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      1 /*
      2  * Copyright (c) 1999
      3  * Boris Fomitchev
      4  *
      5  * This material is provided "as is", with absolutely no warranty expressed
      6  * or implied. Any use is at your own risk.
      7  *
      8  * Permission to use or copy this software for any purpose is hereby granted
      9  * without fee, provided the above notices are retained on all copies.
     10  * Permission to modify the code and to distribute modified code is granted,
     11  * provided the above notices are retained, and a notice that the code was
     12  * modified is included with the above copyright notice.
     13  */
     14 
     15 /*
     16  * Purpose of this file :
     17  *
     18  * To hold user-definable portion of STLport settings which may be overridden
     19  * on per-project basis.
     20  * Please note that if you use STLport iostreams (compiled library) then you have
     21  * to use consistent settings when you compile STLport library and your project.
     22  * Those settings are defined in host.h and have to be the same for a given
     23  * STLport installation.
     24  */
     25 
     26 
     27 /*==========================================================
     28  * User-settable macros that control compilation:
     29  *              Features selection
     30  *==========================================================*/
     31 
     32 /*
     33  * Use this switch for embedded systems where no iostreams are available
     34  * at all. STLport own iostreams will also get disabled automatically then.
     35  * You can either use STLport iostreams, or no iostreams.
     36  * If you want iostreams, you have to compile library in ../build/lib
     37  * and supply resulting library at link time.
     38  */
     39 /*
     40 #define _STLP_NO_IOSTREAMS 1
     41 */
     42 
     43 /*
     44  * Set _STLP_DEBUG to turn the "Debug Mode" on.
     45  * That gets you checked iterators/ranges in the manner
     46  * of "Safe STL". Very useful for debugging. Thread-safe.
     47  * Please do not forget to link proper STLport library flavor
     48  * (e.g libstlportstlg.so or libstlportstlg.a) when you set this flag
     49  * in STLport iostreams mode, namespace customization guaranty that you
     50  * link to the right library.
     51  */
     52 /*
     53 #define _STLP_DEBUG 1
     54 */
     55 /*
     56  * You can also choose the debug level:
     57  * STLport debug level: Default value
     58  *                      Check only what the STLport implementation consider as invalid.
     59  *                      It also change the iterator invalidation schema.
     60  * Standard debug level: Check for all operations the standard consider as "undefined behavior"
     61  *                       even if STlport implement it correctly. It also invalidates iterators
     62  *                       more often.
     63  */
     64 /*
     65 #define   _STLP_DEBUG_LEVEL _STLP_STLPORT_DBG_LEVEL
     66 #define   _STLP_DEBUG_LEVEL _STLP_STANDARD_DBG_LEVEL
     67 */
     68 /* When an inconsistency is detected by the 'safe STL' the program will abort.
     69  * If you prefer an exception define the following macro. The thrown exception
     70  * will be the Standard runtime_error exception.
     71  */
     72 /*
     73 #define _STLP_DEBUG_MODE_THROWS
     74  */
     75 
     76 /*
     77  * _STLP_NO_CUSTOM_IO : define this if you do not instantiate basic_xxx iostream
     78  * classes with custom types (which is most likely the case). Custom means types
     79  * other than char, wchar_t, char_traits<> and allocator<> like
     80  * basic_ostream<my_char_type, my_traits<my_char_type> > or
     81  * basic_string<char, char_traits<char>, my_allocator >
     82  * When this option is on, most non-inline template functions definitions for iostreams
     83  * are not seen by the client which saves a lot of compile time for most compilers,
     84  * also object and executable size for some.
     85  * Default is off, just not to break compilation for those who do use those types.
     86  * That also guarantees that you still use optimized standard i/o when you compile
     87  * your program without optimization. Option does not affect STLport library build; you
     88  * may use the same binary library with and without this option, on per-project basis.
     89  */
     90 /*
     91 #define _STLP_NO_CUSTOM_IO
     92 */
     93 
     94 /*
     95  * _STLP_NO_RELOPS_NAMESPACE: if defined, don't put the relational
     96  * operator templates (>, <=, >=, !=) in namespace std::rel_ops, even
     97  * if the compiler supports namespaces.
     98  * Note : if the compiler do not support namespaces, those operators are not be provided by default,
     99  * to simulate hiding them into rel_ops. This was proved to resolve many compiler bugs with ambiguity.
