Move all CMake scripts one level up
[quassel.git] / CMakeLists.txt
index 353511d..0295713 100644 (file)
 # NOTE: You should remove CMakeCache.txt if you plan to change any of these values!
 
 
+cmake_minimum_required(VERSION 2.8.9)
 project(QuasselIRC)
 
-include(CheckFunctionExists)
-include(CheckIncludeFile)
+# Versions
+set(QUASSEL_MAJOR  0)
+set(QUASSEL_MINOR 11)
+set(QUASSEL_PATCH  0)
+set(QUASSEL_VERSION_STRING "0.11-pre")
 
-# For building against Qt5, we check for an even newer cmake version below!
-cmake_minimum_required(VERSION 2.8.1 FATAL_ERROR)
+# Tell CMake about or own stuff
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
-if(COMMAND cmake_policy)
-   cmake_policy(SET CMP0003 NEW)
-endif(COMMAND cmake_policy)
+include(CheckFunctionExists)
+include(CheckIncludeFile)
+include(CheckCXXCompilerFlag)
 
-# Use our own (well, and KDE's) version of some modules
-# In particular cmake's own FindQt4 and FindOpenSSL are quite buggy
-set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
 include(QuasselMacros)
 
 # Various options and variables that can be set on the command line
@@ -68,7 +69,10 @@ option(STATIC        "Enable static building (might not be portable)" OFF)
 
 if(APPLE)
   option(DEPLOY        "Mac OS X only! Adds required libs to bundle resources and create a dmg. Note: requires Qt to be built with 10.4u SDK" OFF)
-  option(WITH_NOTIFICATION_CENTER "Enable OS X Notification Center support" ON)
+  # Notification Center is only available in > 10.8, which is Darwin v12
+  if(CMAKE_SYSTEM_VERSION VERSION_GREATER "11.9.9")
+    option(WITH_NOTIFICATION_CENTER "Enable OS X Notification Center support" ON)
+  endif(CMAKE_SYSTEM_VERSION VERSION_GREATER "11.9.9")
 endif(APPLE)
 
 # Default to embedding data in the static case
@@ -102,44 +106,67 @@ if(LINK_EXTRA)
   link_libraries(${LINK_EXTRA})
 endif(LINK_EXTRA)
 
-# Build Type
-# We need to make sure it's not empty
-# Supported: Release, RelWithDebugInfo, Debug, Debugfull
+# Build Types
 
-# On WIN32, only Release seems to work correctly (?)
-if(WIN32)
-  set(DEFAULT_BUILD_TYPE "Release")
-else(WIN32)
-  set(DEFAULT_BUILD_TYPE "RelWithDebugInfo")
-endif(WIN32)
+if(CMAKE_CONFIGURATION_TYPES)
+   set(CMAKE_CONFIGURATION_TYPES Release RelWithDebInfo Debug Debugfull Profile MinSizeRel)
+   set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING
+     "Reset the configurations to what we need"
+     FORCE)
+endif()
 
-set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE} CACHE STRING "CMake Build Type")
 if(NOT CMAKE_BUILD_TYPE)
-  set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE} CACHE STRING "CMake Build Type" FORCE)
-endif(NOT CMAKE_BUILD_TYPE)
+  SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
+     "Choose the type of build, options are: None Debug Release RelWithDebInfo Debug Debugfull Profile MinSizeRel."
+     FORCE)
+endif()
 
 # Qt debug flags
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG QT_DEBUG)
-set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_FULLDEBUG QT_DEBUG)
+set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUGFULL QT_DEBUG)
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE QT_NO_DEBUG NDEBUG)
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELWITHDEBINFO QT_NO_DEBUG NDEBUG)
+set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_PROFILE QT_NO_DEBUG NDEBUG)
 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL QT_NO_DEBUG NDEBUG)
 
-IF(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
+if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
   set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS QT_NO_DEBUG NDEBUG)
-ENDIF()
+endif()
 
 # Enable various flags on gcc
 if(CMAKE_COMPILER_IS_GNUCXX)
   # Let's just hope that all gccs support these options and skip the tests...
   # -fno-strict-aliasing is needed apparently for Qt < 4.6
   set(CMAKE_CXX_FLAGS                  "${CMAKE_CXX_FLAGS} -ansi -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing")
-  set(CMAKE_CXX_FLAGS_RELEASE          "-O2 ${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBUGINFO "-g -O2 ${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_DEBUG            "-g -ggdb -fno-reorder-blocks -fno-schedule-insns -fno-inline ${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_DEBUGFULL        "-g3 ${CMAKE_CXX_FLAGS_DEBUG}")
+#  set(CMAKE_CXX_FLAGS_RELEASE          "-O2")   # use CMake default
+#  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2")  # use CMake default
+  set(CMAKE_CXX_FLAGS_DEBUG             "-g -ggdb -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
+  set(CMAKE_CXX_FLAGS_DEBUGFULL         "-g3 -ggdb -fno-inline")
+  set(CMAKE_CXX_FLAGS_PROFILE           "-g3 -ggdb -fno-inline -ftest-coverage -fprofile-arcs")
+
+  set(CMAKE_CXX_FLAGS                  "${CMAKE_CXX_FLAGS} -ansi -W -Wall -Wextra -Wnon-virtual-dtor -fno-strict-aliasing -Wundef -Wcast-align -Wpointer-arith -Wformat-security -fno-check-new -fno-common")
+
+  check_cxx_compiler_flag(-Woverloaded-virtual CXX_W_OVERLOADED_VIRTUAL)
+  if(CXX_W_OVERLOADED_VIRTUAL)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual")
+  endif()
+
+  # Just for miniz
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
 endif(CMAKE_COMPILER_IS_GNUCXX)
 
