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add generic x86_32 support (#52634)

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* add generic x86_32 support

- Add support for i386-i586.
- Add `isx86_32` predicate that can replace most uses of `isi686`.
- `isi686` is reinterpreted to mean "exactly i686 arch, and not say i585 or i386".
- This branch was used to build working i586 kernel running on i586 hardware.

* revert `isi[345]86`, remove dead code

- Remove changes to dead code in `doubles.nix` and `for-meta.nix`.
- Remove `isi[345]86` predicates since other cpu families don't have specific model predicates.

* remove i386-linux since linux not supported on that cpu
This commit is contained in:
Daniel Goertzen 2019-01-06 12:57:36 -06:00 committed by Matthew Bauer
parent a4250d1478
commit 1c10efc912
11 changed files with 15 additions and 10 deletions
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3
lib/systems/inspect.nix
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@ -9,7 +9,8 @@ let abis = lib.mapAttrs (_: abi: builtins.removeAttrs abi [ "assertions" ]) abis
rec {
patterns = rec {
isi686 = { cpu = cpuTypes.i686; };
isx86_64 = { cpu = cpuTypes.x86_64; };
isx86_32 = { cpu = { family = "x86"; bits = 32; }; };
isx86_64 = { cpu = { family = "x86"; bits = 64; }; };
isPowerPC = { cpu = cpuTypes.powerpc; };
isPower = { cpu = { family = "power"; }; };
isx86 = { cpu = { family = "x86"; }; };

2
lib/systems/platforms.nix
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@ -467,6 +467,8 @@ rec {
};
selectBySystem = system: {
"i486-linux" = pc32;
"i586-linux" = pc32;
"i686-linux" = pc32;
"x86_64-linux" = pc64;
"armv5tel-linux" = sheevaplug;

2
pkgs/build-support/bintools-wrapper/default.nix
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@ -177,7 +177,7 @@ stdenv.mkDerivation {
/**/ if targetPlatform.isAarch64 then endianPrefix + "aarch64"
else if targetPlatform.isAarch32 then endianPrefix + "arm"
else if targetPlatform.isx86_64 then "x86-64"
else if targetPlatform.isx86 then "i386"
else if targetPlatform.isx86_32 then "i386"
else if targetPlatform.isMips then {
"mips" = "btsmipn32"; # n32 variant
"mipsel" = "ltsmipn32"; # n32 variant

2
pkgs/development/compilers/gcc/4.8/default.nix
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@ -312,7 +312,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/gcc/4.9/default.nix
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@ -325,7 +325,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/gcc/5/default.nix
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@ -324,7 +324,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/gcc/6/default.nix
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@ -326,7 +326,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/gcc/7/default.nix
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@ -289,7 +289,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/gcc/8/default.nix
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@ -277,7 +277,7 @@ stdenv.mkDerivation ({
optional (!bootstrap) "--disable-bootstrap" ++
# Platform-specific flags
optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
optional (targetPlatform == hostPlatform && targetPlatform.isx86_32) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}" ++
optionals hostPlatform.isSunOS [
"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
# On Illumos/Solaris GNU as is preferred

2
pkgs/development/compilers/llvm/7/llvm.nix
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@ -134,7 +134,7 @@ in stdenv.mkDerivation (rec {
ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib
'';
doCheck = stdenv.isLinux && (!stdenv.isi686);
doCheck = stdenv.isLinux && (!stdenv.isx86_32);
checkTarget = "check-all";

4
pkgs/stdenv/generic/default.nix
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@ -122,7 +122,9 @@ let
# Utility flags to test the type of platform.
inherit (hostPlatform)
isDarwin isLinux isSunOS isCygwin isFreeBSD isOpenBSD
isi686 isx86_64 is64bit isAarch32 isAarch64 isMips isBigEndian;
isi686 isx86_32 isx86_64
is32bit is64bit
isAarch32 isAarch64 isMips isBigEndian;
isArm = lib.warn
"`stdenv.isArm` is deprecated after 18.03. Please use `stdenv.isAarch32` instead"
hostPlatform.isAarch32;