Can't get past CMake

[lukeseed]

Hi @pageauc ,

I've tried almost every way possible to get CV2 installed onto my rPi 0w and came across your scripts and am hoping they will get me over the hump.

I'm working my way through your menu and got to the cmake portion where the script failed after 1sec. It is saying it can't find the build folder though it clearly is there. Please see pics included. Hopefully you can help.

Thank you!

[pageauc]

Luke

Sorry for the delay. We are on our annual migration south.

pi zero can be problematic at the best of times. I need to do some testing. In the mean time try removing what you have using the DELETE option. This will clear the existing downloads and free space. Then edit the cv3-install-menu.conf file and change version to 3.4.8 Not sure if problem is with 4.1.0 on zero since it is complaining about the cmake directive. I am assuming you are using Raspbian Buster or Stretch.

Sorry about your frustration. Compiling from source can be problematic due to various RPI models, OS versions, Opencv versions, Etc, I wrote the script for myself and decided to share since I was frustrated with the large variety of manual install methods and the amount of cut and paste required. There is a pip install for opencv but only works for specific RPI models. https://pypi.org/project/opencv-python/ might be worth a try.

In the mean time I will do some testing. Regards Claude ...

On Fri, Nov 1, 2019 at 12:46 PM lukeseed notifications@github.com wrote:

Hi @pageauc https://github.com/pageauc ,

I've tried almost every way possible to get CV2 installed onto my rPi 0w and came across your scripts and am hoping they will get me over the hump.

I'm working my way through your menu and got to the cmake portion where the script failed after 1sec. It is saying it can't find the build folder though it clearly is there. Please see pics included. Hopefully you can help.

Thank you! [image: Image 1] https://user-images.githubusercontent.com/12753558/68044560-d1661b80-fc94-11e9-9e6b-1a246452a6c8.jpg [image: Image 2] https://user-images.githubusercontent.com/12753558/68044561-d1661b80-fc94-11e9-8efe-9999dc3f29cc.jpg [image: Image 3] https://user-images.githubusercontent.com/12753558/68044562-d1661b80-fc94-11e9-8910-47cef842cbdc.jpg [image: Image 4] https://user-images.githubusercontent.com/12753558/68044566-d1661b80-fc94-11e9-8336-9bad47ff3ce6.jpg [image: Image 5] https://user-images.githubusercontent.com/12753558/68044567-d1feb200-fc94-11e9-8822-8dd58549199b.jpg [image: Image 7] https://user-images.githubusercontent.com/12753558/68044569-d1feb200-fc94-11e9-9843-8d86b9e922a3.jpg

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[lukeseed]

Hi Claude,

I couldn't get the 3.4.8 to make after a "delete" and re-download of the source files. [image: image.png] Is it weird the .sh is saying "-- cmake Compile for Raspberry Pi 2"? Also, /home/pi/tmp_cv3/ does exist.

Thank you, Luke

ᐧ

On Sun, Nov 3, 2019 at 6:53 AM Claude Pageau notifications@github.com wrote:

Luke

Sorry for the delay. We are on our annual migration south.

pi zero can be problematic at the best of times. I need to do some testing. In the mean time try removing what you have using the DELETE option. This will clear the existing downloads and free space. Then edit the cv3-install-menu.conf file and change version to 3.4.8 Not sure if problem is with 4.1.0 on zero since it is complaining about the cmake directive. I am assuming you are using Raspbian Buster or Stretch.

Sorry about your frustration. Compiling from source can be problematic due to various RPI models, OS versions, Opencv versions, Etc, I wrote the script for myself and decided to share since I was frustrated with the large variety of manual install methods and the amount of cut and paste required. There is a pip install for opencv but only works for specific RPI models. https://pypi.org/project/opencv-python/ might be worth a try.

In the mean time I will do some testing. Regards Claude ...

On Fri, Nov 1, 2019 at 12:46 PM lukeseed notifications@github.com wrote:

Hi @pageauc https://github.com/pageauc ,

I've tried almost every way possible to get CV2 installed onto my rPi 0w and came across your scripts and am hoping they will get me over the hump.

