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 /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/mcp3422.c: In function ‘waitForConversion’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/mcp3422.c:50:5: warning: ignoring return value of ‘read’, declared with attribute warn_unused_result [-Wunused-result] 50 | read (fd, buffer, n) ; | ^~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pcf8591.c: In function ‘myAnalogWrite’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pcf8591.c:44:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] 44 | write (node->fd, b, 2) ; | ^~~~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c: In function ‘myAnalogRead’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c:50:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 50 | int *ptr = (int *)node->data0 ; | ^ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c: In function ‘myAnalogWrite’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c:59:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 59 | int *ptr = (int *)node->data0 ; | ^ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c: In function ‘pseudoPinsSetup’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/pseudoPins.c:89:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 89 | node->data0 = (unsigned int)ptr ; | ^ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c: In function ‘digitalRead’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c:1545:7: warning: ignoring return value of ‘read’, declared with attribute warn_unused_result [-Wunused-result] 1545 | read (sysFds [pin], &c, 1) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c: In function ‘digitalWrite’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c:1607:4: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] 1607 | write (sysFds [pin], "0\n", 2) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c:1609:4: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] 1609 | write (sysFds [pin], "1\n", 2) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c: In function ‘waitForInterrupt’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c:1914:11: warning: ignoring return value of ‘read’, declared with attribute warn_unused_result [-Wunused-result] 1914 | (void)read (fd, &c, 1) ; // Read & clear | ^~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c: In function ‘wiringPiISR’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringPi.c:2030:5: warning: ignoring return value of ‘read’, declared with attribute warn_unused_result [-Wunused-result] 2030 | read (sysFds [bcmGpioPin], &c, 1) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringSerial.c: In function ‘serialPutchar’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringSerial.c:158:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] 158 | write (fd, &c, 1) ; | ^~~~~~~~~~~~~~~~~ /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringSerial.c: In function ‘serialPuts’: /home/conan/w/cci_PR-4118/.conan/data/wiringpi/2.50/_/_/build/df8be3dec35fc6192abfc5ed81dd40d5d651fc7b/source_subfolder/wiringPi/wiringSerial.c:170:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] 170 | write (fd, s, strlen (s)) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~ CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY