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Diffstat (limited to 'pkgs/build-support/lib/meson.nix')
-rw-r--r-- | pkgs/build-support/lib/meson.nix | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/pkgs/build-support/lib/meson.nix b/pkgs/build-support/lib/meson.nix new file mode 100644 index 000000000000..395b573f8587 --- /dev/null +++ b/pkgs/build-support/lib/meson.nix @@ -0,0 +1,35 @@ +{ stdenv, lib }: + +let + inherit (lib) boolToString optionals; + + # See https://mesonbuild.com/Reference-tables.html#cpu-families + cpuFamily = platform: with platform; + /**/ if isAarch32 then "arm" + else if isx86_32 then "x86" + else platform.uname.processor; + + makeMesonFlags = { mesonFlags ? [], ... }: + let + crossFile = builtins.toFile "cross-file.conf" '' + [properties] + bindgen_clang_arguments = ['-target', '${stdenv.targetPlatform.config}'] + needs_exe_wrapper = ${boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)} + + [host_machine] + system = '${stdenv.targetPlatform.parsed.kernel.name}' + cpu_family = '${cpuFamily stdenv.targetPlatform}' + cpu = '${stdenv.targetPlatform.parsed.cpu.name}' + endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"} + + [binaries] + llvm-config = 'llvm-config-native' + rust = ['rustc', '--target', '${stdenv.targetPlatform.rust.rustcTargetSpec}'] + ''; + crossFlags = optionals (stdenv.hostPlatform != stdenv.buildPlatform) [ "--cross-file=${crossFile}" ]; + in crossFlags ++ mesonFlags; + +in +{ + inherit makeMesonFlags; +} |