I'm working my way through your menu and got to the cmake portion where the script failed after 1sec. It is saying it can't find the build folder though it clearly is there. Please see pics included. Hopefully you can help.

Thank you! [image: Image 1] < https://user-images.githubusercontent.com/12753558/68044560-d1661b80-fc94-11e9-9e6b-1a246452a6c8.jpg

[image: Image 2] < https://user-images.githubusercontent.com/12753558/68044561-d1661b80-fc94-11e9-8efe-9999dc3f29cc.jpg

[image: Image 3] < https://user-images.githubusercontent.com/12753558/68044562-d1661b80-fc94-11e9-8910-47cef842cbdc.jpg

[image: Image 4] < https://user-images.githubusercontent.com/12753558/68044566-d1661b80-fc94-11e9-8336-9bad47ff3ce6.jpg

[image: Image 5] < https://user-images.githubusercontent.com/12753558/68044567-d1feb200-fc94-11e9-8822-8dd58549199b.jpg

[image: Image 7] < https://user-images.githubusercontent.com/12753558/68044569-d1feb200-fc94-11e9-9843-8d86b9e922a3.jpg

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[pageauc]

Not sure what is going on but I could reproduce your problem on a RPI 4. Could not figure out why it was failing since it worked fine previously. Then decided to add directive section for RPI4 and modules directive was higher up per a reference from Adrian Rosebrock. Did same for RPI3 and 2 directives. Tested on my RPI4 and could run cmake. It may be that opencv changed something and the modules section has to be higher in the sequence now.
Please run menu UPGRADE menu pick and retry cmake option. Everything else can remain the same. I have not tested on RPI3 or 2. Let me know results

We are now in our southern winter texan residence and mostly unpacked and setup. Also was having a problem with a backup drive that had my github stuff on it but laptop was OK so used it. Thanks for your Patience

Claude ...

[lukeseed]

Hi Claude,

I did the .sh upgrade option, then deleted all files/directories, then re-downloaded source files, then tried cmake again and still came up with the same error. [image: image.png]

ᐧ

On Mon, Nov 4, 2019 at 4:28 PM Claude Pageau notifications@github.com wrote:

Not sure what is going on but I could reproduce your problem on a RPI 4. Could not figure out why it was failing since it worked fine previously. Then decided to add directive section for RPI4 and modules directive was higher up per a reference from Adrian Rosebrock. Did same for RPI3 and 2 directives. Tested on my RPI4 and could run cmake. It may be that opencv changed something and the modules section has to be higher in the sequence now. Please run menu UPGRADE menu pick and retry cmake option. Everything else can remain the same. I have not tested on RPI3 or 2. Let me know results

We are now in our southern winter texan residence and mostly unpacked and setup. Also was having a problem with a backup drive that had my github stuff on it but laptop was OK so used it. Thanks for your Patience

Claude ...

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[pageauc]

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

[lukeseed]

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau notifications@github.com wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[pageauc]

I meant the new cv2-install-menu.sh https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau notifications@github.com wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[lukeseed]

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau notifications@github.com wrote:

I meant the new cv2-install-menu.sh https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau notifications@github.com wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[lukeseed]

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau notifications@github.com wrote:

I meant the new cv2-install-menu.sh https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau notifications@github.com wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[pageauc]

Did you upgrade then exit cv3-install-menu.sh. After second restart and exit you should see ver 3.8 when you exit. If that is showing ver 3.8 then start cv3-install-menu.sh again and retry cmake of opencv.

Claude ...

On Wed, Nov 6, 2019 at 12:17 PM lukeseed notifications@github.com wrote:

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau notifications@github.com wrote:

I meant the new cv2-install-menu.sh

https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau < notifications@github.com> wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[lukeseed]

Claude,

I couldn't get the 3.3 menu to upgrade to 3.8. I ended up deleting all the cv3-setup files and downloaded cv files and re-running the bash setup. I'm now at menu 3.8. I'll go through the steps again and see where I end up! Thank you!

