tutorial/httpd build optimized on Darwin (#1193)

Closes #1168

Co-authored-by: Jan VL <[email protected]>

src/tutorial/httpd/build.ss

@@ -2,6 +2,15 @@
 ;; -*- Gerbil -*-
 
 (import :std/build-script)
+(import :std/make)
 
 (defbuild-script
-  '((exe: "simpled")))
+  (cond-expand
+    (darwin
+     `((exe: "simpled"
+        "-cc-options" ,(cppflags "openssl" "")
+        "-cc-options" "-Wno-implicit-function-declaration"
+        "-cc-options" "-Wno-deprecated-declarations"
+        "-ld-options" ,(ldflags "openssl" ""))))
+    (else
+     '((exe: "simpled")))))