    100  */
    101 /*
    102 #define _STLP_NO_RELOPS_NAMESPACE 1
    103 */
    104 
    105 /*
    106  * If STLport use its own namespace, see _STLP_NO_OWN_NAMESPACE in host.h, it will try
    107  * by default to rename std:: for the user to stlport::. If you do not want this feature,
    108  * please define the following switch and then use stlport::
    109  */
    110 /*
    111 #define _STLP_DONT_REDEFINE_STD 1
    112 */
    113 
    114 /*
    115  * _STLP_WHOLE_NATIVE_STD : only meaningful if STLport uses its own namespace.
    116  * Normally, STLport only imports necessary components from native std:: namespace.
    117  * You might want everything from std:: being available in std:: namespace when you
    118  * include corresponding STLport header (like STLport <map> provides std::map as well, etc.),
    119  * if you are going to use both stlport:: and std:: components in your code.
    120  * Otherwise this option is not recommended as it increases the size of your object files
    121  * and slows down compilation.
    122  * Beware, if you do not use STLport iostream (_STLP_NO_IOSTREAMS above), ask STLport to
    123  * not rename std:: in stlport:: and try to have access to whole native Standard stuff then
    124  * STLport will only throw exceptions from the std namespace and not from stlport.
    125  * For instance a problem in stlport::vector::at will throw a std::out_of_range exception
    126  * and not a stlport::out_of_range.
    127  * Notice that STLport exceptions inherits from std::exception.
    128  */
    129 /*
    130 #define _STLP_WHOLE_NATIVE_STD
    131 */
    132 
    133 /*
    134  * Use this option to catch uninitialized members in your classes.
    135  * When it is set, construct() and destroy() fill the class storage
    136  * with _STLP_SHRED_BYTE (see below).
    137  * Note : _STLP_DEBUG and _STLP_DEBUG_ALLOC don't set this option automatically.
    138  */
    139 /*
    140 #define _STLP_DEBUG_UNINITIALIZED 1
    141 #define _STLP_DEBUG_ALLOC 1
    142 */
    143 
    144 /*
    145  * Uncomment and provide a definition for the byte with which raw memory
    146  * will be filled if _STLP_DEBUG_ALLOC or _STLP_DEBUG_UNINITIALIZED is defined.
    147  * Choose a value which is likely to cause a noticeable problem if dereferenced
    148  * or otherwise abused. A good value may already be defined for your platform.
    149  */
    150 /*
    151 #define _STLP_SHRED_BYTE 0xA3
    152 */
    153 
    154 /*
    155  *  This option is for gcc users only and only affects systems where native linker
    156  *  does not let gcc to implement automatic instantiation of static template data members/
    157  *  It is being put in this file as there is no way to check if we are using GNU ld automatically,
    158  *  so it becomes user's responsibility.
    159  */
    160 /*
    161 #define _STLP_GCC_USES_GNU_LD
    162 */
    163 
    164 /*==========================================================
    165  * Compatibility section
    166  *==========================================================*/
    167 
    168 /*
    169  *  Define this macro to disable anachronistic constructs (like the ones used in HP STL and
    170  *  not included in final standard, etc.
    171  */
    172 /*
    173 #define _STLP_NO_ANACHRONISMS 1
    174 */
    175 
    176 /*
    177  *  Define this macro to disable STLport extensions (for example, to make sure your code will
    178  *  compile with some other implementation )
    179  */
    180 /*
    181 #define _STLP_NO_EXTENSIONS 1
    182 */
    183 
    184 /*
    185  * You should define this macro if compiling with MFC - STLport <stl/config/_windows.h>
    186  * then include <afx.h> instead of <windows.h> to get synchronisation primitives
    187  */
    188 /*
    189 #define _STLP_USE_MFC 1
    190 */
    191 
    192 /*
    193  * boris : this setting is here as we cannot detect precense of new Platform SDK automatically
    194  * If you are using new PSDK with VC++ 6.0 or lower,
    195  * please define this to get correct prototypes for InterlockedXXX functions
    196  */
    197 /*
    198 #define _STLP_NEW_PLATFORM_SDK 1
    199 */
    200 
    201 /*
    202  * For the same reason as the one above we are not able to detect easily use
    203  * of the compiler coming with the Platform SDK instead of the one coming with
    204  * a Microsoft Visual Studio release. This change native C/C++ library location
    205  * and implementation, please define this to get correct STLport configuration.
    206  */
    207 /*
    208 #define _STLP_USING_PLATFORM_SDK_COMPILER 1
    209 */
    210 
    211 /*
    212  * Some compilers support the automatic linking feature.
    213  * Uncomment the following if you prefer to specify the STLport library
    214  * to link with yourself.
