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Merge pull request #111988 from thefloweringash/darwin-platform-versions

Darwin platform versions
This commit is contained in:
John Ericson 2021-04-12 11:40:16 -04:00 committed by GitHub
commit 82ca81cd62
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15 changed files with 193 additions and 28 deletions

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@ -112,6 +112,19 @@ rec {
aarch64 = "arm64";
}.${final.parsed.cpu.name} or final.parsed.cpu.name;
darwinPlatform =
if final.isMacOS then "macos"
else if final.isiOS then "ios"
else null;
# The canonical name for this attribute is darwinSdkVersion, but some
# platforms define the old name "sdkVer".
darwinSdkVersion = final.sdkVer or "10.12";
darwinMinVersion = final.darwinSdkVersion;
darwinMinVersionVariable =
if final.isMacOS then "MACOSX_DEPLOYMENT_TARGET"
else if final.isiOS then "IPHONEOS_DEPLOYMENT_TARGET"
else null;
emulator = pkgs: let
qemu-user = pkgs.qemu.override {
smartcardSupport = false;

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@ -219,6 +219,7 @@ rec {
sdkVer = "14.3";
xcodeVer = "12.3";
xcodePlatform = "iPhoneSimulator";
darwinPlatform = "ios-simulator";
useiOSPrebuilt = true;
};
@ -228,6 +229,7 @@ rec {
sdkVer = "14.3";
xcodeVer = "12.3";
xcodePlatform = "iPhoneSimulator";
darwinPlatform = "ios-simulator";
useiOSPrebuilt = true;
};

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@ -0,0 +1,81 @@
# Unconditionally adding in platform version flags will result in warnings that
# will be treated as errors by some packages. Add any missing flags here.
# There are two things to be configured: the "platform version" (oldest
# supported version of macos, ios, etc), and the "sdk version".
#
# The modern way of configuring these is to use:
# -platform_version $platform $platform_version $sdk_version"
#
# The old way is still supported, and uses flags like:
# -${platform}_version_min $platform_version
# -sdk_version $sdk_version
#
# If both styles are specified ld will combine them. If multiple versions are
# specified for the same platform, ld will emit an error.
#
# The following adds flags for whichever properties have not already been
# provided.
havePlatformVersionFlag=
haveDarwinSDKVersion=
haveDarwinPlatformVersion=
# Roles will set by add-flags.sh, but add-flags.sh can be skipped when the
# cc-wrapper has added the linker flags. Both the cc-wrapper and the binutils
# wrapper mangle the same variable (MACOSX_DEPLOYMENT_TARGET), so if roles are
# empty due to being run through the cc-wrapper then the mangle here is a no-op
# and we still do the right thing.
#
# To be robust, make sure we always have the correct set of roles.
accumulateRoles
mangleVarSingle @darwinMinVersionVariable@ ${role_suffixes[@]+"${role_suffixes[@]}"}
n=0
nParams=${#params[@]}
while (( n < nParams )); do
p=${params[n]}
case "$p" in
# the current platform
-@darwinPlatform@_version_min)
haveDarwinPlatformVersion=1
;;
# legacy aliases
-macosx_version_min|-iphoneos_version_min|-iosmac_version_min|-uikitformac_version_min)
haveDarwinPlatformVersion=1
;;
-sdk_version)
haveDarwinSDKVersion=1
;;
-platform_version)
havePlatformVersionFlag=1
# If clang can't determine the sdk version it will pass 0.0.0. This
# has runtime effects so we override this to use the known sdk
# version.
if [ "${params[n+3]-}" = 0.0.0 ]; then
params[n+3]=@darwinSdkVersion@
fi
;;
esac
n=$((n + 1))
done
# If the caller has set -platform_version, trust they're doing the right thing.
# This will be the typical case for clang in nixpkgs.
if [ ! "$havePlatformVersionFlag" ]; then
if [ ! "$haveDarwinSDKVersion" ] && [ ! "$haveDarwinPlatformVersion" ]; then
# Nothing provided. Use the modern "-platform_version" to set both.
extraBefore+=(-platform_version @darwinPlatform@ "${@darwinMinVersionVariable@_@suffixSalt@:-@darwinMinVersion@}" @darwinSdkVersion@)
elif [ ! "$haveDarwinSDKVersion" ]; then
# Add missing sdk version
extraBefore+=(-sdk_version @darwinSdkVersion@)
elif [ ! "$haveDarwinPlatformVersion" ]; then
# Add missing platform version
extraBefore+=(-@darwinPlatform@_version_min "${@darwinMinVersionVariable@_@suffixSalt@:-@darwinMinVersion@}")
fi
fi

