Determining if the futimes exist failed with the following output:
Change Dir: /tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_75c3b/fast && gmake[1]: Entering directory '/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp'
/usr/bin/gmake  -f CMakeFiles/cmTC_75c3b.dir/build.make CMakeFiles/cmTC_75c3b.dir/build
gmake[2]: Entering directory '/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_75c3b.dir/CheckSymbolExists.c.o
/tmp/instance-13/output-1/host/bin/armeb-buildroot-linux-uclibcgnueabi-gcc --sysroot=/tmp/instance-13/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O1 -g0  -static -D_DEFAULT_SOURCE   -DNDEBUG -o CMakeFiles/cmTC_75c3b.dir/CheckSymbolExists.c.o -c /tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'futimes' undeclared (first use in this function); did you mean 'lutimes'?
    8 |   return ((int*)(&futimes))[argc];
      |                   ^~~~~~~
      |                   lutimes
/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
gmake[2]: *** [CMakeFiles/cmTC_75c3b.dir/build.make:78: CMakeFiles/cmTC_75c3b.dir/CheckSymbolExists.c.o] Error 1
gmake[2]: Leaving directory '/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp'
gmake[1]: *** [Makefile:127: cmTC_75c3b/fast] Error 2
gmake[1]: Leaving directory '/tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp'


File /tmp/instance-13/output-1/build/libdeflate-1.15/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <sys/time.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef futimes
  return ((int*)(&futimes))[argc];
#else
  (void)argc;
  return 0;
#endif
}