CMake Warning: Manually-specified variables were not used by the project: CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR /usr/bin/ld: cannot find -lGL collect2: error: ld returned 1 exit status make[2]: *** [lin64/gcc/libd/libTKService.so.7.5.0] Error 1 make[1]: *** [src/TKService/CMakeFiles/TKService.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [all] Error 2 WARN: fontconfig/2.13.92: requirement freetype/2.10.4 overridden by tk/8.6.10 to freetype/2.10.2 occt/7.5.0: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-4094/.conan/data/occt/7.5.0/_/_/build/253ba4f4794462d5f0d884b3ec38901658c76fbf occt/7.5.0: ERROR: Package '253ba4f4794462d5f0d884b3ec38901658c76fbf' build failed occt/7.5.0: WARN: Build folder /home/conan/w/cci_PR-4094/.conan/data/occt/7.5.0/_/_/build/253ba4f4794462d5f0d884b3ec38901658c76fbf ERROR: occt/7.5.0: Error in build() method, line 78 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4094/.conan/data/occt/7.5.0/_/_/build/253ba4f4794462d5f0d884b3ec38901658c76fbf' '--' '-j3'