144 lines
3.3 KiB
Raku
144 lines
3.3 KiB
Raku
-- pm includefile to compile *host* C programs.
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-- Standard Lua boilerplate.
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local io_open = io.open
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local string_gsub = string.gsub
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local string_gfind = string.gfind
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local table_insert = table.insert
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local table_getn = table.getn
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local filetime = pm.filetime
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-- Define some variables.
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CCOMPILER = "gcc"
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CC = "%CCOMPILER% %CBUILDFLAGS% %CDYNINCLUDES% %CINCLUDES% %CDEFINES% %CEXTRAFLAGS% -c -o %out% %in%"
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CPROGRAM = "%CCOMPILER% %CBUILDFLAGS% %CLINKFLAGS% %CEXTRAFLAGS% -o %out% %in% %CLIBRARIES%"
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CDEPENDS = "%CCOMPILER% %CBUILDFLAGS% %CDYNINCLUDES% %CINCLUDES% %CDEFINES% %CEXTRAFLAGS% -MM -MG %in% > %out%"
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AR = "%RM% %out% && ar cr %out% %in%"
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CBUILDFLAGS = "-g -Os"
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CINCLUDES = {}
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CDEFINES = {}
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CEXTRAFLAGS = ""
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CLINKFLAGS = ""
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CDYNINCLUDES = ""
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CLIBRARIES = ""
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--- Manage C file dependencies ----------------------------------------------
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local dependency_cache = {}
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local function load_dependency_file(fn)
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local o = dependency_cache[fn]
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if o then
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return o
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end
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-- Read in the dependency file.
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local f = io_open(fn)
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if not f then
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print("failed to open "..fn)
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return nil
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end
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f = f:read("*a")
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-- Massage the dependency file into a string containing one unescaped
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-- filename per line.
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f = string_gsub(f, "^.*[^\\]: *", "")
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f = string_gsub(f, "\\\r?\n", "")
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f = string_gsub(f, "([^\\]) +", "%1\n")
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f = string_gsub(f, "\\", "")
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-- Parse the string.
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o = {}
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for l in string_gfind(f, "[^\n]+") do
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table_insert(o, l)
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end
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dependency_cache[fn] = o
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return o
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end
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-- This clause specialises 'simple' to add support for smart dependencies of C
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-- files.
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simple_with_clike_dependencies = simple {
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class = "simple_with_clike_dependencies",
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makedepends = {"%CDEPENDS%"},
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__init = function(self, p)
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simple.__init(self, p)
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-- If we're a class, don't verify.
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if ((type(p) == "table") and p.class) then
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return
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end
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-- If dynamicheaders is an object, turn it into a singleton list.
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if self.dynamicheaders then
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if (type(self.dynamicheaders) ~= "table") then
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self:__error("doesn't know what to do with dynamicheaders, which ",
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"should be a list or an object but was a ", type(self.dynamicheaders))
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end
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if self.dynamicheaders.class then
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self.dynamicheaders = {self.dynamicheaders}
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end
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end
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end,
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__dependencies = function(self, inputs, outputs)
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local obj = simple {
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CDYNINCLUDES = self.CDYNINCLUDES,
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command = self.makedepends,
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outputs = {"%U%-%I%.d"},
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unpack(inputs)
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}
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local o = obj:__build()
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local depends = load_dependency_file(o[1])
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if not depends then
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self:__error("could not determine the dependencies for ",
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pm.rendertable(inputs))
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end
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return depends
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end,
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__buildadditionalchildren = function(self)
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self.CDYNINCLUDES = ""
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if self.dynamicheaders then
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for _, i in ipairs(self.dynamicheaders) do
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local o = i:__build()
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if o[1] then
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self.CDYNINCLUDES = self.CDYNINCLUDES..' "-I'..string_gsub(o[1], "/[^/]*$", "")..'"'
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end
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end
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end
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end
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}
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-- These are the publically useful clauses.
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cfile = simple_with_clike_dependencies {
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class = "cfile",
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command = {"%CC%"},
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outputs = {"%U%-%I%.o"},
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}
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cprogram = simple {
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class = "cprogram",
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command = {"%CPROGRAM%"},
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outputs = {"%U%-%I%"},
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}
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clibrary = simple {
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class = "clibrary",
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command = {
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"%AR%"
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},
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outputs = {"%U%-%I%.a"},
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}
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