From 851bc58a74eadd89838c924167f27df1b9d3be37 Mon Sep 17 00:00:00 2001
From: hasufell <hasufell@gentoo.org>
Date: Thu, 27 Mar 2014 21:14:20 +0100
Subject: [PATCH 2/4] add various cmake options

---
 CMakeLists.txt        | 26 ++++++++++++++++++++++----
 client/CMakeLists.txt | 34 ++++++++++++++++++++--------------
 2 files changed, 42 insertions(+), 18 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 262e3db..91d5c50 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,13 @@
 include(CMakeDependentOption)
 include(GNUInstallDirs)
 
+# options
+option(BUILD_CLIENT "Build client target" 1)
+option(BUILD_SERVER "Build server target" 1)
+option(BUILD_MASTER "Build master server target" 1)
+cmake_dependent_option( BUILD_ODALAUNCH "Build odalaunch target" 1 BUILD_CLIENT 0 )
+cmake_dependent_option( ENABLE_PORTMIDI "Enable portmidi support" 1 BUILD_CLIENT 0 )
+
 project(Odamex)
 cmake_minimum_required(VERSION 2.8)
 
@@ -73,10 +80,21 @@ if(USE_INTREE_PORTMIDI)
 endif()
 
 # Subdirectories for Odamex projects
-add_subdirectory(client)
-add_subdirectory(server)
-add_subdirectory(master)
-add_subdirectory(odalaunch)
+if(BUILD_CLIENT)
+	add_subdirectory(client)
+endif()
+if(BUILD_SERVER)
+	add_subdirectory(server)
+endif()
+if(BUILD_MASTER)
+	add_subdirectory(master)
+endif()
+if(BUILD_ODALAUNCH)
+	add_subdirectory(odalaunch)
+endif()
+if(NOT BUILD_CLIENT AND NOT BUILD_SERVER AND NOT BUILD_MASTER)
+	message(FATAL_ERROR "No target chosen, doing nothing.")
+endif()
 
 # Disable the ag-odalaunch target completely: -DNO_AG-ODALAUNCH_TARGET
 # This is only really useful when setting up a universal build.
diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
index 3f73ab5..7363c5a 100644
--- a/client/CMakeLists.txt
+++ b/client/CMakeLists.txt
@@ -107,17 +107,21 @@ include_directories(${PNG_INCLUDE_DIRS})
 add_definitions(-DUSE_PNG)
 
 # PortMidi configuration
-if(USE_INTREE_PORTMIDI)
-  include_directories(../libraries/portmidi/pm_common/ ../libraries/portmidi/porttime/)
-  add_definitions(-DPORTMIDI)
+if(ENABLE_PORTMIDI)
+	if(USE_INTREE_PORTMIDI)
+	  include_directories(../libraries/portmidi/pm_common/ ../libraries/portmidi/porttime/)
+	  add_definitions(-DPORTMIDI)
+	else()
+	  find_package(PortMidi QUIET)
+	  if(PORTMIDI_FOUND)
+		include_directories(${PORTMIDI_INCLUDE_DIR})
+		add_definitions(-DPORTMIDI)
+	  else()
+		message(WARNING "PortMidi not found, client will be built without PortMidi support.")
+	  endif()
+	endif()
 else()
-  find_package(PortMidi QUIET)
-  if(PORTMIDI_FOUND)
-    include_directories(${PORTMIDI_INCLUDE_DIR})
-    add_definitions(-DPORTMIDI)
-  else()
-    message(WARNING "PortMidi not found, client will be built without PortMidi support.")
-  endif()
+	message(STATUS "Portmidi disabled.")
 endif()
 
 # Find Mac frameworks
@@ -147,10 +151,12 @@ if(SDL_FOUND AND SDLMIXER_FOUND)
   target_link_libraries(odamex ${ZLIB_LIBRARY})
   target_link_libraries(odamex ${PNG_LIBRARY} ${ZLIB_LIBRARY})
 
-  if(USE_INTREE_PORTMIDI)
-    target_link_libraries(odamex portmidi-static)
-  elseif(PORTMIDI_FOUND)
-    target_link_libraries(odamex ${PORTMIDI_LIBRARIES})
+  if(ENABLE_PORTMIDI)
+	  if(USE_INTREE_PORTMIDI)
+		target_link_libraries(odamex portmidi-static)
+	  elseif(PORTMIDI_FOUND)
+		target_link_libraries(odamex ${PORTMIDI_LIBRARIES})
+	  endif()
   endif()
 
   if(WIN32)
-- 
1.9.1