Determining if the include file immintrin.h exists failed with the following output: Change Dir: /usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/gmake cmTC_6463a/fast && gmake[1]: Entering directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp' /usr/bin/gmake -f CMakeFiles/cmTC_6463a.dir/build.make CMakeFiles/cmTC_6463a.dir/build gmake[2]: Entering directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_6463a.dir/CheckIncludeFile.c.o /usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG -o CMakeFiles/cmTC_6463a.dir/CheckIncludeFile.c.o -c /usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp/CheckIncludeFile.c /usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:23: fatal error: immintrin.h: No such file or directory #include ^ compilation terminated. gmake[2]: *** [CMakeFiles/cmTC_6463a.dir/CheckIncludeFile.c.o] Error 1 gmake[2]: Leaving directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp' gmake[1]: *** [cmTC_6463a/fast] Error 2 gmake[1]: Leaving directory `/usr/lfs/hdd_v1/rc-buildroot-test/scripts/instance-0/output-1/build/minizip-2.10.0/CMakeFiles/CMakeTmp'