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msvc-instructions.md

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GALAXY42 compilation on msvc (Visual Studio 2017):

Process instructions for:

  • version: commit 963e23ba9decdf58b1663913b7579132371562e7
    • It should be similar or easier for newer versions

Used tools:

  • Cygwin (for git)
    • could be other tool that supports git
  • Visual Studio Community 2017
  • Cmake-GUI 3.9.0

Cygwin:

$ git clone https://github.com/yedino/galaxy42
$ echo "REMEMBER TO VERIFY CHECKSUM (git log -1) - git revision hash" ; read _
$ cd galaxy42
$ git submodule update --init

MSVC:

Creating project for Visual Studo (.sln and .vcxproj's) using Cmake-GUI

Provide dependencies (libboost and libsodium):

Open CMake-gui:

  • Settings:
    • Where is the source: path/to/cloned/galaxy42
    • Where to build the binaries: any/output/path

Set cmake variables:

  • Click "Add Entry"
  • "Name": BOOST_ROOT, BOOST_LIBRARYDIR, SODIUM_ROOT_DIR
  • "Type": PATH
  • "Value":
    • for SODIUM_ROOT_DIR: full path to directory, where you install/unpack "Libsodium Releases"
    • for BOOST_ROOT: full path to directory, where you install/unpack "Prebuild Boost Binaries For Windows v.1.6.4"
    • for BOOST_LIBRARYDIR: go to directory, where you install/unpack "Prebuild Boost Binaries For Windows v.1.6.4", open folder (lib32-msvc-14.0/lib64-msvc-14.1 or similar) complies with your system version (x32 or x64) and copy path
click configure
* for 32-bit build choose Visual Studio 15 2017
* for 64-bit build choose Visual Studio 15 2017 Win64
click generate

Cmake output:

The C compiler identification is MSVC 19.10.25019.0
The CXX compiler identification is MSVC 19.10.25019.0
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x64/cl.exe
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x64/cl.exe -- works
Detecting C compiler ABI info
Detecting C compiler ABI info - done
Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x64/cl.exe
Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.10.25017/bin/HostX86/x64/cl.exe -- works
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Detecting CXX compile features
Detecting CXX compile features - done
No build type selected, default to Debug
cotire 1.7.9 loaded.
Disabling COVERAGE
EXTLEVEL enabling EXTLEVEL_IS_NORMAL
Looking for pthread.h
Looking for pthread.h - not found
Found Threads: TRUE  
Boost version: 1.64.0
Found the following Boost libraries:
  system
  filesystem
  thread
  date_time
  chrono
  atomic
Boost version variable is: 106400
USE_BOOST_MULTIPRECISION is normal (on)
Found Sodium: C:/msvc2017_libs/libsodium-1.0.13/x64/Debug/v141/dynamic/libsodium.lib  
Found PythonInterp: C:/cygwin64/bin/python (found version "1.4")
Sorting sources (from GLOB)
Libs for crypto are: (as string) ''
Libs for crypto are: (as list) ''
C++ Compiler ID:               MSVC
C Flags:                       /DWIN32 /D_WINDOWS /W3  
C++ Flags:                     /DWIN32 /D_WINDOWS /W3 /GR /EHsc /W4  
C++ link flags:                
Build type:                    Debug
Debug flags:                   /MDd /Zi /Ob0 /Od /RTC1
Release flags:                 /MD /O2 /Ob2
Release with debug info flags: /MD /Zi /O2 /Ob1
Warn pedantic flags:           /W4
Configuring done

Possible errors:

Configuring incomplete, errors occurred! See also "C:/cygwin64/home/Krystian/galaxy42/CMakeFiles/CMakeOutput.log".'

  • try to delete cache and files by commend in cygwin: rm -rf CMakeCache.txt CMakeFiles/

Build tunserver.elf.exe in Visual Studio:

  • Open Visual Studio, "Open project", choose folder, where you generate MSVC project files

  • Open galaxy42.sln

  • Right mouse button (on "tunserver.elf" in Solution Explorer section) -> Build

  • Copy dll library files to binary directory

    For solutions configuration Debug

boost_date_time-vc141-mt-gd-1_64.dll
boost_filesystem-vc141-mt-gd-1_64.dll
boost_locale-vc141-mt-gd-1_64.dll
boost_system-vc141-mt-gd-1_64.dll
libsodium.dll

For solutions configuration Release

boost_date_time-vc141-mt-1_64.dll
boost_filesystem-vc141-mt-1_64.dll
boost_locale-vc141-mt-1_64.dll
boost_system-vc141-mt-1_64.dll
libsodium.dll

Possible errors:

Warning D9002 ignoring unknown option -std=c++14

  • you should use compilator that support c++14 (probably you are using an older version of Visual Studio)

Error LNK1104 cannot open file 'pthread.lib' tunserver.elf

  • simply remove pthread.lib from linking Additional Dependencies

Severity Code Description Project File Line Suppression State Error LNK2019 unresolved external symbol _CreateUnicastIpAddressEntry@4

  • add Iphlpapi.lib to Additional Dependencies that contain CreateUnicastIpAddressEntry function.

Error LNK1112 module machine type 'X86' conflicts with target machine type 'x64' or Error LNK1112 module machine type 'x64' conflicts with target machine type 'X86'

  • make sure you link correct version of 32-bit or 64-bit (libsodium/libboost) libraries.

Create TUN/TAP device

download/install openvps drivers for windows tap device

set up device in windows devices manager (this step must be done as administrator) OpenVPN installer creates default one TAP windows adapter. If you need more adapters:

Windows 7

my computer -> properties -> devices manager -> action -> add old device -> choose manually from list netwotk device -> "TAP-Windows Adapter V9"

Windows 8 and newer

my computer -> properties ->device manager -> action -> Add legacy hardware -> Install the hardware that I manually select from a list -> Network adapters -> Have disc -> locate tun driver (default path C:\Program Files\TAP_Windows\driver\OenVista.inf)

After installing (and restarting) your system will show a virtual network card in addition to your normal network cards: Win TUNTAP

Possible runtime errors (tunserver.elf.exe):

cannon open shared library

	$ ./tunserver.elf.exe
	C:/cygwin/home/Tigu_WIN/msvc/galaxy42/Debug/tunserver.elf.exe: error while loading shared libraries: libsodium.dll: cannot open shared object file: No such file or directory

  • manually copy libsodium.dll to dir that contain tunserver.elf.exe

  • same error with boost libraries - manually copy missing boost libs to dir that contain tunserver.elf.exe

Windows alert - abort()

Microsoft Visual C++ Runtime Library - debug Error! - abort()

  • reason - probably network TAP device is missing or your windows user don't have access to it (Do you created TAP device?).

problem with TUN/TAP parser

tun data length < 54 -- in tunserver.elf.exe debug messages

  • solution: in network device properties for TAP-Windows Adapter V9 - uncheck all components instead of ipv6 protocol