Add lxml and future to Windows ToolChain #4966

rmackay9 · 2016-10-12T11:45:40Z

Recent changes to add dependencies on "lxml" and "future" python packages has broken the build for Windows. The error message that appears is, "ImportError: No module named future"

We should add these packages to the windows toolchain:

Open this web page: http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml
search and download, "lxml-3.6.4-cp27-cp27m-win32.whl"
search and download, "future-0.15.2-py2-none-any.whl"

These can be installed by running:
pip install filename

SalahuddinAsh · 2016-10-17T14:26:12Z

@rmackay9 I've tried to follow these instructions but when I run "pip install xxx" it gave me "xxx.whl is not a supported wheel on this platform". How can I fix it?

khancyr · 2016-10-17T16:16:40Z

Windows installer here in case you are using pure windows : https://pypi.python.org/pypi/lxml/3.6.0

WickedShell · 2016-10-17T16:23:53Z

pip install xxx --user

It's on the sitl windows page.

On Oct 17, 2016 9:16 AM, "khancyr" notifications@github.com wrote:

Windows installer here in case you are using pure windows :
https://pypi.python.org/pypi/lxml/3.6.0

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magicrub · 2016-10-17T19:16:27Z

pip install future works fine.

when I run "pip install lxml" it looks good for a while but fails when
compiling:

...
fatal error: libxml/xpatch.h: No such file or directory
compilation terminated.

Could not find function xmlCheckVersion in library libxml2. Is libxml2
installed?

running "pip install libxml2" doesn't help, gives me a not-found type error.

On Mon, Oct 17, 2016 at 9:24 AM, WickedShell notifications@github.com
wrote:

pip install xxx --user

It's on the sitl windows page.

On Oct 17, 2016 9:16 AM, "khancyr" notifications@github.com wrote:

Windows installer here in case you are using pure windows :
https://pypi.python.org/pypi/lxml/3.6.0

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WickedShell · 2016-10-17T19:19:33Z

@magicrub is this within cygwin? If so see the cygwin instructions, you
need libxml2-devel libxslt-devel python-devel and libexpat to get lxml to
install via pip

On Mon, Oct 17, 2016 at 12:16 PM, Tom Pittenger notifications@github.com
wrote:

pip install future works fine.

when I run "pip install lxml" it looks good for a while but fails when
compiling:

...
fatal error: libxml/xpatch.h: No such file or directory
compilation terminated.

Could not find function xmlCheckVersion in library libxml2. Is libxml2
installed?

running "pip install libxml2" doesn't help, gives me a not-found type
error.

On Mon, Oct 17, 2016 at 9:24 AM, WickedShell notifications@github.com
wrote:

pip install xxx --user

It's on the sitl windows page.

On Oct 17, 2016 9:16 AM, "khancyr" notifications@github.com wrote:

Windows installer here in case you are using pure windows :
https://pypi.python.org/pypi/lxml/3.6.0

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magicrub · 2016-10-17T19:45:07Z

yup, that worked. Thanks Michael!

On Mon, Oct 17, 2016 at 12:19 PM, WickedShell notifications@github.com
wrote:

@magicrub is this within cygwin? If so see the cygwin instructions, you
need libxml2-devel libxslt-devel python-devel and libexpat to get lxml to
install via pip

On Mon, Oct 17, 2016 at 12:16 PM, Tom Pittenger notifications@github.com
wrote:

pip install future works fine.

when I run "pip install lxml" it looks good for a while but fails when
compiling:

...
fatal error: libxml/xpatch.h: No such file or directory
compilation terminated.

Could not find function xmlCheckVersion in library libxml2. Is libxml2
installed?

running "pip install libxml2" doesn't help, gives me a not-found type
error.

On Mon, Oct 17, 2016 at 9:24 AM, WickedShell notifications@github.com
wrote:

pip install xxx --user

It's on the sitl windows page.

On Oct 17, 2016 9:16 AM, "khancyr" notifications@github.com wrote:

Windows installer here in case you are using pure windows :
https://pypi.python.org/pypi/lxml/3.6.0

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SalahuddinAsh · 2016-10-18T07:15:33Z

Thanks guys for your replys.

