cgal: propagate boost

pkgs/by-name/cg/cgal/package.nix

@@ -6,6 +6,7 @@
   boost,
   gmp,
   mpfr,
+  testers,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -17,19 +18,32 @@ stdenv.mkDerivation (finalAttrs: {
     sha256 = "sha256-8wxb58JaKj6iS8y6q1z2P6/aY8AnnzTX5/izISgh/tY=";
   };
 
+  patches = [ ./cgal_path.patch ];
+
+  nativeBuildInputs = [ cmake ];
+
   # note: optional component libCGAL_ImageIO would need zlib and opengl;
   #   there are also libCGAL_Qt{3,4} omitted ATM
   buildInputs = [
-    boost
     gmp
     mpfr
   ];
-  nativeBuildInputs = [ cmake ];
 
-  patches = [ ./cgal_path.patch ];
+  propagatedBuildInputs = [
+    boost
+  ];
 
   doCheck = false;
 
+  passthru = {
+    tests = {
+      cmake-config = testers.hasCmakeConfigModules {
+        moduleNames = [ "CGAL" ];
+        package = finalAttrs.finalPackage;
+      };
+    };
+  };
+
   meta = {
     description = "Computational Geometry Algorithms Library";
     homepage = "http://cgal.org";