Difference between revisions of "Cross-compiling for Windows"

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(→‎Visual Studio 2017 and 2019)
(→‎Preparing VCL dialogs)
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* Go to sdk/bin and create an executable called cppumaker with content <code>wine "$OO_SDK_HOME/bin/cppumaker.exe" "$@"</code>
 
* Go to sdk/bin and create an executable called cppumaker with content <code>wine "$OO_SDK_HOME/bin/cppumaker.exe" "$@"</code>
 
* Install the Office DLLs where wine can find them (e.g. symlink into the sdk/bin directory) but not into ~/.wine/drive_c/windows/system32, because this will confuse the office. This is required for cppumaker.exe to run
 
* Install the Office DLLs where wine can find them (e.g. symlink into the sdk/bin directory) but not into ~/.wine/drive_c/windows/system32, because this will confuse the office. This is required for cppumaker.exe to run
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=== Preparing VCL dialogs ===
 
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There is an attempt to convert the dialogs to [https://docs.libreoffice.org/vcl.html VCL] (VCL provides a graphical toolkit similar to gtk+, Qt, SWING etc). VCL dialogs are not (yet) available for Apache OpenOffice. Unfortunately, they could not be brought to function with the Windows build, either. Therefore this section can currently be skipped except if you want to make an experimental build.
 
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You can activate VCL dialogs in the Makefile through <code>USEVCL=1</code>.
 
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Since VCL is not yet integrated into the Office API, you need some special preparations.
 
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* Download the VCL include files for your version of the SDK (replace 6-0 with your version)
 
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<code>git clone --branch libreoffice-6-0 --single-branch --depth 1 git://anongit.freedesktop.org/libreoffice/core</code>
 
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* Move or copy the directory <code>core/include</code> to <code>vclinclude-6-0</code>
 
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* Move or copy the file <code>core/solenv/clang-cl/config_global.h</code> to the src directory
 
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** This file appears to be empty, at least on my platform
 
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* Create the following file in <code>vclinclude-6-0</code>
 
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<nowiki>
 
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/* config_host/config_vcl.h.  Generated from config_vcl.h.in by configure. */
 
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/*
 
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Settings about vcl
 
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*/
 
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#ifndef CONFIG_VCL_H
 
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#define CONFIG_VCL_H
 
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/* nature of the device pixel coordinate system
 
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* either use sal_Int32 or double for coordinates
 
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*/
 
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#define VCL_FLOAT_DEVICE_PIXEL 0
 
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#endif</nowiki>
 
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As you can see, this file was taken from an Office build. You might have to create a build to get the file matching your build system. Up to now, the version given above has worked, though.
 
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==== Generating the link library for Windows ====
 
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Windows cannot link directly against a .dll file. Therefore you need to create a .lib from it. Find mergedlo.dll in the Office program directory and perform the following steps:
 
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<nowiki>
 
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wine dumpbin /exports mergedlo.dll | cut -c27- > mergedlo.def
 
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wine lib /def:mergedlo.def /OUT:mergedlo.lib</nowiki>
 
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Leave the result in the Office program directory.
 
  
 
=== Compiling iMath ===
 
=== Compiling iMath ===

Revision as of 20:00, 14 February 2022

Ubuntu, wine and Microsoft Visual C++

General setup

It seems that an Office extension for Windows must be compiled with MSVC to be compatible. Here is a way to do this from within Ubuntu. Make sure you have a recent wine installed. By default this will be a 64 bit version. If you need a 32-bit wine, use winearch='win32' winecfg.

