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From 26db2da3eb84856d997e05caf9904a6b56eac1e8 Mon Sep 17 00:00:00 2001
From: Simon Maertens <simon@slmaertens.dev>
Date: Wed, 29 Nov 2023 14:30:30 +0000
Subject: [PATCH] Fixed Fortran compiler flags check for nagfor compiler and
 usage in CBLAS target

---
 CBLAS/CMakeLists.txt                 | 4 ++++
 CMAKE/CheckLAPACKCompilerFlags.cmake | 1 +
 2 files changed, 5 insertions(+)

diff --git a/CBLAS/CMakeLists.txt b/CBLAS/CMakeLists.txt
index c276f7da3d..b01d795af9 100644
--- a/CBLAS/CMakeLists.txt
+++ b/CBLAS/CMakeLists.txt
@@ -14,6 +14,10 @@ if(CMAKE_Fortran_COMPILER)
   FortranCInterface_HEADER(${LAPACK_BINARY_DIR}/include/cblas_mangling.h
                           MACRO_NAMESPACE "F77_"
                           SYMBOL_NAMESPACE "F77_")
+
+  # Check for any necessary platform specific compiler flags
+  include(CheckLAPACKCompilerFlags)
+  CheckLAPACKCompilerFlags()
 endif()
 if(NOT FortranCInterface_GLOBAL_FOUND OR NOT FortranCInterface_MODULE_FOUND)
   message(WARNING "Reverting to pre-defined include/cblas_mangling.h")
diff --git a/CMAKE/CheckLAPACKCompilerFlags.cmake b/CMAKE/CheckLAPACKCompilerFlags.cmake
index ecb5009ae5..653b817583 100644
--- a/CMAKE/CheckLAPACKCompilerFlags.cmake
+++ b/CMAKE/CheckLAPACKCompilerFlags.cmake
@@ -177,6 +177,7 @@ elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "NAG" )
   endif()
 
   # Suppress compiler banner and summary
+  include(CheckFortranCompilerFlag)
   check_fortran_compiler_flag("-quiet" _quiet)
   if( _quiet AND NOT ("${CMAKE_Fortran_FLAGS}" MATCHES "[-/]quiet") )
     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -quiet")