Compiling under Windows

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This section has not been maintained for a long time!

Compiling with Cygwin

I wasn't able to get a stable build with Cygwin, but here is what I did.

Preparing the Cygwin environment

Since LibreOffice for Windows is being built through Cygwin, it is best to set up the environment as described on the LibreOffice build page. Of course, you can skip the downloading of the Office source code.

For some reason CLN expects time.h to be in the subdirectory sys. Copy it from your Visual Studio Installation directory\VC\include\time.h to sys\time.h in the same directory.

Take care not to install the gcc compiler when you install Cygwin, as it takes precedence of MSVC. You can check this by running the Cygwin setup.exe, searching for the packages gcc-core and gcc-g++, and uninstalling them if necessary.

Run the Cygwin setup.exe, and include the package gettext-devel.

Setup the cygwin.bat (usually found in C:\cygwin) to set the MSVC environment variables before running the Cygwin shell. Insert the following call before the last line:

call "%VS120COMNTOOLS%\vsvars32.bat"

Note that depending on your version of Visual Studio the 120 might be another number. Run

cmd.exe

set

to see what variable is available on your system.

Compiling with Microsoft Visual C++

Compiling CLN

Get the CLN sourcecode from the CLN website. Bring up a Cygwin shell by calling the cygwin.bat file. Change to the source directory. Run autoreconf -i and ./configure CPPFLAGS="-MD -DNO_ASM -EHsc" --prefix=/usr. Check in the output of configure that cl.exe is found as the C compiler.

Run make. It will probably stop and complain about missing files base/digitseq/cl_asm.obj and polynomial/elem/cl_asm_GF2.obj. Remove the files base/digitseq/cl_asm.lo and polynomial/elem/cl_asm_GF2.lo. Run make base/digitseq/cl_asm.lo. It will fail again but you can see the command that was issued. Copy this command exactly, adding the flag -TC before -c (this will enable MSVC to recognize the extension .S as a valid source file extension). Repeat for cl_asm_GF2.obj. This should create cl_asm.obj and cl_asm_GF2.obj (if not, repeat the procedure).

Run make to finish the build, make check</check> do run some tests on the library, and <code>make install to install it.

Compiling GiNaC

Get the GiNaC sourcecode from the GiNaC website. Run autoreconf -i and ./configure CPPFLAGS="-MD -DNO_ASM -EHsc" --prefix=/usr. Add the Cygwin include and library directory to the end of the corresponding paths:

export INCLUDE="$INCLUDE;C:\cygwin\usr\include"

export LIB="$LIB;C:\cygwin\lib" .

Run make. Compilation will probably stop in the ginsh subdirectory with a message about isatty. Since we don't need ginsh you can just change to that subdirectoy and run make -t.

In the check (and other subdirectories), when linking fails edit the Makefile and add the following to the command starting with CXXLINK: cln.lib. This is necessary because the package config file cln.pc is in Unix format and cl cannot find the library which is specified there by -lcln

Run make check and ensure that all checks pass.

Run make install.

Compiling EQC

Get the EQC sourcecode from Sourceforge. Run autoreconf -i and ./configure CPPFLAGS="-MD -EHsc" --prefix=/usr.

Run make

In the src subdirectory, after linking of eqc.exe fails, edit the Makefile and add the following to the command starting with CXXLINK: cln.lib ginac.lib (if you add it before, creation of the eqc library fails instead...).

Compiling iMath

Run setsdkenv_windows.bat from the Office SDK directory to configure your environment. This should create a custom batch file somewhere in your home directory (usually AppData\Roaming\office4.3_sdk). Give it the linux-style paths to the make and zip executables etc. Do NOT give it any paths with spaces - make will choke on them. Use the Windows 8.3 filenames instead. You can see them with dir /x. Add the setting set OSTYPE=cygwin manually to this file to fix some problems in the make process.

