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package("gfortran")
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set_homepage("https://gcc.gnu.org/fortran/")
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set_description("The GNU Fortran compiler")
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on_fetch(function (package, opt)
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import("lib.detect.find_library")
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if opt.system then
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local fortran = package:find_tool("gfortran", opt)
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if not fortran then return end
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if package:is_binary() then
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return true
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else
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local installdir = path.directory(path.directory(fortran.program))
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local target
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local out, version = os.iorunv(fortran.program, {"-v", "-E"})
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if version then
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target = version:match("Target: (.-)\n")
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version = version:match("version (%d+%.%d+%.%d+)")
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vmajor = version:split("%.")[1]
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local paths = {
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"/usr/lib",
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"/usr/lib64",
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"/usr/local/lib",
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path.join(installdir, "lib"),
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}
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if target then
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table.insert(paths, path.join("/usr/lib", target))
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table.insert(paths, path.join("/usr/lib/gcc", target, vmajor))
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table.insert(paths, path.join(installdir, "lib", target, vmajor))
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if package:is_plat("macosx") then
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table.insert(paths, path.join("/opt/homebrew/Cellar/gcc", version, "/lib/gcc", vmajor))
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end
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end
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local linkinfo = find_library("gfortran", paths)
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if linkinfo then
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return {
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version = version,
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links = "gfortran",
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linkdirs = {linkinfo.linkdir},
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}
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end
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end
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end
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end
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end)
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