Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_bf4cc/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_bf4cc.dir/build.make CMakeFiles/cmTC_bf4cc.dir/build
make[2]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_bf4cc.dir/src.c.o
/tmp/instance-1/output-1/host/bin/nds32le-linux-gcc --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG   -o CMakeFiles/cmTC_bf4cc.dir/src.c.o   -c /tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_bf4cc
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_bf4cc.dir/link.txt --verbose=1
/tmp/instance-1/output-1/host/bin/nds32le-linux-gcc --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG    CMakeFiles/cmTC_bf4cc.dir/src.c.o  -o cmTC_bf4cc 
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: CMakeFiles/cmTC_bf4cc.dir/src.c.o: in function `main':
src.c:(.text.startup+0x2e): undefined reference to `pthread_create'
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: /tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: DWARF error: found dwarf version '28', this reader only handles version 2, 3, 4 and 5 information
src.c:(.text.startup+0x32): undefined reference to `pthread_create'
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: /tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: DWARF error: found dwarf version '1857', this reader only handles version 2, 3, 4 and 5 information
src.c:(.text.startup+0x40): undefined reference to `pthread_detach'
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: src.c:(.text.startup+0x44): undefined reference to `pthread_detach'
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: src.c:(.text.startup+0x54): undefined reference to `pthread_join'
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: src.c:(.text.startup+0x58): undefined reference to `pthread_join'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_bf4cc.dir/build.make:87: cmTC_bf4cc] Error 1
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Source file was:
#include <pthread.h>

void* test_func(void* data)
{
  return data;
}

int main(void)
{
  pthread_t thread;
  pthread_create(&thread, NULL, test_func, NULL);
  pthread_detach(thread);
  pthread_join(thread, NULL);
  pthread_atfork(NULL, NULL, NULL);
  pthread_exit(NULL);

  return 0;
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_d5f68/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_d5f68.dir/build.make CMakeFiles/cmTC_d5f68.dir/build
make[2]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_d5f68.dir/CheckFunctionExists.c.o
/tmp/instance-1/output-1/host/bin/nds32le-linux-gcc --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG   -o CMakeFiles/cmTC_d5f68.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-3.16/Modules/CheckFunctionExists.c
Linking C executable cmTC_d5f68
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d5f68.dir/link.txt --verbose=1
/tmp/instance-1/output-1/host/bin/nds32le-linux-gcc --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D_FORTIFY_SOURCE=1 -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG    CMakeFiles/cmTC_d5f68.dir/CheckFunctionExists.c.o  -o cmTC_d5f68  -lpthreads 
/tmp/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nds32le-linux/8.0.1/../../../../nds32le-linux/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_d5f68.dir/build.make:87: cmTC_d5f68] Error 1
make[2]: Leaving directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_d5f68/fast] Error 2
make[1]: Leaving directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'



Determining if the CXX compiler works failed with the following output:
Change Dir: /tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_42a42/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_42a42.dir/build.make CMakeFiles/cmTC_42a42.dir/build
make[2]: Entering directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_42a42.dir/testCXXCompiler.cxx.o
/usr/bin/c++ --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot    -O3 -DNDEBUG   -o CMakeFiles/cmTC_42a42.dir/testCXXCompiler.cxx.o -c /tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp/testCXXCompiler.cxx
Linking CXX executable cmTC_42a42
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_42a42.dir/link.txt --verbose=1
/usr/bin/c++ --sysroot=/tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot    -O3 -DNDEBUG    CMakeFiles/cmTC_42a42.dir/testCXXCompiler.cxx.o  -o cmTC_42a42 
/usr/bin/ld: skipping incompatible /tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot/lib/../lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: skipping incompatible /tmp/instance-1/output-1/host/nds32le-buildroot-linux-gnu/sysroot/lib/libgcc_s.so.1 when searching for libgcc_s.so.1
/usr/bin/ld: cannot find libgcc_s.so.1
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_42a42.dir/build.make:87: cmTC_42a42] Error 1
make[2]: Leaving directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_42a42/fast] Error 2
make[1]: Leaving directory '/tmp/instance-1/output-1/build/qpid-proton-0.35.0/CMakeFiles/CMakeTmp'