e80264fdbe
This option doesn't exist any more in 2.9. See #12244. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65070 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
221 lines
9.8 KiB
Plaintext
221 lines
9.8 KiB
Plaintext
How to add new files and libraries to wxWidgets build system
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============================================================
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1. Regenerating makefiles
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-------------------------
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wxWidgets now uses Bakefile (http://bakefile.sourceforge.net) to generate
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native makefiles. You must have bakefile installed if you want to regenerate
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the makefiles. Bakefile currently runs on Unix and Windows systems. You will
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need Python >= 2.2 installed on Unix and either use Bakefile installer or have
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Python on Windows.
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Once you have installed Bakefile, you can easily regenerate the makefiles using
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the bakefile_gen tool. Run it from $(wx)/build/bakefiles directory and it will
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regenerate all outdated makefiles. See $(wx)/build/bakefiles/README for more
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details.
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Note that it generates makefiles for samples, too.
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IMPORTANT NOTE: Don't forget to run autoconf in wxWidgets root directory
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(after running Bakefile) if you changed any conditional
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variable or target condition in .bkl files! You will know that
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this happened if $(wx)/autoconf_inc.m4 content changed.
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You can use Bakefile to generate makefiles or projects customized to your
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needs, too. See Bakefiles.bkgen for details on bakefile commands used to
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generate makefiles. For example, you can use this command to generate
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VC++ project files without wxUniversal configurations:
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bakefile -v -fmsvc6prj -o../wxmy.dsw -DRUNTIME_LIBS=dynamic
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-DDEBUG_INFO=default -DDEBUG_FLAG=default
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-DOFFICIAL_BUILD=0 -DUSE_HTML=1 -DUSE_OPENGL=1
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-DMONOLITHIC=0 -DUSE_GUI=1 -DWXUNIV=0 wx.bkl
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Or monolithic instead of multilib (the default):
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bakefile -v -fmsvc6prj -o../wxmono.dsw -DRUNTIME_LIBS=dynamic
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-DDEBUG_INFO=default -DDEBUG_FLAG=default
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-DOFFICIAL_BUILD=0 -DUSE_HTML=1 -DUSE_OPENGL=1
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-DMONOLITHIC=1 -DUSE_GUI=1 wx.bkl
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Or monolithic wxBase:
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bakefile -v -fmsvc6prj -o../wxBase.dsw -DRUNTIME_LIBS=dynamic
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-DDEBUG_INFO=default -DDEBUG_FLAG=default
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-DOFFICIAL_BUILD=0 -DUSE_HTML=0 -DUSE_OPENGL=0
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-DMONOLITHIC=1 -DUSE_GUI=0 wx.bkl
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It is, however, recommended to modify Bakefiles.bkgen (or
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Bakefiles.local.bkgen) by means of <add-flags> and <del-flags> directives
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and use bakefile_gen instead of running bakefile directly.
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2. Bakefile files organization
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------------------------------
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Makefile are generated from .bkl files ("bakefiles") from two places:
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- $(wx)/build/bakefiles directory
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- samples directories
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$(wx)/build/bakefiles contains bakefiles for main library and support files
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that simplify writing bakefiles for samples.
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Support files are:
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wxwin.py - helper functions
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common.bkl
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common_samples.bkl
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config.bkl - user-configurable build options
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make_dist.mk - implementation of "make dist" on Unix
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Files used to build the library are:
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wx.bkl - main file
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files.bkl - lists of source files
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monolithic.bkl - targets for wxWin built as single big library
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multilib.bkl - targets for multilib build
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opengl.bkl - GL library with wxGLCanvas (this one is not
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included in monolithic library for historical
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reasons, so "monolithic" really means "two libs")
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{expat,jpeg,png,tiff,
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regex,zlib,odbc}.bkl - 3rd party libraries makefiles
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3. Adding files to existing library
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-----------------------------------
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All files used by main libraries are listed in files.bkl. The file is
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organized into variables for toolkits, platforms and libraries. The variables
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come in pairs: there's always FOO_SRC for source files and FOO_HDR for header
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files. Platform or toolkit specific files are grouped together in variable
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with platform or toolkit name in them, e.g. BASE_WIN32_SRC, BASE_UNIX_SRC,
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GTK_SRC, MOTIF_SRC.
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Note: A side effect of this toolkit-centric organization is that one file may
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be present several times in files.bkl in different contexts.
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When you are adding a file, you must put it into appropriate variable. This is
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easy if you are adding the file to library that is always built from same
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sources on all platforms (e.g. wxXml or wxXML) -- simply add the file to e.g.
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HTML_SRC or HTML_HDR.
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If the file is used only on one platform and is part of wxBase, add it to
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BASE_{platform}_SRC/HDR. If it is used on all platforms, add it to BASE_CMN.
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If it is built on more than one platform but not on all of them, add the file
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to *all platforms that use it*!
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If a file is not wxBase file, but GUI file, then the variables are named after
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toolkits/ports, not platforms. Same rules as for wxBase files apply
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(substitute "platform" with "toolkit"). Make sure you correctly choose between
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{port}_LOWLEVEL_SRC and {port}_SRC -- the former is for files used by
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wxUniversal, e.g. GDI classes. Files shared by all X Window System ports
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should be put into XWIN_LOWLEVEL_SRC.
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4. Adding sample
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----------------
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Copy the bakefile from another sample, change the ID and files accordingly.
