Retro68/nix/overlay.nix
2023-12-29 01:16:18 +01:00

302 lines
10 KiB
Nix

{ multiversal_src }:
pkgs: prevPkgs: {
retro68 = pkgs.lib.makeScope pkgs.newScope (self:
{
platforms = import ./platforms.nix;
monolithic = with pkgs;
stdenv.mkDerivation {
name = "retro68.monolithic";
src = ../.;
nativeBuildInputs = [ cmake bison flex ruby ninja bash ];
buildInputs = [ boost gmp mpfr libmpc zlib ]
++ lib.optional hostPlatform.isDarwin
darwin.apple_sdk.frameworks.ApplicationServices;
buildCommand = ''
bash $src/build-toolchain.bash --ninja --prefix=$out --no-carbon
'';
hardeningDisable = [ "format" ];
};
# ----------- Native Tools -------------
# hfsutils -- Utilities for manipulating HFS volumes & disk images.
hfsutils = with pkgs;
stdenv.mkDerivation {
name = "retro68.hfsutils";
srcs = ../hfsutils;
preConfigure = ''
mkdir -p $out/bin
mkdir -p $out/lib
mkdir -p $out/include
mkdir -p $out/share/man/man1
'';
configureFlags = [ "--mandir=$(out)/share/man" "--enable-devlibs" ];
env.CFLAGS = "--std=c89"; # the configure script fails with modern C
};
# tools -- native tools that are part of Retro68
tools = with pkgs;
stdenv.mkDerivation {
name = "retro68.tools";
src = nix-gitignore.gitignoreSource [
"/*"
"!/CMakeLists.txt"
"!/libelf" # should perhaps use nixpkg's libelf instead?
"!/cmake"
"!/LaunchAPPL"
"!/libretro"
"!/PEFTools"
"!/ResourceFiles"
"!/Rez"
"!/Elf2Mac"
"!/ConvertObj"
"!/ConvertDiskImage"
] ./..;
nativeBuildInputs = [ cmake bison flex ];
buildInputs = [ boost zlib retro68.hfsutils ]
++ lib.optional hostPlatform.isDarwin
darwin.apple_sdk.frameworks.ApplicationServices;
};
} // prevPkgs.lib.optionalAttrs (prevPkgs.targetPlatform ? retro68) {
# ----------- Binutils & GCC -------------
# binutils_unwrapped -- binutils, without any wrappers
binutils_unwrapped = with pkgs;
stdenv.mkDerivation rec {
name = "retro68.binutils_unwrapped";
src = ../binutils;
buildInputs = [ texinfo ];
configureFlags =
[ "--target=${stdenv.targetPlatform.config}" "--disable-doc" ]
++ stdenv.targetPlatform.retro68BinutilsConfig or [ ];
enableParallelBuilding = true;
postInstall =
let
ld = "$out/bin/${stdenv.targetPlatform.config}-ld";
ld_real = "$out/bin/${stdenv.targetPlatform.config}-ld.real";
in
''
mv ${ld} ${ld_real}
echo "#!${stdenv.shell}" > ${ld}
echo "exec \$'' + ''
{RETRO68_LD_WRAPPER_${stdenv.targetPlatform.cmakeSystemName}-${ld_real}} \"\$@\"" >> ${ld}
chmod +x ${ld}
rm $out/${stdenv.targetPlatform.config}/bin/ld
ln -s ${ld} $out/${stdenv.targetPlatform.config}/bin/ld
'';
};
# gcc -- gcc, without any wrappers
gcc_unwrapped = with pkgs;
stdenv.mkDerivation rec {
name = "retro68.gcc_unwrapped";
src = ../gcc;
buildInputs = [ retro68.binutils_unwrapped gmp mpfr libmpc ];
configureFlags = [
"--target=${stdenv.targetPlatform.config}"
"--enable-languages=c,c++"
"--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 $out/${stdenv.targetPlatform.config}/bin
ln -s ${retro68.binutils_unwrapped}/${stdenv.targetPlatform.config}/bin/* $out/${stdenv.targetPlatform.config}/bin/
export target_configargs="--disable-nls --enable-libstdcxx-dual-abi=no --disable-libstdcxx-verbose"
$src/configure ${builtins.toString configureFlags} --prefix=$out
make -j$NIX_BUILD_CORES
make install
'';
};
# binutils -- binutils with the wrappers provided by nixpkgs
binutils = pkgs.wrapBintoolsWith {
bintools = pkgs.retro68.binutils_unwrapped;
libc = null;
};
# gcc -- gcc with the wrappers provided by nixpkgs
gcc = pkgs.wrapCCWith {
cc = pkgs.retro68.gcc_unwrapped;
bintools = pkgs.retro68.binutils;
libc = null;
# don't allow nix to add options for hardening
extraBuildCommands = ''
echo "" > $out/nix-support/add-hardening.sh
'';
extraPackages = with pkgs.targetPackages.retro68; [
multiversal
import_libraries
