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8471ec49af
Gentoo patches cmake's FindBLAS changing the upstream behavior, which sometimes breaks builds and takes time for investigation. The corresponding bug has been open for 4.5 years: bugs.gentoo.org/736547. This patch allows restoring the upstream behavior of FindBLAS by defining GENTOO_REMOVE_CMAKE_BLAS_HACK. This is quite ugly, but it is easy and less ugly than what we have right now. [sam: new revision only for .6, not .5 (my error), not git mv, and a new patch rather than changing the existing one in-place)] Bug: https://bugs.gentoo.org/736547 Signed-off-by: Alexey Korepanov <kaikaikai@yandex.ru> Closes: https://github.com/gentoo/gentoo/pull/40709 Signed-off-by: Sam James <sam@gentoo.org>
28 lines
861 B
Diff
28 lines
861 B
Diff
diff --git a/Modules/FindBLAS.cmake b/Modules/FindBLAS.cmake
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index 6d60c9d86a..b6664dfe26 100644
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--- a/Modules/FindBLAS.cmake
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+++ b/Modules/FindBLAS.cmake
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@@ -7,6 +7,11 @@ FindBLAS
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Find Basic Linear Algebra Subprograms (BLAS) library
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+Version modified for Gentoo Linux.
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+If a valid PkgConfig configuration is found, this overrides and cancels
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+all further checks. The upstream behavior can be restored by defining
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+GENTOO_REMOVE_CMAKE_BLAS_HACK
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+
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This module finds an installed Fortran library that implements the
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`BLAS linear-algebra interface`_.
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@@ -281,6 +286,11 @@ function(_add_blas_target)
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endif()
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endfunction()
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+# first, try PkgConfig
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+if(NOT DEFINED GENTOO_REMOVE_CMAKE_BLAS_HACK)
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+ set(BLA_PREFER_PKGCONFIG ON)
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+endif()
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+
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if(CMAKE_Fortran_COMPILER_LOADED)
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
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else()
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