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mandoc: fix UTF-8-support detection and make more robust at runtime

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locale(1) is not available in pkgsMusl.stdenv, but it is also not really
necessary. We just need to tell mandoc about *any* UTF-8 locale that is
also available at runtime.

For macOS C.UTF-8 is not available sadly, so we need to use
en_US.UTF-8. Using locale(1) for this is out of the question as NetBSD's
locale(1) depends on mandoc.
This commit is contained in:
sternenseemann 2021-09-19 20:42:54 +02:00
parent 342cabea95
commit 35e8d91d92
1 changed files with 17 additions and 1 deletions
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18
pkgs/tools/misc/mandoc/default.nix
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@ -1,5 +1,15 @@
{ lib, stdenv, fetchurl, zlib, perl }:
let
# 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.
utf8Locale =
if stdenv.hostPlatform.isDarwin
then "en_US.UTF-8"
else "C.UTF-8";
in
stdenv.mkDerivation rec {
pname = "mandoc";
version = "1.14.6";
@ -12,12 +22,18 @@ stdenv.mkDerivation rec {
buildInputs = [ zlib ];
configureLocal = ''
HAVE_WCHAR=1
MANPATH_DEFAULT="/run/current-system/sw/share/man"
OSNAME="NixOS"
PREFIX="$out"
LD_OHASH="-lutil"
CC=${stdenv.cc.targetPrefix}cc
# 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
# * Sandbox and locales cause all kinds of trouble
# * build and host libc (and thus locale handling) may differ
HAVE_WCHAR=1
UTF8_LOCALE=${utf8Locale}
'';
preConfigure = ''