From 18ee31152a86519ecf045c9bf4580a0b5c8ac245 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 1 Jan 2024 16:50:21 +0000
Subject: [PATCH 1/2] c-blosc: 1.21.1 -> 1.21.5

---
 .../development/libraries/c-blosc/default.nix | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/c-blosc/default.nix b/pkgs/development/libraries/c-blosc/default.nix
index b03f3be904cb..7add6c636a70 100644
--- a/pkgs/development/libraries/c-blosc/default.nix
+++ b/pkgs/development/libraries/c-blosc/default.nix
@@ -1,16 +1,28 @@
-{ lib, stdenv, fetchFromGitHub, cmake }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+}:
 
 stdenv.mkDerivation rec {
   pname = "c-blosc";
-  version = "1.21.1";
+  version = "1.21.5";
 
   src = fetchFromGitHub {
     owner = "Blosc";
     repo = "c-blosc";
     rev = "v${version}";
-    sha256 = "sha256-6SKEyciwDOxcbO8chvmxrLCxLkc93zxo6eH0c/lRyT8=";
+    sha256 = "sha256-bz922lWiap3vMy8qS9dmXa8zUg5NJlg0bx3+/xz7QAk=";
   };
 
+  # https://github.com/NixOS/nixpkgs/issues/144170
+  postPatch = ''
+    sed -i -E \
+      -e '/^libdir[=]/clibdir=@CMAKE_INSTALL_FULL_LIBDIR@' \
+      -e '/^includedir[=]/cincludedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@' \
+      blosc.pc.in
+  '';
+
   nativeBuildInputs = [ cmake ];
 
   meta = with lib; {
@@ -18,5 +30,6 @@ stdenv.mkDerivation rec {
     homepage = "https://www.blosc.org";
     license = licenses.bsd3;
     platforms = platforms.all;
+    maintainers = with maintainers; [ ris ];
   };
 }

From 4819e2bfe059a5320ef858dc3abb68c9df99d020 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 1 Jan 2024 18:20:02 +0000
Subject: [PATCH 2/2] c-blosc: avoid vendored lz4, zlib & zstd, enable tests

---
 .../development/libraries/c-blosc/default.nix | 40 +++++++++++++++++--
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/c-blosc/default.nix b/pkgs/development/libraries/c-blosc/default.nix
index 7add6c636a70..1060e44af075 100644
--- a/pkgs/development/libraries/c-blosc/default.nix
+++ b/pkgs/development/libraries/c-blosc/default.nix
@@ -2,16 +2,23 @@
 , stdenv
 , fetchFromGitHub
 , cmake
+, testers
+
+, static ? stdenv.hostPlatform.isStatic
+
+, lz4
+, zlib
+, zstd
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "c-blosc";
   version = "1.21.5";
 
   src = fetchFromGitHub {
     owner = "Blosc";
     repo = "c-blosc";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     sha256 = "sha256-bz922lWiap3vMy8qS9dmXa8zUg5NJlg0bx3+/xz7QAk=";
   };
 
@@ -25,11 +32,38 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  buildInputs = [
+    lz4
+    zlib
+    zstd
+  ];
+
+  cmakeFlags = [
+    "-DBUILD_STATIC=${if static then "ON" else "OFF"}"
+    "-DBUILD_SHARED=${if static then "OFF" else "ON"}"
+
+    "-DPREFER_EXTERNAL_LZ4=ON"
+    "-DPREFER_EXTERNAL_ZLIB=ON"
+    "-DPREFER_EXTERNAL_ZSTD=ON"
+
+    "-DBUILD_EXAMPLES=OFF"
+    "-DBUILD_BENCHMARKS=OFF"
+    "-DBUILD_TESTS=${if finalAttrs.finalPackage.doCheck then "ON" else "OFF"}"
+  ];
+
+  doCheck = !static;
+
+  passthru.tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;
+
   meta = with lib; {
     description = "A blocking, shuffling and loss-less compression library";
     homepage = "https://www.blosc.org";
+    changelog = "https://github.com/Blosc/c-blosc/releases/tag/v${version}";
+    pkgConfigModules = [
+      "blosc"
+    ];
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ ris ];
   };
-}
+})