ᐧ

On Wed, Nov 6, 2019 at 1:44 PM Claude Pageau notifications@github.com wrote:

Did you upgrade then exit cv3-install-menu.sh. After second restart and exit you should see ver 3.8 when you exit. If that is showing ver 3.8 then start cv3-install-menu.sh again and retry cmake of opencv.

Claude ...

On Wed, Nov 6, 2019 at 12:17 PM lukeseed notifications@github.com wrote:

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau <notifications@github.com

wrote:

I meant the new cv2-install-menu.sh

https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau < notifications@github.com> wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <

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[lukeseed]

Claude, cmake seems to be running now. with only -j1 processors available, I'll be updating you in some tens of hours I believe. Stay tuned.

ᐧ

On Wed, Nov 6, 2019 at 1:52 PM Luke Seed lukeseed@artifexrde.com wrote:

Claude,

I couldn't get the 3.3 menu to upgrade to 3.8. I ended up deleting all the cv3-setup files and downloaded cv files and re-running the bash setup. I'm now at menu 3.8. I'll go through the steps again and see where I end up! Thank you!

ᐧ

On Wed, Nov 6, 2019 at 1:44 PM Claude Pageau notifications@github.com wrote:

Did you upgrade then exit cv3-install-menu.sh. After second restart and exit you should see ver 3.8 when you exit. If that is showing ver 3.8 then start cv3-install-menu.sh again and retry cmake of opencv.

Claude ...

On Wed, Nov 6, 2019 at 12:17 PM lukeseed notifications@github.com wrote:

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau < notifications@github.com> wrote:

I meant the new cv2-install-menu.sh

https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh

You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau < notifications@github.com> wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[lukeseed]

nvmd, cmake was quick and successful (I think). [image: image.png] gonna try make. This is probably going to take a while [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 2:40 PM Luke Seed lukeseed@artifexrde.com wrote:

Claude, cmake seems to be running now. with only -j1 processors available, I'll be updating you in some tens of hours I believe. Stay tuned.

ᐧ

On Wed, Nov 6, 2019 at 1:52 PM Luke Seed lukeseed@artifexrde.com wrote:

Claude,

I couldn't get the 3.3 menu to upgrade to 3.8. I ended up deleting all the cv3-setup files and downloaded cv files and re-running the bash setup. I'm now at menu 3.8. I'll go through the steps again and see where I end up! Thank you!

ᐧ

On Wed, Nov 6, 2019 at 1:44 PM Claude Pageau notifications@github.com wrote:

Did you upgrade then exit cv3-install-menu.sh. After second restart and exit you should see ver 3.8 when you exit. If that is showing ver 3.8 then start cv3-install-menu.sh again and retry cmake of opencv.

Claude ...

On Wed, Nov 6, 2019 at 12:17 PM lukeseed notifications@github.com wrote:

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau < notifications@github.com> wrote:

I meant the new cv2-install-menu.sh

https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh

You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed notifications@github.com wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau < notifications@github.com> wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[pageauc]

cmake does not take very long. make will take a long time with J1 but should be safer. I have turned off examples in cmake directive settings so that will help. Keep me updated. What version of cv are you compiling?

On Wed, Nov 6, 2019 at 4:51 PM lukeseed notifications@github.com wrote:

nvmd, cmake was quick and successful (I think). [image: image.png] gonna try make. This is probably going to take a while [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 2:40 PM Luke Seed lukeseed@artifexrde.com wrote:

Claude, cmake seems to be running now. with only -j1 processors available, I'll be updating you in some tens of hours I believe. Stay tuned.

ᐧ

On Wed, Nov 6, 2019 at 1:52 PM Luke Seed lukeseed@artifexrde.com wrote:

Claude,

I couldn't get the 3.3 menu to upgrade to 3.8. I ended up deleting all the cv3-setup files and downloaded cv files and re-running the bash setup. I'm now at menu 3.8. I'll go through the steps again and see where I end up! Thank you!

ᐧ

On Wed, Nov 6, 2019 at 1:44 PM Claude Pageau notifications@github.com wrote:

Did you upgrade then exit cv3-install-menu.sh. After second restart and exit you should see ver 3.8 when you exit. If that is showing ver 3.8 then start cv3-install-menu.sh again and retry cmake of opencv.

Claude ...

On Wed, Nov 6, 2019 at 12:17 PM lukeseed notifications@github.com wrote:

Hi Claude,

Same error [image: image.png]

ᐧ

On Wed, Nov 6, 2019 at 9:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Okay Claude,

I upgraded the installer sh. When opening it still says v3.3, I'm assuming that's just some text that didn't get updated.

I'm running the upgraded installer with cv 4.1.2. I'll let you know how it goes.

Thanks,

ᐧ

On Wed, Nov 6, 2019 at 9:37 AM Claude Pageau < notifications@github.com> wrote:

I meant the new cv2-install-menu.sh

https://github.com/pageauc/opencv3-setup/blob/master/cv3-install-menu.sh

You can upgrade using the menu, Restart and try the new menu. Hoping you can test. You can pick any ver of opencv. I used opencv release 4.1.2 valid release numbers of opencv are here https://github.com/opencv/opencv/releases Anyway it is the new menu version that needs testing Thanks Claude ...

On Wed, Nov 6, 2019 at 11:26 AM lukeseed < notifications@github.com> wrote:

Hi Claude,

I couldn't find any CV repositories of "3.8". From the message it sounded like you wanted an older version than 3.4.8 which we tried before so I'm currently trying 3.4.0. I'll update you on progress, let me know if you wanted another version to try.

ᐧ

On Wed, Nov 6, 2019 at 2:11 AM Claude Pageau < notifications@github.com> wrote:

Luke Try upgrade to Release 3.8. I believe problem is with directives and simplified to an older version. Have not had a chance to test and would appreciate if you could test this release for me since I am still doing some unpacking and other honey do list items.

Thanks Claude ...

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[pageauc]

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

[lukeseed]

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau notifications@github.com wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[lukeseed]

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau notifications@github.com wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub https://github.com/pageauc/opencv3-setup/issues/4?email_source=notifications&email_token=ADBJVFQUDESVGFD2FNVL77LQSNGNTA5CNFSM4JH57JL2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEDIKWAY#issuecomment-550546179, or unsubscribe https://github.com/notifications/unsubscribe-auth/ADBJVFQXQCACYSGZM6Y2CBDQSNGNTANCNFSM4JH57JLQ .

[pageauc]

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau notifications@github.com wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[lukeseed]

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau notifications@github.com wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau <notifications@github.com

wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[lukeseed]

ok, so install was completed and I rebooted the pi. When I went to check cv2 import I got some errors that prevented import [image: image.png]

Any thoughts here? Was install successful?

On Fri, Nov 8, 2019 at 8:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau notifications@github.com wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau < notifications@github.com> wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[pageauc]

Could not see image you sent. Did make (compile) finish at 100%. You could try a compile again. Note make will not rerun completely as long as you do not do a cmake again.. On Menu select compile then MAKE 2 Run/Continue ..... It should not take a long time since you already compiled code so it should quickly go through source and check. Look for any errors. If compile comes back successful then run Install again, Reboot and try import again. Make sure you have enough free space available.

df -h

Claude ...

On Fri, Nov 8, 2019 at 11:09 AM lukeseed notifications@github.com wrote:

ok, so install was completed and I rebooted the pi. When I went to check cv2 import I got some errors that prevented import [image: image.png]

Any thoughts here? Was install successful?

On Fri, Nov 8, 2019 at 8:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau notifications@github.com wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau < notifications@github.com> wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[lukeseed]

Claude,

went through make again and tried importing cv2 again.

