abhiTronix
commented
6 years ago Here is the CMakeError of the build:
/usr/bin/cc -fPIE -o CMakeFiles/cmTC_3796c.dir/CheckSymbolExists.c.o -c /home/pi/dlib/build/temp.linux-armv7l-2.7/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTC_3796c
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_3796c.dir/link.txt --verbose=1
/usr/bin/cc CMakeFiles/cmTC_3796c.dir/CheckSymbolExists.c.o -o cmTC_3796c -rdynamic
CMakeFiles/cmTC_3796c.dir/CheckSymbolExists.c.o: In function `main':
CheckSymbolExists.c:(.text+0x48): undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_3796c.dir/build.make:97: recipe for target 'cmTC_3796c' failed
make[1]: *** [cmTC_3796c] Error 1
make[1]: Leaving directory '/home/pi/dlib/build/temp.linux-armv7l-2.7/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_3796c/fast' failed
make: *** [cmTC_3796c/fast] Error 2
File /home/pi/dlib/build/temp.linux-armv7l-2.7/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: /home/pi/dlib/build/temp.linux-armv7l-2.7/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/make" "cmTC_d6b85/fast"
/usr/bin/make -f CMakeFiles/cmTC_d6b85.dir/build.make CMakeFiles/cmTC_d6b85.dir/build
make[1]: Entering directory '/home/pi/dlib/build/temp.linux-armv7l-2.7/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_d6b85.dir/CheckFunctionExists.c.o
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create -fPIE -o CMakeFiles/cmTC_d6b85.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.7/Modules/CheckFunctionExists.c
Linking C executable cmTC_d6b85
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d6b85.dir/link.txt --verbose=1
/usr/bin/cc -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_d6b85.dir/CheckFunctionExists.c.o -o cmTC_d6b85 -rdynamic -lpthreads
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_d6b85.dir/build.make:97: recipe for target 'cmTC_d6b85' failed
make[1]: *** [cmTC_d6b85] Error 1
make[1]: Leaving directory '/home/pi/dlib/build/temp.linux-armv7l-2.7/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_d6b85/fast' failed
make: *** [cmTC_d6b85/fast] Error 2 Any Idea what is wrong???
davisking
Expected Behavior
dlib python should compile as previous builds.
Current Behavior
dlib python build fails at 100% everytime with error.
Steps to Reproduce
sudo python setup.py install --compiler-flags "-O3 -mfpu=neon-vfpv4 -fprofile-generate"Retried rebuilding it from scratch, but same error at 100%.