libical: enable strictDeps and fix cross

checked with diffoscope

pkgs/development/libraries/libical/default.nix

@@ -13,7 +13,7 @@
 , python3
 , tzdata
 , fixDarwinDylibNames
-, introspectionSupport ? stdenv.buildPlatform == stdenv.hostPlatform
+, withIntrospection ? stdenv.buildPlatform == stdenv.hostPlatform
 , gobject-introspection
 , vala
 }:
@@ -31,6 +31,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-gZ6IBjG5pNKJ+hWcTzXMP7yxL4he4LTklZGoC9vXra8=";
   };
 
+  strictDeps = true;
   nativeBuildInputs = [
     cmake
     ninja
@@ -43,7 +44,7 @@ stdenv.mkDerivation rec {
   ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
     # provides ical-glib-src-generator that runs during build
     libical
-  ] ++ lib.optionals introspectionSupport [
+  ] ++ lib.optionals withIntrospection [
     gobject-introspection
     vala
   ] ++ lib.optionals stdenv.isDarwin [
@@ -60,13 +61,14 @@ stdenv.mkDerivation rec {
     glib
     libxml2
     icu
+  ] ++ lib.optionals withIntrospection [
+    gobject-introspection
   ];
 
   cmakeFlags = [
     "-DENABLE_GTK_DOC=False"
-  ] ++ lib.optionals introspectionSupport [
-    "-DGOBJECT_INTROSPECTION=True"
-    "-DICAL_GLIB_VAPI=True"
+    "-DGOBJECT_INTROSPECTION=${if withIntrospection then "True" else "False"}"
+    "-DICAL_GLIB_VAPI=${if withIntrospection then "True" else "False"}"
   ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
     "-DIMPORT_ICAL_GLIB_SRC_GENERATOR=${lib.getDev buildPackages.libical}/lib/cmake/LibIcal/IcalGlibSrcGenerator.cmake"
   ];