@raspberrypi:~ $ python3 Python 3.7.3 (default, Apr 3 2019, 05:39:12) [GCC 8.2.0] on linux Type "help", "copyright", "credits" or "license" for more information.

import cv2 Traceback (most recent call last): File "", line 1, in File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 89, in bootstrap() File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 79, in bootstrap import cv2 ImportError: /usr/local/lib/python3.7/dist-packages/cv2/python-3.7/ cv2.cpython-37m-arm-linux-gnueabihf.so: undefined symbol: _ZTIN2cv3dnn14dnn4_v201901225LayerE

I feel like I'm really close just something isn't working just right. File Manager says I have 41.2Gb free I changed the swap file size from 2048 to 8192, still didn't help with the import. ᐧ

On Fri, Nov 8, 2019 at 11:31 AM Claude Pageau notifications@github.com wrote:

Could not see image you sent. Did make (compile) finish at 100%. You could try a compile again. Note make will not rerun completely as long as you do not do a cmake again.. On Menu select compile then MAKE 2 Run/Continue ..... It should not take a long time since you already compiled code so it should quickly go through source and check. Look for any errors. If compile comes back successful then run Install again, Reboot and try import again. Make sure you have enough free space available.

df -h

Claude ...

On Fri, Nov 8, 2019 at 11:09 AM lukeseed notifications@github.com wrote:

ok, so install was completed and I rebooted the pi. When I went to check cv2 import I got some errors that prevented import [image: image.png]

Any thoughts here? Was install successful?

On Fri, Nov 8, 2019 at 8:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau <notifications@github.com

wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed lukeseed@artifexrde.com wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau < notifications@github.com> wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[pageauc]

It won't be swap file. I would put swap back to stock 100 setting. Seems like a corrupt file or something.

Found this issue https://github.com/opencv/opencv/issues/13202 and https://github.com/opencv/opencv/issues/13226

Claude ...

On Fri, Nov 8, 2019 at 4:32 PM lukeseed notifications@github.com wrote:

Claude,

went through make again and tried importing cv2 again.

@raspberrypi:~ $ python3 Python 3.7.3 (default, Apr 3 2019, 05:39:12) [GCC 8.2.0] on linux Type "help", "copyright", "credits" or "license" for more information.

import cv2 Traceback (most recent call last): File "", line 1, in File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 89, in bootstrap() File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 79, in bootstrap import cv2 ImportError: /usr/local/lib/python3.7/dist-packages/cv2/python-3.7/ cv2.cpython-37m-arm-linux-gnueabihf.so: undefined symbol: _ZTIN2cv3dnn14dnn4_v201901225LayerE

I feel like I'm really close just something isn't working just right. File Manager says I have 41.2Gb free I changed the swap file size from 2048 to 8192, still didn't help with the import. ᐧ

On Fri, Nov 8, 2019 at 11:31 AM Claude Pageau notifications@github.com wrote:

Could not see image you sent. Did make (compile) finish at 100%. You could try a compile again. Note make will not rerun completely as long as you do not do a cmake again.. On Menu select compile then MAKE 2 Run/Continue ..... It should not take a long time since you already compiled code so it should quickly go through source and check. Look for any errors. If compile comes back successful then run Install again, Reboot and try import again. Make sure you have enough free space available.

df -h

Claude ...

On Fri, Nov 8, 2019 at 11:09 AM lukeseed notifications@github.com wrote:

ok, so install was completed and I rebooted the pi. When I went to check cv2 import I got some errors that prevented import [image: image.png]

Any thoughts here? Was install successful?

On Fri, Nov 8, 2019 at 8:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau < notifications@github.com

wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed notifications@github.com wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed <lukeseed@artifexrde.com

wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau < notifications@github.com> wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[pageauc]

Does error occur with python 3 and python2 or just one? Looks like problem may be due to a bug.

I installed 4.1.2 on RPI4 Buster and opencv imports OK on both python 2 & 3

On Fri, Nov 8, 2019 at 6:17 PM Claude Pageau pageauc@gmail.com wrote:

It won't be swap file. I would put swap back to stock 100 setting. Seems like a corrupt file or something.

Found this issue https://github.com/opencv/opencv/issues/13202 and https://github.com/opencv/opencv/issues/13226

Claude ...

On Fri, Nov 8, 2019 at 4:32 PM lukeseed notifications@github.com wrote:

Claude,

went through make again and tried importing cv2 again.

