From f4009d1efccf571d229e89fab846b0d5873e7a5b Mon Sep 17 00:00:00 2001
From: Lars Wendler <polynomial-c@gentoo.org>
Date: Thu, 13 Feb 2020 13:12:45 +0100
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 9b6d09c2f9..c2af42468c 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/).
 
@@ -107,6 +111,9 @@ if(NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED OR CMAKE_Fortran_CO
   endif()
 endif()
 
+# first, try PkgConfig
+set(BLA_PREFER_PKGCONFIG On)
+
 if(CMAKE_Fortran_COMPILER_LOADED)
   include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
 else()
-- 
2.25.0