56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
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From 6d4d97b328f48862923bb55c1c0976b1d532dcc3 Mon Sep 17 00:00:00 2001
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From: Lars Wendler <polynomial-c@gentoo.org>
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Date: Sun, 10 Feb 2019 23:01:53 +0100
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Subject: [PATCH] Prefer pkgconfig in FindLAPACK
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---
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Modules/FindLAPACK.cmake | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake
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index d6646eaacf..ef5f324670 100644
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--- a/Modules/FindLAPACK.cmake
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+++ b/Modules/FindLAPACK.cmake
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@@ -7,6 +7,10 @@ FindLAPACK
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Find LAPACK 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.
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+
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This module finds an installed fortran library that implements the
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LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
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@@ -181,6 +185,21 @@ endif()
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endmacro()
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+# first, try PkgConfig
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+find_package(PkgConfig REQUIRED)
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+pkg_check_modules(PC_LAPACK lapack)
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+if(PC_LAPACK_FOUND)
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+ foreach(PC_LIB ${PC_LAPACK_LIBRARIES})
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+ find_library(${PC_LIB}_LIBRARY NAMES ${PC_LIB} HINTS ${PC_LAPACK_LIBRARY_DIRS} )
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+ if (NOT ${PC_LIB}_LIBRARY)
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+ message(FATAL_ERROR "Something is wrong in your pkg-config file - lib ${PC_LIB} not found in ${PC_LAPACK_LIBRARY_DIRS}")
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+ endif (NOT ${PC_LIB}_LIBRARY)
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+ list(APPEND LAPACK_LIBRARIES ${${PC_LIB}_LIBRARY})
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+ endforeach(PC_LIB)
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+ find_package_handle_standard_args(LAPACK DEFAULT_MSG LAPACK_LIBRARIES)
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+ mark_as_advanced(LAPACK_LIBRARIES)
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+else(PC_LAPACK_FOUND)
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+message(STATUS "No PkgConfig configuration for LAPACK found; starting more extensive search.")
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set(LAPACK_LINKER_FLAGS)
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set(LAPACK_LIBRARIES)
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@@ -428,3 +447,5 @@ endif()
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cmake_pop_check_state()
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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+
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+endif(PC_LAPACK_FOUND)
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--
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2.20.1
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