Fix multiple find_package(Torch) calls - #8407

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swolchok merged 3 commits into
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fix-multiple-find-package-torch
Feb 12, 2025
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Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
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fix-multiple-find-package-torch

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@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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})();
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Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

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@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

Conversation

@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

Conversation

@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
@huydhn

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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

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@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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Fix multiple find_package(Torch) calls - #8407

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swolchok merged 3 commits into
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fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
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fix-multiple-find-package-torch

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@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
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pytorch-botBot commented Feb 12, 2025

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
@huydhn

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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

Conversation

@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
@pytorch-bot

pytorch-botBot commented Feb 12, 2025

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
@huydhn

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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

Fix multiple find_package(Torch) calls - #8407

Merged
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch
Feb 12, 2025
Merged

Fix multiple find_package(Torch) calls#8407
swolchok merged 3 commits into
mainfrom
fix-multiple-find-package-torch

Conversation

@huydhn

@huydhnhuydhn commented Feb 12, 2025

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While debugging the build issue on #8322 w.r.t mkl, I undercover a complex interaction between #8322, #8248 (to install mkl), and https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake from PyTorch. The error is as follows:

CMake Error at /opt/conda/envs/py_3.10/lib/cmake/mkl/MKLConfig.cmake:744 (add_library): <-- This file comes from conda mkl
add_library cannot create imported target "MKL::MKL" because another target
with the same name already exists.
Call Stack (most recent call first):
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/public/mkl.cmake:1 (find_package) <-- this is from PyTorch
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Caffe2/Caffe2Config.cmake:106 (include)
/opt/conda/envs/py_3.10/lib/python3.10/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package)
CMakeLists.txt:753 (find_package)

The conclusion is that, with mkl installed, there should be just one find_package(Torch) call because the mkl target is defined globally. The torch target, on the other hand, is only defined locally.

So, this change adds if(NOT TARGET torch) check to only call find_package(Torch) if needed.

Testing

The change on top of #8322 looks like this f705b01

https://github.com/pytorch/executorch/actions/runs/13278590926?pr=8399

@huydhn
huydhn requested a review from swolchokFebruary 12, 2025 05:22
@pytorch-bot

pytorch-botBot commented Feb 12, 2025

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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8407

Note: Links to docs will display an error until the docs builds have been completed.

✅ No Failures

As of commit 69105d0 with merge base 4e3a8bd (image):
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

@facebook-github-botfacebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Feb 12, 2025
@huydhn

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This issue looks strange though and I think it might better fix it upstream in https://github.com/pytorch/pytorch/blob/main/cmake/public/mkl.cmake. @malfet Have you seen this issue before?

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thank you!!!

@swolchok
swolchok merged commit 1308d4d into mainFeb 12, 2025
@swolchok
swolchok deleted the fix-multiple-find-package-torch branch February 12, 2025 17:27
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