When the GPU module is enabled I get the error below when I try to make. I
am using ubuntu 20.04 and gcc 9.4 g++ 9.4. It compiles without the GPU
module.
Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the
following output:
Change Dir: /media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_f7a74/fast && /usr/bin/make -f
CMakeFiles/cmTC_f7a74.dir/build.make CMakeFiles/cmTC_f7a74.dir/build
make[1]: Entering directory '/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_f7a74.dir/src.c.o
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD -o
CMakeFiles/cmTC_f7a74.dir/src.c.o -c "/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp/src.c"
Linking C executable cmTC_f7a74
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_f7a74.dir/link.txt
--verbose=1
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD CMakeFiles/cmTC_f7a74.dir/src.c.o
-o cmTC_f7a74
/usr/bin/ld: CMakeFiles/cmTC_f7a74.dir/src.c.o: in function `main':
src.c:(.text+0x46): undefined reference to `pthread_create'
/usr/bin/ld: src.c:(.text+0x52): undefined reference to `pthread_detach'
/usr/bin/ld: src.c:(.text+0x63): undefined reference to `pthread_join'
collect2: error: ld returned 1 exit status
make[1]: *** [CMakeFiles/cmTC_f7a74.dir/build.make:87: cmTC_f7a74] Error 1
make[1]: Leaving directory '/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp'
make: *** [Makefile:121: cmTC_f7a74/fast] Error 2
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;
}
Performing C++ SOURCE FILE Test DETECTED_NEON failed with the following
output:
Change Dir: /media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp
Run Build Command(s):/usr/bin/make cmTC_44c59/fast && /usr/bin/make -f
CMakeFiles/cmTC_44c59.dir/build.make CMakeFiles/cmTC_44c59.dir/build
make[1]: Entering directory '/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_44c59.dir/src.cxx.o
/usr/bin/c++ -pthread -fopenmp -DDETECTED_NEON -march=armv8-a
-std=gnu++14 -o CMakeFiles/cmTC_44c59.dir/src.cxx.o -c "/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp/src.cxx"
cc1plus: error: bad value (‘armv8-a’) for ‘-march=’ switch
cc1plus: note: valid arguments to ‘-march=’ switch are: nocona core2
nehalem corei7 westmere sandybridge corei7-avx ivybridge core-avx-i haswell
core-avx2 broadwell skylake skylake-avx512 cannonlake icelake-client
icelake-server cascadelake tigerlake bonnell atom silvermont slm goldmont
goldmont-plus tremont knl knm x86-64 eden-x2 nano nano-1000 nano-2000
nano-3000 nano-x2 eden-x4 nano-x4 k8 k8-sse3 opteron opteron-sse3 athlon64
athlon64-sse3 athlon-fx amdfam10 barcelona bdver1 bdver2 bdver3 bdver4
znver1 znver2 btver1 btver2 native
make[1]: *** [CMakeFiles/cmTC_44c59.dir/build.make:66:
CMakeFiles/cmTC_44c59.dir/src.cxx.o] Error 1
make[1]: Leaving directory '/media/richard/My
Passport/workspace/chrono_build/CMakeFiles/CMakeTmp'
make: *** [Makefile:121: cmTC_44c59/fast] Error 2
...and run output:
Return value: 1
Source file was:
#include <arm_neon.h>
int main()
{
float64_t a[2] = { 1., 2. };
float64_t b[2] = { -1., 3. };
float64_t c[2];
float64x2_t va = vld1q_f64(&a[0]);
float64x2_t vb = vld1q_f64(&b[0]);
float64x2_t vc = vaddq_f64(va, vb);
vst1q_f64(&c[0], vc);
if (c[0] == 0. && c[1] == 5.)
return 0;
else
return 0;
}
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