@raspberrypi:~ $ python3 Python 3.7.3 (default, Apr 3 2019, 05:39:12) [GCC 8.2.0] on linux Type "help", "copyright", "credits" or "license" for more information.

import cv2 Traceback (most recent call last): File "", line 1, in File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 89, in bootstrap() File "/usr/local/lib/python3.7/dist-packages/cv2/init.py", line 79, in bootstrap import cv2 ImportError: /usr/local/lib/python3.7/dist-packages/cv2/python-3.7/ cv2.cpython-37m-arm-linux-gnueabihf.so: undefined symbol: _ZTIN2cv3dnn14dnn4_v201901225LayerE

I feel like I'm really close just something isn't working just right. File Manager says I have 41.2Gb free I changed the swap file size from 2048 to 8192, still didn't help with the import. ᐧ

On Fri, Nov 8, 2019 at 11:31 AM Claude Pageau notifications@github.com wrote:

Could not see image you sent. Did make (compile) finish at 100%. You could try a compile again. Note make will not rerun completely as long as you do not do a cmake again.. On Menu select compile then MAKE 2 Run/Continue ..... It should not take a long time since you already compiled code so it should quickly go through source and check. Look for any errors. If compile comes back successful then run Install again, Reboot and try import again. Make sure you have enough free space available.

df -h

Claude ...

On Fri, Nov 8, 2019 at 11:09 AM lukeseed notifications@github.com wrote:

ok, so install was completed and I rebooted the pi. When I went to check cv2 import I got some errors that prevented import [image: image.png]

Any thoughts here? Was install successful?

On Fri, Nov 8, 2019 at 8:50 AM Luke Seed lukeseed@artifexrde.com wrote:

Hey Claude! looks like compile was successful. Proceeding to installation [image: image.png]

On Thu, Nov 7, 2019 at 9:15 AM Claude Pageau < notifications@github.com

wrote:

Yeh it takes a long time on single core. Been there done that.... That's why testing is a bitch ... Claude ....

On Thu, Nov 7, 2019 at 11:03 AM lukeseed <notifications@github.com

wrote:

Claude, make is still running,80%.

ᐧ

On Wed, Nov 6, 2019 at 3:37 PM Luke Seed < lukeseed@artifexrde.com> wrote:

Its still chugging along at 3%. I believe I have dphys-swapfile at either 1024 or 2048, can't remember what I previously set it to. I've also incorporated the entire SD card into the OS partition I think.

ᐧ

On Wed, Nov 6, 2019 at 3:20 PM Claude Pageau < notifications@github.com> wrote:

RPI zero only has 512 mb ram memory so single processor is used since multi processor make needs more memory. I am assuming you have GUI desktop turned OFF to save memory during make but might be OK. Swap is 1024 mb. If make runs out of memory then you could always increase swap by editing dphys-swapfile.1024 file. Claude ...

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[pageauc]

Can you try the following

cd /usr/local/lib/python3.7/site-packages/cv2/python-3.7
sudo mv cv2.cpython-37m-arm-linux-gnueabihf.so cv2.so

This was taken from https://www.pyimagesearch.com/2019/09/16/install-opencv-4-on-raspberry-pi-4-and-raspbian-buster/

It would appear you ran into a path bug where the compile worked but cv2.so was not created. Maybe due to other failed tries. Not sure. Obviously you are not alone with this issue. I highlighted your error the right clicked and did a Search google for.

ImportError: /usr/local/lib/python3.7/dist-packages/cv2/python-3.7/ cv2.cpython-37m-arm-linux-gnueabihf.so: undefined symbol: _ZTIN2cv3dnn14dnn4_v201901225LayerE

[pageauc]

Check in /usr/local/lib/python3.7/dist-packages

/usr/local/lib/python3.7/dist-packages

You should see a file called

dlib.cpython-37m-arm-linux-gnueabihf.so

This is the output file from opencv compile that should be linked to cv2.so

cd /usr/local/lib/python3.7/dist-packages/cv2/python-3.7
sudo mv cv2.cpython-37m-arm-linux-gnueabihf.so cv2.so

