Static executable using Docker
+
 The build script will use Docker to build a fully static executable.
 The Dockerfile is based on the [[https://hub.docker.com/r/gerbil/alpine][gerbil/alpine]] image.
 
 #+begin_src sh
-$ ./build.sh
+./build.sh
 #+end_src
 
-This project depends on [[https://github.com/dlozeve/fancy][dlozeve/fancy]].
+*** With your local [[https://cons.io/][Gerbil]] installation
+
+This project depends on [[https://github.com/dlozeve/fancy][dlozeve/fancy]]. Install it with the package
+manager:
+#+begin_src sh
+gxpkg install github.com/dlozeve/fancy
+#+end_src
+
+The project comes with a build script for the [[https://cons.io/guide/build.html][standard build tool]],
+which installs the =sncf= executable in =$GERBIL_HOME/bin=:
+#+begin_src sh
+./build.ss
+#+end_src

build.ss

@@ -0,0 +1,23 @@
+#!/usr/bin/env gxi
+
+(import :std/make)
+
+;; the build specification
+(def build-spec
+  '((exe: "sncf")))
+
+;; the source directory anchor
+(def srcdir
+  (path-normalize (path-directory (this-source-file))))
+
+;; the main function of the script
+(def (main . args)
+  (match args
+    ;; this is the default (and, here, only) action, which builds the project
+    ([]
+     (make srcdir: srcdir          ; source anchor
+           ;;bindir: srcdir          ; where to place executables; default is GERBIL_PATH/bin
+           optimize: #t            ; enable optimizations
+           debug: #f               ; enable debugger introspection
+           static: #t              ; don't generate static compilation artifacts
+           build-spec))))          ; the actual build specification

gerbil.pkg

@@ -0,0 +1 @@
+(package: dlozeve)