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Diffstat (limited to 'nixos/modules/config/fonts/fontconfig.nix')
-rw-r--r--nixos/modules/config/fonts/fontconfig.nix17
1 files changed, 16 insertions, 1 deletions
diff --git a/nixos/modules/config/fonts/fontconfig.nix b/nixos/modules/config/fonts/fontconfig.nix
index be6662decea..e078a75b295 100644
--- a/nixos/modules/config/fonts/fontconfig.nix
+++ b/nixos/modules/config/fonts/fontconfig.nix
@@ -129,6 +129,14 @@ with lib;
 
         };
 
+        cache32Bit = mkOption {
+          default = false;
+          type = types.bool;
+          description = ''
+            Generate system fonts cache for 32-bit applications.
+          '';
+        };
+
       };
 
     };
@@ -231,12 +239,19 @@ with lib;
         "${pkgs.fontconfig}/etc/fonts/fonts.conf";
 
       environment.etc."fonts/${pkgs.fontconfig.configVersion}/conf.d/00-nixos.conf".text =
-        ''
+        let
+          cache = fontconfig: pkgs.makeFontsCache { inherit fontconfig; fontDirectories = config.fonts.fonts; };
+        in ''
           <?xml version='1.0'?>
           <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
           <fontconfig>
             <!-- Font directories -->
             ${concatStringsSep "\n" (map (font: "<dir>${font}</dir>") config.fonts.fonts)}
+            <!-- Pre-generated font caches -->
+            <cachedir>${cache pkgs.fontconfig}</cachedir>
+            ${optionalString (pkgs.stdenv.isx86_64 && config.fonts.fontconfig.cache32Bit) ''
+              <cachedir>${cache pkgs.pkgsi686Linux.fontconfig}</cachedir>
+            ''}
           </fontconfig>
         '';