Building a custom version of a SimpleITK rock

Each release of the SimpleITK Luarock is tied to a specific release of SimpleITK. For example the 1.2 SimpleITK Luarock downloads v1.2 of SimpleITK from GitHub.

If you would prefer to build a different version of SimpleITK, you need a custom version of the rockspec file. Here is what such a rockspec file would look like.

#!/usr/bin/env lua

package = 'SimpleITK'
version = 'x.0-0'
source  = {
    url    = 'file://SimpleITKLuarock.tgz',
    dir = 'SimpleITKLuarock',
}
description = {
    summary  = "A Lua binding to SimpleITK.",
    detailed = '',
    homepage = 'https://github.com/SimpleITK/SimpleITKLuaRock',
    license  = 'BSD',
}
dependencies = {
    'lua >= 5.1'
}
build    = {
    type = 'cmake',
    modules = {
        SimpleITK = "SimpleITK-build/Wrapping/Lua/lib/SimpleITK.so",
    },
    variables = {
        INSTALL_CMOD      = "$(LIBDIR)",
        CMAKE_BUILD_TYPE  = "$(CMAKE_BUILD_TYPE)",
        ["CFLAGS:STRING"] = "$(CFLAGS)",
    },
    copy_directories = { "doc", "examples" }
}

Note that the only difference between this rockspec and the standard version is the source section. In this rockspec the source points to a local tar file.