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    2                              Windows port
    3                              ============
    5 This directory contains the files required to build this software on the
    6 native Windows platform. This is not a place to look for help if you are
    7 using a POSIX emulator, such as Cygwin. Check the Unix instructions for 
    8 that.
   13 ========
   15 1. General
   16    1.1 Building From the Command-Line
   17    1.2 Configuring The Source
   18    1.3 Compiling
   19    1.4 Installing
   21 2. Compiler Specifics
   22    2.1 Microsoft Visual C/C++
   23    2.1 GNU C/C++, Mingw Edition
   24    2.2 Borland C++ Builder
   25        2.2.1 Building with iconv support
   26 	   2.2.2 Compatability problems with MSVC (and probably CYGWIN)
   27 	   2.2.3 Other caveats
   32 1. General
   33 ==========
   36 1.1 Building From The Command-Line
   37 ----------------------------------
   39 This is the easiest, preferred and currently supported method. It can
   40 be that a subdirectory of the directory where this file resides 
   41 contains project files for some IDE. If you want to use that, please
   42 refer to the readme file within that subdirectory.
   44 In order to build from the command-line you need to make sure that
   45 your compiler works from the command line. This is not always the
   46 case, often the required environment variables are missing. If you are
   47 not sure, test if this works first. If it doesn't, you will first have
   48 to configure your compiler suite to run from the command-line - please
   49 refer to your compiler's documentation regarding that.
   51 The first thing you want to do is configure the source. You can have
   52 the configuration script do this automatically for you. The
   53 configuration script is written in JScript, a Microsoft's
   54 implementation of the ECMA scripting language. Almost every Windows
   55 machine can execute this through the Windows Scripting Host. If your
   56 system lacks the ability to execute JScript for some reason, you must
   57 perform the configuration manually and you are on your own with that.
   59 The second step is compiling the source and, optionally, installing it
   60 to the location of your choosing.
   63 1.2 Configuring The Source
   64 --------------------------
   66 The configuration script accepts numerous options. Some of these
   67 affect features which will be available in the compiled software,
   68 others affect the way the software is built and installed. To see a
   69 full list of options supported by the configuration script, run
   71   cscript configure.js help
   73 from the win32 subdirectory. The configuration script will present you
   74 the options it accepts and give a biref explanation of these. In every
   75 case you will have two sets of options. The first set is specific to
   76 the software you are building and the second one is specific to the
   77 Windows port.
   79 Once you have decided which options suit you, run the script with that
   80 options. Here is an example:
   82   cscript configure.js compiler=msvc prefix=c:\opt 
   83     include=c:\opt\include lib=c:\opt\lib debug=yes
   85 The previous example will configure the process to use the Microsoft's
   86 compiler, install the library in c:\opt, use c:\opt\include and 
   87 c:\opt\lib as additional search paths for the compiler and the linker 
   88 and build executables with debug symbols.
   90 Note: Please do not use path names which contain spaces. This will
   91 fail. Allowing this would require me to put almost everything in the
   92 Makefile in quotas and that looks quite ugly with my
   93 syntax-highlighting engine. If you absolutely must use spaces in paths
   94 send me an email and tell me why. If there are enough of you out there
   95 who need this, or if a single one has a very good reason, I will
   96 modify the Makefile to allow spaces in paths.
   99 1.3 Compiling
  100 -------------
  102 After the configuration stage has been completed, you want to build
  103 the software. You will have to use the make tool which comes with
  104 your compiler. If you, for example, configured the source to build
  105 with Microsoft's MSVC compiler, you would use the NMAKE utility. If
  106 you configured it to build with GNU C compiler, mingw edition, you
  107 would use the GNU make. Assuming you use MSVC, type
  109   nmake /f Makefile.msvc
  111 and if you use MinGW, you would type
  113   make -f Makefile.mingw
  115 and if you use Borland's compiler, you would type
  117   bmake -f Makefile.bcb
  119 in the win32 subdirectory. When the building completes, you will find
  120 the executable files in win32\bin.* directory, where * stands for the
  121 name of the compiler you have used.
