building SWIG on Windows with CMake (and Visual Studio)

Dear all

 

I've just successfully build current SWIG master via CMake on Windows 10,
using Visual Studio 2019. I thought others might be interested in this so
post it here.

 

This instructions are a bit more complicated as hoped by still simpler than
Getting started on Windows (swig.org)
<http://swig.org/Doc4.0/Windows.html#Windows_swig_exe> .

 

- install sed and bison. I used Gnuwin32 set-up utilities from

http://gnuwin32.sourceforge.net/packages/m4.htm (which actually installs
sed+m4) and http://gnuwin32.sourceforge.net/packages/bison.htm. Install into
a directory without spaces (e.g. c:\users\yourname\Gnuwin32)

 

- build PCRE

  - get latest pcre-* source from https://ftp.pcre.org/pub/pcre/ (I used
8.45). (Do not use pcre2*).

  - Use CMake to configure:

     - set BUILD_SHARED_LIBS=ON or you will get linking errors (missing
symbol imp_pcre...)

     - best to set CMAKE_INSTALL_PREFIX to a directory where you have write
permission

   - build Release version and INSTALL

 

- For old SWIG versions, do "pip install 2to3"

 

- add both c:\users\yourname\Gnuwin32\bin and the "bin" sub-directory where
you set CMAKE_INSTALL_PREFIX to your (user) path via the System Properties
control panel

 

- build SWIG

  - run CMake

      - best to set CMAKE_INSTALL_PREFIX to same directory as used for PCRE

      - probably will have to set PCRE_INCLUDE_DIR and PCRE_LIBRARY (point
the latter to .../pcre.lib)

      - set BISON_EXECUTABLE if not found

  - build and INSTALL (probably you want to use Release as well)

 

(note: adding the PCRE CMAKE_INSTALL_PREFIX/bin to your path is necessary as
you will need directory where pcre.dll is in your path for SWIG to run).

 

Kris

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