Determining if the include file sys/sdt.h exists failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_15e26/fast && gmake[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp' /usr/bin/gmake -f CMakeFiles/cmTC_15e26.dir/build.make CMakeFiles/cmTC_15e26.dir/build gmake[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_15e26.dir/CheckIncludeFile.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/powerpc-buildroot-linux-musl-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/powerpc-buildroot-linux-musl/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g1 -DNDEBUG -std=c11 -o CMakeFiles/cmTC_15e26.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp/CheckIncludeFile.c /home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: sys/sdt.h: No such file or directory 1 | #include | ^~~~~~~~~~~ compilation terminated. gmake[2]: *** [CMakeFiles/cmTC_15e26.dir/build.make:78: CMakeFiles/cmTC_15e26.dir/CheckIncludeFile.c.o] Error 1 gmake[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp' gmake[1]: *** [Makefile:127: cmTC_15e26/fast] Error 2 gmake[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp'