diff --git a/pkgs/os-specific/darwin/apple-source-releases/file_cmds/meson.build.in b/pkgs/os-specific/darwin/apple-source-releases/file_cmds/meson.build.in
index 638742f978c2..9919a3d90b3a 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/file_cmds/meson.build.in
+++ b/pkgs/os-specific/darwin/apple-source-releases/file_cmds/meson.build.in
@@ -4,7 +4,10 @@
 # Project settings
 project('file_cmds', 'c', version : '@version@')
 add_global_arguments(
+    # These are not defined automatically by Clang. Not having them defined causes compilation failures.
     '-DTARGET_OS_BRIDGE=0',
+    '-DTARGET_OS_EXCLAVECORE=0',
+    '-DTARGET_OS_EXCLAVEKIT=0',
     language : 'c',
 )
 
diff --git a/pkgs/os-specific/darwin/apple-source-releases/file_cmds/package.nix b/pkgs/os-specific/darwin/apple-source-releases/file_cmds/package.nix
index 584d2a312a60..7961a0125ae5 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/file_cmds/package.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/file_cmds/package.nix
@@ -53,6 +53,8 @@ let
         uint64_t xdi_xdtream_obj_id;
       };
       #define APFS_CLEAR_PURGEABLE 0
+      #define APFS_PURGEABLE_FLAGS_MASK 0xFFFF
+      #define APFSIOC_GET_PURGEABLE_FILE_FLAGS _IOR('J', 71, uint64_t)
       #define APFSIOC_MARK_PURGEABLE _IOWR('J', 68, uint64_t)
       #define APFSIOC_XDSTREAM_OBJ_ID _IOWR('J', 53, struct xdstream_obj_id)
       EOF