The target system is: Buildroot - 1 - i586
The host system is: Linux - 5.4.2-arch1-1 - x86_64
Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded.
Compiler: /data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc 
Build flags: -D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-O2;-g2
Id flags:  

The output was:
0


Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out"

The C compiler identification is GNU, found in "/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/3.15.5/CompilerIdC/a.out"

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ 
Build flags: -D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-O2;-g2
Id flags:  

The output was:
0


Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

The CXX compiler identification is GNU, found in "/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/3.15.5/CompilerIdCXX/a.out"

Determining if the C compiler works passed with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_ab5da/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_ab5da.dir/build.make CMakeFiles/cmTC_ab5da.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_ab5da.dir/testCCompiler.c.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2    -o CMakeFiles/cmTC_ab5da.dir/testCCompiler.c.o   -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/testCCompiler.c
Linking C executable cmTC_ab5da
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ab5da.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2     CMakeFiles/cmTC_ab5da.dir/testCCompiler.c.o  -o cmTC_ab5da 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'



Detecting C compiler ABI info compiled with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_336e4/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_336e4.dir/build.make CMakeFiles/cmTC_336e4.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_336e4.dir/CMakeCCompilerABI.c.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2    -v -o CMakeFiles/cmTC_336e4.dir/CMakeCCompilerABI.c.o   -c /data/buildroot-test/instance-1/output-1/host/share/cmake-3.15/Modules/CMakeCCompilerABI.c
Using built-in specs.
COLLECT_GCC=/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/i586-linux-gcc.br_real
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ignoring duplicate directory "/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/../../lib/gcc/i586-buildroot-linux-musl/8.3.0/include"
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    arg [-L/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc] ==> dir [/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc]
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Determining if the CXX compiler works passed with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_9c2bb/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_9c2bb.dir/build.make CMakeFiles/cmTC_9c2bb.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_9c2bb.dir/testCXXCompiler.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2    -o CMakeFiles/cmTC_9c2bb.dir/testCXXCompiler.cxx.o -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/testCXXCompiler.cxx
Linking CXX executable cmTC_9c2bb
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_9c2bb.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2     CMakeFiles/cmTC_9c2bb.dir/testCXXCompiler.cxx.o  -o cmTC_9c2bb 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'



Detecting CXX compiler ABI info compiled with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_b1351/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_b1351.dir/build.make CMakeFiles/cmTC_b1351.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_b1351.dir/CMakeCXXCompilerABI.cpp.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2    -v -o CMakeFiles/cmTC_b1351.dir/CMakeCXXCompilerABI.cpp.o -c /data/buildroot-test/instance-1/output-1/host/share/cmake-3.15/Modules/CMakeCXXCompilerABI.cpp
Using built-in specs.
COLLECT_GCC=/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/i586-linux-g++.br_real
Target: i586-buildroot-linux-musl
Configured with: ./configure --prefix=/opt/br-i386-pentium-mmx-musl-2020.02 --sysconfdir=/opt/br-i386-pentium-mmx-musl-2020.02/etc --enable-static --target=i586-buildroot-linux-musl --with-sysroot=/opt/br-i386-pentium-mmx-musl-2020.02/i586-buildroot-linux-musl/sysroot --enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib --disable-decimal-float --with-gmp=/opt/br-i386-pentium-mmx-musl-2020.02 --with-mpc=/opt/br-i386-pentium-mmx-musl-2020.02 --with-mpfr=/opt/br-i386-pentium-mmx-musl-2020.02 --with-pkgversion='Buildroot 2020.02' --with-bugurl=http://bugs.buildroot.net/ --disable-libmpx --enable-libquadmath --disable-libsanitizer --enable-tls --enable-threads --without-isl --without-cloog --with-arch=pentium-mmx --enable-languages=c,c++ --with-build-time-tools=/opt/br-i386-pentium-mmx-musl-2020.02/i586-buildroot-linux-musl/bin --enable-shared --disable-libgomp
Thread model: posix
gcc version 8.3.0 (Buildroot 2020.02) 
COLLECT_GCC_OPTIONS='-march=pentium-mmx' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g2' '-v' '-o' 'CMakeFiles/cmTC_b1351.dir/CMakeCXXCompilerABI.cpp.o' '-c' '-shared-libgcc'
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    arg [-plugin] ==> ignore
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    arg [-m] ==> ignore
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    arg [-L/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc] ==> dir [/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc]
    arg [-L/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/i586-buildroot-linux-musl/8.3.0/../../../../i586-buildroot-linux-musl/lib] ==> dir [/data/buildroot-test/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/i586-buildroot-linux-musl/8.3.0/../../../../i586-buildroot-linux-musl/lib]
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Performing C++ SOURCE FILE Test HAVE_CXX_ATOMICS_WITHOUT_LIB succeeded with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_9c4d8/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_9c4d8.dir/build.make CMakeFiles/cmTC_9c4d8.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_9c4d8.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -Wall -Wconversion -pedantic -Wextra -Wno-missing-field-initializers -DHAVE_CXX_ATOMICS_WITHOUT_LIB  -std=c++11   -o CMakeFiles/cmTC_9c4d8.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/src.cxx
Linking CXX executable cmTC_9c4d8
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_9c4d8.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -Wall -Wconversion -pedantic -Wextra -Wno-missing-field-initializers -DHAVE_CXX_ATOMICS_WITHOUT_LIB  -std=c++11    CMakeFiles/cmTC_9c4d8.dir/src.cxx.o  -o cmTC_9c4d8 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'


