From 42e4f90afb6476faf5245e175a0d68bd383e4ac6 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Tue, 8 May 2018 14:51:52 -0500
Subject: [PATCH] thin-provisioning-tools: fix build w/musl re:PAGE_SIZE

---
 pkgs/tools/misc/thin-provisioning-tools/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/tools/misc/thin-provisioning-tools/default.nix b/pkgs/tools/misc/thin-provisioning-tools/default.nix
index 26fca485fec2..64b059bbfea0 100644
--- a/pkgs/tools/misc/thin-provisioning-tools/default.nix
+++ b/pkgs/tools/misc/thin-provisioning-tools/default.nix
@@ -15,6 +15,11 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ expat libaio boost ];
 
+  postPatch = stdenv.lib.optional stdenv.hostPlatform.isMusl ''
+    sed -i -e '/PAGE_SIZE/d' -e '1i#include <limits.h>' \
+      block-cache/io_engine.h unit-tests/io_engine_t.cc
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://github.com/jthornber/thin-provisioning-tools/;
     description = "A suite of tools for manipulating the metadata of the dm-thin device-mapper target";