Add informational message and clean up a bit
[quassel.git] / CMakeLists.txt
index 92043db..a8e4666 100644 (file)
-PROJECT(Quassel)
-
-# 2.4.2 had a bug with out-of-source builds and UIC dependencies.
-CMAKE_MINIMUM_REQUIRED(VERSION 2.4.3 FATAL_ERROR)
-
-# Select if Quassel should be built in client, server or monolithic mode
-SET(BUILD "mono" CACHE STRING "Defines which Quassel parts are to be built. Can contain 'core', 'gui' and/or 'monolithic' (which is the default), or 'all' to build everything.")
-SET(BUILD_CORE )
-SET(BUILD_GUI )
-SET(BUILD_MONO )
-IF(BUILD MATCHES "core" OR BUILD MATCHES "all")
-  SET(BUILD_CORE true)
-  MESSAGE("Building Quassel core.")
-ENDIF(BUILD MATCHES "core" OR BUILD MATCHES "all")
-IF(BUILD MATCHES "gui" OR BUILD MATCHES "all")
-  SET(BUILD_GUI true)
-  MESSAGE("Building Quassel GUI.")
-ENDIF(BUILD MATCHES "gui" OR BUILD MATCHES "all")
-IF(BUILD MATCHES "mono" OR BUILD MATCHES "all")
-  SET(BUILD_MONO true)
-  MESSAGE("Building monolithic Quassel.")
-ENDIF(BUILD MATCHES "mono" OR BUILD MATCHES "all")
-IF(NOT BUILD_MONO AND NOT BUILD_CORE AND NOT BUILD_GUI)
-  MESSAGE(FATAL_ERROR "\nYou have not selected which parts of Quassel I should build. Aborting.\nRun 'cmake <path> -DBUILD=<part>', where <part> contains one or more of 'core', 'gui' or 'monolithic', or 'all' to build everything.\n")
-ENDIF(NOT BUILD_MONO AND NOT BUILD_CORE AND NOT BUILD_GUI)
-
-#SET(CMAKE_BUILD_TYPE Debug)
-
-# Define files
-SET(quassel_mono_SRCS main/main_mono.cpp)
-SET(quassel_core_SRCS main/main_core.cpp)
-SET(quassel_gui_SRCS  main/main_gui.cpp ${common_SRCS})
-SET(quassel_RCCS images/icons.qrc)
-SET(quassel_DIRS main gui core)
-
-# Build correct absolute paths for subdirs to include
-SET(SDIRS "")
-FOREACH(dir ${quassel_DIRS})
-  SET(SDIRS ${SDIRS} "${CMAKE_CURRENT_SOURCE_DIR}/${dir}")
-ENDFOREACH(dir)
-INCLUDE_DIRECTORIES(${SDIRS} plugins)
-INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
-
-# We need Qt4 support.
-SET(QT_MIN_VERSION "4.2.0")
-FIND_PACKAGE(Qt4 REQUIRED)
-
-# Set needed libraries
-SET(QT_USE_QTXML true)
-SET(QT_USE_QTSQL true)
-SET(QT_USE_QTNETWORK true)
-SET(QT_DONT_USE_QTGUI true)   # This is added later if GUI is requested
-INCLUDE(${QT_USE_FILE})
-
-# Define subdirs. CMake complains if a directory is added twice, so make sure this
-# does not happen in any combination of the requested targets.
-
-ADD_SUBDIRECTORY(main)
-IF(BUILD_CORE)
-  ADD_SUBDIRECTORY(core)
-ENDIF(BUILD_CORE)
-IF(BUILD_MONO AND NOT BUILD_CORE)
-  ADD_SUBDIRECTORY(core)
-ENDIF(BUILD_MONO AND NOT BUILD_CORE)
-
-QT4_ADD_RESOURCES(_RCCS ${quassel_RCCS})
-
-IF(BUILD_CORE)
-  ADD_DEFINITIONS(-DBUILD_CORE)
-  ADD_EXECUTABLE(quasselcore ${quassel_core_SRCS} ${_RCCS})
-  TARGET_LINK_LIBRARIES(quasselcore core main ${QT_LIBRARIES})
-ENDIF(BUILD_CORE)
-
-IF(BUILD_GUI OR BUILD_MONO)  # OK, now we need QtGui!
-  REMOVE_DEFINITIONS(-DQT_CORE_LIB -DQT_GUI_LIB ${QT_DEFINITIONS})
-  SET(QT_DONT_USE_QTGUI "")
-  SET(QT_INCLUDE_DIR "")
-  SET(QT_LIBRARIES "")
-  INCLUDE(${QT_USE_FILE})
-  ADD_SUBDIRECTORY(gui)
-
-  IF(BUILD_MONO)
-    ADD_DEFINITIONS(-DBUILD_MONO)
-    ADD_EXECUTABLE(quassel ${quassel_mono_SRCS} ${_RCCS})
-    TARGET_LINK_LIBRARIES(quassel gui core main ${QT_LIBRARIES})
-  ENDIF(BUILD_MONO)
-
-  IF(BUILD_GUI)
-    ADD_DEFINITIONS(-DBUILD_GUI)
-    ADD_EXECUTABLE(quasselgui ${quassel_gui_SRCS} ${_RCCS})
-    TARGET_LINK_LIBRARIES(quasselgui gui main ${QT_LIBRARIES})
-  ENDIF(BUILD_GUI)
-
-ENDIF(BUILD_GUI OR BUILD_MONO)
+# This is the cmake-based build system for Quassel IRC.
+# You may pass various options to cmake:
+# -DWANT_(CORE|QTCLIENT|MONO)=(ON|OFF)
+#                  : select binaries to build
+# -DQT=/path/to/qt : Choose a Qt4 installation to use instead of the system Qt4
+# -DSTATIC=ON      : Enable static building of Quassel. Use with care.
+# -DSPUTDEV=ON     : Do not use.
+# -DDEPLOY=ON      : Mac OS X only. Use only fore redistribution Quassel Packages!!
+#
+# NOTE: You need to remove CMakeCache.txt if you plan to change any of these values!
+
+project(QuasselIRC)
+
+# Target scopes don't work in older versions
+cmake_minimum_required(VERSION 2.4.7 FATAL_ERROR)
+
+# This would suppress annoying warnings on cmake-2.6, but we can't use it 
+# with 2.4, so... DUH!
+# cmake_policy(SET CMP0003 OLD)  # suppress linker warnings
+
+# Use our own (well, KDE's) version of some modules
+# In particular cmake's FindQt4 and FindOpenSSL are quite buggy
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
+
+# Various options and variables that can be set on the command line
+option(WANT_CORE     "Build the core (server) binary"           ON)
+option(WANT_QTCLIENT "Build the Qt4 GUI client binary"          ON)
+option(WANT_MONO     "Build the monolithic (all-in-one) binary" OFF)
+
+option(STATIC        "Enable static building (might not be portable)" OFF)
+option(DEPLOY        "Mac OS X only! Adds required libs to bundle resources and create a dmg. Note: requires Qt to be built with 10.4u SDK" OFF)
+option(SPUTDEV       "Do not use!" OFF)
+
+set(QT "" CACHE STRING "Path to a Qt installation to use instead of the system Qt")
+set(LINGUAS "" CACHE STRING "Space-separated List of locales specifying languages that should be compiled")
+if(STATIC)
+  set(CMAKE_BUILD_TYPE Release)
+endif(STATIC)
+
+# Enable various flags on gcc
+if(CMAKE_COMPILER_IS_GNUCXX)
+  include(CheckCXXCompilerFlag)
+  check_cxx_compiler_flag(-Wall HAVE_WALL)
+  if(HAVE_WALL)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+  endif(HAVE_WALL)
+  check_cxx_compiler_flag(-Wextra HAVE_WEXTRA)
+  if(HAVE_WEXTRA)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
+  endif(HAVE_WEXTRA)
+  check_cxx_compiler_flag(-ansi HAVE_ANSI)
+  if(HAVE_ANSI)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ansi")
+  endif(HAVE_ANSI)
+endif(CMAKE_COMPILER_IS_GNUCXX)
+
+set(QT_MIN_VERSION "4.3.0")
+
+if(APPLE AND DEPLOY)
+  set(CMAKE_OSX_ARCHITECTURES "i386;ppc")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.4")
+  set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.4u.sdk/")
+endif(APPLE AND DEPLOY)
+
+# Enable mostly b0rked stuff (new ChatView), do not enable this unless you know what you do...
+if(SPUTDEV)
+  add_definitions(-DSPUTDEV)
+endif(SPUTDEV)
+
+# Set up OpenSSL
+find_package(OpenSSL)
+
+# Select a Qt installation here, if you don't want to use system Qt
+if(QT)
+  # FindQt4 will look for the qmake binary in $PATH, so we just prepend the Qt dir
+  set(ENV{PATH} ${QT}/bin:$ENV{PATH})
+endif(QT)
+
+# Now that we have the correct $PATH, lets find Qt!
+find_package(Qt4 REQUIRED)
+
+set(QT_DONT_USE_QTGUI 1)
+include(${QT_USE_FILE})
+include_directories(${QT_INCLUDES})
+
+# We need to create a version.gen
+# For this, we create our genversion binary and make sure it is run every time.
+add_executable(genversion ${CMAKE_SOURCE_DIR}/src/common/genversion.cpp)
+target_link_libraries(genversion ${QT_LIBRARIES} ${QT_CORE_LIB_DEPENDENCIES})
+
+add_custom_target(genversion_run ALL ${CMAKE_BINARY_DIR}/genversion
+                  ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR}/src/common/version.gen)
+add_dependencies(genversion_run genversion)
+
+# Add needed subdirs
+add_subdirectory(src/common)
+include_directories(src/common)
+if(WANT_CORE OR WANT_MONO)
+  add_subdirectory(src/core)
+  include_directories(src/core)
+endif(WANT_CORE OR WANT_MONO)
+if(WANT_QTCLIENT OR WANT_MONO)
+  add_subdirectory(src/client)
+  add_subdirectory(src/uisupport)
+  add_subdirectory(src/qtui)
+  include_directories(src/client)
+  include_directories(src/uisupport)
+  include_directories(src/qtui)
+endif(WANT_QTCLIENT OR WANT_MONO)
+
+# Make sure version.gen exists before building mod_common
+add_dependencies(mod_common genversion_run)
+
+# Generate binary translation files
+include(QuasselGenerateTranslations)
+quassel_generate_i18n_resource(RC_I18N ${LINGUAS})
+
+# Add resources
+qt4_add_resources(RC_ICONS src/icons/icons.qrc)
+qt4_add_resources(RC_QUASSEL_ICONS src/icons/quassel-icons.qrc)
+qt4_add_resources(RC_SQL src/core/sql.qrc)
+
+# Set global buildflags
+# This is very much non-portable, so don't use -DSTATICGCC until you know what
+# you do.
+if(STATIC AND CMAKE_COMPILER_IS_GNUCXX)
+  set(CMAKE_CXX_FLAGS "-static-libgcc ${CMAKE_CXX_FLAGS}")
+  link_directories(${CMAKE_BINARY_DIR}/staticlibs) # override dynamic libs
+  if(OPENSSL_FOUND)
+    set(QUASSEL_SSL_LIBRARIES ssl crypto)  # these miss in static builds
+  endif(OPENSSL_FOUND)
+endif(STATIC AND CMAKE_COMPILER_IS_GNUCXX)
+
+if(STATIC AND WIN32)
+  link_libraries(imm32 winmm)  # missing by default :/
+   if(OPENSSL_FOUND)
+     link_libraries(${OPENSSL_LIBRARIES} libeay32MD)
+   endif(OPENSSL_FOUND)
+endif(STATIC AND WIN32)
+
+if(WIN32)
+  set(WIN32_RC src/icons/win32.rc)  # for app icons on windows
+endif(WIN32)
+
+# Here comes the dirty part. Our targets need different Qt4 modules, i.e. different libs
+# and defines. We can't simply include UseQt4 several times, since definitions add up.
+# We workaround this by using our own macro to figure out what to add.
+
+# This macro sets variables for additional Qt modules.
