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revision 306 by ph10, Sun Jan 20 20:17:10 2008 UTC revision 359 by ph10, Wed Jul 9 16:20:19 2008 UTC
# Line 8  This document contains the following sec Line 8  This document contains the following sec
8    The C++ wrapper functions    The C++ wrapper functions
9    Building for virtual Pascal    Building for virtual Pascal
10    Stack size in Windows environments    Stack size in Windows environments
11      Linking programs in Windows environments
12    Comments about Win32 builds    Comments about Win32 builds
13    Building PCRE with CMake    Building PCRE on Windows with CMake
14    Use of relative paths with CMake on Windows    Use of relative paths with CMake on Windows
15    Testing with runtest.bat    Testing with runtest.bat
16    Building under Windows with BCC5.5    Building under Windows with BCC5.5
# Line 33  library consists entirely of code writte Line 34  library consists entirely of code writte
34  successfully on any system that has a Standard C compiler and library. The C++  successfully on any system that has a Standard C compiler and library. The C++
35  wrapper functions are a separate issue (see below).  wrapper functions are a separate issue (see below).
36    
37  The PCRE distribution includes support for CMake. This support is relatively  The PCRE distribution includes a "configure" file for use by the Configure/Make
38  new, but has already been used successfully to build PCRE in multiple build  build system, as found in many Unix-like environments. There is also support
39  environments on Windows. There are some instructions in the section entitled  support for CMake, which some users prefer, in particular in Windows
40  "Building PCRE with CMake" below.  environments. There are some instructions for CMake under Windows in the
41    section entitled "Building PCRE with CMake" below. CMake can also be used to
42    build PCRE in Unix-like systems.
43    
44    
45  GENERIC INSTRUCTIONS FOR THE PCRE C LIBRARY  GENERIC INSTRUCTIONS FOR THE PCRE C LIBRARY
# Line 179  significantly slower when this is done. Line 182  significantly slower when this is done.
182  "pcrestack" documentation.  "pcrestack" documentation.
183    
184    
185    LINKING PROGRAMS IN WINDOWS ENVIRONMENTS
186    
187    If you want to statically link a program against a PCRE library in the form of
188    a non-dll .a file, you must define PCRE_STATIC before including pcre.h,
189    otherwise the pcre_malloc() and pcre_free() exported functions will be declared
190    __declspec(dllimport), with unwanted results.
191    
192    
193    CALLING CONVENTIONS IN WINDOWS ENVIRONMENTS
194    
195    It is possible to compile programs to use different calling conventions using
196    MSVC. Search the web for "calling conventions" for more information. To make it
197    easier to change the calling convention for the exported functions in the
198    PCRE library, the macro PCRE_CALL_CONVENTION is present in all the external
199    definitions. It can be set externally when compiling (e.g. in CFLAGS). If it is
200    not set, it defaults to empty; the default calling convention is then used
201    (which is what is wanted most of the time).
202    
203    
204  COMMENTS ABOUT WIN32 BUILDS (see also "BUILDING PCRE WITH CMAKE" below)  COMMENTS ABOUT WIN32 BUILDS (see also "BUILDING PCRE WITH CMAKE" below)
205    
206  There are two ways of building PCRE using the "configure, make, make install"  There are two ways of building PCRE using the "configure, make, make install"
207  paradigm on Windows systems: using MinGW or using Cygwin. These are not at all  paradigm on Windows systems: using MinGW or using Cygwin. These are not at all
208  the same thing; they are completely different from each other. There is also  the same thing; they are completely different from each other. There is also
209  some experimental, undocumented support for building using "cmake", which you  support for building using CMake, which some users find a more straightforward
210  might like to try if you are familiar with "cmake". However, at the present  way of building PCRE under Windows. However, the tests are not run
211  time, the "cmake" process builds only a static library (not a dll), and the  automatically when CMake is used.
 tests are not automatically run.  
212    
213  The MinGW home page (http://www.mingw.org/) says this:  The MinGW home page (http://www.mingw.org/) says this:
214    
# Line 219  also link with libpcre, which contains t Line 240  also link with libpcre, which contains t
240  releases of PCRE included the basic libpcre functions in libpcreposix. This no  releases of PCRE included the basic libpcre functions in libpcreposix. This no
241  longer happens.)  longer happens.)
242    
243  If you want to statically link your program against a non-dll .a file, you must  A user submitted a special-purpose patch that makes it easy to create
244  define PCRE_STATIC before including pcre.h, otherwise the pcre_malloc() and  "pcre.dll" under mingw32 using the "msys" environment. It provides "pcre.dll"
245  pcre_free() exported functions will be declared __declspec(dllimport), with  as a special target. If you use this target, no other files are built, and in
246  unwanted results.  particular, the pcretest and pcregrep programs are not built. An example of how
247    this might be used is:
248    
249      ./configure --enable-utf --disable-cpp CFLAGS="-03 -s"; make pcre.dll
250    
251  Using Cygwin's compiler generates libraries and executables that depend on  Using Cygwin's compiler generates libraries and executables that depend on
252  cygwin1.dll. If a library that is generated this way is distributed,  cygwin1.dll. If a library that is generated this way is distributed,
# Line 254  terminators in order to get some of the Line 278  terminators in order to get some of the
278  things in this area in future.  things in this area in future.