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@ -252,11 +252,6 @@ stdenv.mkDerivation {
fi
'')
# Ensure consistent LC_VERSION_MIN_MACOSX and remove LC_UUID.
+ optionalString stdenv.targetPlatform.isMacOS ''
echo "-sdk_version 10.12 -no_uuid" >> $out/nix-support/libc-ldflags-before
''
##
## User env support
##
@ -310,6 +305,13 @@ stdenv.mkDerivation {
echo "-arch ${targetPlatform.darwinArch}" >> $out/nix-support/libc-ldflags
''
###
### Remove LC_UUID
###
+ optionalString (stdenv.targetPlatform.isDarwin && !(stdenv.cc.bintools.bintools.isGNU or false)) ''
echo "-no_uuid" >> $out/nix-support/libc-ldflags-before
''
+ ''
for flags in "$out/nix-support"/*flags*; do
substituteInPlace "$flags" --replace $'\n' ' '
@ -320,6 +322,23 @@ stdenv.mkDerivation {
substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
''
###
### Ensure consistent LC_VERSION_MIN_MACOSX
###
+ optionalString stdenv.targetPlatform.isDarwin (
let
inherit (stdenv.targetPlatform)
darwinPlatform darwinSdkVersion
darwinMinVersion darwinMinVersionVariable;
in ''
export darwinPlatform=${darwinPlatform}
export darwinMinVersion=${darwinMinVersion}
export darwinSdkVersion=${darwinSdkVersion}
export darwinMinVersionVariable=${darwinMinVersionVariable}
substituteAll ${./add-darwin-ldflags-before.sh} $out/nix-support/add-local-ldflags-before.sh
''
)
##
## Extra custom steps
##

View file

@ -78,6 +78,14 @@ fi
extraAfter+=($NIX_LDFLAGS_AFTER_@suffixSalt@)
# These flags *must not* be pulled up to -Wl, flags, so they can't go in
# add-flags.sh. They must always be set, so must not be disabled by
# NIX_LDFLAGS_SET.
if [ -e @out@/nix-support/add-local-ldflags-before.sh ]; then
source @out@/nix-support/add-local-ldflags-before.sh
fi
# Specify the target emulation if nothing is passed in ("-m" overrides this
# environment variable). Ensures we never blindly fallback on targeting the host
# platform.

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@ -65,5 +65,13 @@ if [ -e @out@/nix-support/cc-cflags-before ]; then
NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@="$(< @out@/nix-support/cc-cflags-before) $NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@"
fi
# Only add darwin min version flag if a default darwin min version is set,
# which is a signal that we're targetting darwin.
if [ "@darwinMinVersion@" ]; then
mangleVarSingle @darwinMinVersionVariable@ ${role_suffixes[@]+"${role_suffixes[@]}"}
NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@="-m@darwinPlatformForCC@-version-min=${@darwinMinVersionVariable@_@suffixSalt@:-@darwinMinVersion@} $NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@"
fi
# That way forked processes will not extend these environment variables again.
export NIX_CC_WRAPPER_FLAGS_SET_@suffixSalt@=1

