X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b669780b33dc9af49b33d8b8ae1b399ad8c97ae5..c670c85582ca995105f14a6c62b54c580582f624:/docs/latex/wx/cppconst.tex

diff --git a/docs/latex/wx/cppconst.tex b/docs/latex/wx/cppconst.tex
index d6c9c3698c..c573457828 100644
--- a/docs/latex/wx/cppconst.tex
+++ b/docs/latex/wx/cppconst.tex
@@ -1,4 +1,15 @@
-\section{Preprocesser symbols defined by wxWidgets}\label{cppconst}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Name:        cppconst.tex
+%% Purpose:     Peprocessor symbols
+%% Author:
+%% Modified by:
+%% Created:
+%% RCS-ID:      $Id$
+%% Copyright:   (c) wxWidgets
+%% License:     wxWindows license
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Preprocessor symbols defined by wxWidgets}\label{cppconst}
 
 These are preprocessor symbols used in the wxWidgets source, grouped
 by category (and sorted by alphabetical order inside each category). All of
@@ -12,7 +23,6 @@ always tested using \texttt{#ifdef} and not \texttt{#if}.
 \twocolitem{\_\_WINDOWS\_\_}{any Windows, yom may also use \_\_WXMSW\_\_}
 \twocolitem{\_\_WIN16\_\_}{Win16 API (not supported since wxWidgets 2.6)}
 \twocolitem{\_\_WIN32\_\_}{Win32 API}
-\twocolitem{\_\_WIN95\_\_}{Windows 95 or NT 4.0 and above system (not NT 3.5x)}
 \twocolitem{\_\_WXBASE\_\_}{Only wxBase, no GUI features (same as \texttt{wxUSE\_GUI} $== 0$)}
 \twocolitem{\_\_WXCOCOA\_\_}{OS X using Cocoa API}
 \twocolitem{\_\_WXWINCE\_\_}{Windows CE}
@@ -28,7 +38,6 @@ always tested using \texttt{#ifdef} and not \texttt{#if}.
 \twocolitem{\_\_WXMGL\_\_}{SciTech Soft MGL (\_\_WXUNIVERSAL\_\_ will be also
 defined)}
 \twocolitem{\_\_WXMSW\_\_}{Any Windows}
-\twocolitem{\_\_WXOS2\_\_}{Identical to \_\_WXPM\_\_}
 \twocolitem{\_\_WXOSX\_\_}{Any Mac OS X port (either Carbon or Cocoa)}
 \twocolitem{\_\_WXPALMOS\_\_}{PalmOS}
 \twocolitem{\_\_WXPM\_\_}{OS/2 native Presentation Manager}
@@ -52,7 +61,7 @@ summarize:
 \begin{itemize}
 \item If you want to test for all Mac platforms, classic and OS X, you
 should test both \texttt{\_\_WXMAC\_\_} and \texttt{\_\_WXCOCOA\_\_}.
-\item If you want to test for any GUI Mac port under OS X, use 
+\item If you want to test for any GUI Mac port under OS X, use
 \texttt{\_\_WXOSX\_\_}.
 \item If you want to test for any port under Mac OS X, including, for
 example, wxGTK and also wxBase, use \texttt{\_\_DARWIN\_\_} (see below).
@@ -125,9 +134,9 @@ compiler used.
 to the compiler version: $500$ is $5.0$.}
 \twocolitem{\_\_DJGPP\_\_}{DJGPP}
 \twocolitem{\_\_DIGITALMARS\_\_}{Digital Mars}
-\twocolitem{\_\_GNUG\_\_}{Gnu C++ on any platform, see also 
+\twocolitem{\_\_GNUG\_\_}{Gnu C++ on any platform, see also
 \helpref{wxCHECK\_GCC\_VERSION}{wxcheckgccversion}}
-\twocolitem{\_\_GNUWIN32\_\_}{Gnu-Win32 compiler, see also 
+\twocolitem{\_\_GNUWIN32\_\_}{Gnu-Win32 compiler, see also
 \helpref{wxCHECK\_W32API\_VERSION}{wxcheckw32apiversion}}
 \twocolitem{\_\_MINGW32\_\_}{MinGW}
 \twocolitem{\_\_MWERKS\_\_}{CodeWarrior MetroWerks compiler}
@@ -153,6 +162,13 @@ also \helpref{wxCHECK\_VERSION}{wxcheckversion}}
 \twocolitem{wxUSE\_XXX}{if defined as $1$, feature XXX is active
 (the symbols of this form are always defined, use \#if and not \#ifdef to test
  for them)}
+\twocolitem{WX\_PRECOMP}{is defined if precompiled headers (PCH) are in use. In
+this case, \texttt{wx/wxprec.h} includes \texttt{wx/wx.h} which, in turn,
+includes a number of wxWidgets headers thus making it unnecessary to include
+them explicitly. However if this is not defined, you do need to include them
+and so the usual idiom which allows to support both cases is to first include
+\texttt{wx/wxprec.h} and then, inside \texttt{#ifndef WX\_PRECOMP}, individual
+headers you need.}
 \twocolitem{\_UNICODE and UNICODE}{both are defined if wxUSE\_UNICODE is set to $1$}
 \twocolitem{wxUSE\_GUI}{this particular feature test macro is defined to $1$
 when compiling or using the library with the GUI features activated, if it is
@@ -168,4 +184,3 @@ don't include compiler flags needed for multithreaded code generation. This
 implies that wxUSE\_THREADS is $0$ and also that other (non wx-based) threading
 packages cannot be used neither.}
 \end{twocollist}
-