@magicrub Excuse me, how did you installed these required packages?
I've tried running
$ python -m pip install --user libxml2-devel libxslt-devel python-devel libexpat
But it gave me this error

You are using pip version 6.1.1, however version 8.1.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting libxml2-devel
  Could not find a version that satisfies the requirement libxml2-devel (from versions: )
  No matching distribution found for libxml2-devel

And when trying
$ pip install libxml2-devel
It gave me this

Collecting libxml2-devel
  Could not find a version that satisfies the requirement libxml2-devel (from versions: )
No matching distribution found for libxml2-devel

I'm running these commands in Cygwin terminal

khancyr · 2016-10-18T07:30:10Z

@SalahuddinAsh libxml2-devel should be install with Cygwin installer ! (maybe another way but this one works!)

magicrub · 2016-10-18T07:50:51Z

cygwin installer

On Tue, Oct 18, 2016 at 12:30 AM, khancyr notifications@github.com wrote:

libxml2-devel should be install with Cygwin installer ! (maybe another way
but this on works!)

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SalahuddinAsh · 2016-10-18T09:04:43Z

@magicrub @khancyr Guys, I'm sorry but it doesn't work. I was trying the last hour to get it to work but it didn't. I even reinstalled Cygwin, installed the required packages, installed future and lxml but when I tried to build in eclipse it gave me the same error.
$ python -m pip install --user future Collecting future Downloading future-0.15.2.tar.gz (1.6MB) 100% |████████████████████████████████| 1.6MB 358kB/s Installing collected packages: future Running setup.py install for future ... done Successfully installed future-0.15.2
$ python -m pip install --user lxml Collecting lxml Using cached lxml-3.6.4.tar.gz Installing collected packages: lxml Running setup.py install for lxml ... done Successfully installed lxml-3.6.4
And when I built in eclipse it gave me this error
c:/Users/Salahuddin/ardupilot/libraries/GCS_MAVLink/GCS_MAVLink.h:27:56: fatal error: include/mavlink/v2.0/ardupilotmega/version.h: No such file or directory compilation terminated. make[3]: *** [/c/Users/Salahuddin/ardupilot/ArduCopter/AP_Rally.cpp.o] Error 1 make[3]: Leaving directory/c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build/c/Users/Salahuddin/ardupilot'
make[2]: *** [/c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build//c/Users/Salahuddin/ardupilot/module.pre.o] Error 2
make[2]: Leaving directory /c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build' make[1]: *** [/c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build/firmware.px4] Error 2 make[1]: Leaving directory/c/Users/Salahuddin/ardupilot'
make: *** [px4-v2] Error 2

09:00:59 Build Finished (took 1m:8s.969ms)`

Any suggestions?

peterbarker · 2016-10-18T10:31:34Z

On Tue, 18 Oct 2016, SalahuddinAsh wrote: And when I built in eclipse it gave me this error c:/Users/Salahuddin/ardupilot/libraries/GCS_MAVLink/GCS_MAVLink.h:27:56: fatal error: include/mavlink/v2.0/ardupilotmega/version.h: No such file or directory

Have you run git submodule update --recursive ?

SalahuddinAsh · 2016-10-18T11:37:01Z

@peterbarker I've just done the following:

uninstalled px4_toolchain and reinstalled the latest version from here
delete ardupilot code and re-cloned it using
- git clone https://github.com/ArduPilot/ardupilot.git
- cd ardupilot
- git submodule update --init --recursive
Followed the instructions here to build in elcipse
Built using eclipse but also had the same error
c:/Users/Salahuddin/ardupilot/libraries/GCS_MAVLink/GCS_MAVLink.h:27:56: fatal error: include/mavlink/v2.0/ardupilotmega/version.h: No such file or directory

What can I do else to solve it?

peterbarker · 2016-10-19T01:48:19Z

@SalahuddinAsh Please try to build outside eclipse, using just "make" or "waf"

rmackay9 · 2016-10-19T02:28:13Z

Sid's produced a new Toolchain. It would be great if @SalahuddinAsh could give it a try to see if it resolves the problems. https://drive.google.com/file/d/0B9lyOylsxH2BbDhENzRXMmZBQm8/view

rmackay9 · 2016-10-19T04:51:30Z

The new toolchain has been uploaded to: http://firmware.ap.ardupilot.org/Tools/PX4-tools/pixhawk_toolchain_installer_latest.exe

Hope this sorts out the problems.

SalahuddinAsh · 2016-10-19T07:21:23Z

@peterbarker I've tried to run "make" from within px4 console but it didn't work. And I don't know how to run "waf" in Windows. Could you tell me?

@rmackay9 Many thanks for your reply. I really appreciate it.