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@ -100,6 +100,18 @@ let
else
false;
darwinPlatformForCC = optionalString stdenv.targetPlatform.isDarwin (
if (targetPlatform.darwinPlatform == "macos" && isGNU) then "macosx"
else targetPlatform.darwinPlatform
);
darwinMinVersion = optionalString stdenv.targetPlatform.isDarwin (
stdenv.targetPlatform.darwinMinVersion
);
darwinMinVersionVariable = optionalString stdenv.targetPlatform.isDarwin
stdenv.targetPlatform.darwinMinVersionVariable;
in
# Ensure bintools matches
@ -122,6 +134,7 @@ stdenv.mkDerivation {
gnugrep_bin = if nativeTools then "" else gnugrep;
inherit targetPrefix suffixSalt;
inherit darwinPlatformForCC darwinMinVersion darwinMinVersionVariable;
outputs = [ "out" ] ++ optionals propagateDoc [ "man" "info" ];
@ -473,6 +486,10 @@ stdenv.mkDerivation {
done
''
+ optionalString stdenv.targetPlatform.isDarwin ''
echo "-arch ${targetPlatform.darwinArch}" >> $out/nix-support/cc-cflags
''
# There are a few tools (to name one libstdcxx5) which do not work
# well with multi line flags, so make the flags single line again
+ ''
@ -485,10 +502,6 @@ stdenv.mkDerivation {
substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
''
+ optionalString stdenv.targetPlatform.isDarwin ''
echo "-arch ${targetPlatform.darwinArch}" >> $out/nix-support/cc-cflags
''
##
## Extra custom steps
##

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@ -49,6 +49,35 @@ mangleVarBool() {
done
}
# Combine a singular value from all roles. If multiple roles are being served,
# and the value differs in these roles then the request is impossible to
# satisfy and we abort immediately.
mangleVarSingle() {
local var="$1"
shift
local -a role_suffixes=("$@")
local outputVar="${var}_@suffixSalt@"
for suffix in "${role_suffixes[@]}"; do
local inputVar="${var}${suffix}"
if [ -v "$inputVar" ]; then
if [ -v "$outputVar" ]; then
if [ "${!outputVar}" != "${!inputVar}" ]; then
{
echo "Multiple conflicting values defined for $outputVar"
echo "Existing value is ${!outputVar}"
echo "Attempting to set to ${!inputVar} via $inputVar"
} >&2
exit 1
fi
else
declare -gx ${outputVar}="${!inputVar}"
fi
fi
done
}
skip () {
if (( "${NIX_DEBUG:-0}" >= 1 )); then
echo "skipping impure path $1" >&2

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@ -143,6 +143,7 @@ stdenv.mkDerivation {
passthru = {
inherit targetPrefix;
isGNU = true;
};
meta = with lib; {

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@ -7,7 +7,7 @@ index c5af5a2..1949fdc 100644
defaults.arch = "macosx-"..target_cpu
defaults.variables.LIBFLAG = "-bundle -undefined dynamic_lookup -all_load"
- local version = util.popen_read("sw_vers -productVersion")
+ local version = os.getenv("MACOSX_DEPLOYMENT_TARGET") or "10.12"
+ local version = os.getenv("MACOSX_DEPLOYMENT_TARGET") or "@darwinMinVersion@"
version = tonumber(version and version:match("^[^.]+%.([^.]+)")) or 3
if version >= 10 then
version = 8

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@ -19,6 +19,11 @@ stdenv.mkDerivation rec {
};
patches = [ ./darwin-3.1.3.patch ];
postPatch = lib.optionalString stdenv.targetPlatform.isDarwin ''
substituteInPlace src/luarocks/core/cfg.lua --subst-var-by 'darwinMinVersion' '${stdenv.targetPlatform.darwinMinVersion}'
'';
preConfigure = ''
lua -e "" || {
luajit -e "" && {

