96 lines
3.1 KiB
Nix
96 lines
3.1 KiB
Nix
{ system, name, preHook ? null, postHook ? null, initialPath, gcc, shell
|
|
, param1 ? "", param2 ? "", param3 ? "", param4 ? "", param5 ? ""
|
|
, extraAttrs ? {}
|
|
|
|
, # The `fetchurl' to use for downloading curl and its dependencies
|
|
# (see all-packages.nix).
|
|
fetchurlBoot
|
|
}:
|
|
|
|
let {
|
|
|
|
stdenvGenerator = setupScript: rec {
|
|
|
|
# The stdenv that we are producing.
|
|
result =
|
|
|
|
derivation {
|
|
inherit system name;
|
|
|
|
builder = shell;
|
|
|
|
args = ["-e" ./builder.sh];
|
|
|
|
setup = setupScript;
|
|
|
|
inherit preHook postHook initialPath gcc shell;
|
|
|
|
# TODO: make this more elegant.
|
|
inherit param1 param2 param3 param4 param5;
|
|
}
|
|
|
|
// {
|
|
|
|
# Add a utility function to produce derivations that use this
|
|
# stdenv and its shell.
|
|
mkDerivation = attrs:
|
|
(derivation (
|
|
(removeAttrs attrs ["meta" "passthru"])
|
|
//
|
|
{
|
|
builder = if attrs ? realBuilder then attrs.realBuilder else shell;
|
|
args = if attrs ? args then attrs.args else
|
|
["-e" (if attrs ? builder then attrs.builder else ./default-builder.sh)];
|
|
stdenv = result;
|
|
system = result.system;
|
|
})
|
|
)
|
|
# The meta attribute is passed in the resulting attribute set,
|
|
# but it's not part of the actual derivation, i.e., it's not
|
|
# passed to the builder and is not a dependency. But since we
|
|
# include it in the result, it *is* available to nix-env for
|
|
# queries.
|
|
//
|
|
{ meta = if attrs ? meta then attrs.meta else {}; }
|
|
# Pass through extra attributes that are not inputs, but
|
|
# should be made available to Nix expressions using the
|
|
# derivation (e.g., in assertions).
|
|
//
|
|
(if attrs ? passthru then attrs.passthru else {});
|
|
|
|
# Utility flags to test the type of platform.
|
|
isDarwin = result.system == "i686-darwin" || result.system == "powerpc-darwin";
|
|
isLinux = result.system == "i686-linux"
|
|
|| result.system == "x86_64-linux"
|
|
|| result.system == "powerpc-linux";
|
|
isi686 = result.system == "i686-linux"
|
|
|| result.system == "i686-darwin"
|
|
|| result.system == "i686-freebsd";
|
|
is64bit = result.system == "x86_64-linux";
|
|
|
|
# Utility function: allow stdenv to be easily regenerated with
|
|
# a different setup script. (See all-packages.nix for an
|
|
# example.)
|
|
regenerate = stdenvGenerator;
|
|
|
|
# For convenience, bring in the library functions in lib/ so
|
|
# packages don't have to do that themselves.
|
|
lib = import ../../lib;
|
|
|
|
inherit fetchurlBoot;
|
|
|
|
}
|
|
|
|
# Propagate any extra attributes. For instance, we use this to
|
|
# "lift" packages like curl from the final stdenv for Linux to
|
|
# all-packages.nix for that platform (meaning that it has a line
|
|
# like curl = if stdenv ? curl then stdenv.curl else ...).
|
|
// extraAttrs;
|
|
|
|
}.result;
|
|
|
|
|
|
body = stdenvGenerator ./setup.sh;
|
|
|
|
}
|