diff options
Diffstat (limited to 'pkgs/stdenv/generic/make-derivation.nix')
| -rw-r--r-- | pkgs/stdenv/generic/make-derivation.nix | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/pkgs/stdenv/generic/make-derivation.nix b/pkgs/stdenv/generic/make-derivation.nix index 7fb63acc31d..491951e6121 100644 --- a/pkgs/stdenv/generic/make-derivation.nix +++ b/pkgs/stdenv/generic/make-derivation.nix @@ -49,6 +49,7 @@ in rec { # Configure Phase , configureFlags ? [] , cmakeFlags ? [] + , mesonFlags ? [] , # Target is not included by default because most programs don't care. # Including it then would cause needless mass rebuilds. # @@ -246,12 +247,33 @@ in rec { (/**/ if lib.isString cmakeFlags then [cmakeFlags] else if cmakeFlags == null then [] else cmakeFlags) - ++ [ "-DCMAKE_SYSTEM_NAME=${lib.findFirst lib.isString "Generic" [ stdenv.hostPlatform.uname.system ]}" ] + ++ [ "-DCMAKE_SYSTEM_NAME=${lib.findFirst lib.isString "Generic" ( + lib.optional (!stdenv.hostPlatform.isRedox) stdenv.hostPlatform.uname.system)}"] ++ lib.optional (stdenv.hostPlatform.uname.processor != null) "-DCMAKE_SYSTEM_PROCESSOR=${stdenv.hostPlatform.uname.processor}" ++ lib.optional (stdenv.hostPlatform.uname.release != null) "-DCMAKE_SYSTEM_VERSION=${stdenv.hostPlatform.release}" ++ lib.optional (stdenv.buildPlatform.uname.system != null) "-DCMAKE_HOST_SYSTEM_NAME=${stdenv.buildPlatform.uname.system}" ++ lib.optional (stdenv.buildPlatform.uname.processor != null) "-DCMAKE_HOST_SYSTEM_PROCESSOR=${stdenv.buildPlatform.uname.processor}" ++ lib.optional (stdenv.buildPlatform.uname.release != null) "-DCMAKE_HOST_SYSTEM_VERSION=${stdenv.buildPlatform.uname.release}"; + + mesonFlags = if mesonFlags == null then null else let + # See https://mesonbuild.com/Reference-tables.html#cpu-families + cpuFamily = platform: with platform; + /**/ if isAarch32 then "arm" + else if isAarch64 then "aarch64" + else if isx86_32 then "x86" + else if isx86_64 then "x86_64" + else platform.parsed.cpu.family + builtins.toString platform.parsed.cpu.bits; + crossFile = builtins.toFile "cross-file.conf" '' + [properties] + needs_exe_wrapper = true + + [host_machine] + system = '${stdenv.targetPlatform.parsed.kernel.name}' + cpu_family = '${cpuFamily stdenv.targetPlatform}' + cpu = '${stdenv.targetPlatform.parsed.cpu.name}' + endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"} + ''; + in [ "--cross-file=${crossFile}" ] ++ mesonFlags; } // lib.optionalAttrs (attrs.enableParallelBuilding or false) { enableParallelChecking = attrs.enableParallelChecking or true; } // lib.optionalAttrs (hardeningDisable != [] || hardeningEnable != []) { @@ -320,6 +342,32 @@ in rec { validity.handled ({ overrideAttrs = f: mkDerivation (attrs // (f attrs)); + + # A derivation that always builds successfully and whose runtime + # dependencies are the original derivations build time dependencies + # This allows easy building and distributing of all derivations + # needed to enter a nix-shell with + # nix-build shell.nix -A inputDerivation + inputDerivation = derivation (derivationArg // { + # Add a name in case the original drv didn't have one + name = derivationArg.name or "inputDerivation"; + # This always only has one output + outputs = [ "out" ]; + + # Propagate the original builder and arguments, since we override + # them and they might contain references to build inputs + _derivation_original_builder = derivationArg.builder; + _derivation_original_args = derivationArg.args; + + builder = stdenv.shell; + # The bash builtin `export` dumps all current environment variables, + # which is where all build input references end up (e.g. $PATH for + # binaries). By writing this to $out, Nix can find and register + # them as runtime dependencies (since Nix greps for store paths + # through $out to find them) + args = [ "-c" "export > $out" ]; + }); + inherit meta passthru; } // # Pass through extra attributes that are not inputs, but |