From 4de8287ce3b098ea579a28155d442eb589db8617 Mon Sep 17 00:00:00 2001
From: Lars Wendler <polynomial-c@gentoo.org>
Date: Sat, 22 Jun 2019 16:09:05 +0200
Subject: [PATCH] Prefer pkgconfig in FindBLAS

---
 Modules/FindBLAS.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Modules/FindBLAS.cmake b/Modules/FindBLAS.cmake
index 77f9d0e40c..bbe155caa9 100644
--- a/Modules/FindBLAS.cmake
+++ b/Modules/FindBLAS.cmake
@@ -7,6 +7,10 @@ FindBLAS
 
 Find Basic Linear Algebra Subprograms (BLAS) 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
 BLAS linear-algebra interface (see http://www.netlib.org/blas/).  The
 list of libraries searched for is taken from the ``autoconf`` macro file,
@@ -92,6 +96,9 @@ installation.
 
 #]=======================================================================]
 
+# first, try PkgConfig
+set(BLA_PREFER_PKGCONFIG On)
+
 include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake)
-- 
2.22.0