Here are example settings that work for me (note that this is only the beginning of the file!): 

 set OO_SDK_NAME=libreoffice4.3_sdk
 set OO_SDK_HOME=C:\PROGRA~1\LIBREO~1\sdk
 set OFFICE_HOME=C:\PROGRA~1\LIBREO~1
 set OO_SDK_URE_HOME=C:\PROGRA~1\LIBREO~1\URE
 set OO_SDK_MAKE_HOME=C:\cygwin\opt\lo\bin
 set OO_SDK_ZIP_HOME=/usr/bin
 set OO_SDK_CAT_HOME=/usr/bin
 set OO_SDK_SED_HOME=/usr/bin
 set OO_SDK_CPP_HOME=C:\PROGRA~1\MICROS~1.0\VC\bin
 set CPP_MANIFEST=
 set CPP_WINDOWS_SDK=
 set OO_SDK_CLI_HOME=C:\Windows\Microsoft.NET\Framework\v2.0.50727
 set OO_SDK_JAVA_HOME=C:\Program Files\Java\jdk1.8.0_45
 set OO_SDK_OUT=c:\libreoffice4.3_sdk
 set OSTYPE=cygwin

Add this batch file to Cygwin.bat. Here is what my Cygwin.bat looks like: 

 @echo off
 C:
 chdir C:\cygwin\bin
 call "C:\Users\User\AppData\Roaming\libreoffice4.3_sdk\setsdkenv_windows.bat"
 set INCLUDE=%INCLUDE%;C:\cygwin\usr\include;%OO_SDK_HOME%\include
 set LIB=%LIB%;C:\cygwin\lib
 bash --login -i

Get the iMath sourcecode from Sourceforge. Run autoreconf -i and ./configure, then change to the src subdirectory and run make.

Compiling with MinGW

I haven't tried this method for a long time, but it did work once.

Preparing the Openoffice SDK with Microsoft Visual C++

To build iMath for Windows, you need the Office SDK for Windows.

  • Download and install the Openoffice SDK
  • The following is explained in detail in "SDK installation directory"\sdk\docs\install.html
  • Install Microsoft Visual C++ (the free express version will do, then you also need to install the Microsoft Visual Studio 2008 Redistributable Package)
  • Install make (e.g. copy C:\MinGW\bin\mingw32-make.exe to WINDOWS\system32 and rename it to make.exe)
  • Install info-zip (e.g. download from [1] and put zip.exe into C:\Windows\system32)
  • To test the SDK installation, open a command prompt and cd to the ...\sdk\examples\cpp\DocumentLoader directory.
  • Run ...\sdk\setsdkenv_windows.bat to configure your environment. This should create a custom batch file somewhere in your home directory (usually Application Data\Openoffice\...). Give it the correct paths to the make and zip executables
  • I had to edit thecustom batch file and add a correct URE path:

set OO_SDK_URE_HOME=C:\Programme\OpenOffice.org 3\URE

  • Run vsvars32.bat from the MSVC\Common7\Tools directory
  • Now try to build the example by typing make, if this is not successful fix the problems before continuing.
  • The next time you want to use the SDK, just run the custom batch file to set the environment variables required

Preparing MSYS and Mingw

  • Get the mingw installer from here
  • Use the pre-packaged lists for the first install
  • Do mingw-get update and mingw-get install msys-base mingw32-base. This should update libtool to 2.4
  • Click on the MSYS icon to start a Bourne shell
  • Add .../Microsoft Visual Studio 10.0/Common7/IDE and .../Microsoft Visual Studio 10.0/VC/BIN to PATH (e.g PATH=$PATH:"/c/Programme/Microsoft Visual Studio 10.0/Common7/IDE":"/c/Programme/Microsoft Visual Studio 10.0/VC/bin"). You can find these paths in vsvars32.bat somewhere in the Visual Studio installation directory.
  • If you want to use cl (the Microsoft compiler) to compile something, copy .../Microsoft Visual Studio 10.0/VC/include and lib to msys /vc/include and /vc/lib (or find a better way to make CPPFLAGS accept path names with spaces)
  • Copy Microsoft SDKs/Windows/Vxxx/Include and Lib to msys /sdk/include and /sdk/Lib (or find a better way to set the cl.exe LIB path)

Compiling gmp with gcc

Note: This is optional. GiNaC comes with its own gmp, which I would recomment to use.

