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-rw-r--r--dev-util/cmake/files/cmake-3.14.0_rc1-FindLAPACK.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/dev-util/cmake/files/cmake-3.14.0_rc1-FindLAPACK.patch b/dev-util/cmake/files/cmake-3.14.0_rc1-FindLAPACK.patch
new file mode 100644
index 000000000000..ebd83f38d187
--- /dev/null
+++ b/dev-util/cmake/files/cmake-3.14.0_rc1-FindLAPACK.patch
@@ -0,0 +1,55 @@
+From 6d4d97b328f48862923bb55c1c0976b1d532dcc3 Mon Sep 17 00:00:00 2001
+From: Lars Wendler <polynomial-c@gentoo.org>
+Date: Sun, 10 Feb 2019 23:01:53 +0100
+Subject: [PATCH] Prefer pkgconfig in FindLAPACK
+
+---
+ Modules/FindLAPACK.cmake | 21 +++++++++++++++++++++
+ 1 file changed, 21 insertions(+)
+
+diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake
+index d6646eaacf..ef5f324670 100644
+--- a/Modules/FindLAPACK.cmake
++++ b/Modules/FindLAPACK.cmake
+@@ -7,6 +7,10 @@ FindLAPACK
+
+ Find LAPACK library
+
++Version modified for Gentoo Linux.
++If a valid PkgConfig configuration is found, this overrides and cancels
++all further checks.
++
+ This module finds an installed fortran library that implements the
+ LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
+
+@@ -181,6 +185,21 @@ endif()
+
+ endmacro()
+
++# first, try PkgConfig
++find_package(PkgConfig REQUIRED)
++pkg_check_modules(PC_LAPACK lapack)
++if(PC_LAPACK_FOUND)
++ foreach(PC_LIB ${PC_LAPACK_LIBRARIES})
++ find_library(${PC_LIB}_LIBRARY NAMES ${PC_LIB} HINTS ${PC_LAPACK_LIBRARY_DIRS} )
++ if (NOT ${PC_LIB}_LIBRARY)
++ message(FATAL_ERROR "Something is wrong in your pkg-config file - lib ${PC_LIB} not found in ${PC_LAPACK_LIBRARY_DIRS}")
++ endif (NOT ${PC_LIB}_LIBRARY)
++ list(APPEND LAPACK_LIBRARIES ${${PC_LIB}_LIBRARY})
++ endforeach(PC_LIB)
++ find_package_handle_standard_args(LAPACK DEFAULT_MSG LAPACK_LIBRARIES)
++ mark_as_advanced(LAPACK_LIBRARIES)
++else(PC_LAPACK_FOUND)
++message(STATUS "No PkgConfig configuration for LAPACK found; starting more extensive search.")
+
+ set(LAPACK_LINKER_FLAGS)
+ set(LAPACK_LIBRARIES)
+@@ -428,3 +447,5 @@ endif()
+
+ cmake_pop_check_state()
+ set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
++
++endif(PC_LAPACK_FOUND)
+--
+2.20.1
+