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WIP: Remove deprecated darwin toolchain stuff
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@tshaynik
tshaynik committed Dec 17, 2024
1 parent 0a75d71 commit c9d96f2
Showing 1 changed file with 58 additions and 65 deletions.
123 changes: 58 additions & 65 deletions toolchains/cc/cc.nix
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Original file line number Diff line number Diff line change
@@ -1,10 +1,14 @@
{ ccType
, ccAttrPath ? null
, ccAttrSet ? null
, ccExpr ? null
, ccPkgs ? import <nixpkgs> { config = { }; overlays = [ ]; }
, ccLang ? "c++"
, ccStd ? "c++0x"
{
ccType,
ccAttrPath ? null,
ccAttrSet ? null,
ccExpr ? null,
ccPkgs ? import <nixpkgs> {
config = { };
overlays = [ ];
},
ccLang ? "c++",
ccStd ? "c++0x",
}:

let
Expand All @@ -14,39 +18,40 @@ let
# in the PATH which is not the case when using our cc_wrapper. Set
# `CODESIGN_ALLOCATE` to an absolute path here and override the hook for
# `darwinCC` below.
postLinkSignHook =
with pkgs; writeTextFile {
name = "post-link-sign-hook";
executable = true;
# postLinkSignHook =
# with pkgs; writeTextFile {
# name = "post-link-sign-hook";
# executable = true;

