88 lines
4.2 KiB
Text
88 lines
4.2 KiB
Text
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Using a Borland compiler product
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The files in this directory support using both the free Borland command-line
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compiler tools and the Borland C++ Builder IDE. The project files have been
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tested with both versions 5 and 6 of the C++ Builder product.
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Using the free BCC32 command line compiler
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After downloading and installing the free C++ Builder commandline version,
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perform the following steps (assuming it was installed under C:\Borland\BCC55):
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1) Add "C:\Borland\BCC55\BIN" to your path
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2) Set the environment variable BCB to "C:\Borland\BCC55".
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3) edit makefile.mak: enable or comment out the appropriate commands under
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clean & distclean, depending on whether your OS can use deltree /y or
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del /s/f/q.
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After that, you should simply cd to the bcb5 directory in your Expat directory
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tree (same structure as CVS) and run "make all" or just "make".
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Naming
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The libraries have the base name "libexpat" followed optionally by an "s"
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(static) or a "w" (unicode version), then an underscore and optionally
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"mt" (multi-threaded) and "d" (dynamic RTL).
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To change the name of the library a project file produces, edit the project
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option source (see step 1 under Unicode below) and change the name contained in
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the PROJECT tag. In a make file, change the value assigned to the PROJECT
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variable. Also, the LIBRARY entry in the .def file has to be changed to
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correspond to the new executable name.
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Unicode Considerations
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There are no facilities in the BCB 5 GUI to create a unicode-enabled
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application. Fortunately, it is not hard to do by hand.
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1. The startup .obj system file must be changed to the unicode version.
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Go to Project|Edit Option Source, and scroll down to the ALLOBJ tag. Change
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c0x32.obj to c0x32w.obj. Editing this file can be quirky, but usually the
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following kludge will make the change stick. Close and save the file
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(CTRL-F4) then open the options dialog (CTRL-Shift-F11), then click OK on
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the dialog immediately without changing anything in it. If this doesn't work,
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you will have to close the project completely and edit the .bpr file by hand.
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If you are using a make file, just change the startup .obj file assigned
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to the ALLOBJ variable.
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2. Add the macro define XML_UNICODE_WCHAR_T. In the GUI that goes in the options
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dialog, Directories/Conditionals tab, in the Conditional define box. In a
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make file, put it in the USERDEFINES variable.
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3. Of course, your code has to be written for unicode. As a start, the "main"
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function is called "wmain". The tchar macros are an interesting way to
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write code that can easily switch between unicode and utf-8. If these macros
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are used, then simply adding the conditional define _UNICODE as well as
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XML_UNICODE_WCHAR_T will bring in the unicode versions of the tchar macros.
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Otherwise the utf-8 versions are used. xmlwf uses its own versions of the
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tchar macros which are switched on and off by the XML_UNICODE macro, which
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itself is set by the XML_UNICODE_WCHAR_T define.
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Threading
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The libexpat libraries are all built to link with the multi-threaded dynamic RTL's.
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That means they require CC32xxMT.DLL present on the installation target.
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To create single-threaded libs, do the following:
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1. The compiler option for multi-threading must be turned off. Following the
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instructions above to edit the option source, remove the -tWM option from
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the CFLAG1 tag. In a make file, remove it from the CFLAG1 variable.
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2. The single threaded RTL must be called. change the RTL in the ALLLIB tag or
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variable (GUI or makefile repectively) to the version without the "mt" in the
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name. For example, change cw32mti.lib to cw32i.lib.
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Static RTL's
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To build the libs with static RTL's do the following,
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1. For the static expatlibs, in the Tlib tab on the options dialog, uncheck the
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"Use dynamic RTL" box. For the dynamic expatlibs, in the Linker tab on the
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options dialog, uncheck "Use dynamic RTL". If you are using a make file,
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remove the _RTLDLL assignment to the SYSDEFINES variable, and change the RTL
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to the version without an "i" in the ALLLIB variable. For example,
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cw32mti.lib would become cw32mt.lib.
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