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Makefiles are now slightly less inaccurate. Does actually seem to do sensible

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incremental builds now. I loathe make.
This commit is contained in:
David Given 2016-09-03 00:20:11 +02:00
parent de7023dd61
commit ff9bf5b08a
1 changed files with 17 additions and 4 deletions
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21
first/ackbuilder.lua
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@ -609,15 +609,28 @@ local function install_make_emitter()
end
function emitter:rule(name, ins, outs)
if (#outs == 0) then
local n = name.."-IMAGINARY-OUT"
emit(".INTERMEDIATE:", n, "\n")
outs = {n}
end
local impl = name.."-IMPL"
emit(".INTERMEDIATE:", name, "\n")
for i = 1, #ins do
emit(name..":", ins[i], "\n")
emit(".INTERMEDIATE:", impl, "\n")
for i = 1, #outs do
emit(name..":", outs[i], "\n")
end
for i = 1, #outs do
emit(outs[i]..":", name, ";\n")
emit(outs[i]..":", impl, ";\n")
end
emit(name..":\n")
for i = 1, #ins do
emit(impl..":", ins[i], "\n")
end
emit(impl..":", "\n")
local dirs = uniquify(dirname(outs))
if (#dirs > 0) then
emit("\t@mkdir -p", dirs, "\n")