Those errors are normal. Guessing there's info in the cmake output that's more useful. - MLD
On Tue, Oct 1, 2019 at 3:03 PM Achilleas Anastasopoulos <anas...@umich.edu> wrote: > Hi all, > > I have the following issue trying a fresh installation on a VM-Ubuntu > 18.04. > After installing the dependencies etc from here: > https://wiki.gnuradio.org/index.php/UbuntuInstall > > and after checking out the maint_3.7 branch the cmake fails with the > following CMakeError.log file. > > Something tell me I am missing something obvious, but don't know what... > This is the first time I see something like this. > > Any help is appreciated. > > best > Achilleas > > > > > ----------- > > Determining if the pthread_create exist failed with the following output: > Change Dir: > /home/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp > > Run Build Command:"/usr/bin/make" "cmTC_a2fc5/fast" > /usr/bin/make -f CMakeFiles/cmTC_a2fc5.dir/build.make > CMakeFiles/cmTC_a2fc5.dir/build > make[1]: Entering directory > '/home/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp' > Building C object CMakeFiles/cmTC_a2fc5.dir/CheckSymbolExists.c.o > /usr/bin/cc -std=gnu99 -fvisibility=hidden -Wsign-compare -Wall > -Wno-uninitialized -o CMakeFi > les/cmTC_a2fc5.dir/CheckSymbolExists.c.o -c > /home/anastas/workarea-gnuradio/build_maint37/CMakeF > iles/CMakeTmp/CheckSymbolExists.c > Linking C executable cmTC_a2fc5 > /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a2fc5.dir/link.txt > --verbose=1 > /usr/bin/cc -std=gnu99 -fvisibility=hidden -Wsign-compare -Wall > -Wno-uninitialized -rdynamic > CMakeFiles/cmTC_a2fc5.dir/CheckSymbolExists.c.o -o cmTC_a2fc5 > CMakeFiles/cmTC_a2fc5.dir/CheckSymbolExists.c.o: In function `main': > CheckSymbolExists.c:(.text+0x1b): undefined reference to `pthread_create' > collect2: error: ld returned 1 exit status > CMakeFiles/cmTC_a2fc5.dir/build.make:97: recipe for target 'cmTC_a2fc5' > failed > make[1]: *** [cmTC_a2fc5] Error 1 > make[1]: Leaving directory > '/home/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp' > Makefile:126: recipe for target 'cmTC_a2fc5/fast' failed > make: *** [cmTC_a2fc5/fast] Error 2 > > File > /home/anastas/workarea-gnuradio/build_maint37/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/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp > > Run Build Command:"/usr/bin/make" "cmTC_cfcc3/fast" > /usr/bin/make -f CMakeFiles/cmTC_cfcc3.dir/build.make > CMakeFiles/cmTC_cfcc3.dir/build > make[1]: Entering directory > '/home/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp' > Building C object CMakeFiles/cmTC_cfcc3.dir/CheckFunctionExists.c.o > /usr/bin/cc -std=gnu99 -fvisibility=hidden -Wsign-compare -Wall > -Wno-uninitialized -DCHECK_FUNCT > ION_EXISTS=pthread_create -o > CMakeFiles/cmTC_cfcc3.dir/CheckFunctionExists.c.o -c /usr/share/c > make-3.10/Modules/CheckFunctionExists.c > Linking C executable cmTC_cfcc3 > /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_cfcc3.dir/link.txt > --verbose=1 > /usr/bin/cc -std=gnu99 -fvisibility=hidden -Wsign-compare -Wall > -Wno-uninitialized -DCHECK_FUNCTI > ON_EXISTS=pthread_create -rdynamic > CMakeFiles/cmTC_cfcc3.dir/CheckFunctionExists.c.o -o cmTC_c > fcc3 -lpthreads > /usr/bin/ld: cannot find -lpthreads > collect2: error: ld returned 1 exit status > CMakeFiles/cmTC_cfcc3.dir/build.make:97: recipe for target 'cmTC_cfcc3' > failed > make[1]: *** [cmTC_cfcc3] Error 1 > make[1]: Leaving directory > '/home/anastas/workarea-gnuradio/build_maint37/CMakeFiles/CMakeTmp' > Makefile:126: recipe for target 'cmTC_cfcc3/fast' failed > make: *** [cmTC_cfcc3/fast] Error 2 > > > --------- > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Michael Dickens Ettus Research Technical Support Email: supp...@ettus.com Web: https://ettus.com/
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