Source file was:

#include <atomic>
std::atomic<int> x;
int main() {
  return x;
}

Performing C++ SOURCE FILE Test HAVE_CXX_ATOMICS64_WITHOUT_LIB succeeded with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_31e3f/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_31e3f.dir/build.make CMakeFiles/cmTC_31e3f.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_31e3f.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -Wall -Wconversion -pedantic -Wextra -Wno-missing-field-initializers -DHAVE_CXX_ATOMICS64_WITHOUT_LIB -std=c++11   -o CMakeFiles/cmTC_31e3f.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/src.cxx
/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()':
/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/src.cxx:6:12: warning: unused variable 'i' [-Wunused-variable]
   uint64_t i = x.load(std::memory_order_relaxed);
            ^
Linking CXX executable cmTC_31e3f
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_31e3f.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -Wall -Wconversion -pedantic -Wextra -Wno-missing-field-initializers -DHAVE_CXX_ATOMICS64_WITHOUT_LIB -std=c++11    CMakeFiles/cmTC_31e3f.dir/src.cxx.o  -o cmTC_31e3f 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'


Source file was:

#include <atomic>
#include <cstdint>
std::atomic<uint64_t> x (0);
int main() {
  uint64_t i = x.load(std::memory_order_relaxed);
  return 0;
}

Determining if the include file pthread.h exists passed with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_30246/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_30246.dir/build.make CMakeFiles/cmTC_30246.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_30246.dir/CheckIncludeFile.c.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2    -o CMakeFiles/cmTC_30246.dir/CheckIncludeFile.c.o   -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/CheckIncludeFile.c
Linking C executable cmTC_30246
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_30246.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2     CMakeFiles/cmTC_30246.dir/CheckIncludeFile.c.o  -o cmTC_30246 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'



Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD succeeded with the following output:
Change Dir: /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_53ff1/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_53ff1.dir/build.make CMakeFiles/cmTC_53ff1.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_53ff1.dir/src.c.o
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -DCMAKE_HAVE_LIBC_PTHREAD   -o CMakeFiles/cmTC_53ff1.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_53ff1
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_53ff1.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/i586-linux-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/i586-buildroot-linux-musl/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g2 -DCMAKE_HAVE_LIBC_PTHREAD    CMakeFiles/cmTC_53ff1.dir/src.c.o  -o cmTC_53ff1 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/pistache-f2f5a50fbfb5b8ef6cf1d3d2a9d442a8270e375d/CMakeFiles/CMakeTmp'


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;
}