Replace build systems with LuaRocks.

A single Makefile remains to take care of tests, distribution, release
and documentation.

As a result, rockspecs are automatically generated for all lrexlib
flavours (previously, only POSIX and PCRE were available).

1 files changed, 49 insertions, 0 deletions

diff --git a/mkrockspecs.lua b/mkrockspecs.lua
new file mode 100644
index 0000000..6a2506c
--- /dev/null
+++ b/mkrockspecs.lua
@@ -0,0 +1,49 @@
+-- Generate the rockspecs
+
+require "std"
+
+if select ("#", ...) < 2 then
+  io.stderr:write "Usage: mkrockspecs VERSION MD5SUM\n"
+  os.exit ()
+end
+
+version = select (1, ...)
+md5sum = select (2, ...)
+
+function format (x, indent)
+  indent = indent or ""
+  if type (x) == "table" then
+    local s = "{\n"
+    for i, v in pairs (x) do
+      if type (i) ~= "number" then
+        s = s..indent..i.." = "..format (v, indent.."  ")..",\n"
+      end
+    end
+    for i, v in ipairs (x) do
+      s = s..indent..format (v, indent.."  ")..",\n"
+    end
+    return s..indent:sub(1, -3).."}"
+  elseif type (x) == "string" then
+    return string.format ("%q", x)
+  else
+    return tostring (x)
+  end
+end
+
+for f, spec in pairs (loadfile ("rockspecs.lua") ()) do
+  if f ~= "default" then
+    local specfile = "lrexlib-"..f:lower ().."-"..version.."-1.rockspec"
+    h = io.open (specfile, "w")
+    assert (h)
+    flavour = f -- a global, visible in loadfile
+    local specs = loadfile ("rockspecs.lua") () -- reload to get current flavour interpolated
+    local spec = table.merge (specs.default, specs[f])
+    local s = ""
+    for i, v in pairs (spec) do
+      s = s..i.." = "..format (v, "  ").."\n"
+    end
+    h:write (s)
+    h:close ()
+    os.execute ("luarocks lint " .. specfile)
+  end
+end