From 9c06b55e205b84a28bcd51e5c66a15ede0b40abf Mon Sep 17 00:00:00 2001
From: Ajay Panyala <ajay.panyala@gmail.com>
Date: Mon, 7 Mar 2022 19:30:28 -0800
Subject: [PATCH] Fixes #47

---
 CMakeLists.txt             |  6 ++-
 TESTING/EIG/CMakeLists.txt | 86 ++++++++++++++++-----------------
 TESTING/LIN/CMakeLists.txt | 98 +++++++++++++++++++-------------------
 3 files changed, 97 insertions(+), 93 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4d7665f..deb3b827 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,7 @@ if (MPI_FOUND)
       message(ERROR "--> MPI C Compiler NOT FOUND (please set MPI_BASE_DIR accordingly")
    else()
       message(STATUS "--> MPI C Compiler : ${MPI_C_COMPILER}")
-      SET(CMAKE_C_COMPILER "${MPI_C_COMPILER}")
+      #SET(CMAKE_C_COMPILER "${MPI_C_COMPILER}")
       message(STATUS "--> C Compiler : ${CMAKE_C_COMPILER}")
    endif()
    find_program(MPI_Fortran_COMPILER
@@ -255,6 +255,10 @@ else (UNIX) # Need to separate Fortran and C Code
    scalapack_install_library(scalapack-F)
 endif (UNIX)
 
+if(TARGET lapack)
+   add_dependencies(scalapack lapack)
+endif()
+
 option(SCALAPACK_BUILD_TESTS "Build all tests of the ScaLAPACK library" ON)
 if(${SCALAPACK_BUILD_TESTS})
   add_subdirectory(TESTING)
diff --git a/TESTING/EIG/CMakeLists.txt b/TESTING/EIG/CMakeLists.txt
index 19a1f34d..253624a5 100644
--- a/TESTING/EIG/CMakeLists.txt
+++ b/TESTING/EIG/CMakeLists.txt
@@ -53,49 +53,49 @@ pzsepchk.f pzsepqtq.f pzlatms.f pzseprtst.f pdsepinfo.f pzlagsy.f pzlasizesep.f
 add_executable(xshseqr pshseqrdriver.f psmatgen2.f ${cmatgen})
 add_executable(xdhseqr pdhseqrdriver.f pdmatgen2.f ${cmatgen})
 
-target_link_libraries(xsbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xshrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdhrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xchrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzhrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xstrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdtrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xctrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xztrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xssvd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdsvd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xssep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xznep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xcevc scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzevc scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xssyevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdsyevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcheevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzheevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xshseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdhseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+target_link_libraries(xsbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzbrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xshrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdhrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xchrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzhrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xstrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdtrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xctrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xztrd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xssvd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdsvd scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xssep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzgsep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcnep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xznep scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xcevc scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzevc scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xssyevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdsyevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcheevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzheevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xshseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdhseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
 
 if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
     set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory
diff --git a/TESTING/LIN/CMakeLists.txt b/TESTING/LIN/CMakeLists.txt
index 65f169ba..532c3b39 100644
--- a/TESTING/LIN/CMakeLists.txt
+++ b/TESTING/LIN/CMakeLists.txt
@@ -61,55 +61,55 @@ add_executable(xcls pclsdriver.f pclsinfo.f pcqrt13.f pcqrt14.f pcqrt16.f pcqrt1
 add_executable(xzls pzlsdriver.f pzlsinfo.f pzqrt13.f pzqrt14.f pzqrt16.f pzqrt17.f ${zmatgen})
 
 
-target_link_libraries(xslu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xclu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xddblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xddtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xspbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-
-target_link_libraries(xsls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xdls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xcls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
-target_link_libraries(xzls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+target_link_libraries(xslu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xclu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xddblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzdblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xddtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzdtlu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzgblu scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xspbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzpbllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzptllt scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzinv scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+
+target_link_libraries(xsls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xdls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xcls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
+target_link_libraries(xzls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MPI_Fortran_LIBRARIES})
 
 if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
     set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory