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4 Commits

Author SHA1 Message Date
Dimitry Andric
66110c6521 Remove --as-needed from the linker flags for libomp.so, as these 
actually prevent the transitive dependency on libm.

Reported by:	jbeich
PR:		236062, 236581
MFC after:	1 month
X-MFC-With:	r344779
 2019-03-18 19:56:00 +00:00
Dimitry Andric
db7591a848 Also explicitly link libomp.so against -lm, as it transitively depends 
on scalbn and a few other math functions, via libcompiler-rt.  This
should allow OpenMP programs to link with BFD linkers too.

Reported by:	jbeich
PR:		236062, 236581
MFC after:	1 month
X-MFC-With:	r344779
 2019-03-18 19:11:11 +00:00
Dimitry Andric
1d0078a2af Explicitly link libomp.so against -lpthread, as it depends on pthread 
functionality.  This should make example OpenMP programs work out of the
box.

Reported by:	jbeich
PR:		236062, 236581
MFC after:	1 month
X-MFC-With:	r344779
 2019-03-17 11:27:27 +00:00
Dimitry Andric
3c6bb67129 Add lib/libomp, with a Makefile, and generated configuration headers. 
Not connected to the main build yet, as there is still the issue of the
GNU omp.h header conflicting with the LLVM one.  (That is, if MK_GCC is
enabled.)

PR:		236062
MFC after:	1 month
X-MFC-With:	r344779
 2019-03-16 15:01:36 +00:00