diff --git a/nixos/modules/system/boot/kexec.nix b/nixos/modules/system/boot/kexec.nix
index 3e5d7b40f2c58..b95673d825b32 100644
--- a/nixos/modules/system/boot/kexec.nix
+++ b/nixos/modules/system/boot/kexec.nix
@@ -1,7 +1,7 @@
 { pkgs, lib, ... }:
 
 {
-  config = lib.mkIf (pkgs.kexectools.meta.available) {
+  config = lib.mkIf (lib.any (lib.meta.platformMatch pkgs.stdenv.hostPlatform) pkgs.kexectools.meta.platform) {
     environment.systemPackages = [ pkgs.kexectools ];
 
     systemd.services."prepare-kexec" =
diff --git a/pkgs/development/compilers/ghc/7.10.3.nix b/pkgs/development/compilers/ghc/7.10.3.nix
index a4374a4524027..b69ae80d0db5c 100644
--- a/pkgs/development/compilers/ghc/7.10.3.nix
+++ b/pkgs/development/compilers/ghc/7.10.3.nix
@@ -15,7 +15,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/compilers/ghc/8.0.2.nix b/pkgs/development/compilers/ghc/8.0.2.nix
index 0946db7137836..f7422d150ac03 100644
--- a/pkgs/development/compilers/ghc/8.0.2.nix
+++ b/pkgs/development/compilers/ghc/8.0.2.nix
@@ -14,7 +14,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index 6a1914a9c2c8f..aac8cf4fd220e 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -15,7 +15,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/compilers/ghc/8.4.3.nix b/pkgs/development/compilers/ghc/8.4.3.nix
index 8fba60d527fd8..e43f9a57d0a45 100644
--- a/pkgs/development/compilers/ghc/8.4.3.nix
+++ b/pkgs/development/compilers/ghc/8.4.3.nix
@@ -14,7 +14,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/compilers/ghc/8.6.1.nix b/pkgs/development/compilers/ghc/8.6.1.nix
index c12401f05778d..62ea39791b908 100644
--- a/pkgs/development/compilers/ghc/8.6.1.nix
+++ b/pkgs/development/compilers/ghc/8.6.1.nix
@@ -14,7 +14,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index af5efbd7df8ce..87045815a37f3 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -14,7 +14,7 @@
 
 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
   # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? !(gmp.meta.available or false), gmp
+  enableIntegerSimple ? !(stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) gmp.meta.platforms), gmp
 
 , # If enabled, use -fPIC when compiling static libs.
   enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
diff --git a/pkgs/development/libraries/wiredtiger/default.nix b/pkgs/development/libraries/wiredtiger/default.nix
index c4d94af850dd5..56068c435d807 100644
--- a/pkgs/development/libraries/wiredtiger/default.nix
+++ b/pkgs/development/libraries/wiredtiger/default.nix
@@ -14,7 +14,7 @@ let
   mkEnable = mkFlag "enable-" "disable-";
   mkWith = mkFlag "with-" "without-";
 
-  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms then pkg else null;
 
   optLz4 = shouldUsePkg lz4;
   optSnappy = shouldUsePkg snappy;
diff --git a/pkgs/misc/jackaudio/default.nix b/pkgs/misc/jackaudio/default.nix
index 391ac107ab710..efd5aa4e9194f 100644
--- a/pkgs/misc/jackaudio/default.nix
+++ b/pkgs/misc/jackaudio/default.nix
@@ -14,7 +14,7 @@
 with stdenv.lib;
 let
   inherit (python2Packages) python dbus-python;
-  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms then pkg else null;
 
   libOnly = prefix == "lib";
 
diff --git a/pkgs/misc/jackaudio/jack1.nix b/pkgs/misc/jackaudio/jack1.nix
index c11be4ad0c0ca..2e349cf691c9c 100644
--- a/pkgs/misc/jackaudio/jack1.nix
+++ b/pkgs/misc/jackaudio/jack1.nix
@@ -5,7 +5,7 @@
 }:
 
 let
-  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms then pkg else null;
 
