[PR #1004] [Fix] Compilation using cmake on linux #1808

New Issue

claunia · 2026-01-29T17:18:38Z

claunia commented

2026-01-29 17:18:38 +00:00

Original Pull Request: https://github.com/CCExtractor/ccextractor/pull/1004

State: closed
Merged: Yes

In raising this pull request, I confirm the following (please check boxes):

I have read and understood the contributors guide.
I have checked that another pull request for this purpose does not exist.
I have considered, and confirmed that this submission will be valuable to others.
I accept that this submission may not be used, and the pull request closed at the will of the maintainer.
I give this submission freely, and claim no ownership to its content.

My familiarity with the project is as follows (check one):

I have never used CCExtractor.
I have used CCExtractor just a couple of times.
I absolutely love CCExtractor, but have not contributed previously.
I am an active contributor to CCExtractor.

Linux Distribution Details:
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty

Failing cmake command:
cmake -DWITH_FFMPEG=ON ../src/

Passing cmake command:
cmake ../src/

Error Seen while compilation:
Linking C executable ccextractor
/usr/bin/ld: /usr/local/lib/libavformat.a(allformats.o): undefined reference to symbol 'pthread_once@@GLIBC_2.2.5'
//lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[2]: *** [ccextractor] Error 1
make[1]: *** [CMakeFiles/ccextractor.dir/all] Error 2
make: *** [all] Error 2

**Original Pull Request:** https://github.com/CCExtractor/ccextractor/pull/1004 **State:** closed **Merged:** Yes --- **In raising this pull request, I confirm the following (please check boxes):** - [x] I have read and understood the [contributors guide](https://github.com/CCExtractor/ccextractor/blob/master/.github/CONTRIBUTING.md). - [x] I have checked that another pull request for this purpose does not exist. - [x] I have considered, and confirmed that this submission will be valuable to others. - [x] I accept that this submission may not be used, and the pull request closed at the will of the maintainer. - [x] I give this submission freely, and claim no ownership to its content. **My familiarity with the project is as follows (check one):** - [ ] I have never used CCExtractor. - [ ] I have used CCExtractor just a couple of times. - [ ] I absolutely love CCExtractor, but have not contributed previously. - [x] I am an active contributor to CCExtractor. --- Linux Distribution Details: Distributor ID: Ubuntu Description: Ubuntu 14.04.5 LTS Release: 14.04 Codename: trusty Failing cmake command: cmake -DWITH_FFMPEG=ON ../src/ Passing cmake command: cmake ../src/ Error Seen while compilation: Linking C executable ccextractor /usr/bin/ld: /usr/local/lib/libavformat.a(allformats.o): undefined reference to symbol 'pthread_once@@GLIBC_2.2.5' //lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status make[2]: *** [ccextractor] Error 1 make[1]: *** [CMakeFiles/ccextractor.dir/all] Error 2 make: *** [all] Error 2

claunia added the pull-request label 2026-01-29 17:18:38 +00:00

claunia closed this issue

2026-01-29 17:18:38 +00:00

claunia referenced this issue

2026-01-29 17:22:43 +00:00

[PR #1808] [MERGED] fix(timing): correct caption start/end times to match video frame PTS #2547

claunia referenced this issue

2026-01-29 17:22:44 +00:00

[PR #1808] fix(timing): correct caption start/end times to match video frame PTS #2550

Sign in to join this conversation.