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cc-wrapper: allow compilers to specify unsupported hardening modes

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Fixes: 0fd7ef61b2 ('clang_34: Disable hardening bits (#28543)')
This commit is contained in:
Dmitry Kalinkin 2017-09-16 17:54:17 -04:00
parent 2c557e1663
commit 6d9769663d
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GPG Key ID: 5157B3EC8B2CA333
5 changed files with 13 additions and 12 deletions
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2
pkgs/build-support/cc-wrapper/default.nix
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@ -292,7 +292,7 @@ stdenv.mkDerivation {
## Hardening support
##
export hardening_unsupported_flags=""
export hardening_unsupported_flags="${builtins.concatStringsSep " " (cc.hardeningUnsupportedFlags or [])}"
''
+ optionalString hostPlatform.isCygwin ''

7
pkgs/development/compilers/gcc/4.5/default.nix
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@ -422,8 +422,11 @@ stdenv.mkDerivation ({
"-Wl,${libpthreadCross.TARGET_LDFLAGS}"
]);
passthru = { inherit langC langCC langAda langFortran langVhdl
enableMultilib version; isGNU = true; };
passthru = {
inherit langC langCC langAda langFortran langVhdl enableMultilib version;
isGNU = true;
hardeningUnsupportedFlags = [ "stackprotector" ];
};
enableParallelBuilding = !langAda;

7
pkgs/development/compilers/gcc/4.8/default.nix
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@ -507,8 +507,11 @@ stdenv.mkDerivation ({
"-Wl,${libpthreadCross.TARGET_LDFLAGS}"
]);
passthru =
{ inherit langC langCC langObjC langObjCpp langAda langFortran langVhdl langGo version; isGNU = true; };
passthru = {
inherit langC langCC langObjC langObjCpp langAda langFortran langVhdl langGo version;
isGNU = true;
hardeningUnsupportedFlags = [ "stackprotector" ];
};
inherit enableParallelBuilding enableMultilib;

1
pkgs/development/compilers/llvm/3.4/clang.nix
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@ -39,6 +39,7 @@ stdenv.mkDerivation {
# GCC_INSTALL_PREFIX points here, so just use it even though it may not
# actually be a gcc
gcc = stdenv.cc.cc;
hardeningUnsupportedFlags = [ "stackprotector" ];
};
enableParallelBuilding = true;

8
pkgs/top-level/all-packages.nix
View File

@ -5543,13 +5543,7 @@ with pkgs;
clang_38 = llvmPackages_38.clang;
clang_37 = llvmPackages_37.clang;
clang_35 = wrapCC llvmPackages_35.clang;
clang_34 = (wrapCC llvmPackages_34.clang).override {
# Default cc-wrapper's hardening flags don't work with clang-3.4,
# so just remove it entirely for this wrapper.
extraBuildCommands = ''
:> $out/nix-support/add-hardening.sh
'';
};
clang_34 = wrapCC llvmPackages_34.clang;
clang-tools = callPackage ../development/tools/clang-tools { };