+# ... and for Clang
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wextra -Wpointer-arith -Wformat-security -Woverloaded-virtual -fno-common -Werror=return-type")
+#  set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG -DQT_NO_DEBUG")     # Use CMake default
+#  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -DQT_NO_DEBUG")  # Use CMake default
+  set(CMAKE_CXX_FLAGS_DEBUG          "-g -O2 -fno-inline")
+  set(CMAKE_CXX_FLAGS_DEBUGFULL      "-g3 -fno-inline")
+  set(CMAKE_CXX_FLAGS_PROFILE        "-g3 -fno-inline -ftest-coverage -fprofile-arcs")
+
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-undef -fno-strict-aliasing")
+endif()
+
 # Mac build stuff
 if(APPLE AND DEPLOY)
   set(CMAKE_OSX_ARCHITECTURES "x86_64")
@@ -215,6 +242,21 @@ if(QT_LRELEASE_EXECUTABLE)
 endif(QT_LRELEASE_EXECUTABLE)
 
 
+# zlib for compression, however we can always fall back to miniz
+find_package(ZLIB)
+if(ZLIB_FOUND)
+  message(STATUS "Using system zlib for compression")
+  add_definitions(-DHAVE_ZLIB)
+  include_directories(${ZLIB_INCLUDE_DIRS})
+  set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${ZLIB_LIBRARIES})
+else()
+  message(STATUS "zlib NOT found, using bundled miniz for compression")
+  if(${CMAKE_SIZEOF_VOID_P} EQUAL 4)
+    message(STATUS "WARNING: This may be slow on 32 bit systems!")
+  endif()
+endif()
+
+
 # Execinfo is needed for generating backtraces
 find_package(ExecInfo)
 if(EXECINFO_FOUND)
@@ -307,15 +349,19 @@ if(BUILD_GUI)
 
   # Setup KDE4 support
   if(WITH_KDE AND NOT WITH_QT5)
+    # KDE has overzealous CFLAGS making miniz not compile, so save our old flags
+    set(_cflags ${CMAKE_C_FLAGS})
     find_package(KDE4)
     if(KDE4_FOUND)
       message(STATUS "Enabling KDE4 integration")
       include_directories(${KDE4_INCLUDES})
       add_definitions(-DHAVE_KDE ${KDE4_DEFINITIONS})
       set(HAVE_KDE 1)
-      set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${KDE4_KDECORE_LIBS} ${KDE4_KDEUI_LIBRARY} ${KDE4_SOLID_LIBS} knotifyconfig)
+      set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${KDE4_KDECORE_LIBS} ${KDE4_KDEUI_LIBRARY} ${KDE4_SOLID_LIBS} ${KDE4_KNOTIFYCONFIG_LIBRARY})
       # We always use external icons for KDE4 support, since we use its iconloader rather than our own
       set(EMBED_DATA OFF)
+      # Restore our old CFLAGS
+      set(CMAKE_C_FLAGS ${_cflags})
     else(KDE4_FOUND)
       message(STATUS "KDE4 not found, disabling KDE integration")
     endif(KDE4_FOUND)
@@ -351,6 +397,13 @@ if(BUILD_GUI)
     else(WITH_PHONON)
       message(STATUS "Not enabling Phonon support")
     endif(WITH_PHONON)
+
+    find_package(Libsnore)
+    if(LIBSNORE_FOUND)
+        add_definitions(-DHAVE_LIBSNORE)
+        set(CLIENT_LIBRARIES ${CLIENT_LIBRARIES} ${LIBSNORE_LIBRARIES})
+        set(HAVE_SNORENOTIFY true)
+    endif(LIBSNORE_FOUND)
   endif(NOT HAVE_KDE)
 
   # Setup libindicate-qt support
@@ -379,7 +432,6 @@ if(BUILD_GUI)
       /System/Library/Frameworks/Foundation.framework
     )
   endif()
-
 endif(BUILD_GUI)
 
 # Core-only deps
@@ -491,20 +543,18 @@ if(NOT WIN32)
   endif(HAVE_UMASK)
 endif(NOT WIN32)
 
-# We need to create a version.gen
-# For this, we create our genversion binary and make sure it is run every time.
-
-setup_qt_variables()
-include_directories(${QUASSEL_QT_INCLUDES})
+# Generate version information from Git
+include(GetGitRevisionDescription)
+get_git_head_revision(GIT_REFSPEC GIT_HEAD)
+git_describe(GIT_DESCRIBE --long)
 
-add_executable(genversion ${CMAKE_SOURCE_DIR}/src/common/genversion.cpp)
-target_link_libraries(genversion ${QUASSEL_QT_LIBRARIES})
-set_target_properties(genversion PROPERTIES COMPILE_FLAGS "${QUASSEL_QT_COMPILEFLAGS}")
+# Sanitize things if we're not in a Git repo
+if(NOT GIT_HEAD OR NOT GIT_DESCRIBE)
+    set(GIT_HEAD "")
+    set(GIT_DESCRIBE "")
+endif()
 
-get_target_property(GENVERSION_EXECUTABLE genversion LOCATION)
-add_custom_target(genversion_run ALL ${GENVERSION_EXECUTABLE}
-                  ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR}/src/version.gen)
-add_dependencies(genversion_run genversion)
+configure_file(version.h.in ${CMAKE_BINARY_DIR}/version.h @ONLY)
 
 # These variables will be added to the main targets (CORE, QTCLIENT, MONO)
 set(COMMON_DEPS ${RC_WIN32})