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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| module Linking | ||
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| # inlined LLD_jll | ||
| # These get calculated in __init__() | ||
| const PATH = Ref("") | ||
| const LIBPATH = Ref("") | ||
| const PATH_list = String[] | ||
| const LIBPATH_list = String[] | ||
| const lld_path = Ref{String}() | ||
| const lld_exe = Sys.iswindows() ? "lld.exe" : "lld" | ||
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| if Sys.iswindows() | ||
| const LIBPATH_env = "PATH" | ||
| const LIBPATH_default = "" | ||
| const pathsep = ';' | ||
| elseif Sys.isapple() | ||
| const LIBPATH_env = "DYLD_FALLBACK_LIBRARY_PATH" | ||
| const LIBPATH_default = "~/lib:/usr/local/lib:/lib:/usr/lib" | ||
| const pathsep = ':' | ||
| else | ||
| const LIBPATH_env = "LD_LIBRARY_PATH" | ||
| const LIBPATH_default = "" | ||
| const pathsep = ':' | ||
| end | ||
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| function adjust_ENV!(env::Dict, PATH::String, LIBPATH::String, adjust_PATH::Bool, adjust_LIBPATH::Bool) | ||
| if adjust_LIBPATH | ||
| LIBPATH_base = get(env, LIBPATH_env, expanduser(LIBPATH_default)) | ||
| if !isempty(LIBPATH_base) | ||
| env[LIBPATH_env] = string(LIBPATH, pathsep, LIBPATH_base) | ||
| else | ||
| env[LIBPATH_env] = LIBPATH | ||
| end | ||
| end | ||
| if adjust_PATH && (LIBPATH_env != "PATH" || !adjust_LIBPATH) | ||
| if adjust_PATH | ||
| if !isempty(get(env, "PATH", "")) | ||
| env["PATH"] = string(PATH, pathsep, env["PATH"]) | ||
| else | ||
| env["PATH"] = PATH | ||
| end | ||
| end | ||
| end | ||
| return env | ||
| end | ||
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| function __init__() | ||
| # Prefer our own bundled lld, but if we don't have one, pick it up off of the PATH | ||
| # If this is an in-tree build, `lld` will live in `tools`. Otherwise, it'll be in `libexec` | ||
| for bundled_lld_path in (joinpath(Sys.BINDIR, Base.LIBEXECDIR, lld_exe), | ||
| joinpath(Sys.BINDIR, "..", "tools", lld_exe), | ||
| joinpath(Sys.BINDIR, lld_exe)) | ||
| if isfile(bundled_lld_path) | ||
| lld_path[] = abspath(bundled_lld_path) | ||
| return | ||
| end | ||
| end | ||
| lld_path[] = something(Sys.which(lld_exe), lld_exe) | ||
| PATH[] = dirname(lld_path[]) | ||
| if Sys.iswindows() | ||
| # On windows, the dynamic libraries (.dll) are in Sys.BINDIR ("usr\\bin") | ||
| append!(LIBPATH_list, [joinpath(Sys.BINDIR, Base.LIBDIR, "julia"), Sys.BINDIR]) | ||
| else | ||
| append!(LIBPATH_list, [joinpath(Sys.BINDIR, Base.LIBDIR, "julia"), joinpath(Sys.BINDIR, Base.LIBDIR)]) | ||
| end | ||
| LIBPATH[] = join(LIBPATH_list, pathsep) | ||
| return | ||
| end | ||
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| function lld(; adjust_PATH::Bool = true, adjust_LIBPATH::Bool = true) | ||
| env = adjust_ENV!(copy(ENV), PATH[], LIBPATH[], adjust_PATH, adjust_LIBPATH) | ||
| return Cmd(Cmd([lld_path[]]); env) | ||
| end | ||
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| function ld() | ||
| default_args = `` | ||
| @static if Sys.iswindows() | ||
| flavor = "link" | ||
| elseif Sys.isapple() | ||
| flavor = "darwin" | ||
| arch = Sys.ARCH == :aarch64 ? :arm64 : Sys.ARCH | ||
| # TODO: gently handle failure in `xcrun`/`sw_vers` (command not found, garbage being | ||
| # returned, etc...). We probably also want to provide ways to override platform | ||
| # version and SDK, for when we build the release binaries. | ||
| sysroot = readchomp(`xcrun --sdk macosx --show-sdk-path`) | ||
| platform_version = readchomp(`sw_vers -productVersion`) | ||
| platform_sdk = readchomp(`xcrun --show-sdk-version`) | ||
| default_args = `-arch $arch -syslibroot $(sysroot) -lSystem -platform_version macos $(platform_version) $(platform_sdk)` | ||
| else | ||
| flavor = "gnu" | ||
| end | ||
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| `$(lld()) -flavor $flavor $default_args` | ||
| end | ||
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| const WHOLE_ARCHIVE = if Sys.isapple() | ||
| `-all_load` | ||
| elseif Sys.iswindows() | ||
| `/WHOLEARCHIVE` | ||
| else | ||
| `--whole-archive` | ||
| end | ||
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| const NO_WHOLE_ARCHIVE = if Sys.isapple() || Sys.iswindows() | ||
| `` | ||
| else | ||
| `--no-whole-archive` | ||
| end | ||
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| const SHARED = if Sys.isapple() | ||
| `-dylib` | ||
| elseif Sys.iswindows() | ||
| `/DLL` | ||
| else | ||
| `-shared` | ||
| end | ||
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| function libdir(path) | ||
| @static if Sys.iswindows() | ||
| `/LIBPATH:$(path)` | ||
| else | ||
| `-L$(path)` | ||
| end | ||
| end | ||
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| function output(path) | ||
| @static if Sys.isapple() | ||
| `-o $(path)` | ||
| elseif Sys.iswindows() | ||
| `/OUT:$(path)` | ||
| else | ||
| `--output=$(path)` | ||
| end | ||
| end | ||
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| function l(path) | ||
| @static if Sys.iswindows() | ||
| path | ||
| else | ||
| "-l$path" | ||
| end | ||
| end | ||
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| is_debug() = ccall(:jl_is_debugbuild, Cint, ()) == 1 | ||
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| function link_image(path, out, internal_stderr::IO = stderr, internal_stdout::IO = stdout) | ||
| LIBDIR = libdir(joinpath(Sys.BINDIR, "..", "lib")) | ||
| libs = is_debug() ? ("julia-debug", "julia-internal-debug") : ("julia", "julia-internal") | ||
| LIBS = map(l, libs) | ||
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| run(`$(ld()) $SHARED $(output(out)) $WHOLE_ARCHIVE $path $NO_WHOLE_ARCHIVE $LIBDIR $LIBS`, | ||
| Base.DevNull(), internal_stdout, internal_stderr) | ||
| end | ||
| end # module Linking |
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