Linux OPENGL NOT FOUND CMake Warning: Manually-specified variables were not used by the project: BULLET2_USE_THREAD_LOCKS CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR /home/conan/w/cci_PR-4678/.conan/data/bullet3/3.08/_/_/build/c504c67933d514fc146c38d6f062b33cd27ad91d/source_subfolder/src/BulletSoftBody/btSoftBodyHelpers.cpp:750:54: warning: implicit conversion from 'int' to 'float' changes value from 2147483647 to 2147483648 [-Wimplicit-int-float-conversion] btScalar pert = perturbation * btScalar(rand()) / RAND_MAX; ~ ^~~~~~~~ /usr/include/stdlib.h:86:18: note: expanded from macro 'RAND_MAX' #define RAND_MAX 2147483647 ^~~~~~~~~~ /home/conan/w/cci_PR-4678/.conan/data/bullet3/3.08/_/_/build/c504c67933d514fc146c38d6f062b33cd27ad91d/source_subfolder/src/BulletSoftBody/btSoftBodyHelpers.cpp:754:45: warning: implicit conversion from 'int' to 'float' changes value from 2147483647 to 2147483648 [-Wimplicit-int-float-conversion] pert = perturbation * btScalar(rand()) / RAND_MAX; ~ ^~~~~~~~ /usr/include/stdlib.h:86:18: note: expanded from macro 'RAND_MAX' #define RAND_MAX 2147483647 ^~~~~~~~~~ 2 warnings generated. CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR