Performing C SOURCE FILE Test WITH_WIMPLICIT_FALLTHROUGH_FLAG failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_0a61c/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_0a61c.dir/build.make CMakeFiles/cmTC_0a61c.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_0a61c.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DWITH_WIMPLICIT_FALLTHROUGH_FLAG -Werror  -DNDEBUG -fPIE   -Wimplicit-fallthrough -o CMakeFiles/cmTC_0a61c.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
arm-linux-gcc.br_real: error: unrecognized command line option '-Wimplicit-fallthrough'
make[2]: *** [CMakeFiles/cmTC_0a61c.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_0a61c/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:
int main(void) { return 0; }
Performing C SOURCE FILE Test WITH_STACK_PROTECTOR_STRONG failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_64fe5/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_64fe5.dir/build.make CMakeFiles/cmTC_64fe5.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_64fe5.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DWITH_STACK_PROTECTOR_STRONG -fstack-protector-strong  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_64fe5.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_64fe5
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_64fe5.dir/link.txt --verbose=1
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DWITH_STACK_PROTECTOR_STRONG -fstack-protector-strong  -DNDEBUG    -rdynamic CMakeFiles/cmTC_64fe5.dir/src.c.o  -o cmTC_64fe5 
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/4.9.4/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: cannot find -lssp_nonshared
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/4.9.4/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: cannot find -lssp
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_64fe5] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_64fe5/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:
int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}
Performing C SOURCE FILE Test WITH_STACK_CLASH_PROTECTION failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_941cd/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_941cd.dir/build.make CMakeFiles/cmTC_941cd.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_941cd.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DWITH_STACK_CLASH_PROTECTION -fstack-clash-protection  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_941cd.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
arm-linux-gcc.br_real: error: unrecognized command line option '-fstack-clash-protection'
make[2]: *** [CMakeFiles/cmTC_941cd.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_941cd/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:
int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}
Determining if the include file util.h exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_f8c2e/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_f8c2e.dir/build.make CMakeFiles/cmTC_f8c2e.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_f8c2e.dir/CheckIncludeFile.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_f8c2e.dir/CheckIncludeFile.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:18: fatal error: util.h: No such file or directory
 #include <util.h>
                  ^
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_f8c2e.dir/CheckIncludeFile.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_f8c2e/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Determining if the include file libutil.h exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_e9ec7/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e9ec7.dir/build.make CMakeFiles/cmTC_e9ec7.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_e9ec7.dir/CheckIncludeFile.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_e9ec7.dir/CheckIncludeFile.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:21: fatal error: libutil.h: No such file or directory
 #include <libutil.h>
                     ^
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_e9ec7.dir/CheckIncludeFile.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_e9ec7/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Determining if the include file sys/utime.h exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_55996/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_55996.dir/build.make CMakeFiles/cmTC_55996.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_55996.dir/CheckIncludeFile.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_55996.dir/CheckIncludeFile.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:23: fatal error: sys/utime.h: No such file or directory
 #include <sys/utime.h>
                       ^
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_55996.dir/CheckIncludeFile.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_55996/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Determining if the function explicit_bzero exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_283ab/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_283ab.dir/build.make CMakeFiles/cmTC_283ab.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_283ab.dir/CheckFunctionExists.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=explicit_bzero  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_283ab.dir/CheckFunctionExists.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/host/share/cmake-3.8/Modules/CheckFunctionExists.c
Linking C executable cmTC_283ab
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_283ab.dir/link.txt --verbose=1
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=explicit_bzero  -DNDEBUG    -rdynamic CMakeFiles/cmTC_283ab.dir/CheckFunctionExists.c.o  -o cmTC_283ab 
CMakeFiles/cmTC_283ab.dir/CheckFunctionExists.c.o: In function `main':
CheckFunctionExists.c:(.text.startup+0xc): undefined reference to `explicit_bzero'
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_283ab] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_283ab/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Determining if the function memset_s exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_a3607/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_a3607.dir/build.make CMakeFiles/cmTC_a3607.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_a3607.dir/CheckFunctionExists.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=memset_s  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_a3607.dir/CheckFunctionExists.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/host/share/cmake-3.8/Modules/CheckFunctionExists.c
Linking C executable cmTC_a3607
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a3607.dir/link.txt --verbose=1
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=memset_s  -DNDEBUG    -rdynamic CMakeFiles/cmTC_a3607.dir/CheckFunctionExists.c.o  -o cmTC_a3607 
CMakeFiles/cmTC_a3607.dir/CheckFunctionExists.c.o: In function `main':
CheckFunctionExists.c:(.text.startup+0xc): undefined reference to `memset_s'
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_a3607] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_a3607/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Determining if the ntohll exist failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_57e66/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_57e66.dir/build.make CMakeFiles/cmTC_57e66.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_57e66.dir/CheckSymbolExists.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_57e66.dir/CheckSymbolExists.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'ntohll' undeclared (first use in this function)
   return ((int*)(&ntohll))[argc];
                   ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [CMakeFiles/cmTC_57e66.dir/CheckSymbolExists.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_57e66/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

File /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <arpa/inet.h>

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

Determining if the htonll exist failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_d2488/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_d2488.dir/build.make CMakeFiles/cmTC_d2488.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_d2488.dir/CheckSymbolExists.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_d2488.dir/CheckSymbolExists.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'htonll' undeclared (first use in this function)
   return ((int*)(&htonll))[argc];
                   ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [CMakeFiles/cmTC_d2488.dir/CheckSymbolExists.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_d2488/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

File /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <arpa/inet.h>

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

Determining if the function __strtoull exists failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_8be0a/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_8be0a.dir/build.make CMakeFiles/cmTC_8be0a.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_8be0a.dir/CheckFunctionExists.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=__strtoull  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_8be0a.dir/CheckFunctionExists.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/host/share/cmake-3.8/Modules/CheckFunctionExists.c
Linking C executable cmTC_8be0a
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_8be0a.dir/link.txt --verbose=1
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DCHECK_FUNCTION_EXISTS=__strtoull  -DNDEBUG    -rdynamic CMakeFiles/cmTC_8be0a.dir/CheckFunctionExists.c.o  -o cmTC_8be0a 
CMakeFiles/cmTC_8be0a.dir/CheckFunctionExists.c.o: In function `main':
CheckFunctionExists.c:(.text.startup+0xc): undefined reference to `__strtoull'
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_8be0a] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_8be0a/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'


Performing C SOURCE FILE Test HAVE_MSC_THREAD_LOCAL_STORAGE failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_2d482/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_2d482.dir/build.make CMakeFiles/cmTC_2d482.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2d482.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DHAVE_MSC_THREAD_LOCAL_STORAGE  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_2d482.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c: In function '__declspec':
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:4:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
 int main(void) {
                ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:2:24: error: declaration for parameter 'tls' but no such parameter
 __declspec(thread) int tls;
                        ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:6:1: error: expected '{' at end of input
 }
 ^
make[2]: *** [CMakeFiles/cmTC_2d482.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_2d482/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:

__declspec(thread) int tls;

int main(void) {
    return 0;
}
Performing C SOURCE FILE Test HAVE_FALLTHROUGH_ATTRIBUTE failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_a7b7a/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_a7b7a.dir/build.make CMakeFiles/cmTC_a7b7a.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_a7b7a.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DHAVE_FALLTHROUGH_ATTRIBUTE -Werror  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_a7b7a.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c: In function 'main':
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:2:22: error: a label can only be part of a statement and a declaration is not a statement
 #define FALL_THROUGH __attribute__((fallthrough))
                      ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:9:9: note: in expansion of macro 'FALL_THROUGH'
         FALL_THROUGH;
         ^
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:9:9: error: empty declaration [-Werror]
cc1: all warnings being treated as errors
make[2]: *** [CMakeFiles/cmTC_a7b7a.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_a7b7a/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:

#define FALL_THROUGH __attribute__((fallthrough))

int main(void) {
    int i = 2;

    switch (i) {
    case 0:
        FALL_THROUGH;
    case 1:
        break;
    default:
        break;
    }

    return 0;
}
Performing C SOURCE FILE Test HAVE_GCC_BOUNDED_ATTRIBUTE failed with the following output:
Change Dir: /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_dee24/fast"
make[1]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_dee24.dir/build.make CMakeFiles/cmTC_dee24.dir/build
make[2]: Entering directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_dee24.dir/src.c.o
/home/dawncrow/buildroot-test/scripts/instance-0/output/host/bin/arm-linux-gcc --sysroot=/home/dawncrow/buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DHAVE_GCC_BOUNDED_ATTRIBUTE -Werror  -DNDEBUG -fPIE   -o CMakeFiles/cmTC_dee24.dir/src.c.o   -c /home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c
/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp/src.c:4:5: error: '__bounded__' attribute directive ignored [-Werror=attributes]
     __attribute__((__bounded__(__minbytes__, 2, 16)));
     ^
cc1: all warnings being treated as errors
make[2]: *** [CMakeFiles/cmTC_dee24.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_dee24/fast] Error 2
make[1]: Leaving directory `/home/dawncrow/buildroot-test/scripts/instance-0/output/build/libssh-0.8.5/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:

#define ARRAY_LEN 16
void test_attr(const unsigned char *k)
    __attribute__((__bounded__(__minbytes__, 2, 16)));

int main(void) {
    return 0;
}