Determining if the pthread_create exist failed with the following output:
Change Dir: /data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp

Run Build Command:"/data/steve/genivi-13/m3sk/y-baseline/build/tmp/hosttools/make" "cmTC_9587e/fast"
make -f CMakeFiles/cmTC_9587e.dir/build.make CMakeFiles/cmTC_9587e.dir/build
make[1]: Entering directory '/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_9587e.dir/CheckSymbolExists.c.o
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc    -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0=/usr/src/debug/audiomanager/7.6-r0 -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native= -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot=   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot    -o CMakeFiles/cmTC_9587e.dir/CheckSymbolExists.c.o   -c /data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTC_9587e
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_9587e.dir/link.txt --verbose=1
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0=/usr/src/debug/audiomanager/7.6-r0 -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native= -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot=   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed  CMakeFiles/cmTC_9587e.dir/CheckSymbolExists.c.o  -o cmTC_9587e -rdynamic 
CMakeFiles/cmTC_9587e.dir/CheckSymbolExists.c.o: In function `main':
/usr/src/debug/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8: undefined reference to `pthread_create'
/usr/src/debug/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8: undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_9587e.dir/build.make:97: recipe for target 'cmTC_9587e' failed
make[1]: *** [cmTC_9587e] Error 1
make[1]: Leaving directory '/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_9587e/fast' failed
make: *** [cmTC_9587e/fast] Error 2

File /data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <pthread.h>

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

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp

Run Build Command:"/data/steve/genivi-13/m3sk/y-baseline/build/tmp/hosttools/make" "cmTC_282fe/fast"
make -f CMakeFiles/cmTC_282fe.dir/build.make CMakeFiles/cmTC_282fe.dir/build
make[1]: Entering directory '/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_282fe.dir/CheckFunctionExists.c.o
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc    -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0=/usr/src/debug/audiomanager/7.6-r0 -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native= -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot=   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTC_282fe.dir/CheckFunctionExists.c.o   -c /data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/share/cmake-3.7/Modules/CheckFunctionExists.c
Linking C executable cmTC_282fe
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_282fe.dir/link.txt --verbose=1
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0=/usr/src/debug/audiomanager/7.6-r0 -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native= -fdebug-prefix-map=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot=   -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot -DCHECK_FUNCTION_EXISTS=pthread_create  -march=armv8-a -mtune=cortex-a57.cortex-a53  --sysroot=/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot  -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed  CMakeFiles/cmTC_282fe.dir/CheckFunctionExists.c.o  -o cmTC_282fe -rdynamic -lpthreads 
/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/../../libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/5.3.1/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_282fe.dir/build.make:97: recipe for target 'cmTC_282fe' failed
make[1]: *** [cmTC_282fe] Error 1
make[1]: Leaving directory '/data/steve/genivi-13/m3sk/y-baseline/build/tmp/work/aarch64-poky-linux/audiomanager/7.6-r0/build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_282fe/fast' failed
make: *** [cmTC_282fe/fast] Error 2