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Fix: compile aarch64+armv6 as static binaries

This commit is contained in:
Quentin 2022-07-23 12:17:41 +02:00
parent 9c9e483375
commit a49d0ea19f
Signed by: quentin
GPG Key ID: E9602264D639FF68
1 changed files with 29 additions and 27 deletions
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56
default.nix
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@ -56,45 +56,47 @@ in let
*/
overrides = pkgs.rustBuilder.overrides.all ++ [
/*
[1] We need to alter Nix hardening to be able to statically compile: PIE,
[1] We need to alter Nix hardening to make static binaries: PIE,
Position Independent Executables seems to be supported only on amd64. Having
this flags set either make our executables crash or compile as dynamic on many platforms.
In the following section codegenOpts, we reactive it for the supported targets
(only amd64 curently) through the `-static-pie` flag. PIE is a feature used
by ASLR, which helps mitigate security issues.
Learn more about Nix Hardening: https://github.com/NixOS/nixpkgs/blob/master/pkgs/build-support/cc-wrapper/add-hardening.sh
[2] We want to inject the git version while keeping the build deterministic.
As we do not want to consider the .git folder as part of the input source,
we ask the user (the CI often) to pass the value to Nix.
this flag set either 1. make our executables crash or 2. compile as dynamic on some platforms.
Here, we deactivate it. Later (find `codegenOpts`), we reactivate it for supported targets
(only amd64 curently) through the `-static-pie` flag.
PIE is a feature used by ASLR, which helps mitigate security issues.
Learn more about Nix Hardening at: https://github.com/NixOS/nixpkgs/blob/master/pkgs/build-support/cc-wrapper/add-hardening.sh
*/
(pkgs.rustBuilder.rustLib.makeOverride {
name = "garage";
overrideAttrs = drv: { hardeningDisable = [ "pie" ]; };
})
(pkgs.rustBuilder.rustLib.makeOverride {
name = "garage_rpc";
/*
[2] We want to inject the git version while keeping the build deterministic.
As we do not want to consider the .git folder as part of the input source,
we ask the user (the CI often) to pass the value to Nix.
*/
overrideAttrs = drv:
/* [1] */ { hardeningDisable = [ "pie" ]; }
//
/* [2] */ (if git_version != null then {
(if git_version != null then {
preConfigure = ''
${drv.preConfigure or ""}
export GIT_VERSION="${git_version}"
'';
} else {});
/*
[3] We ship some parts of the code disabled by default by putting them behind a flag.
It speeds up the compilation (when the feature is not required) and released crates have less dependency by default (less attack surface, disk space, etc.).
But we want to ship these additional features when we release Garage.
In the end, we chose to exclude all features from debug builds while putting (all of) them in the release builds.
Currently, the only feature of Garage is kubernetes-discovery from the garage_rpc crate.
*/
overrideArgs = old: {
features = if release then [ "kubernetes-discovery" ] else [];
};
})
/*
We ship some parts of the code disabled by default by putting them behind a flag.
It speeds up the compilation (when the feature is not required) and released crates have less dependency by default (less attack surface, disk space, etc.).
But we want to ship these additional features when we release Garage.
In the end, we chose to exclude all features from debug builds while putting (all of) them in the release builds.
Currently, the only feature of Garage is kubernetes-discovery from the garage_rpc crate.
*/
(pkgs.rustBuilder.rustLib.makeOverride {
name = "garage_rpc";
overrideArgs = old:
{
features = if release then [ "kubernetes-discovery" ] else [];
};
})
];
packageFun = import ./Cargo.nix;