Added an option to the cmake lists file to enable or disable

the stack trace stuff.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402426

dlib/CMakeLists.txt

@@ -38,9 +38,12 @@ set (DLIB_ISO_CPP_ONLY_STR
 "Enable this if you don't want to compile any non-ISO C++ code (i.e. you don't use any of the API Wrappers)" )
 set (DLIB_NO_GUI_SUPPORT_STR 
 "Enable this if you don't want to compile any of the dlib GUI code" )
+set (DLIB_ENABLE_STACK_TRACE 
+"Enable this if you want to turn on the DLIB_STACK_TRACE macros" )
 
 OPTION(DLIB_ISO_CPP_ONLY ${DLIB_ISO_CPP_ONLY_STR} OFF)
 OPTION(DLIB_NO_GUI_SUPPORT ${DLIB_NO_GUI_SUPPORT_STR} OFF)
+OPTION(DLIB_ENABLE_STACK_TRACE ${DLIB_NO_GUI_SUPPORT_STR} OFF)
 
 
 add_library(dlib all/source.cpp )
@@ -150,3 +153,9 @@ if (DLIB_NO_GUI_SUPPORT)
 else()
    remove_global_define(DLIB_NO_GUI_SUPPORT)
 endif()
+
+if (DLIB_ENABLE_STACK_TRACE)
+   add_global_define(DLIB_ENABLE_STACK_TRACE)
+else()
+   remove_global_define(DLIB_ENABLE_STACK_TRACE)
+endif()