   optAlsaLib = shouldUsePkg alsaLib;
   optDb = shouldUsePkg db;
diff --git a/pkgs/os-specific/linux/apparmor/default.nix b/pkgs/os-specific/linux/apparmor/default.nix
index 08428f95b06cf..3ffaef8109f31 100644
--- a/pkgs/os-specific/linux/apparmor/default.nix
+++ b/pkgs/os-specific/linux/apparmor/default.nix
@@ -1,10 +1,10 @@
-{ stdenv, fetchurl, fetchpatch, makeWrapper, autoreconfHook
+{ stdenv, lib, fetchurl, fetchpatch, makeWrapper, autoreconfHook
 , pkgconfig, which
 , flex, bison
 , linuxHeaders ? stdenv.cc.libc.linuxHeaders
 , gawk
-, withPerl ? stdenv.hostPlatform == stdenv.buildPlatform && perl.meta.available or false, perl
-, withPython ? stdenv.hostPlatform == stdenv.buildPlatform && python.meta.available or false, python
+, withPerl ? stdenv.hostPlatform == stdenv.buildPlatform && lib.any (lib.meta.platformMatch stdenv.hostPlatform) perl.meta.platforms, perl
+, withPython ? stdenv.hostPlatform == stdenv.buildPlatform && lib.any (lib.meta.platformMatch stdenv.hostPlatform) python.meta.platforms, python
 , swig
 , ncurses
 , pam
diff --git a/pkgs/os-specific/linux/ffado/default.nix b/pkgs/os-specific/linux/ffado/default.nix
index 4e3e373d244c7..85218042cf764 100644
--- a/pkgs/os-specific/linux/ffado/default.nix
+++ b/pkgs/os-specific/linux/ffado/default.nix
@@ -11,7 +11,7 @@
 
 let
 
-  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms then pkg else null;
 
   libOnly = prefix == "lib";
 
diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index 482e3e0bc796c..96c82a6d9f88c 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchpatch, pkgconfig, intltool, gperf, libcap, kmod
+{ stdenv, lib, fetchFromGitHub, fetchpatch, pkgconfig, intltool, gperf, libcap, kmod
 , xz, pam, acl, libuuid, m4, utillinux, libffi
 , glib, kbd, libxslt, coreutils, libgcrypt, libgpgerror, libidn2, libapparmor
 , audit, lz4, bzip2, libmicrohttpd, pcre2
@@ -10,8 +10,8 @@
 , getent
 , buildPackages
 , withSelinux ? false, libselinux
-, withLibseccomp ? libseccomp.meta.available, libseccomp
-, withKexectools ? kexectools.meta.available, kexectools
+, withLibseccomp ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) libseccomp.meta.platforms, libseccomp
+, withKexectools ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) kexectools.meta.platforms, kexectools
 }:
 
 let
diff --git a/pkgs/servers/shishi/default.nix b/pkgs/servers/shishi/default.nix
index 1540a6f1fd18d..b066ff18bfdc8 100644
--- a/pkgs/servers/shishi/default.nix
+++ b/pkgs/servers/shishi/default.nix
@@ -14,7 +14,7 @@ let
   mkWith = mkFlag "with-" "without-";
   mkOther = mkFlag "" "" true;
 
-  shouldUsePkg = pkg: if pkg != null && pkg.meta.available then pkg else null;
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (stdenv.lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms then pkg else null;
 
   optPam = shouldUsePkg pam;
   optLibidn = shouldUsePkg libidn;
diff --git a/pkgs/tools/filesystems/ceph/generic.nix b/pkgs/tools/filesystems/ceph/generic.nix
index 14fedd6610e14..c4856d9252995 100644
--- a/pkgs/tools/filesystems/ceph/generic.nix
+++ b/pkgs/tools/filesystems/ceph/generic.nix
@@ -37,7 +37,8 @@ with stdenv.lib;
 let
 
   shouldUsePkg = pkg_: let pkg = (builtins.tryEval pkg_).value;
-    in if pkg.meta.available or false then pkg else null;
+    in if lib.any (lib.meta.platformMatch stdenv.hostPlatform) pkg.meta.platforms
+      then pkg else null;
 
   optYasm = shouldUsePkg yasm;
   optFcgi = shouldUsePkg fcgi;
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index ea0cdf9bd0f1a..71c5bd53909fd 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -5,7 +5,7 @@
 , storeDir ? "/nix/store"
 , stateDir ? "/nix/var"
 , confDir ? "/etc"
-, withLibseccomp ? libseccomp.meta.available, libseccomp
+, withLibseccomp ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) libseccomp.meta.platforms, libseccomp
 , withAWS ? stdenv.isLinux || stdenv.isDarwin, aws-sdk-cpp
 }: