Bump CMake version requirement to 2.8.9

[quassel.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24deb86..a220522 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,19 +25,13 @@
 # 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)
 include(CheckCXXCompilerFlag)
 
-# For building against Qt5, we check for an even newer cmake version below!
-cmake_minimum_required(VERSION 2.8.1 FATAL_ERROR)
-
-if(COMMAND cmake_policy)
-   cmake_policy(SET CMP0003 NEW)
-endif(COMMAND cmake_policy)
-
 # 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 ${CMAKE_SOURCE_DIR}/cmake/modules)
@@ -150,6 +144,9 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   if(CXX_W_OVERLOADED_VIRTUAL)
     set(CMAKE_CXX_FLAGS "${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
@@ -160,6 +157,8 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   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
@@ -237,6 +236,21 @@ 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)
@@ -329,6 +343,8 @@ 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")
@@ -338,6 +354,8 @@ if(BUILD_GUI)
       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)
@@ -373,6 +391,13 @@ 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
@@ -401,7 +426,6 @@ if(BUILD_GUI)
       /System/Library/Frameworks/Foundation.framework
     )
   endif()
-
 endif(BUILD_GUI)
 
 # Core-only deps