# mediasoup-broadcaster-demo - build error with ld lib

**URL:** <https://mediasoup.discourse.group/t/mediasoup-broadcaster-demo-build-error-with-ld-lib/1509>\
**Category:** mediasoup libraries\
**Created:** [July 30, 2020, 2:04pm UTC](https://mediasoup.discourse.group/t/mediasoup-broadcaster-demo-build-error-with-ld-lib/1509 "2020-07-30T14:04:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![spiderman22](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/spiderman22/32/217_2.png) [@spiderman22](https://mediasoup.discourse.group/u/spiderman22)\
**Post date:** [July 30, 2020, 2:04pm UTC](https://mediasoup.discourse.group/t/mediasoup-broadcaster-demo-build-error-with-ld-lib/1509/1 "2020-07-30T14:04:16Z")

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While trying to build the project on ubnutu, I’m getting this error:  
`[86%] Linking CXX executable broadcaster /usr/bin/ld: /home/miha/webrtc_checkout/src/out/m84/obj/libwebrtc.a(latebindingsymboltable_linux.o): undefined reference to symbol 'dlclose@@GLIBC_2.2.5' /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/libdl.so: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status make[2]: ***[CMakeFiles/broadcaster.dir/build.make:141: broadcaster] Error 1 make[2]: Leaving directory '/home/miha/projects/mediasoup-broadcaster-demo/build' make[1]:*** [CMakeFiles/Makefile2:474: CMakeFiles/broadcaster.dir/all] Error 2 make[1]: Leaving directory '/home/miha/projects/mediasoup-broadcaster-demo/build' make: *** [Makefile:149: all] Error 2 make: Leaving directory '/home/miha/projects/mediasoup-broadcaster-demo/build'`

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**Author:** ![jmillan](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/jmillan/32/9_2.png) [@jmillan](https://mediasoup.discourse.group/u/jmillan)\
**Post date:** [July 30, 2020, 2:19pm UTC](https://mediasoup.discourse.group/t/mediasoup-broadcaster-demo-build-error-with-ld-lib/1509/2 "2020-07-30T14:19:09Z")

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Take a look to [this](https://mediasoup.discourse.group/t/build-errors-in-ubuntu-18-04-for-libmediasoupclient-and-mediasoup-boradcaster-demo/1351/5) post

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**Author:** ![spiderman22](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/spiderman22/32/217_2.png) [@spiderman22](https://mediasoup.discourse.group/u/spiderman22)\
**Post date:** [July 30, 2020, 3:10pm UTC](https://mediasoup.discourse.group/t/mediasoup-broadcaster-demo-build-error-with-ld-lib/1509/3 "2020-07-30T15:10:18Z")

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Worked! Amazing, tnx!