Dear all,
on a system with a cray compiler environment cmake fails to find a blas capable
library via
find_package(BLAS)
The compilers on this system are wrappers which already link the local blas
libraries (from the cray-libsci library). I guess this is why a call to
check_fortran_function_exists(sgemm HAS_BLAS)
or
check_function_exists(cblas_sgemm HAS_BLAS)
actually succeeds. (sgemm is a symbol from BLAS)
So the code requires blas functionality, but I can not just call
find_package(BLAS) and then add the BLAS_LIBRARIES to the targets linker flags
as on other platforms.
Do you think we should refine the FindBLAS.cmake to actually detect if blas is
already be found by the compiler/linker and then set BLAS_FOUND to true and
BLAS_LIBRARIES to an empty list?
Thanks for any thoughts about this,
Jan
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