asio: add old version 1.10.8 (#41822)

pkgs/development/libraries/asio/1.10.nix

@@ -0,0 +1,6 @@
+{callPackage, ... } @ args:
+
+callPackage ./generic.nix (args // {
+  version = "1.10.8";
+  sha256 = "0jgdl4fxw0hwy768rl3lhdc0czz7ak7czf3dg10j21pdpfpfvpi6";
+})

pkgs/development/libraries/asio/1.12.nix

@@ -0,0 +1,6 @@
+{callPackage, ... } @ args:
+
+callPackage ./generic.nix (args // {
+  version = "1.12.1";
+  sha256 = "0nln45662kg799ykvqx5m9z9qcsmadmgg6r5najryls7x16in2d9";
+})

pkgs/development/libraries/asio/default.nix

@@ -1,21 +0,0 @@
-{stdenv, fetchurl, boost, openssl}:
-
-stdenv.mkDerivation rec {
-  name = "asio-1.12.1";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/asio/${name}.tar.bz2";
-    sha256 = "0nln45662kg799ykvqx5m9z9qcsmadmgg6r5najryls7x16in2d9";
-  };
-
-  propagatedBuildInputs = [ boost ];
-  buildInputs = [ openssl ];
-
-  meta = {
-    homepage = http://asio.sourceforge.net/;
-    description = "Cross-platform C++ library for network and low-level I/O programming";
-    license = stdenv.lib.licenses.boost;
-    platforms = stdenv.lib.platforms.unix;
-  };
-
-}

pkgs/development/libraries/asio/generic.nix

@@ -0,0 +1,25 @@
+{stdenv, fetchurl, boost, openssl
+, version, sha256, ...
+}:
+
+with stdenv.lib;
+
+stdenv.mkDerivation {
+  name = "asio-${version}";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/asio/asio-${version}.tar.bz2";
+    inherit sha256;
+  };
+
+  propagatedBuildInputs = [ boost ];
+
+  buildInputs = [ openssl ];
+
+  meta = {
+    homepage = http://asio.sourceforge.net/;
+    description = "Cross-platform C++ library for network and low-level I/O programming";
+    license = licenses.boost;
+    platforms = platforms.unix;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -8607,7 +8607,9 @@ with pkgs;
 
   assimp = callPackage ../development/libraries/assimp { };
 
-  asio = callPackage ../development/libraries/asio { };
+  asio = asio_1_12;
+  asio_1_10 = callPackage ../development/libraries/asio/1.10.nix { };
+  asio_1_12 = callPackage ../development/libraries/asio/1.12.nix { };
 
   aspell = callPackage ../development/libraries/aspell { };