text = ''
CODESIGN_ALLOCATE=${darwin.cctools}/bin/codesign_allocate \
${darwin.sigtool}/bin/codesign -f -s - "$linkerOutput"
'';
};
# text = ''
# CODESIGN_ALLOCATE=${darwin.cctools}/bin/codesign_allocate \
# ${darwin.sigtool}/bin/codesign -f -s - "$linkerOutput"
# '';
# };
darwinCC =
# Work around https://github.com/NixOS/nixpkgs/issues/42059.
# See also https://github.com/NixOS/nixpkgs/pull/41589.
pkgs.wrapCCWith rec {
# pkgs.wrapCCWith rec {
pkgs.wrapCCWith {
cc = stdenv.cc.cc;
bintools = stdenv.cc.bintools.override { inherit postLinkSignHook; };
extraBuildCommands = with pkgs.darwin.apple_sdk.frameworks; ''
echo "-Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
echo "-Wno-elaborated-enum-base" >> $out/nix-support/cc-cflags
echo "-isystem ${pkgs.llvmPackages.libcxx.dev}/include/c++/v1" >> $out/nix-support/cc-cflags
echo "-isystem ${pkgs.llvmPackages.clang-unwrapped.lib}/lib/clang/${cc.version}/include" >> $out/nix-support/cc-cflags
echo "-F${CoreFoundation}/Library/Frameworks" >> $out/nix-support/cc-cflags
echo "-F${CoreServices}/Library/Frameworks" >> $out/nix-support/cc-cflags
echo "-F${Security}/Library/Frameworks" >> $out/nix-support/cc-cflags
echo "-F${Foundation}/Library/Frameworks" >> $out/nix-support/cc-cflags
echo "-F${SystemConfiguration}/Library/Frameworks" >> $out/nix-support/cc-cflags
echo "-L${pkgs.llvmPackages.libcxx}/lib" >> $out/nix-support/cc-cflags
echo "-L${pkgs.libiconv}/lib" >> $out/nix-support/cc-cflags
echo "-L${pkgs.darwin.libobjc}/lib" >> $out/nix-support/cc-cflags
echo "-resource-dir=${pkgs.stdenv.cc}/resource-root" >> $out/nix-support/cc-cflags
'' + pkgs.lib.optionalString (builtins.hasAttr "libcxxabi" pkgs.llvmPackages) ''
echo "-L${pkgs.llvmPackages.libcxxabi}/lib" >> $out/nix-support/cc-cflags
'';
# bintools = stdenv.cc.bintools.override { inherit postLinkSignHook; };
# extraBuildCommands = with pkgs.darwin.apple_sdk.frameworks; ''
# echo "-Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
# echo "-Wno-elaborated-enum-base" >> $out/nix-support/cc-cflags
# echo "-isystem ${pkgs.llvmPackages.libcxx.dev}/include/c++/v1" >> $out/nix-support/cc-cflags
# echo "-isystem ${pkgs.llvmPackages.clang-unwrapped.lib}/lib/clang/${cc.version}/include" >> $out/nix-support/cc-cflags
# echo "-F${CoreFoundation}/Library/Frameworks" >> $out/nix-support/cc-cflags
# echo "-F${CoreServices}/Library/Frameworks" >> $out/nix-support/cc-cflags
# echo "-F${Security}/Library/Frameworks" >> $out/nix-support/cc-cflags
# echo "-F${Foundation}/Library/Frameworks" >> $out/nix-support/cc-cflags
# echo "-F${SystemConfiguration}/Library/Frameworks" >> $out/nix-support/cc-cflags
# echo "-L${pkgs.llvmPackages.libcxx}/lib" >> $out/nix-support/cc-cflags
# echo "-L${pkgs.libiconv}/lib" >> $out/nix-support/cc-cflags
# echo "-L${pkgs.darwin.libobjc}/lib" >> $out/nix-support/cc-cflags
# echo "-resource-dir=${pkgs.stdenv.cc}/resource-root" >> $out/nix-support/cc-cflags
# '' + pkgs.lib.optionalString (builtins.hasAttr "libcxxabi" pkgs.llvmPackages) ''
# echo "-L${pkgs.llvmPackages.libcxxabi}/lib" >> $out/nix-support/cc-cflags
# '';
};
cc =
if ccType == "ccTypeAttribute" then
Expand All @@ -62,13 +67,17 @@ let
name = "bazel-${cc.name}-wrapper";
# XXX: `gcov` is missing in `/bin`.
# It exists in `stdenv.cc.cc` but that collides with `stdenv.cc`.
paths = [ cc cc.bintools ] ++ pkgs.lib.optional pkgs.stdenv.isDarwin pkgs.darwin.sigtool;
paths = [
cc
cc.bintools
] ++ pkgs.lib.optional pkgs.stdenv.isDarwin pkgs.darwin.sigtool;
pathsToLink = [ "/bin" ];
passthru = {
inherit (cc) isClang targetPrefix;
orignalName = cc.name;
};
} // (pkgs.lib.optionalAttrs pkgs.stdenv.isDarwin {
}
// (pkgs.lib.optionalAttrs pkgs.stdenv.isDarwin {
# only add tools from darwin.cctools, but don't overwrite existing tools
postBuild = ''
for tool in libtool objdump; do
Expand All @@ -77,18 +86,16 @@ let
fi
done
'';
}
)
)
;
})
);
in
pkgs.runCommand "bazel-${cc.orignalName or cc.name}-toolchain"
{
executable = false;
# Pointless to do this on a remote machine.
preferLocalBuild = true;
allowSubstitutes = false;
}
{
executable = false;
# Pointless to do this on a remote machine.
preferLocalBuild = true;
allowSubstitutes = false;
}
''
# This constructs the substitutions for
# `@bazel_tools//tools/cpp:BUILD.tpl` following the example of
Expand Down Expand Up @@ -211,9 +218,7 @@ pkgs.runCommand "bazel-${cc.orignalName or cc.name}-toolchain"
add_linker_option_if_supported -Wl,-z,relro,-z,now -z
)
${
if stdenv.isDarwin
then "-undefined dynamic_lookup -headerpad_max_install_names"
else "-B${cc}/bin"
if stdenv.isDarwin then "-undefined dynamic_lookup -headerpad_max_install_names" else "-B${cc}/bin"
}
$(
# Have gcc return the exit code from ld.
Expand Down Expand Up @@ -256,9 +261,7 @@ pkgs.runCommand "bazel-${cc.orignalName or cc.name}-toolchain"
)
OPT_LINK_FLAGS=(
${
if stdenv.isDarwin
then ""
else "$(add_linker_option_if_supported -Wl,--gc-sections -gc-sections)"
if stdenv.isDarwin then "" else "$(add_linker_option_if_supported -Wl,--gc-sections -gc-sections)"
}
)
UNFILTERED_COMPILE_FLAGS=(
Expand All @@ -278,20 +281,10 @@ pkgs.runCommand "bazel-${cc.orignalName or cc.name}-toolchain"
)
DBG_COMPILE_FLAGS=(-g)
COVERAGE_COMPILE_FLAGS=(
${
if stdenv.isDarwin then
"-fprofile-instr-generate -fcoverage-mapping"
else
"--coverage"
}
${if stdenv.isDarwin then "-fprofile-instr-generate -fcoverage-mapping" else "--coverage"}
)
COVERAGE_LINK_FLAGS=(
${
if stdenv.isDarwin then
"-fprofile-instr-generate"
else
"--coverage"
}
${if stdenv.isDarwin then "-fprofile-instr-generate" else "--coverage"}
)
SUPPORTS_START_END_LIB=(
$(
Expand Down

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