> Our own FindLAPACK and also CMake FindLAPACK include both the BLAS
library in the LAPACK_LIBRARIES (both tested!)
Interesting. I also see that in
/usr/share/cmake/Modules/FindLAPACK.cmake:231-502:
if(BLAS_FOUND)
[...]
else()
message(STATUS "LAPACK requires BLAS")
endif()
For me the output
Thank you for taking a look.
Gentoo's package manager removes that file in favour of the one provided
by CMake itself:
❯ q file -v /usr/share/cmake/Modules/FindLAPACK.cmake
dev-util/cmake-3.18.1: /usr/share/cmake/Modules/FindLAPACK.cmake
Now one might argue that CMake is correct in having the LA
> Also before applying the patch I would be interested in a comparison
between self-contained levmar and levmar+LAPACK. [...] If there is no
improvement of using LAPACK then maybe the LAPACK detection should be
removed.
If the benefits of this build-system feature of Hugin are unknown, I
agree i
> What is the error the build system report without the patch?
cd /tmp/portage/media-gfx/hugin-2019.2.0/work/hugin-2019.2.0_build/src/tools &&
/usr/bin/cmake -E cmake_link_script CMakeFiles/cpclean.dir/link.txt --verbose=1
/usr/sbin/x86_64-pc-linux-gnu-g++ -pipe -O2 -march=znver1 -Wl,-O1
-Wl,--a
Public bug reported:
```
hugin-2019.2.0/src/foreign/levmar/misc_core.c:45:#define GEMM
LM_MK_BLAS_NAME(gemm)
```
This function is a BLAS function:
https://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms#Level_3
Thus, since levmar is built as a static library, Hugin itself should
call `fi
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