libretro
setup_hook
];
};
} // prevPkgs.lib.optionalAttrs (prevPkgs.hostPlatform ? retro68) {
setup_hook =
let
systemName = pkgs.targetPlatform.cmakeSystemName;
toolchain = pkgs.writeTextFile {
name = "retro68.cmake-toolchain";
text = ''
set(CMAKE_SYSTEM_NAME ${systemName})
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_CROSSCOMPILING TRUE)
set(REZ "${pkgs.buildPackages.retro68.tools}/bin/Rez" )
set(REZ_TEMPLATES_PATH ${pkgs.retro68.libretro}/RIncludes)
set(MAKE_PEF "${pkgs.buildPackages.retro68.tools}/bin/MakePEF" )
include(${../cmake/add_application.cmake})
'' + (pkgs.lib.optionalString (systemName == "RetroCarbon") ''
set(CMAKE_EXE_LINKER_FLAGS_INIT "-carbon")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-carbon")
add_definitions( -DTARGET_API_MAC_CARBON=1 )
'');
};
hook = pkgs.writeTextFile {
name = "retro68.setup_hook";
text = ''
export CMAKE_TOOLCHAIN_FILE=${toolchain}
retro68_addRIncludes() {
case $depHostOffset in
-1) local role='BUILD_' ;;
0) local role="" ;;
1) local role='TARGET_' ;;
*) echo "retro68_addRIncludes: Error: Cannot be used with $depHostOffset-offset deps" >2;
return 1 ;;
esac
if [[ -d "$1/RIncludes" ]]; then
export REZ_INCLUDE_PATH+=":$1/RIncludes"
fi
}
addEnvHooks "$targetOffset" retro68_addRIncludes
'' + (pkgs.lib.optionalString (systemName == "Retro68") ''
export RETRO68_LD_WRAPPER_Retro68="${pkgs.buildPackages.retro68.tools}/bin/Elf2Mac"
export RETRO68_REAL_LD="${pkgs.buildPackages.retro68.binutils_unwrapped}/bin/m68k-apple-macos-ld.real"
'');
};
in
pkgs.makeSetupHook { name = "retro68.setup_hook"; } hook;
# ----------- Retro68 core libraries -------------
# multiversal -- multiversal interfaces
multiversal = with pkgs;
(stdenv.override {
cc = stdenv.cc.override { extraPackages = [ ]; };
}).mkDerivation {
name = "retro68.multiversal";
src = multiversal_src;
nativeBuildInputs = [ pkgsBuildBuild.ruby ];
buildCommand = ''
echo $src
build=`pwd`
(cd $src && ruby make-multiverse.rb -G CIncludes -o "$build")
mkdir $out
cp -r CIncludes $out/include
cp -r RIncludes $out/
'' + (if stdenv.targetPlatform.system == "m68k-macos" then ''
cp -r lib68k $out/lib
'' else
"");
};
import_libraries = with pkgs;
if stdenvNoCC.targetPlatform.system != "m68k-macos" then
stdenvNoCC.mkDerivation
{
name = "retro68.import_libraries";
src = ../ImportLibraries;
buildCommand = ''
mkdir -p $out/lib
cp $src/*.a $out/lib/
'';
}
else
null;
libretro = with pkgs;
let
systemName = pkgs.targetPlatform.cmakeSystemName;
toolchain = pkgs.writeTextFile {
name = "retro68-cmake-toolchain-bootstrap";
text = ''
set(CMAKE_SYSTEM_NAME ${systemName})
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_CROSSCOMPILING TRUE)
'';
};
in
(pkgs.stdenv.override {
cc = stdenv.cc.override { extraPackages = [ ]; };
}).mkDerivation {
name = "libretro";
src = ../libretro;
nativeBuildInputs = [ buildPackages.cmake ];
buildInputs = [ retro68.multiversal ];
buildCommand = ''
echo "Build command."
cmake $src \
-DCMAKE_INSTALL_PREFIX=$out \
-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_TOOLCHAIN_FILE=${toolchain}
cmake --build .
cmake --build . --target install
'';
};
console = with pkgs;
stdenv.mkDerivation {
name = "retro68.console";
src = ../Console;
nativeBuildInputs = [ buildPackages.cmake ];
};
});
# ----------- Binutils & GCC wrapped for nixpkgs -------------
# binutils -- binutils with the wrappers provided by nixpkgs
# note: on nix/darwin (as of nixpkgs 23.11), nixpkgs seems to
# ignore (or re-override) this override.
binutils =
if (prevPkgs.targetPlatform ? retro68) then
pkgs.retro68.binutils
else
prevPkgs.binutils;
# gcc -- gcc with the wrappers provided by nixpkgs
gcc =
if (prevPkgs.targetPlatform ? retro68) then
pkgs.retro68.gcc
else
prevPkgs.gcc;
}