Visual Studio 2017 or 2019 (64 bit compiler, outputting 32 bit or 64 bit code)

  • Get a working Visual Studio installation under Windows (the community version is available for free, and works fine)
  • Set up the following file structure in your .wine/drive_c directory (for 32 bit wine, change Hostx64 to Hostx86 in the first two lines).
 vc/bin/x64 from C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\XX.YY.ZZZZZ\bin\Hostx64\x64
 vc/bin/x86 from C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\XX.YY.ZZZZZ\bin\Hostx64\x86
 vc/lib/x64 from C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\XX.YY.ZZZZZ\lib\x64
 vc/lib/x86 from C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\XX.YY.ZZZZZ\lib\x86
 vc/include from C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\XX.YY.ZZZZZ\include
 vc/sdk/lib/ucrt/x64 from C:\Program Files (x86)\Windows Kits\10\Lib\10.0.16299.0\ucrt\x64
 vc/sdk/lib/ucrt/x86 from C:\Program Files (x86)\Windows Kits\10\Lib\10.0.16299.0\ucrt\x86
 vc/sdk/lib/um/x64 from C:\Program Files (x86)\Windows Kits\10\Lib\10.0.16299.0\um\x64
 vc/sdk/lib/um/x86 from C:\Program Files (x86)\Windows Kits\10\Lib\10.0.16299.0\um\x86
 vc/sdk/include/ucrt from C:\Program Files (x86)\Windows Kits\10\Include\10.0.16299.0\ucrt
 vc/sdk/include/um from C:\Program Files (x86)\Windows Kits\10\Include\10.0.16299.0\um
 vc/sdk/include/shared from C:\Program Files (x86)\Windows Kits\10\Include\10.0.16299.0\shared
 vc/sdk/include/ucrt/sys/time.h: link to ../time.h
  • If you change this structure you must also adapt the .configure calls later
  • If you are only targeting x64 or x86 you can omit the other architecture
  • Run wine regedit and add to HKEY_CURRENT_USER\Environment the entry PATH:
    • 64 bit host, 64 bit target: C:\vc\bin\x64
    • 64 bit host, 32 bit target: C:\vc\bin\x86;C:\vc\bin\x64

wine cl, wine link and wine lib should now work.

Debug build

  • To get a debug build, use the flags -MDd -D_DEBUG for libraries
  • You will need to copy the debug versions of the standard libraries into the paths

Compiling CLN

For a 64 bit build, you need to have a recent CLN (>1.3.6). For best stability, please use this patched version.

Visual Studio 2017 and 2019

  • You must use a recent CLN >= version 1.3.6
  • Run autoreconf -i
  • Configure the build
    • 64 bit build: ./configure CC="wine cl" CXX="wine cl" CCAS="wine cl" LD="wine link" LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64" CPPFLAGS="-MD -DNO_ASM -D__x86_64__ -EHsc -IC:/vc/include -IC:/vc/sdk/include/um -IC:/vc/sdk/include/ucrt -IC:/vc/sdk/include/shared" --host=amd64-mingw64msvc
    • 32 bit build: ./configure CC="wine cl" CXX="wine cl" CCAS="wine cl" LD="wine link" LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86" CPPFLAGS="-MD -DNO_ASM -EHsc -IC:/vc/include -IC:/vc/sdk/include/um -IC:/vc/sdk/include/ucrt -IC:/vc/sdk/include/shared" --host=i586-mingw32msvc
  • Edit libtool and find the two lines containing -OUT. Replace lib with wine lib
  • Edit the src/Makefile and find the line starting with .S.lo
  • Add the switch -TC before -c -o
  • Build
    • 64 bit build: make LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64"
    • 32 bit build: make LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86"
  • Check
    • 64 bit build: make LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64" check
    • 32 bit build: make LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86" check
  • All tests should pass successfully (note that on a 64-bit wine, the 32-bit tests will not execute). If they do not, you might need to install the package wine-binfmt

Compiling GiNaC

For a 64 bit build, you need a recent version of GiNaC (>1.7.8).

