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  1. install zbar on windows with include and library files

  2. make sure mingw installed and bin directory added to the path

  3. in PYTHONPATH\Lib\distutils, create a file distutils.cfg and add two lines:

    [build]

    compiler=mingw32

  4. get dll lib and include file from ftp://sourceware.org/pub/pthreads-win32/dll-latest copy files to PATH_MINGW32/[lib,bin,include] separately, just need file name like pthreadGC2 and remember to chang the name to libpthread

  5. change or add lines in setup.py:

    extra_compile_args=['-std=c99', '-IPATH_TO\ZBar\include', '-lPATH_TO\ZBar\lib'],

    extra_link_args=["PATH_TO\ZBar\lib\libzbar.dll.a"],

    remove line libraries=['zbar'],

  6. run python setup.py install

@serg123e

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@serg123e serg123e commented Jan 9, 2017

please note that you have to use doubled backslashes in step 5:
extra_compile_args=['-std=c99', '-IPATH_TO\ZBar\include', '-lPATH_TO\ZBar\lib'],
extra_link_args=["PATH_TO\ZBar\lib\libzbar.dll.a"],

@Zephor5

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@Zephor5 Zephor5 commented Jan 25, 2017

For insurance purposes, yes. normally it's ok. @serg123e

@Niedzwiedzw

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@Niedzwiedzw Niedzwiedzw commented Mar 14, 2017

Can you please rewrite those instructions? It's ununderstandable...

@dannye

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@dannye dannye commented Mar 25, 2017

Yes, I am also having trouble understanding the instructions.
Can you re-explain step 4?

@gyb001

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@gyb001 gyb001 commented Nov 16, 2017

PS E:\py\zbar-0.10> C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\python.exe setup.py install
running install
running build
running build_ext
Traceback (most recent call last):
File "setup.py", line 43, in
extra_link_args=["C:\Program Files (x86)\ZBar\lib\libzbar.dll.a"],
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\dist.py", line 955, in run_commands
self.run_command(cmd)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\dist.py", line 974, in run_command
cmd_obj.run()
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\command\install.py", line 545, in run
self.run_command('build')
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\dist.py", line 974, in run_command
cmd_obj.run()
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\dist.py", line 974, in run_command
cmd_obj.run()
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\command\build_ext.py", line 308, in run
force=self.force)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\ccompiler.py", line 1031, in new_compiler
return klass(None, dry_run, force)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\cygwinccompiler.py", line 282, in init
CygwinCCompiler.init (self, verbose, dry_run, force)
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\cygwinccompiler.py", line 157, in init
self.dll_libraries = get_msvcr()
File "C:\Users\bence.gyarfas\AppData\Local\Programs\Python\Python36-32\lib\distutils\cygwinccompiler.py", line 86, in get_msvcr
raise ValueError("Unknown MS Compiler version %s " % msc_ver)
ValueError: Unknown MS Compiler version 1900

@mattm401

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@mattm401 mattm401 commented Dec 6, 2017

I am similarly having some issues following/understanding these instructions and get output that looks like this when I try to run the setup file:

C:\zbarlight-1.2>python setup.py install
C:\Python27\Lib\distutils\extension.py:133: UserWarning: Unknown Extension options: 'optional'
warnings.warn(msg)
running install
running bdist_egg
running egg_info
writing requirements to src\zbarlight.egg-info\requires.txt
writing src\zbarlight.egg-info\PKG-INFO
writing top-level names to src\zbarlight.egg-info\top_level.txt
writing dependency_links to src\zbarlight.egg-info\dependency_links.txt
reading manifest file 'src\zbarlight.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
no previously-included directories found matching 'docs'
no previously-included directories found matching 'tests'
warning: no previously-included files matching '.py[cod]' found anywhere in distribution
warning: no previously-included files matching 'pycache' found anywhere in distribution
warning: no previously-included files matching '
.so' found anywhere in distribution
warning: no previously-included files found matching 'Makefile'
warning: no previously-included files found matching 'requirements-dev.txt'
warning: no previously-included files found matching 'tox.ini'
writing manifest file 'src\zbarlight.egg-info\SOURCES.txt'
installing library code to build\bdist.win-amd64\egg
running install_lib
running build_py
running build_ext
building 'zbarlight._zbarlight' extension
c:\mingw\bin\gcc.exe -mdll -O -Wall -IC:\Python27\include -IC:\Python27\PC -c src/zbarlight/_zbarlight.c -o build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o -std=c99 "-IC:\Program Files (x86)\ZBar\include" "-lC:\Program Files (x86)\ZBar\lib"
writing build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.def
c:\mingw\bin\gcc.exe -shared -s build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.def -LC:\Python27\libs -LC:\Python27\PCbuild\amd64 -LC:\Python27\PC\VS9.0\amd64 -lpython27 -lmsvcr90 -o build\lib.win-amd64-2.7\zbarlight_zbarlight.pyd "C:\Program Files (x86)\ZBar\lib\libzbar.dll.a"
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x1c): undefined reference to _imp__Py_InitModule4' build\temp.win-amd64-2.7\Release\src\zbarlight\_zbarlight.o:_zbarlight.c:(.text+0x7c): undefined reference to _imp__Py_BuildValue'
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x8c): undefined reference to _imp__PyModule_AddObject' build\temp.win-amd64-2.7\Release\src\zbarlight\_zbarlight.o:_zbarlight.c:(.text+0xf1): undefined reference to _imp__PyArg_ParseTuple'
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x116): undefined reference to _imp__PyString_AsStringAndSize' build\temp.win-amd64-2.7\Release\src\zbarlight\_zbarlight.o:_zbarlight.c:(.text+0x264): undefined reference to _imp___Py_NoneStruct'
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x275): undefined reference to _imp__PyList_New' build\temp.win-amd64-2.7\Release\src\zbarlight\_zbarlight.o:_zbarlight.c:(.text+0x290): undefined reference to _imp__PyString_FromString'
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x299): undefined reference to _imp__PyList_Append' build\temp.win-amd64-2.7\Release\src\zbarlight\_zbarlight.o:_zbarlight.c:(.text+0x30f): undefined reference to _imp__PyArg_ParseTuple'
build\temp.win-amd64-2.7\Release\src\zbarlight_zbarlight.o:_zbarlight.c:(.text+0x33a): undefined reference to `_imp__Py_BuildValue'
collect2: ld returned 1 exit status
error: command 'c:\mingw\bin\gcc.exe' failed with exit status 1

any thoughts on what the issue might be?

@vanjavk

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@vanjavk vanjavk commented Dec 22, 2017

wtf do I need to do on step 4?

@jhgalino

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@jhgalino jhgalino commented Apr 2, 2018

how to step 4?

@PopeSo

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@PopeSo PopeSo commented Apr 21, 2018

when i following these instructions i have the same problem as @mattm401
error: command 'c:\mingw\bin\gcc.exe' failed with exit status 1
so what should i do for this issue?

@stupid-venky

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@stupid-venky stupid-venky commented Sep 6, 2018

Can someone please clearly say me the steps to install " Zbarlight " in windows . Cause I'm trying it for long time but I can't able to fix it.

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@stupid-venky stupid-venky commented Sep 6, 2018

Can some one help me to install zbar light in windows ?

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