Give that a try and see if it works. Also try reboot to be safe. Let me know if problem is with python 2 and 3

[pageauc]

Also let me know contents of

ls /usr/local/lib/python3.7/dist-packages/cv2/python-3.7

[lukeseed]

Claude,

I did that with the following results [image: image.png]

there was another file in this folder before I ran the above commands but now the folder looks like this [image: image.png]

I'm still getting the same error, for python2 or 3, when trying to import cv2 [image: image.png]

ᐧ

On Sat, Nov 9, 2019 at 12:02 AM Claude Pageau notifications@github.com wrote:

Also let me know contents of

ls /usr/local/lib/python3.7/dist-packages/cv2/python-3.7

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[pageauc]

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

[lukeseed]

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau notifications@github.com wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

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[pageauc]

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed notifications@github.com wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau notifications@github.com wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

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[lukeseed]

okay, did the uninstall.

You mentioned

Note this should not remove the existing make files and loose your compile

doesn't the below command in that tutorial remove anything with openCV in the name? also, the tutorial asks to delete the entire open CV4 and contrib folders. Doesn't that remove the make files? sudo find / -name "opencv" -exec rm -i {} \;

Just want to make sure I'm not doing anything wrong. Thank you.

ᐧ

On Mon, Nov 11, 2019 at 10:25 AM Claude Pageau notifications@github.com wrote:

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed notifications@github.com wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau <notifications@github.com

wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

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[pageauc]

Do not remove the existing folders in the tmp_cv3 folder. Just do the make uninstall steps. Rerun compile and then make install and see if it works. make uninstall just removes the Operating system files, Not the opencv build files. Claude ...

On Mon, Nov 11, 2019 at 12:57 PM lukeseed notifications@github.com wrote:

okay, did the uninstall.

You mentioned

Note this should not remove the existing make files and loose your compile

doesn't the below command in that tutorial remove anything with openCV in the name? also, the tutorial asks to delete the entire open CV4 and contrib folders. Doesn't that remove the make files? sudo find / -name "opencv" -exec rm -i {} \;

Just want to make sure I'm not doing anything wrong. Thank you.

ᐧ

On Mon, Nov 11, 2019 at 10:25 AM Claude Pageau notifications@github.com wrote:

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed notifications@github.com wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau < notifications@github.com

wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <

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[lukeseed]

Claude, no go. I got this error again [image: image.png]

I'm going to reflash rasbian onto the microSD card and only go through your menu setup to see what a fresh install yields. There might be too many issues with repeated install attempts.

ᐧ

On Mon, Nov 11, 2019 at 6:55 PM Claude Pageau notifications@github.com wrote:

Do not remove the existing folders in the tmp_cv3 folder. Just do the make uninstall steps. Rerun compile and then make install and see if it works. make uninstall just removes the Operating system files, Not the opencv build files. Claude ...

On Mon, Nov 11, 2019 at 12:57 PM lukeseed notifications@github.com wrote:

okay, did the uninstall.

You mentioned

Note this should not remove the existing make files and loose your compile

doesn't the below command in that tutorial remove anything with openCV in the name? also, the tutorial asks to delete the entire open CV4 and contrib folders. Doesn't that remove the make files? sudo find / -name "opencv" -exec rm -i {} \;

Just want to make sure I'm not doing anything wrong. Thank you.

ᐧ

On Mon, Nov 11, 2019 at 10:25 AM Claude Pageau <notifications@github.com

wrote:

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed notifications@github.com wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau < notifications@github.com

wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <

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[lukeseed]

Claude,

Success!! After a fresh Rasbian flash, a new CV3_setup install, and 2136min of cmake later, I'm finally able to import cv2 to the Rasberry Pi Zero W. Looks like there were too many conflicting install problems after all.

[image: Image 1.jpg] [image: Image 2.jpg] thanks for all your help. Yours has been the only solution to getting CV2 onto my rPi0w

On Tue, Nov 12, 2019 at 9:48 AM Luke Seed lukeseed@artifexrde.com wrote:

Claude, no go. I got this error again [image: image.png]

I'm going to reflash rasbian onto the microSD card and only go through your menu setup to see what a fresh install yields. There might be too many issues with repeated install attempts.

