https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236581
Bug ID: 236581
Summary: -fopenmp underlinking
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: toolch...@freebsd.org
Reporter: jbe...@freebsd.org
$ fetch https://computing.llnl.gov/tutorials/openMP/samples/C/omp_hello.c
$ cc -fopenmp omp_hello.c
$ ldd a.out
a.out:
libomp.so => /usr/lib/libomp.so (0x80024b000)
libc.so.7 => /lib/libc.so.7 (0x8002fd000)
$ ./a.out
OMP: Error #178: Function pthread_key_create failed:
OMP: System error #78: Function not implemented
vs.
$ pkg install llvm80
$ clang80 -fopenmp omp_hello.c
$ ldd ./a.out
./a.out:
libomp.so => /usr/local/llvm80/lib/libomp.so (0x800249000)
libc.so.7 => /lib/libc.so.7 (0x8002f2000)
libthr.so.3 => /lib/libthr.so.3 (0x800706000)
libm.so.5 => /lib/libm.so.5 (0x800732000)
$ ./a.out
Hello World from thread = 0
Number of threads = 8
Hello World from thread = 5
Hello World from thread = 6
Hello World from thread = 3
Hello World from thread = 2
Hello World from thread = 1
Hello World from thread = 7
Hello World from thread = 4
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