added flgas for conditional compilation of available backends

tickLeisteServer.cabal

@@ -23,6 +23,26 @@ source-repository head
   type: git
   location: https://github.com/githubuser/tickLeisteServer
 
+flag cgi
+  description: Build with cgi support
+  manual: True
+  default: False
+
+flag fast-cgi
+  description: Build with fastcgi support
+  manual: True
+  default: False
+
+flag http
+  description: Build with http support
+  manual: True
+  default: True
+
+flag https
+  description: Build with https support
+  manual: True
+  default: False
+
 executable tickLeisteServer
   main-is: Main.hs
   other-modules:
@@ -39,15 +59,17 @@ executable tickLeisteServer
     , base >=4.7 && <5
     , bytestring
     , containers
-    , http-types
     , text
     , tickLeiste
     , tickLeiste-aeson
     , uuid
     , wai
     , wai-websockets
-    , warp
     , websockets
+  if flag(http)
+    build-depends:
+        http-types
+      , warp
   default-language: Haskell2010
 
 test-suite tickLeisteServer-test
@@ -65,7 +87,6 @@ test-suite tickLeisteServer-test
     , base >=4.7 && <5
     , bytestring
     , containers
-    , http-types
     , text
     , tickLeiste
     , tickLeiste-aeson
@@ -73,6 +94,9 @@ test-suite tickLeisteServer-test
     , uuid
     , wai
     , wai-websockets
-    , warp
     , websockets
+  if flag(http)
+    build-depends:
+        http-types
+      , warp
   default-language: Haskell2010