Download and unpack gmp into your msys home directory.

  • Change into the new directory.
  • For a shared library build, run configure with --disable-static --enable-shared. Then do make, make check and make install
  • Change into the .libs subdirectory
  • Make sure the MSVC binaries are in your path and run lib /def:libgmp-3.dll.def /out:libgmp-3.lib
  • Copy libgmp-3.exp, libgmp-3.dll.def and libgmp-3.lib into /usr/local/lib.
  • Do make distclean
  • For a static library build, run configure with --enable-static --disable- shared (note that it is not possible to build both static and shared libraries in one compilation run).
  • Do make, make check and make install
  • Note that make install overwrites the libgmp.la for dynamic linking in /usr/local/lib.
  • Download objconv objconv and put the executable somewhere into your msys path.
  • Change into the .libs subdirectory
  • Run objconv -fcoff -nr:___chkstk:__chkstk libgmp.a libgmp.lib to make the symbols compatible with MSVC
  • Copy the new libgmp.lib into /usr/local/lib

To compile a test program with MSVC

  • Open a DOS command shell and go to the gmp directory.
  • You can find some example files in the demos subdirectory of gmp.
  • For a dynamically linked program, run cl /MD -I \vc\include -I \sdk\include -I \local\include isprime.c /link /LIBPATH: \vc\lib /LIBPATH: \sdk\lib LIBPATH: \local\lib libgmp-3.lib
  • For a static link, substitute libgmp-3.lib with libgmp.lib

Compilation with Microsoft Visual C++

Preparations

  • Install mingw (the minimal version will do since we will be using the Microsoft compiler)
  • Set your PATH as described above in the gcc compile section and create the msys /vc and /sdk directories
  • Create the /vc/include/sys directory and put /vc/include/time.h into it

Compiling CLN

Download the CLN source code and unpack it into your msys home directory

  • Change to the source directory
  • run ./configure LD=cl CC=cl CXX=cl CCAS=cl CPPFLAGS="-DEBUG -DNO_ASM -EHsc -MD -I/vc/include -I/sdk/include" LIB=/vc/lib:/sdk/lib
  • Run make LIB="/vc/lib;/sdk/lib"
  • make will stop and complain about missing files cl_asm.obj and cl_asm_GF2.obj
    • copying cl_asm.o from a gcc compile to cl_asm.obj gives lots of linker errors, don't try that
    • change to the src subdirectory
    • Remove cl_asm.lo and cl_asm_GF2.lo
    • Edit the Makefile and find the lines starting with cl_asm.lo: and cl_asm_GF2.lo:.
    • Change cl_asm.S and cl_asm_GF2.S to cl_asm_.cc and cl_asm_GF2.cc in these lines (because MSVC doesn't recognize the .S extension). Total of three (six?) changes for each.
    • run make again in the top-level directory

The build will finish with some linker warnings about duplicate definitions and create the library in .libs. The linker errors are (hopefully) all harmless and have to do with different handling of inlined functions by gcc and MSVC

  • bool zerop(const cl_RA&): As soon as more than one file includes cl_RA.h, inline bool zerop(..) is defined twice and produces a linker warning
  • cl_I numerator (const cl_RA&): same as above
  • bool CL_FLATTEN minusp (const cl_RA&): same as above
  • const cl_I denominator (const cl_RA&): same as above
  • bool zerop (const cl_I&): As soon as more than one file includes cl_I.h, inline bool zerop(..) is defined twice and produces a linker warning
  • bool minusp (const cl_I&): Same as zerop
  • const cl_LF operator+ (const cl_LF&, const cl_LF&): Defined in cl_LF_2plus.cc and as an inline version in cl_LF.h, these clash when cl_R_mul.cc includes cl_LF.h
  • same for operator-