  124 1.4 Installing
  125 --------------
  127 You can install the software into the directory you specified to the
  128 configure script during the configure stage by typing (with MSVC in
  129 this example)
  131   nmake /f Makefile.msvc install
  133 That would be it, enjoy.
  139 2. Compiler Specifics
  140 =====================
  143 2.1 Microsoft Visual C/C++
  144 --------------------------
  146 If you use the compiler which comes with Visual Studio .NET, note that
  147 it will link to its own C-runtime named msvcr70.dll or msvcr71.dll. This 
  148 file is not available on any machine which doesn't have Visual Studio 
  149 .NET installed.
  152 2.2 GNU C/C++, Mingw edition
  153 ----------------------------
  155 When specifying paths to configure.js, please use slashes instead of 
  156 backslashes for directory separation. Sometimes Mingw needs this. If
  157 this is the case, and you specify backslashes, then the compiler will 
  158 complain about not finding necessary header files.
  161 2.2 Borland C++ Builder
  162 -----------------------
  164 To compile libxml2 with the BCB6 compiler and associated tools, just follow
  165 the basic instructions found in this file file. Be sure to specify 
  166 the "compiler=bcb" option when running the configure script. To compile the
  167 library and test programs, just type
  169   make -fMakefile.bcb
  171 That should be all that's required. But there are a few other things to note:
  173 2.2.1 Building with iconv support
  175 If you configure libxml2 to include iconv support, you will obviously need to
  176 obtain the iconv library and include files. To get them, just follow the links 
  177 at http://www.gnu.org/software/libiconv/ - there are pre-compiled Win32 
  178 versions available, but note that these where built with MSVC. Hence the 
  179 supplied import library is in COFF format rather than OMF format. You can 
  180 convert this library by using Borland's COFF2OMF utility, or use IMPLIB to 
  181 build a new import library from the DLL. Alternatively, it is possible to
  182 obtain the iconv source, and build the DLL using the Borland compiler.
  184 There is a minor problem with the header files for iconv - they expect a
  185 macro named "EILSEQ" in errno.h, but this is not defined in the Borland
  186 headers, and its absence can cause problems. To circumvent this problem, I
  187 define EILSEQ=2 in Makefile.bcb. The value "2" is the value for ENOFILE (file
  188 not found). This should not have any disastrous side effects beyond possibly
  189 displaying a misleading error message in certain situations.
  191 2.2.2 Compatability problems with MSVC (and probably CYGWIN)
  193 A libxml2 DLL generated by BCB is callable from MSVC programs, but there is a
  194 minor problem with the names of the symbols exported from the library. The
  195 Borland compiler, by default, prepends an underscore character to global 
  196 identifiers (functions and global variables) when generating object files.
  197 Hence the function "xmlAddChild" is added to the DLL with the name
  198 "_xmlAddChild". The MSVC compiler does not have this behaviour, and looks for
  199 the unadorned name. I currently circumvent this problem by writing a .def file
  200 which causes BOTH the adorned and unadorned names to be exported from the DLL.
  201 This behaviour may not be supported in the future.
  203 An even worse problem is that of generating an import library for the DLL. The
  204 Borland-generated DLL is in OMF format. MSVC expects libraries in COFF format,
  205 but they don't provide a "OMF2COFF" utility, or even the equivalent of
  206 Borland's IMPLIB utility. But it is possible to create an import lib from the
  207 .def file, using the command:
  208   LIB /DEF:libxml2.def
  210 If you don't have the .def file, it's possible to create one manually. Use
  211 DUMPBIN /EXPORTS /OUT:libxml2.tmp libxml2.dll to get a list of the exported
  212 names, and edit this into .def file format.
  214 A similar problem is likely with Cygwin.
  216 2.2.3 Other caveats
  218 We have tested this only with BCB6, Professional Edition, and BCB 5.5 free
  219 command-line tools.
  223 Authors: Igor Zlatkovic <igor@zlatkovic.com>
  224          Eric Zurcher <Eric.Zurcher@csiro.au>