Determining if the include file sys/sdt.h exists failed with the following output:
Change Dir: /home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp

Run Build Command(s):/home/autobuild/make/make -f Makefile cmTC_5e7ec/fast && make[1]: Entering directory '/home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp'
/home/autobuild/make/make  -f CMakeFiles/cmTC_5e7ec.dir/build.make CMakeFiles/cmTC_5e7ec.dir/build
make[2]: Entering directory '/home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_5e7ec.dir/CheckIncludeFile.c.o
/home/autobuild/autobuild/instance-8/output-1/host/bin/powerpc-buildroot-linux-gnu-gcc --sysroot=/home/autobuild/autobuild/instance-8/output-1/host/powerpc-buildroot-linux-gnu/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O3 -g0 -D_FORTIFY_SOURCE=1   -DNDEBUG -std=c11 -o CMakeFiles/cmTC_5e7ec.dir/CheckIncludeFile.c.o -c /home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/home/autobuild/autobuild/instance-8/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 <sys/sdt.h>
      |          ^~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_5e7ec.dir/build.make:78: CMakeFiles/cmTC_5e7ec.dir/CheckIncludeFile.c.o] Error 1
make[2]: Leaving directory '/home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:127: cmTC_5e7ec/fast] Error 2
make[1]: Leaving directory '/home/autobuild/autobuild/instance-8/output-1/build/zlib-ng-2.1.3/CMakeFiles/CMakeTmp'