Now try compiling the examples and checks:

  • Run make LIB="/vc/lib;/sdk/lib" check
  • On my machine, this compiled without a flaw and said "All two tests passed"

Install the library and headers

  • Run make LIB=/vc/lib:/sdk/lib install to put them into /local/lib

If you want to use the gmp library as compiled and modified by objconv above, add --with-gmp=/usr/local LDFLAGS=/usr/local/lib/libgmp.lib to the configure invocation. You might have to create a copy of libgmp.lib named libgmp.a in /usr/local/lib because make will link to both of them.

Compiling GiNaC

Download the Ginac source code from git and unpack it into your msys home directory

  • Download pkg-config, gettext and glib2 from the GTK project. Unzip the files and install them under /MinGW/bin
  • Change to the source directory
  • Run ./configure CPPFLAGS="-DEBUG -MD -EHsc -I/vc/include -I/sdk/include" LIB=/vc/lib:/sdk/lib PKG_CONFIG_PATH=/usr/local/lib/pkgconfig --disable-shared --enable-static
  • If configure chokes, find pkg.m4 on the web and put it in MinGW/share/aclocal
  • If you have not installed libreadline, then configure will give a warning. You can ignore this if you do not plan to build the ginsh.
  • run make LIB="/vc/lib:/sdk/lib"
  • The linker complains about "no public symbols existing" in registrar.obj, which seems to be OK since the source file has no code.
  • Make will fail in the ginsh subdirectory if you have not installed libreadline. Run make -t in this directory to ignore the problem.
  • Running make LIB=/vc/lib:/sdk/lib check passes all 58 tests successfully
  • Run make LIB=/vc/lib:/sdk/lib install to put the library into /local/lib

Compiling EQC

Download the EQC source code and unpack it into your msys home directory

  • Don't forget to set the Visual C++ paths as described above
  • Run autoreconf -i to get the newest libtool files
  • Run ./configure LIB=/vc/lib:/sdk/lib CPPFLAGS="-DEBUG -MD -EHsc -I/vc/include -I/sdk/include" PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
  • Run make LIB="/vc/lib:/sdk/lib"
  • You need to run make LIB="/vc/lib:/sdk/lib" install to install library and headers correctly. If you have not installed the tools required to build the files in the doc directory, edit Makefile.am there and remove all lines except the first two.
  • On my system eqc.pc did not get installed into /local/lib/pkgconfig, so I copied it there manually

Compiling iMath

Make sure you have the Microsoft Visual C++ 2010 Redistributable package installed (search for vcredist on the Microsoft website)

Download the iMath source code and unpack it into your msys home directory in an msys shell

  • Run autoreconf -i to get the newest libtool files
  • Run ./configure LIB=/vc/lib:/sdk/lib CPPFLAGS="-I/vc/include -I/sdk/include" PKG_CONFIG_PATH=/usr/local/lib/pkgconfig

Now change to a DOS shell prepared for the OpenOffice SDK as described above

  • Go to the src subdirectory
  • Edit the Makefile and adapt the OS and MINGW settings at the beginning
  • If your office installation path has a space in it, you need to set the PRJ manually in the Makefile, prepending every space with a backslash
  • run make
  • If cppumaker chokes, just run the identical command manually without the -O flag. Move the generated type directory ./com to ./inc/com
  • In my opinion, there is an error in the sdk/settings/settings.mk file. The CC_FLAGS must not have -MT, instead they should have -MD. Change this if you get linker errors when creating the DLL
  • If make chokes on the manifest, just run make again to ignore the error
  • After make was successful, run make deploy to install the extension
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