Macintosh-Tools/Retro68
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platform abstraction

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This commit is contained in:
Wolfgang Thaller 2021-11-23 23:46:52 +01:00
parent 8349ce162a
commit 1559630536
1 changed files with 43 additions and 30 deletions
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73
flake.nix
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@ -43,6 +43,9 @@
};
bfdEmulation = "m68k";
isStatic = true;
retro68GccConfig = ["--with-arch=m68k" "--with-cpu=m68000"];
retro68 = true;
};
powerpc = {
system = "powerpc-macos";
@ -60,6 +63,10 @@
execFormat = { name = "unknown"; };
};
};
retro68BinutilsConfig = ["--disable-plugins"];
retro68GccConfig = ["--disable-lto"];
retro68 = true;
};
carbon = {
system = "powerpc-carbon";
@ -78,47 +85,55 @@
};
};
};
retro68BinutilsConfig = ["--disable-plugins"];
retro68GccConfig = ["--disable-lto"];
retro68 = true;
};
in {
# A Nixpkgs overlay.
overlay = pkgs: prev:
let filterSrc = pkgs.nix-gitignore.gitignoreSource [ ];
in {
retro68_binutils_m68k = with pkgs;
retro68_binutils = with pkgs;
stdenv.mkDerivation rec {
name = "retro68_binutils_m68k";
name = "retro68_binutils";
src = filterSrc (self + /binutils);
configureFlags = [ "--target=m68k-apple-macos" "--disable-doc" ];
configureFlags = [ "--target=${stdenv.targetPlatform.config}" "--disable-doc" ]
++ stdenv.targetPlatform.retro68BinutilsConfig or [];
enableParallelBuilding = true;
};
retro68_binutils_m68k_with_tools = with pkgs;
symlinkJoin {
name = "retro68_buinutils_m68k_with_tools";
paths = [ retro68_binutils_m68k buildPackages.retro68_tools ];
retro68_binutils_with_tools = with pkgs; if stdenv.targetPlatform.system == "m68k-macos"
then
symlinkJoin {
name = "retro68_binutils_with_tools";
paths = [ retro68_binutils buildPackages.retro68_tools ];
# Move the real linker aside and install symlinks to Elf2Mac
postBuild = ''
mv $out/bin/m68k-apple-macos-ld $out/bin/m68k-apple-macos-ld.real
mv $out/m68k-apple-macos/bin/ld $out/m68k-apple-macos/bin/ld.real
ln -s $out/bin/Elf2Mac $out/bin/m68k-apple-macos-ld
ln -s $out/bin/Elf2Mac $out/m68k-apple-macos/bin/ld
'';
};
# Move the real linker aside and install symlinks to Elf2Mac
postBuild = ''
mv $out/bin/m68k-apple-macos-ld $out/bin/m68k-apple-macos-ld.real
mv $out/m68k-apple-macos/bin/ld $out/m68k-apple-macos/bin/ld.real
ln -s $out/bin/Elf2Mac $out/bin/m68k-apple-macos-ld
ln -s $out/bin/Elf2Mac $out/m68k-apple-macos/bin/ld
'';
}
else binutils1;
binutils = if pkgs.stdenv.targetPlatform.system == "m68k-macos" then
binutils = if pkgs.stdenv.targetPlatform ? retro68 then
pkgs.wrapBintoolsWith {
bintools = pkgs.retro68_binutils_m68k_with_tools;
bintools = pkgs.retro68_binutils_with_tools;
}
else
prev.binutils;
gcc = if pkgs.stdenv.targetPlatform.system == "m68k-macos" then
gcc = if pkgs.stdenv.targetPlatform ? retro68 then
pkgs.wrapCCWith {
cc = pkgs.retro68_gcc_m68k;
cc = pkgs.retro68_gcc;
extraBuildCommands = ''
echo "" > $out/nix-support/add-hardening.sh
'';
@ -130,30 +145,28 @@
libcCrossChooser = name:
if name == "retro68" then null else prev.libcCrossChooser name;
retro68_gcc_m68k = with pkgs;
stdenv.mkDerivation {
name = "retro68_gcc_m68k";
retro68_gcc = with pkgs;
stdenv.mkDerivation rec {
name = "retro68_gcc";
src = filterSrc (self + /gcc);
buildInputs =
[ retro68_binutils_m68k_with_tools gmp mpfr libmpc ];
[ retro68_binutils_with_tools gmp mpfr libmpc ];
configureFlags = [
"--target=m68k-apple-macos"
"--target=${stdenv.targetPlatform.config}"
"--enable-languages=c,c++"
"--with-arch=m68k"
"--with-cpu=m68000"
"--disable-libssp"
"MAKEINFO=missing"
];
]++ stdenv.targetPlatform.retro68GccConfig or [];
hardeningDisable = [ "format" ];
enableParallelBuilding = true;
# nix does in-source builds by default, and something breaks
buildCommand = ''
mkdir -p $out/m68k-apple-macos/bin
ln -s ${retro68_binutils_m68k_with_tools}/m68k-apple-macos/bin/* $out/m68k-apple-macos/bin/
mkdir -p $out/${stdenv.targetPlatform.config}/bin
ln -s ${retro68_binutils_with_tools}/${stdenv.targetPlatform.config}/bin/* $out/${stdenv.targetPlatform.config}/bin/
export target_configargs="--disable-nls --enable-libstdcxx-dual-abi=no --disable-libstdcxx-verbose"
$src/configure "--target=m68k-apple-macos" "--enable-languages=c,c++" "--with-arch=m68k" "--with-cpu=m68000" "--disable-libssp" "MAKEINFO=missing" --prefix=$out
$src/configure ${builtins.toString configureFlags} --prefix=$out
make -j$NIX_BUILD_CORES
make install
'';