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Merge pull request #297290 from reckenrode/binutils-fix

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Randy Eckenrode 2024-03-27 17:21:28 -04:00 committed by GitHub
commit 6ed574305e
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1 changed files with 47 additions and 38 deletions
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85
pkgs/os-specific/darwin/binutils/default.nix
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@ -11,6 +11,7 @@ let
"ld" "strip" "otool" "lipo" "nm" "strings" "size"
"codesign_allocate"
];
isCCToolsLLVM = lib.getName cctools == "cctools-llvm";
in
# TODO: loop over targetPrefixed binaries too
@ -33,7 +34,7 @@ stdenv.mkDerivation {
# - strip: the binutils one seems to break mach-o files
# - lipo: gcc build assumes it exists
# - nm: the gnu one doesn't understand many new load commands
for i in ${lib.concatStringsSep " " (builtins.map (e: targetPrefix + e) cmds)}; do
for i in ${lib.concatStringsSep " " (map (e: targetPrefix + e) cmds)}; do
ln -sf "${cctools}/bin/$i" "$out/bin/$i"
done
@ -41,51 +42,59 @@ stdenv.mkDerivation {
ln -s ${binutils-unwrapped.out}/share $out/share
ln -s ${cctools}/libexec $out/libexec
mkdir -p "$man"/share/man/man{1,5}
for i in ${builtins.concatStringsSep " " cmds}; do
for i in ${lib.concatStringsSep " " cmds}; do
for path in "${cctools.man}"/share/man/man?/$i.*; do
dest_path="$man''${path#${cctools.man}}"
ln -sv "$path" "$dest_path"
done
done
''
# On aarch64-darwin we must use clang, because "as" from cctools just doesn't
# handle the arch. Proxying calls to clang produces quite a bit of warnings,
# and using clang directly here is a better option than relying on cctools.
# On x86_64-darwin the Clang version is too old to support this mode.
+ lib.optionalString stdenv.isAarch64 ''
rm $out/bin/${targetPrefix}as
makeWrapper "${clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
--add-flags "-x assembler -integrated-as -c"
''
# x86-64 Darwin gnat-bootstrap emits assembly
# with MOVQ as the mnemonic for quadword interunit moves
# such as `movq %rbp, %xmm0`.
# The clang integrated assembler recognises this as valid,
# but unfortunately the cctools-port GNU assembler does not;
# it instead uses MOVD as the mnemonic.
# The assembly that a GCC build emits is determined at build time
# and cannot be changed afterwards.
#
# To build GNAT on x86-64 Darwin, therefore,
# we need both the clang _and_ the cctools-port assemblers to be available:
# the former to build at least the stage1 compiler,
# and the latter at least to be detectable
# as the target for the final compiler.
#
# We choose to match the Aarch64 case above,
# wrapping the clang integrated assembler as `as`.
# It then seems sensible to wrap the cctools GNU assembler as `gas`.
#
+ lib.optionalString (stdenv.isx86_64 && dualAs) ''
mv $out/bin/${targetPrefix}as $out/bin/${targetPrefix}gas
makeWrapper "${clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
--add-flags "-x assembler -integrated-as -c"
'';
+ lib.optionalString (!isCCToolsLLVM) (
# cctools-port has a `libexec` folder for `as`, but cctools-llvm uses the clang
# assembler on both platforms. Only link it when cctools is cctools-port.
''
ln -s ${cctools}/libexec $out/libexec
''
# cctools-llvm uses the LLVM assembler on both architectures, so use the assembler
# from that instead of relinking it.
#
# On aarch64-darwin we must use clang, because "as" from cctools just doesn't
# handle the arch. Proxying calls to clang produces quite a bit of warnings,
# and using clang directly here is a better option than relying on cctools.
# On x86_64-darwin the Clang version is too old to support this mode.
+ lib.optionalString stdenv.isAarch64 ''
rm $out/bin/${targetPrefix}as
makeWrapper "${clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
--add-flags "-x assembler -integrated-as -c"
''
# x86-64 Darwin gnat-bootstrap emits assembly
# with MOVQ as the mnemonic for quadword interunit moves
# such as `movq %rbp, %xmm0`.
# The clang integrated assembler recognises this as valid,
# but unfortunately the cctools-port GNU assembler does not;
# it instead uses MOVD as the mnemonic.
# The assembly that a GCC build emits is determined at build time
# and cannot be changed afterwards.
#
# To build GNAT on x86-64 Darwin, therefore,
# we need both the clang _and_ the cctools-port assemblers to be available:
# the former to build at least the stage1 compiler,
# and the latter at least to be detectable
# as the target for the final compiler.
#
# We choose to match the Aarch64 case above,
# wrapping the clang integrated assembler as `as`.
# It then seems sensible to wrap the cctools GNU assembler as `gas`.
#
+ lib.optionalString (stdenv.isx86_64 && dualAs) ''
mv $out/bin/${targetPrefix}as $out/bin/${targetPrefix}gas
makeWrapper "${clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
--add-flags "-x assembler -integrated-as -c"
''
);
nativeBuildInputs = lib.optionals (stdenv.isAarch64 || dualAs) [ makeWrapper ];
nativeBuildInputs = lib.optionals (!isCCToolsLLVM && (stdenv.isAarch64 || dualAs)) [ makeWrapper ];
passthru = {
inherit targetPrefix;