--- quassel/CMakeLists.txt	2008-08-26 18:18:17.000000000 +0000
+++ quassel.work/CMakeLists.txt	2008-08-27 03:43:02.000000000 +0000
@@ -79,6 +79,42 @@
   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)
   # FindQt4 will look for the qmake binary in $PATH, so we just prepend the Qt dir