Add .gitignore #211

1. 
   Sjors commented at 10:21 am on September 10, 2025: member
2. 
   DrahtBot commented at 10:21 am on September 10, 2025: none

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   ACK	hebasto, Eunovo

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3. 
   Sjors commented at 10:22 am on September 10, 2025: member

   In addition to the build directory, which is created when following the default instructions, I also like to keep .patch files around. Though the latter might be more suitable for machine-specific global git exclude.
4. in .gitignore:2 in 61b3c24867 outdated

   0@@ -0,0 +1,5 @@
   1+# CMake artifacts
   2+build
   

   ---

   ---

   

   hebasto commented at 10:25 am on September 10, 2025:

   The following pattern handles more cases, including ones specific to some IDEs:

   0/*build*
   

   ---

   

   Sjors commented at 11:56 am on September 10, 2025:

   Thanks taken.
5. Add .gitignore

   Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>

   15d7bafbb0
6. Sjors force-pushed on Sep 10, 2025
7. hebasto approved
8. 
   hebasto commented at 12:19 pm on September 15, 2025: member

   ACK 15d7bafbb00122822430a64cc2b4268012e3ff6f.
9. 
   Eunovo commented at 2:08 pm on September 15, 2025: contributor

   ACK https://github.com/bitcoin-core/libmultiprocess/pull/211/commits/15d7bafbb00122822430a64cc2b4268012e3ff6f I currently modify the .git/info/exclude file to ignore the build folders. This .gitignore file is very much welcome.
10. ryanofsky merged this on Sep 17, 2025
11. ryanofsky closed this on Sep 17, 2025

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12. ryanofsky referenced this in commit 535fa0ad0d on Sep 17, 2025
13. fanquake referenced this in commit edb871cba2 on Sep 19, 2025
14. Sjors referenced this in commit 132621fc01 on Sep 23, 2025
15. ryanofsky referenced this in commit 5bb3cbdfba on Oct 2, 2025
16. ryanofsky referenced this in commit abcd4c4ff9 on Oct 7, 2025
17. fanquake referenced this in commit a14e7b9dee on Oct 16, 2025

Contributors
Sjors DrahtBot hebasto Eunovo