ᐧ

On Mon, Nov 11, 2019 at 6:55 PM Claude Pageau notifications@github.com wrote:

Do not remove the existing folders in the tmp_cv3 folder. Just do the make uninstall steps. Rerun compile and then make install and see if it works. make uninstall just removes the Operating system files, Not the opencv build files. Claude ...

On Mon, Nov 11, 2019 at 12:57 PM lukeseed notifications@github.com wrote:

okay, did the uninstall.

You mentioned

Note this should not remove the existing make files and loose your compile

doesn't the below command in that tutorial remove anything with openCV in the name? also, the tutorial asks to delete the entire open CV4 and contrib folders. Doesn't that remove the make files? sudo find / -name "opencv" -exec rm -i {} \;

Just want to make sure I'm not doing anything wrong. Thank you.

ᐧ

On Mon, Nov 11, 2019 at 10:25 AM Claude Pageau < notifications@github.com> wrote:

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed notifications@github.com wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau < notifications@github.com

wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

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Ok Thanks for the feedback. Claude ...

On Fri, Nov 15, 2019 at 11:13 AM lukeseed notifications@github.com wrote:

Claude,

Success!! After a fresh Rasbian flash, a new CV3_setup install, and 2136min of cmake later, I'm finally able to import cv2 to the Rasberry Pi Zero W. Looks like there were too many conflicting install problems after all.

[image: Image 1.jpg] [image: Image 2.jpg] thanks for all your help. Yours has been the only solution to getting CV2 onto my rPi0w

On Tue, Nov 12, 2019 at 9:48 AM Luke Seed lukeseed@artifexrde.com wrote:

Claude, no go. I got this error again [image: image.png]

I'm going to reflash rasbian onto the microSD card and only go through your menu setup to see what a fresh install yields. There might be too many issues with repeated install attempts.

ᐧ

On Mon, Nov 11, 2019 at 6:55 PM Claude Pageau notifications@github.com wrote:

Do not remove the existing folders in the tmp_cv3 folder. Just do the make uninstall steps. Rerun compile and then make install and see if it works. make uninstall just removes the Operating system files, Not the opencv build files. Claude ...

On Mon, Nov 11, 2019 at 12:57 PM lukeseed notifications@github.com wrote:

okay, did the uninstall.

You mentioned

Note this should not remove the existing make files and loose your compile

doesn't the below command in that tutorial remove anything with openCV in the name? also, the tutorial asks to delete the entire open CV4 and contrib folders. Doesn't that remove the make files? sudo find / -name "opencv" -exec rm -i {} \;

Just want to make sure I'm not doing anything wrong. Thank you.

ᐧ

On Mon, Nov 11, 2019 at 10:25 AM Claude Pageau < notifications@github.com> wrote:

Yes use the build folder /home/pi/tmp_cv3/opencv-4.1.0/build then do the uninstall steps. Claude ...

On Mon, Nov 11, 2019 at 11:32 AM lukeseed <notifications@github.com

wrote:

Claude,

The first step says

I hope you have a folder which you run cmake command to OpenCV? In my case, I created a folder name release to put builds. open Terminal on that location (or go to that place using Terminal). Now run below command.

sudo make uninstall

I'm assuming the folder I need to execute the make uninstall is here? /home/pi/tmp_cv3/opencv-4.1.0/build

ᐧ

On Sun, Nov 10, 2019 at 11:34 PM Claude Pageau < notifications@github.com

wrote:

OK Uninistall the current make install. Note this should not remove the existing make files and loose your compile. See link

https://answers.opencv.org/question/194106/uninstalling-opencv-400-to-34/

Stop where at where it says to verify that it was completely removed. after step pkg-config --modversion opencv

Try another make install. You should be able to use menu to do this. I suggest you repeat compile step. It should be fast since you still have your original compile. Make sure it completes OK the continue with make install step. Reboot and try again. Claude ...

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