279    
280    
281  BUILDING PCRE WITH CMAKE  BUILDING PCRE ON WINDOWS WITH CMAKE
282    
283  CMake is an alternative build facility that can be used instead of the  CMake is an alternative build facility that can be used instead of the
284  traditional Unix "configure". CMake version 2.4.7 supports Borland makefiles,  traditional Unix "configure". CMake version 2.4.7 supports Borland makefiles,
# Line 262  MinGW makefiles, MSYS makefiles, NMake m Line 286  MinGW makefiles, MSYS makefiles, NMake m
286  6, Visual Studio 7, Visual Studio 8, and Watcom W8. The following instructions  6, Visual Studio 7, Visual Studio 8, and Watcom W8. The following instructions
287  were contributed by a PCRE user.  were contributed by a PCRE user.
288    
289  1. Download CMake 2.4.7 or above from http://www.cmake.org/, install and ensure  1.  Download CMake 2.4.7 or above from http://www.cmake.org/, install and ensure
290     that cmake\bin is on your path.      that cmake\bin is on your path.
291    
292  2. Unzip (retaining folder structure) the PCRE source tree into a source  2.  Unzip (retaining folder structure) the PCRE source tree into a source
293     directory such as C:\pcre.      directory such as C:\pcre.
294    
295  3. Create a new, empty build directory: C:\pcre\build\  3.  Create a new, empty build directory: C:\pcre\build\
296    
297  4. Run CMakeSetup from the Shell envirornment of your build tool, e.g., Msys  4.  Run CMakeSetup from the Shell envirornment of your build tool, e.g., Msys
298     for Msys/MinGW or Visual Studio Command Prompt for VC/VC++      for Msys/MinGW or Visual Studio Command Prompt for VC/VC++
299    
300  5. Enter C:\pcre\pcre-xx and C:\pcre\build for the source and build  5.  Enter C:\pcre\pcre-xx and C:\pcre\build for the source and build
301     directories, respectively      directories, respectively
302    
303  6. Hit the "Configure" button.  6.  Hit the "Configure" button.
304    
305  7. Select the particular IDE / build tool that you are using (Visual Studio,  7.  Select the particular IDE / build tool that you are using (Visual Studio,
306     MSYS makefiles, MinGW makefiles, etc.)      MSYS makefiles, MinGW makefiles, etc.)
307    
308  8. The GUI will then list several configuration options. This is where you can  8.  The GUI will then list several configuration options. This is where you can
309     enable UTF-8 support, etc.      enable UTF-8 support, etc.
310    
311  9. Hit "Configure" again. The adjacent "OK" button should now be active.  9.  Hit "Configure" again. The adjacent "OK" button should now be active.
312    
313  10. Hit "OK".  10. Hit "OK".
314    
# Line 295  were contributed by a PCRE user. Line 319  were contributed by a PCRE user.
319  USE OF RELATIVE PATHS WITH CMAKE ON WINDOWS  USE OF RELATIVE PATHS WITH CMAKE ON WINDOWS
320    
321  A PCRE user comments as follows:  A PCRE user comments as follows:
322    
323  I thought that others may want to know the current state of  I thought that others may want to know the current state of
324  CMAKE_USE_RELATIVE_PATHS support on Windows.  CMAKE_USE_RELATIVE_PATHS support on Windows.
325    
# Line 310  I am sure CMake people can fix that if t Line 334  I am sure CMake people can fix that if t
334  need to replace existing absolute paths in project files with relative  need to replace existing absolute paths in project files with relative
335  paths manually (e.g. from VS) - relative to project file location. I did  paths manually (e.g. from VS) - relative to project file location. I did
336  just that before being told to try CMAKE_USE_RELATIVE_PATHS. Not a big  just that before being told to try CMAKE_USE_RELATIVE_PATHS. Not a big
337  deal.  deal.
338    
339  AdditionalIncludeDirectories="E:\builds\pcre\build;E:\builds\pcre\pcre-7.5;"  AdditionalIncludeDirectories="E:\builds\pcre\build;E:\builds\pcre\pcre-7.5;"
340  AdditionalIncludeDirectories=".;E:\builds\pcre\pcre-7.5;"  AdditionalIncludeDirectories=".;E:\builds\pcre\pcre-7.5;"
# Line 335  TESTING WITH RUNTEST.BAT Line 359  TESTING WITH RUNTEST.BAT
359    
360  4. To test pcrecpp, run pcrecpp_unittest.exe, pcre_stringpiece_unittest.exe and  4. To test pcrecpp, run pcrecpp_unittest.exe, pcre_stringpiece_unittest.exe and
361     pcre_scanner_unittest.exe.     pcre_scanner_unittest.exe.
362    
363    
364  BUILDING UNDER WINDOWS WITH BCC5.5  BUILDING UNDER WINDOWS WITH BCC5.5
365    
# Line 415  $! Locale could not be set to fr Line 439  $! Locale could not be set to fr
439  $!  $!
440  =========================  =========================
441    
442  Last Updated: 20 January 2008  Last Updated: 09 July 2008
443  ****  ****
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