X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=CMakeLists.txt;h=69945fc930e7a443cbcca826616942bc772b2453;hp=6f24251e27dc879d08cd7fe312f481a50e5af60a;hb=75b56fa155ec64fbe2a0a1a1aefe79f80646767c;hpb=23245ed934bb8120852ee008b4c74989728c9e27

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f24251e..69945fc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,13 @@
 # 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!!
+#                     : select binaries to build
+# -DWITH_OPENSSL=OFF  : Disable OpenSSL support
+# -DWITH_DBUS=OFF     : Disable D-Bus support
+# -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!
 
@@ -15,7 +17,7 @@ project(QuasselIRC)
 cmake_minimum_required(VERSION 2.4.7 FATAL_ERROR)
 
 if(COMMAND cmake_policy)
-   cmake_policy(SET CMP0003 OLD)  # suppress linker warnings
+   cmake_policy(SET CMP0003 NEW)
 endif(COMMAND cmake_policy)
 
 # Use our own (well, KDE's) version of some modules
@@ -27,13 +29,16 @@ 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(WITH_OPENSSL  "Enable OpenSSL support if present on the system"	ON)
+option(WITH_DBUS     "Enable D-Bus support if present on the system"	ON)
+
 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)
@@ -73,11 +78,40 @@ if(SPUTDEV)
   add_definitions(-DSPUTDEV)
 endif(SPUTDEV)
 
-# Set up OpenSSL
-find_package(OpenSSL)
-if(NOT OPENSSL_FOUND)
-  add_definitions(-DQT_NO_OPENSSL)
-endif(NOT OPENSSL_FOUND)
+# Set up execinfo
+
+# The problem with this library is that it is built-in in the Linux glib, 
+# while on systems like FreeBSD, it is installed separately and thus needs to be linked to.
+# Therefore, we search for the header to see if the it's available in the first place.
+# If it is available, we try to locate the library to figure out whether it is built-in or not.
+
+find_path(EXECINFO_H_DIR "execinfo.h")
+
+if(NOT EXECINFO_H_DIR STREQUAL "EXECINFO_H_DIR-NOTFOUND")
+  # We found the header file's include dir.
+  # Let's add it so the compiler finds it as well.
+  include_directories(${EXECINFO_H_DIR})
+
+  # Now determine if it's built-in or not, by searching the library file.
+  find_library(EXECINFO_LIB_PATH "execinfo")
+
+  if(EXECINFO_LIB_PATH STREQUAL "EXECINFO_LIB_PATH-NOTFOUND")
+    # Built-in, no further action is needed
+    message(STATUS "Found execinfo")
+  else(EXECINFO_LIB_PATH STREQUAL "EXECINFO_LIB_PATH-NOTFOUND")
+    # It's an external library, link it.
+    link_libraries(${EXECINFO_LIB_PATH})
+    message(STATUS "Found execinfo: ${EXECINFO_LIB_PATH}")
+  endif(EXECINFO_LIB_PATH STREQUAL "EXECINFO_LIB_PATH-NOTFOUND")
+
+  set(HAVE_EXECINFO true)
+
+endif(NOT EXECINFO_H_DIR STREQUAL "EXECINFO_H_DIR-NOTFOUND")
+
+if(HAVE_EXECINFO)
+  add_definitions(-DHAVE_EXECINFO)
+endif(HAVE_EXECINFO)
+
 
 # Select a Qt installation here, if you don't want to use system Qt
 if(QT)
@@ -88,16 +122,29 @@ endif(QT)
 # Now that we have the correct $PATH, lets find Qt!
 find_package(Qt4 REQUIRED)
 
-if(QT_QTDBUS_FOUND)
-  add_definitions(-DHAVE_DBUS)
-  set(LINK_DBUS DBUS)
-  set(HAVE_DBUS true)
-endif(QT_QTDBUS_FOUND)
-
 set(QT_DONT_USE_QTGUI 1)
 include(${QT_USE_FILE})
 include_directories(${QT_INCLUDES})
 
+# Set up OpenSSL
+if(WITH_OPENSSL)
+  find_package(OpenSSL)
+endif(WITH_OPENSSL)
+if(OPENSSL_FOUND)
+  if(NOT QT_DEFINITIONS MATCHES "QT_NO_OPENSSL")
+    add_definitions(-DHAVE_SSL)
+    set(HAVE_SSL true)
+  endif(NOT QT_DEFINITIONS MATCHES "QT_NO_OPENSSL")
+else(OPENSSL_FOUND)
+  add_definitions(-DQT_NO_OPENSSL)
+endif(OPENSSL_FOUND)
+
+if(WITH_DBUS AND QT_QTDBUS_FOUND)
+  add_definitions(-DHAVE_DBUS)
+  set(LINK_DBUS DBUS)
+  set(HAVE_DBUS true)
+endif(WITH_DBUS AND QT_QTDBUS_FOUND)
+
 # 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)
@@ -141,16 +188,16 @@ qt4_add_resources(RC_SQL src/core/sql.qrc)
 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)
+  if(HAVE_SSL)
     set(QUASSEL_SSL_LIBRARIES ssl crypto)  # these miss in static builds
-  endif(OPENSSL_FOUND)
+  endif(HAVE_SSL)
 endif(STATIC AND CMAKE_COMPILER_IS_GNUCXX)
 
 if(STATIC AND WIN32)
   link_libraries(imm32 winmm)  # missing by default :/
-   if(OPENSSL_FOUND)
+   if(HAVE_SSL)
      link_libraries(${OPENSSL_LIBRARIES} libeay32MD)
-   endif(OPENSSL_FOUND)
+   endif(HAVE_SSL)
 endif(STATIC AND WIN32)
 
 if(WIN32)