+++ /dev/null
-#!/usr/bin/env lua
-
---
--- Yoink
--- This script wraps around the compiler command to handle the creation of
--- dependency files. It works with GCC. The script is based off of Emile
--- van Bergen's `ccdeps-gcc' script.
---
-
-
--- Get the next argument passed to the script.
-function shift()
- var = arg[1]
- table.remove(arg, 1)
- arguments = string.format("%s %q", tostring(arguments), tostring(var))
- return var
-end
-
-
--- The compiler command is the first argument.
-compiler = shift()
-arguments = ""
-paths = {}
-
-
--- Consume each compiler argument, appending it to the arguments variable.
-while 0 < #arg do
- local v = shift()
- if v == "-o" then
- product = shift()
- elseif v:match("%-[xubV]$") then
- shift() -- Shift an extra one for the option's payload.
- else
- path = v:match("([^-].*)/")
- if path then paths[path] = true end
- end
-end
-if not product then print("No output file specified.") os.exit(1) end
-
-
--- Now try the actual compile WITH dependency generation.
-if os.execute(compiler.." -MD"..arguments) ~= 0 then
- -- Try it without dependency generation.
- if os.execute(compiler..arguments) ~= 0 then
- print("The compile failed. :-(")
- os.exit(1)
- end
- print("The compile succeeded without dependency generation.")
- os.exit(0)
-end
-
-
--- Remove the old dependency file.
-dep = product..".d"
-os.remove(dep)
-
-
--- GCC outputs file.d for a product named file.o, either in the current
--- directory or in the directory where the source is.
-depname = product:gsub("^.*/(.*)%.o$", "%1.d")
-depfiles = {}
-table.insert(depfiles, depname)
-for path in pairs(paths) do table.insert(depfiles, path.."/"..depname) end
-
-for i,gccdep in ipairs(depfiles) do
- tmpname = gccdep..".tmp"
- -- Fix up the dependency file with correct paths.
- if os.execute("test -f "..gccdep) == 0 and os.rename(gccdep, tmpname) then
- os.execute(string.format("sed -e 's|.*:|%s %s:|' <%s >>%s", product, dep, tmpname, dep))
- os.execute(string.format("sed -e 's/^.*://' -e 's/^ *//' -e 's/ *\\\\$//' -e 's/$/:/' <%s >>%s", tmpname, dep))
- os.remove(tmpname)
- os.exit()
- end
-end
-
-print("Couldn't find the dependency file.")
-os.exit(1)
-