Determining if the include file process.h exists failed with the following output:
Change Dir: /nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_a4a88/fast && make[1]: Entering directory '/nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_a4a88.dir/build.make CMakeFiles/cmTC_a4a88.dir/build
make[2]: Entering directory '/nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_a4a88.dir/CheckIncludeFile.cxx.o
/nvme/rc-buildroot-test/scripts/instance-0/output-1/host/bin/xtensa-buildroot-linux-uclibc-g++ --sysroot=/nvme/rc-buildroot-test/scripts/instance-0/output-1/host/xtensa-buildroot-linux-uclibc/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -mlongcalls -mauto-litpools -Os   -DNDEBUG   -o CMakeFiles/cmTC_a4a88.dir/CheckIncludeFile.cxx.o -c /nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp/CheckIncludeFile.cxx
/nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp/CheckIncludeFile.cxx:1:10: fatal error: process.h: No such file or directory
    1 | #include <process.h>
      |          ^~~~~~~~~~~
compilation terminated.
CMakeFiles/cmTC_a4a88.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_a4a88.dir/CheckIncludeFile.cxx.o' failed
make[2]: *** [CMakeFiles/cmTC_a4a88.dir/CheckIncludeFile.cxx.o] Error 1
make[2]: Leaving directory '/nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_a4a88/fast' failed
make[1]: *** [cmTC_a4a88/fast] Error 2
make[1]: Leaving directory '/nvme/rc-buildroot-test/scripts/instance-0/output-1/build/exiv2-0.27.3/CMakeFiles/CMakeTmp'