openmolcas: fix build w.r.t. openblas

Fall out from switching openblas over to multiple outputs:
https://github.com/NixOS/nixpkgs/pull/98337

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;

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