+macro(setup_qt4_variables)
+  set(QUASSEL_QT_LIBRARIES )
+  IF(WIN32)
+    set(MAIN MAIN)
+  ENDIF(WIN32)
+  foreach(qtmod CORE ${ARGV} ${MAIN})
+    set(QUASSEL_QT_LIBRARIES ${QUASSEL_QT_LIBRARIES} ${QT_QT${qtmod}_LIBRARY} ${QT_${qtmod}_LIB_DEPENDENCIES})
+  endforeach(qtmod ${ARGV})
+  set(QUASSEL_QT_LIBRARIES ${QUASSEL_QT_LIBRARIES} ${QT_LIBRARIES})
+endmacro(setup_qt4_variables)
+
+# Now we have everything, so just glue the right pieces together :)
+if(WANT_CORE)
+  setup_qt4_variables(NETWORK SCRIPT SQL)
+  add_executable(quasselcore ${CMAKE_SOURCE_DIR}/src/common/main.cpp
+                             ${RC_SQL} ${RC_I18N} ${WIN32_RC})
+  set_target_properties(quasselcore PROPERTIES 
+                                    COMPILE_FLAGS "-DQT_NETWORK_LIB -DQT_SCRIPT_LIB -DQT_SQL_LIB -DBUILD_CORE")
+  target_link_libraries(quasselcore mod_core mod_common 
+                                    ${QUASSEL_QT_LIBRARIES} ${QUASSEL_SSL_LIBRARIES})
+endif(WANT_CORE)
+
+if(WANT_QTCLIENT)
+  setup_qt4_variables(GUI NETWORK)
+  add_executable(quasselclient WIN32 ${CMAKE_SOURCE_DIR}/src/common/main.cpp
+                                     ${RC_ICONS} ${RC_QUASSEL_ICONS} ${RC_I18N} ${WIN32_RC})
+  set_target_properties(quasselclient PROPERTIES
+                                      COMPILE_FLAGS "-DQT_GUI_LIB -DQT_NETWORK_LIB -DBUILD_QTUI")
+  target_link_libraries(quasselclient mod_qtui mod_uisupport mod_client mod_common
+                                      ${QUASSEL_QT_LIBRARIES} ${QUASSEL_SSL_LIBRARIES})
+endif(WANT_QTCLIENT)
+
+if(WANT_MONO)
+  setup_qt4_variables(GUI NETWORK SCRIPT SQL)
+  add_executable(quassel WIN32 ${CMAKE_SOURCE_DIR}/src/common/main.cpp
+                               ${RC_ICONS} ${RC_QUASSEL_ICONS} ${RC_SQL} ${RC_I18N} ${WIN32_RC})
+  set_target_properties(quassel PROPERTIES 
+                                COMPILE_FLAGS "-DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_SCRIPT_LIB -DQT_SQL_LIB -DBUILD_MONO")
+  target_link_libraries(quassel mod_qtui mod_uisupport mod_client mod_core mod_common 
+                                ${QUASSEL_QT_LIBRARIES} ${QUASSEL_SSL_LIBRARIES})
+endif(WANT_MONO)
+
+# Build bundles for MacOSX
+if(APPLE)
+  add_custom_command(TARGET quasselclient POST_BUILD
+                     COMMAND ${CMAKE_SOURCE_DIR}/scripts/build/macosx_makebundle.py
+                             ${CMAKE_SOURCE_DIR} "Quassel Client" quasselclient)
+  add_custom_command(TARGET quassel POST_BUILD
+                     COMMAND ${CMAKE_SOURCE_DIR}/scripts/build/macosx_makebundle.py
+                             ${CMAKE_SOURCE_DIR} "Quassel" quassel)
+  if(DEPLOY)
+    add_custom_command(TARGET quasselclient POST_BUILD
+                       COMMAND ${CMAKE_SOURCE_DIR}/scripts/build/macosx_makePackage.sh Client)
+    add_custom_command(TARGET quasselcore POST_BUILD
+                       COMMAND ${CMAKE_SOURCE_DIR}/scripts/build/macosx_makePackage.sh Core)
+  endif(DEPLOY)
+endif(APPLE)
+
+# Install rules
+if(WANT_CORE)
+  install(TARGETS quasselcore
+          RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
+endif(WANT_CORE)
+
+if(WANT_QTCLIENT)
+  install(TARGETS quasselclient
+          RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
+
+  install(FILES quasselclient.desktop
+          DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications)
+endif(WANT_QTCLIENT)
+
+if(WANT_MONO)
+  install(TARGETS quassel
+          RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
+
+  install(FILES quassel.desktop
+          DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications)
+endif(WANT_MONO)