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If the sample uses some data files, make sure to have <wx-data> node
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in the sample's bakefile (see e.g. samples/image/image.bkl for an example).
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Make sure to add <wx-lib> statements for all libraries from multilib build
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that are required by the sample.
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The Windows resource specification should use the central .rc file:
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<win32-res>../sample.rc</win32-res>
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Run bakefile_gen in $(wx)/build/bakefiles to regenerate the bakefiles.
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Finally commit $(wx)/build/bakefiles/make_dist.mk and all the other modified files.
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Currently we commit the generated makefiles except .dms, .vcp.
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5. Adding new core library
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--------------------------
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When adding new library to the core set of libraries, the files must be
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added to both a newly added library in multilib build and into the single
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library built in monolithic mode. We will assume that the new library is
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called wxFoo.
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a) Add files to files.bkl:
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* If wxFoo builds from same files on all platforms (e.g. wxNet),
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add FOO_SRC and FOO_HDR variables with lists of sources and headers.
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* If wxFoo have no files in common (e.g. wxGL), add FOO_SRC and FOO_HDR
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with toolkit or platform conditions. Have a look at OPENGL_SRC for an
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example.
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* Otherwise add FOO_CMN_SRC and FOO_CMN_HDR for common files and
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FOO_{platform}_{SRC,HDR} or FOO_{toolkit}_{SRC,HDR} as appropriate. Add
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FOO_PLATFORM_{SRC,HDR} into "Define sources for specific libraries"
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section that is conditionally set to one of FOO_xxx_{SRC,HDR} based on
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target platform/toolkit (see NET_PLATFORM_SRC definition for an example).
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Finally, define FOO_SRC and FOO_HDR to contain both
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FOO_PLATFORM_{SRC,HDR} and FOO_{SRC,HDR} (see NET_SRC definition for an
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example).
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* Add FOO_HDR to ALL_GUI_HEADERS or ALL_BASE_HEADERS.
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* If wxFoo is wxBase library (doesn't use GUI), add FOO_SRC to
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ALL_BASE_SOURCES.
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(You can apply different approaches to HDR and SRC variables, if e.g.
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headers are all common but sources are not.)
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Note that the conditions can only test for equality, due to limitations of
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native make tools.
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b) Modify bakefile system in build/bakefiles/ to recognize wxFoo:
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* Add 'foo' to MAIN_LIBS and LIBS_NOGUI or LIBS_GUI (depending on whether
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the library depends on wxCore or not) to wxwin.py file.
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* Add extra libraries needed by wxFoo (if any) to EXTRALIBS in wxwin.py
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* Add WXLIB_FOO definition to common.bkl (into the "Names of component
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libraries" section). It looks like this:
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<set var="WXLIB_FOO">
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<if cond="MONOLITHIC=='0'">$(mk.evalExpr(wxwin.mkLibName('foo')))</if>
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</set>
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c) Modify monolithic.bkl to add files to monolithic build: it's enough to add
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FOO_SRC to MONOLIB_GUI_SRC or MONOLIB_SRC, depending on whether wxFoo uses
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GUI or not.
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d) Modify multilib.bkl to add files to multilib build: add foolib and foodll
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targets. Don't use wxBase targets as the template, use e.g. wxXML or wxHTML.
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Make sure WXMAKINGDLL_FOO is defined in foodll.
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e) Regenerate all makefiles (don't forget to run autoconf)
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f) Update configure.in and wx-config.in to contain information about
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the library and needed linker flags:
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* Add "foo" to either STD_BASE_LIBS or STD_GUI_LIBS in configure.in.
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* If wxFoo links against additional libraries, add necessary linker
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flags and libraries to ldflags_foo and ldlibs_foo variables in
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wx-config.in (both are optional).
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g) Update dlimpexp.h to define WXMAKINGDLL_FOO if WXMAKINGDLL is defined (add
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#define WXMAKINGDLL_FOO inside first "#ifdef WXMAKINGDLL" block in
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dlimpexp.h) and to define WXDLLIMPEXP_FOO and WXDLLIMPEXP_DATA_FOO. You
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can copy e.g. WXDLLIMPEXP_NET definition, it is something like this:
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#ifdef WXMAKINGDLL_NET
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#define WXDLLIMPEXP_NET WXEXPORT
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#define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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#define WXDLLIMPEXP_NET WXIMPORT
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#define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
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#else // not making nor using DLL
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#define WXDLLIMPEXP_NET
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#define WXDLLIMPEXP_DATA_NET(type) type
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#endif
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Don't forget to add WXDLLIMPEXP_FWD_FOO definitions too.
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Use WXDLLIMPEXP_FOO when declaring wxFoo classes and functions.
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h) Add this code to one of wxFoo's files (the more often used, the better):
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// DLL options compatibility check:
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#include "wx/app.h"
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WX_CHECK_BUILD_OPTIONS("wxFoo")
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i) Add information about wxFoo to the manual ("Libraries list" section
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in libs.tex) and update docs/latex/wx/libs.dia (you need Dia for this)
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to show the dependencies of the new library.
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j) Also please add 4 #pragma comment(lib, "foo") (for Unicode/ANSI
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Release/Debug combinations) to the file include/msvc/wx/setup.h and
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add a check for WXMAKINGDLL_FOO to the test whether we're building a DLL at
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the end of include/wx/msw/chkconf.h.
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=== EOF ===
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Version: $Id$
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