From 8b02ff6b8eeb4896276c8777003736598a78d30d Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@fysik.su.se>
Date: Mon, 19 Oct 2020 14:00:48 +0200
Subject: [PATCH] openmolcas: fix build w.r.t. openblas

Fall out from switching openblas over to multiple outputs:
https://github.com/NixOS/nixpkgs/pull/98337
---
 .../science/chemistry/openmolcas/default.nix        |  7 +++++--
 .../science/chemistry/openmolcas/openblasPath.patch | 13 +++++++++++++
 2 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/applications/science/chemistry/openmolcas/openblasPath.patch

diff --git a/pkgs/applications/science/chemistry/openmolcas/default.nix b/pkgs/applications/science/chemistry/openmolcas/default.nix
index 0d74e784d77..1b99fa40b56 100644
--- a/pkgs/applications/science/chemistry/openmolcas/default.nix
+++ b/pkgs/applications/science/chemistry/openmolcas/default.nix
@@ -23,7 +23,10 @@ in stdenv.mkDerivation {
     sha256 = "1wwqhkyyi7pw5x1ghnp83ir17zl5jsj7phhqxapybyi3bmg0i00q";
   };
 
-  patches = [ (fetchpatch {
+  patches = [
+    # Required to handle openblas multiple outputs
+    ./openblasPath.patch
+  (fetchpatch {
     name = "Fix-MPI-INT-size"; # upstream patch, fixes a Fortran compiler error
     url = "https://gitlab.com/Molcas/OpenMolcas/commit/860e3350523f05ab18e49a428febac8a4297b6e4.patch";
     sha256 = "0h96h5ikbi5l6ky41nkxmxfhjiykkiifq7vc2s3fdy1r1siv09sb";
@@ -55,7 +58,7 @@ in stdenv.mkDerivation {
     "-DTOOLS=ON"
     "-DHDF5=ON"
     "-DFDE=ON"
-    "-DOPENBLASROOT=${openblas}"
+    "-DOPENBLASROOT=${openblas.dev}"
   ];
 
   GAROOT=globalarrays;
diff --git a/pkgs/applications/science/chemistry/openmolcas/openblasPath.patch b/pkgs/applications/science/chemistry/openmolcas/openblasPath.patch
new file mode 100644
index 00000000000..62ffc8c4634
--- /dev/null
+++ b/pkgs/applications/science/chemistry/openmolcas/openblasPath.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 055ff8ef..3f60279b 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1436,7 +1436,7 @@ if (LINALG STREQUAL "OpenBLAS")
+                 NAMES openblas
+                 PATHS ${OPENBLASROOT}
+                 PATH_SUFFIXES lib
+-                NO_DEFAULT_PATH)
++                )
+ 
+         if (NOT LIBOPENBLAS)
+                 message (FATAL_ERROR