I uninstalled px4-toolchain and installed the latest version you provided and finally it built but with error.
- These are the last lines in console
  %% Generating /c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build/firmware.px4 fatal: Not a git repository: test/dspal_tester/cmake_hexagon/../../../../../../../../../.git/modules/modules/PX4Firmware/modules/src/lib/DriverFramework/modules/dspal/modules/test/dspal_tester/cmake_hexagon fatal: 'git status --porcelain' failed in submodule dspal fatal: 'git status --porcelain' failed in submodule src/lib/DriverFramework make[2]: Leaving directory/c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build'
  %% Copying /c/Users/Salahuddin/ardupilot/modules/PX4Firmware/Images/px4fmu-v2_APM.px4
  make[1]: Leaving directory /c/Users/Salahuddin/ardupilot' text data bss dec hex filename 952028 2848 61196 1016072 f8108 c:/Users/Salahuddin/ardupilot/modules/PX4Firmware/Build/px4fmu-v2_APM.build/firmware.elf fatal: Not a git repository: c:/Users/Salahuddin/ardupilot/modules/../../.git/modules/modules/PX4Firmware fatal: Not a git repository: c:/Users/Salahuddin/ardupilot/modules/PX4NuttX/nuttx//../../.git/modules/modules/PX4NuttX Failed to get px4 hash Failed to get nuttx hash PX4 ArduCopter Firmware is in ArduCopter-v2.px4
  Is it normal? And if not, how can I solve it?
- And in the problems tab there are some errors and warning of "xxx could not be resolved"
  like "Function 'isnan'", "Symbol 'is_arithmetic'", "Symbol 'value'", I think something is wrong with AP_MATH library, right?
BTW, the second link is not working. It gave me this error
You don't have permission to access /Tools/PX4-tools/pixhawk_toolchain_installer_latest.exe on this server.
When I've tried "waf" in linux it worked like magic I think it's better than make. But as I couldn't navigate the code efficiently using (emacs + gtags) in linux I had to use eclipse and the only choice for eclipse (as I know) is the px4-toolchain in Windows, so I returned to Windows. so could you please tell me how to build using "waf" in Windows using console and eclipse (You can also add this to the wiki as there is nothing about it there)?
- I tried opening the cmd line and navigate to ardupilot, ./waf configure but it gave me '.' is not recognized as an internal or external command, operable program or batch file

jpkh · 2016-10-19T09:14:10Z

@SalahuddinAsh pixhawk toolchain error has been fixed on our system now. New file was missing permissions on satellite servers.

SalahuddinAsh · 2016-10-19T09:23:58Z

@jpkh Thanks for your reply
Ok, the link is working now. But I still have errors when building in eclipse. Is it normal? How can I eliminate them? How can I compile using "waf"?
Thanks

rmackay9 · 2016-10-19T10:32:14Z

@SalahuddinAsh, it looks like maybe you need to run "git submodule init" and "git submodule update --recursive" from the ardupilot directory.

SalahuddinAsh · 2016-10-19T10:55:11Z

@rmackay9 I've already done that yesterday and I also did it now but nothing changed :(

rmackay9 · 2016-10-19T11:19:10Z

@SalahuddinAsh, maybe you should join us on gitter. https://gitter.im/ArduPilot/ardupilot

Maybe try deleting ardupilot/modules/PX4Firmware.. and maybe all other directory in /ardupilot/modules.

lvale · 2016-10-19T13:18:15Z

I've tested with a clean Windows 10 install, and had no issues building with the latest toolchain

rmackay9 · 2016-10-20T01:59:46Z

@lvale, Thanks for testing! I'm going to close this issue then.

Embeddedkuba · 2017-02-21T11:10:18Z

I have still the same error 'No module named future' (after instaling python and packs (lxml&future) ) Is it possible, that the version of Python is wrong? My versions: Python34

khancyr · 2017-02-21T12:35:58Z

@Embeddedkuba please open a post on discuss about, detailling your config, what command you use and the error show !
Normally, it is working ..

rohts-patil · 2017-10-05T16:55:33Z

@Embeddedkuba I am facing the same issue. After installing future I still get No module named future.
Have you found out a solution?

tuloski · 2017-12-21T14:07:27Z

This is still an issue...

khancyr · 2017-12-21T14:35:28Z

Install future for Python2 not Python3

rmackay9 added the DevEnv label Oct 12, 2016

This was referenced Oct 13, 2016

Include error #4969

Closed

Error module future ArduPilot/pymavlink#25

Closed

Can't compile in Windows Make #4988

Closed

SalahuddinAsh mentioned this issue Oct 18, 2016

Can't compile in linux ardupilotmega/version.h: No such file or directory?? #4980

Closed

rmackay9 closed this as completed Oct 20, 2016

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Add lxml and future to Windows ToolChain #4966

Add lxml and future to Windows ToolChain #4966

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Add lxml and future to Windows ToolChain #4966

Add lxml and future to Windows ToolChain #4966

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