Visual Studio 2017 and 2019

  • Copy libcln.lib into ~/.wine/drive_c/local/lib/x64 (or x86) and the CLN headers into ~/.wine/drive_c/local/include/x64/cln (or x86/cln)
  • Run autoreconf -i in the source directory
  • Configure
    • 64 bit: ./configure CC="wine cl" CXX="wine cl" LD="wine link" CLN_CFLAGS=-IC:/local/include/x64 CLN_LIBS=C:/local/lib/x64/libcln.lib LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64" CPPFLAGS="-MD -DNO_ASM -D__x86_64__ -EHsc -Zc:__cplusplus -IC:/vc/include -IC:/vc/sdk/include/um -IC:/vc/sdk/include/ucrt -IC:/local/include" --disable-shared --enable-static --host=amd64-mingw64msvc
    • 32 bit: ./configure CC="wine cl" CXX="wine cl" LD="wine link" CLN_CFLAGS=-IC:/local/include/x86 CLN_LIBS=C:/local/lib/x86/libcln.lib LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86" CPPFLAGS="-MD -DNO_ASM -EHsc -IC:/vc/include -IC:/vc/sdk/include/um -IC:/vc/sdk/include/ucrt -IC:/local/include" --disable-shared --enable-static --host=i586-mingw32msvc
  • Edit the libtool created by configure:
    • The line starting with old_archive_cmds must read "wine lib -OUT:\$oldlib\$oldobjs\$old_deplibs". Note that this line occurs twice in the file!
  • Build
    • 64 bit: make LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64"
    • 32 bit: make LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86"
  • On Windows compilation will fail in the ginsh subdirectory. Simply cd to this directory and run make -t (since we won't be needing ginsh)
  • Change to the toplevel directory again and finish the build with the same make command as before
  • Check
    • 64 bit: make LIB="C:/vc/lib/x64;C:/vc/sdk/lib/um/x64;C:/vc/sdk/lib/ucrt/x64" check
    • 32 bit: make LIB="C:/vc/lib/x86;C:/vc/sdk/lib/um/x86;C:/vc/sdk/lib/ucrt/x86" check
  • All tests should pass successfully (note that on 64 bit wine the 32 bit tests will not execute)

Preparing the Office SDK

  • Install Office and the Office SDK into wine using the standard Windows installation files. Try to run ~/.wine/drive_c/Program Files/<YOUR_OFFICE>/program/soffice.exe, if this doesn't start, then install it into a clean wine.
  • Remember to install 64-bit versions of the Office and SDK if you set up a 64-bit Visual C++ environment
  • In the SDK base directory (e.g. ~/.wine/drive_c/Program Files/<YOUR_OFFICE>/sdk), edit settings/dk.mk and change the platform PLATFORM=wine (for Apache OpenOffice, create a file called config.guess in the sdk subdirectory with contents echo wine; exit 0)
  • Edit settings/settings.mk and add a section for wine. The iMath source subdirectory src/wine-sdk-config contains a sample that works for me, but keep in mind that the settings.mk file varies between SDK versions.
  • Go to sdk/bin and create an executable called cppumaker with content wine "$OO_SDK_HOME/bin/cppumaker.exe" "$@"
  • Install the Office DLLs where wine can find them (e.g. symlink into the sdk/bin directory) but not into ~/.wine/drive_c/windows/system32, because this will confuse the office. This is required for cppumaker.exe to run

Compiling iMath

Copy libginac.lib into ~/.wine/drive_c/local/lib/x64 (or x86) and the GiNaC headers (also from the parser subdirectory) into ~/.wine/drive_c/local/include/x64/ginac (or x86/ginac)

  • Because GNU make has problems with spaces in paths, it is strongly advisable to create a symlink to ~/.wine/drive_c/Program\ Files and any other directory that has spaces (e.g. LibreOffice\ 5)
  • Edit the config.wine file matching your Office installation in the directory src/wine-sdk-config. Set BASE= to match your wine installation directory. Edit the relevant entries at the top of the file using the symlinked directory names without spaces
  • Source this config.wine.xxx file
  • Run autoreconf -i
  • 32 bit build: Run ./configure CC="wine cl" CXX="wine cl" LD="wine cl" --host=i586-mingw32msvc
  • 64 bit build: Run ./configure CC="wine cl" CXX="wine cl" LD="wine cl" --host=amd64-mingw64msvc
  • Change into the source directory
  • Run make. This will produce an error about mt.exe at the end of the process. Just run make again and the extension is created in the iMathout directory
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