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libsigsegv*: add an option to apply a patch

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Close #28536; this code is a bit different in style for 2.5,
and avoids mass rebuild for the default version.
This commit is contained in:
Vladimír Čunát 2017-08-27 17:21:35 +02:00
parent 3eca1c5500
commit eef236d0ba
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GPG key ID: E747DF1F9575A3AA
2 changed files with 8 additions and 1 deletions
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6
pkgs/development/libraries/libsigsegv/2.5.nix
View file

@ -1,4 +1,6 @@
{ stdenv, fetchurl }:
{ stdenv, fetchurl
, enableSigbusFix ? false # required by kernels < 3.18.6
}:
stdenv.mkDerivation rec {
name = "libsigsegv-2.5";
@ -8,6 +10,8 @@ stdenv.mkDerivation rec {
sha256 = "0fvcsq9msi63vrbpvks6mqkrnls5cfy6bzww063sqhk2h49vsyyg";
};
patches = stdenv.lib.optional enableSigbusFix ./sigbus_fix.patch;
meta = {
homepage = http://libsigsegv.sf.net;
description = "A library for handling page faults in user mode";

3
pkgs/development/libraries/libsigsegv/default.nix
View file

@ -1,5 +1,6 @@
{ stdenv, fetchurl
, buildPlatform, hostPlatform
, enableSigbusFix ? false # required by kernels < 3.18.6
}:
stdenv.mkDerivation rec {
@ -10,6 +11,8 @@ stdenv.mkDerivation rec {
sha256 = "063swdvq7mbmc1clv0rnh20grwln1zfc2qnm0sa1hivcxyr2wz6x";
};
patches = if enableSigbusFix then [ ./sigbus_fix.patch ] else null;
doCheck = hostPlatform == buildPlatform;
meta = {