Merge pull request #2722 from martin-frbg/cmakefcheck

Handle lack of fortran compiler more gracefully in cmake
2020-07-17 10:33:03 +02:00
parent 4f5d26bb02 9d000ecaa2
commit 0db4218fed
1 changed files with 9 additions and 1 deletions
--- a/cmake/f_check.cmake
+++ b/cmake/f_check.cmake
@@ -21,7 +21,15 @@
 # NEED2UNDERSCORES

 if (NOT NO_LAPACK)
-  enable_language(Fortran)
+  include(CheckLanguage)
+  check_language(Fortran)
+  if(CMAKE_Fortran_COMPILER)
+    enable_language(Fortran)
+  else()
+  message(STATUS "No Fortran compiler found, can build only BLAS but not LAPACK")
+  set (NOFORTRAN 1)
+  set (NO_LAPACK 1)
+  endif()
 else()
  include(CMakeForceCompiler)
  CMAKE_FORCE_Fortran_COMPILER(gfortran GNU)