From ba8995ea4e7efc735446b42d8cc1aa07f8874eec Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 7 Apr 2022 14:42:02 +0200
Subject: [PATCH] Disable fallback to C_LAPACK for MSVC (needs fixes for
 complex)

---
 cmake/f_check.cmake | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/cmake/f_check.cmake b/cmake/f_check.cmake
index d86187ccc..09025f532 100644
--- a/cmake/f_check.cmake
+++ b/cmake/f_check.cmake
@@ -25,16 +25,19 @@ check_language(Fortran)
 if(CMAKE_Fortran_COMPILER)
   enable_language(Fortran)
 else()
-  if (NOT NO_LAPACK)
-	  message(STATUS "No Fortran compiler found, can build only BLAS and f2c-converted LAPACK")
-  endif()
-  #  set (NO_LAPACK 1)
-  set(C_LAPACK 1)
-  if (INTERFACE64)
-     set (CCOMMON_OPT "${CCOMMON_OPT} -DLAPACK_ILP64")
-  endif ()
-  set(TIMER "NONE")
   set (NOFORTRAN 1)
+  if (NOT NO_LAPACK)
+     if (NOT MSVC)
+	message(STATUS "No Fortran compiler found, can build only BLAS and f2c-converted LAPACK")
+	set(C_LAPACK 1)
+	if (INTERFACE64)
+	  set (CCOMMON_OPT "${CCOMMON_OPT} -DLAPACK_ILP64")
+  	endif ()
+	set(TIMER "NONE")
+     else ()
+       message(STATUS "No Fortran compiler found, can build only BLAS")
+     endif()  
+  endif()
 endif()
 
 if (NOT ONLY_CBLAS)