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@ -3,7 +3,7 @@
, runtimeShell, callPackage
, xcodePlatform ? stdenv.targetPlatform.xcodePlatform or "MacOSX"
, xcodeVer ? stdenv.targetPlatform.xcodeVer or "9.4.1"
, sdkVer ? stdenv.targetPlatform.sdkVer or "10.12" }:
, sdkVer ? stdenv.targetPlatform.darwinSdkVersion or "10.12" }:
let

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@ -29,11 +29,6 @@ rec {
binutils = wrapBintoolsWith {
libc = targetIosSdkPkgs.libraries;
bintools = binutils-unwrapped;
extraBuildCommands = lib.optionalString (sdk.platform == "iPhoneSimulator") ''
echo "-platform_version ios-sim ${minSdkVersion} ${sdk.version}" >> $out/nix-support/libc-ldflags
'' + lib.optionalString (sdk.platform == "iPhoneOS") ''
echo "-platform_version ios ${minSdkVersion} ${sdk.version}" >> $out/nix-support/libc-ldflags
'';
};
clang = (wrapCCWith {
@ -46,10 +41,6 @@ rec {
mv cc-cflags.tmp $out/nix-support/cc-cflags
echo "-target ${targetPlatform.config}" >> $out/nix-support/cc-cflags
echo "-isystem ${sdk}/usr/include${lib.optionalString (lib.versionAtLeast "10" sdk.version) " -isystem ${sdk}/usr/include/c++/4.2.1/ -stdlib=libstdc++"}" >> $out/nix-support/cc-cflags
'' + lib.optionalString (sdk.platform == "iPhoneSimulator") ''
echo "-mios-simulator-version-min=${minSdkVersion}" >> $out/nix-support/cc-cflags
'' + lib.optionalString (sdk.platform == "iPhoneOS") ''
echo "-miphoneos-version-min=${minSdkVersion}" >> $out/nix-support/cc-cflags
'';
}) // {
inherit sdk;

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@ -1,7 +1,5 @@
{ lib
, localSystem, crossSystem, config, overlays, crossOverlays ? []
# Minimum required macOS version, used both for compatibility as well as reproducability.
, macosVersionMin ? "10.12"
# Allow passing in bootstrap files directly so we can test the stdenv bootstrap process when changing the bootstrap tools
, bootstrapFiles ? let
fetch = { file, sha256, executable ? true }: import <nix/fetchurl.nix> {
@ -36,8 +34,6 @@ in rec {
export NIX_IGNORE_LD_THROUGH_GCC=1
unset SDKROOT
export MACOSX_DEPLOYMENT_TARGET=${macosVersionMin}
# Workaround for https://openradar.appspot.com/22671534 on 10.11.
export gl_cv_func_getcwd_abort_bug=no
@ -147,9 +143,6 @@ in rec {
__stdenvImpureHostDeps = commonImpureHostDeps;
__extraImpureHostDeps = commonImpureHostDeps;
extraAttrs = {
inherit macosVersionMin;
};
overrides = self: super: (overrides self super) // {
inherit ccNoLibcxx;
fetchurl = thisStdenv.fetchurlBoot;
@ -523,7 +516,7 @@ in rec {
extraAttrs = {
libc = pkgs.darwin.Libsystem;
shellPackage = pkgs.bash;
inherit macosVersionMin bootstrapTools;
inherit bootstrapTools;
};
allowedRequisites = (with pkgs; [

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@ -106,6 +106,8 @@ let
'' + lib.optionalString (hostPlatform.isDarwin || (hostPlatform.parsed.kernel.execFormat != lib.systems.parse.execFormats.elf && hostPlatform.parsed.kernel.execFormat != lib.systems.parse.execFormats.macho)) ''
export NIX_DONT_SET_RPATH=1
export NIX_NO_SELF_RPATH=1
'' + lib.optionalString (hostPlatform.isDarwin && hostPlatform.isMacOS) ''
export MACOSX_DEPLOYMENT_TARGET=${hostPlatform.darwinMinVersion}
''
# TODO this should be uncommented, but it causes stupid mass rebuilds. I
# think the best solution would just be to fixup linux RPATHs so we don't