    215  * For the moment, this feature is only supported and implemented within STLport
    216  * by the Microsoft compilers.
    217  */
    218 /*
    219 #define _STLP_DONT_USE_AUTO_LINK 1
    220 */
    221 
    222 /*
    223  * If you customize the STLport generated library names don't forget to give
    224  * the motif you used during configuration here if you still want the auto link
    225  * to work. (Do not remove double quotes in the macro value)
    226  */
    227 /*
    228 #define _STLP_LIB_NAME_MOTIF "???"
    229  */
    230 
    231 /*
    232  * Uncomment to get feedback at compilation time about result of build environment
    233  * introspection.
    234  */
    235 /*
    236 #define _STLP_VERBOSE 1
    237 */
    238 
    239 /*
    240  * Use minimum set of default arguments on template classes that have more
    241  * than one - for example map<>, set<>.
    242  * This has effect only if _STLP_LIMITED_DEFAULT_TEMPLATES is on.
    243  * If _STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS is set, you'll be able to compile
    244  * set<T> with those compilers, but you'll have to use __set__<T, less<T>>
    245  *
    246  * Affects : map<>, multimap<>, set<>, multiset<>, hash_*<>,
    247  * queue<>, priority_queue<>, stack<>, istream_iterator<>
    248  */
    249 /*
    250 #define _STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS 1
    251 */
    252 
    253 /*
    254  * The agregation of strings using the + operator is an expensive operation
    255  * as it requires construction of temporary objects that need memory allocation
    256  * and deallocation. The problem can be even more important if you are adding
    257  * several strings together in a single expression. To avoid this problem STLport
    258  * implement expression template. With this technique addition of 2 strings is not
    259  * a string anymore but a temporary object having a reference to each of the
    260  * original strings involved in the expression. This object carry information
    261  * directly to the destination string to set its size correctly and only make
    262  * a single call to the allocator. This technique also works for the addition of
    263  * N elements where elements are basic_string, C string or a single character.
    264  * The drawback can be longer compilation time and bigger executable size.
    265  * Another problem is that some compilers (gcc) fail to use string proxy object
    266  * if do with class derived from string (see unit tests for details).
    267  * STLport rebuild: Yes
    268  */
    269 /*
    270 #define _STLP_USE_TEMPLATE_EXPRESSION 1
    271 */
    272 
    273 
    274 /*
    275  * By default the STLport basic_string implementation use a little static buffer
    276  * (of 16 chars when writing this doc) to avoid systematically memory allocation
    277  * in case of little basic_string. The drawback of such a method is bigger
    278  * basic_string size and some performance penalty for method like swap. If you
    279  * prefer systematical dynamic allocation turn on this macro.
    280  * STLport rebuild: Yes
    281  */
    282 /*
    283 #define _STLP_DONT_USE_SHORT_STRING_OPTIM 1
    284 */
    285 
    286 /*
    287  * To reduce the famous code bloat trouble due to the use of templates STLport grant
    288  * a specialization of some containers for pointer types. So all instanciations
    289  * of those containers with a pointer type will use the same implementation based on
    290  * a container of void*. This feature has shown very good result on object files size
    291  * but after link phase and optimization you will only experiment benefit if you use
    292  * many container with pointer types.
    293  * There are however a number of limitation to use this option:
    294  *   - with compilers not supporting partial template specialization feature, you won't
    295  *     be able to access some nested container types like iterator as long as the
    296  *     definition of the type used to instanciate the container will be incomplete
    297  *     (see IncompleteClass definition in test/unit/vector_test.cpp).
    298  *   - you won't be able to use complex Standard allocator implementations which are
    299  *     allocators having pointer nested type not being a real C pointer.
    300  */
    301 /*
    302 #define _STLP_USE_PTR_SPECIALIZATIONS 1
    303 */
    304 
    305 /*
    306  * To achieve many different optimizations within the template implementations STLport
    307  * uses some type traits technique. With this macro you can ask STLport to use the famous
    308  * boost type traits rather than the internal one. The advantages are more compiler
    309  * integration and a better support. If you only define this macro once the STLport has been
    310  * built you just have to add the boost install path within your include path. If you want
    311  * to use this feature at STLport built time you will have to define the
    312  * STLP_BUILD_BOOST_PATH enrironment variable with the value of the boost library path.
    313  */
    314 
    315 /*
    316 #define _STLP_USE_BOOST_SUPPORT 1
    317 */
    318 
    319 
    320 /*==========================================================*/
    321 
    322 /*
    323   Local Variables:
    324   mode: C++
    325   End:
    326 */
    327