Determining if files xlocale.h exist failed with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e5bf1/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e5bf1.dir/build.make CMakeFiles/cmTC_e5bf1.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_e5bf1.dir/HAVE_XLOCALE_H.c.o
/data/buildroot-test/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/x86_64-buildroot-linux-musl/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG   -o CMakeFiles/cmTC_e5bf1.dir/HAVE_XLOCALE_H.c.o   -c /data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CheckIncludeFiles/HAVE_XLOCALE_H.c
/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CheckIncludeFiles/HAVE_XLOCALE_H.c:2:10: fatal error: xlocale.h: No such file or directory
 #include <xlocale.h>
          ^~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_e5bf1.dir/build.make:66: CMakeFiles/cmTC_e5bf1.dir/HAVE_XLOCALE_H.c.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_e5bf1/fast] Error 2
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'


Source:
/* */
#include <xlocale.h>


int main(void){return 0;}

Performing C++ SOURCE FILE Test _SSL_LEAK_SUPPRESS_AVAILABLE failed with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_5f27d/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_5f27d.dir/build.make CMakeFiles/cmTC_5f27d.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_5f27d.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/x86_64-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/x86_64-buildroot-linux-musl/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic -std=c++11 -fno-strict-aliasing -D_SSL_LEAK_SUPPRESS_AVAILABLE  -DNDEBUG   -o CMakeFiles/cmTC_5f27d.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp/src.cxx
In file included from /data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp/src.cxx:2:
/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()':
/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp/src.cxx:5:9: error: expected id-expression before 'while'
       ::SSL_COMP_free_compression_methods();
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [CMakeFiles/cmTC_5f27d.dir/build.make:66: CMakeFiles/cmTC_5f27d.dir/src.cxx.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_5f27d/fast] Error 2
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/libcpprestsdk-2.10.16/Release/CMakeFiles/CMakeTmp'


Source file was:

      #include <openssl/ssl.h>
      int main()
      {
      ::SSL_COMP_free_compression_methods();
      }