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mandoc: support cross as far as possible

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mandoc can't be cross compiled easily since all configure checks rely on
executing a binary built using $CC. We can however still do “native”
cross compilation like pkgsStatic and pkgsLLVM. To facilitate this, the
following changes are required:

* Set the correct AR to use in configure.local

* Inform users that cross compilation will fail via a throw if the build
  platform can't execute the host platform's binaries.
This commit is contained in:
sternenseemann 2021-09-19 19:49:29 +02:00
parent 35e8d91d92
commit a43f48b710
1 changed files with 11 additions and 1 deletions
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12
pkgs/tools/misc/mandoc/default.nix
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@ -1,6 +1,12 @@
{ lib, stdenv, fetchurl, zlib, perl }:
let
# check if we can execute binaries for the host platform on the build platform
# even though the platforms aren't the same. mandoc can't be cross compiled
# (easily) because of its configurePhase, but we want to allow “native” cross
# such as pkgsLLVM and pkgsStatic.
executableCross = stdenv.hostPlatform.isCompatible stdenv.buildPlatform;
# Name of an UTF-8 locale _always_ present at runtime, used for UTF-8 support
# (locale set by the user may differ). This would usually be C.UTF-8, but
# darwin has no such locale.
@ -10,6 +16,9 @@ let
else "C.UTF-8";
in
assert executableCross ||
throw "mandoc relies on executing compiled programs in configurePhase, can't cross compile";
stdenv.mkDerivation rec {
pname = "mandoc";
version = "1.14.6";
@ -27,6 +36,7 @@ stdenv.mkDerivation rec {
PREFIX="$out"
LD_OHASH="-lutil"
CC=${stdenv.cc.targetPrefix}cc
AR=${stdenv.cc.bintools.targetPrefix}ar
# Bypass the locale(1)-based check for UTF-8 support since it causes trouble:
# * We only have meaningful locale(1) implementations for glibc and macOS
# * NetBSD's locale(1) (used for macOS) depends on mandoc
@ -40,7 +50,7 @@ stdenv.mkDerivation rec {
printf '%s' "$configureLocal" > configure.local
'';
doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
doCheck = executableCross;
checkTarget = "regress";
checkInputs = [ perl ];
preCheck = "patchShebangs --build regress/regress.pl";