From fc4d4ff59b0f9512d30f948976b1a8c73bdcefb4 Mon Sep 17 00:00:00 2001
From: Simon Maertens <maertens@stce.rwth-aachen.de>
Date: Fri, 5 Aug 2022 10:49:21 +0200
Subject: [PATCH 1/2] Propagate Fortran flags as well as linker flags to the
 time check subproject. Enable verbose output (will only show in the log
 files). Bit of formatting.

---
 CMAKE/CheckTimeFunction.cmake | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/CMAKE/CheckTimeFunction.cmake b/CMAKE/CheckTimeFunction.cmake
index d94c8a4006..2399684fc1 100644
--- a/CMAKE/CheckTimeFunction.cmake
+++ b/CMAKE/CheckTimeFunction.cmake
@@ -7,24 +7,25 @@
 
 macro(CHECK_TIME_FUNCTION FUNCTION VARIABLE)
 
-    try_compile(RES
+  try_compile(RES
     ${PROJECT_BINARY_DIR}/INSTALL
     ${PROJECT_SOURCE_DIR}/INSTALL
     TIMING secondtst_${FUNCTION}
     CMAKE_FLAGS
       -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${CMAKE_OSX_DEPLOYMENT_TARGET}
+      -DCMAKE_Fortran_FLAGS:STRING=${CMAKE_Fortran_FLAGS}
+      -DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS}
+      -DCMAKE_VERBOSE_MAKEFILE=ON
     OUTPUT_VARIABLE OUTPUT)
 
-    if(RES)
-      set(${VARIABLE} ${FUNCTION} CACHE INTERNAL "Have Fortran function ${FUNCTION}")
-      message(STATUS "Looking for Fortran ${FUNCTION} - found")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Fortran ${FUNCTION} exists. ${OUTPUT} \n\n")
-    else()
-      message(STATUS "Looking for Fortran ${FUNCTION} - not found")
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Fortran ${FUNCTION} does not exist. \n ${OUTPUT} \n")
-    endif()
+  if(RES)
+    set(${VARIABLE} ${FUNCTION} CACHE INTERNAL "Have Fortran function ${FUNCTION}")
+    message(STATUS "Looking for Fortran ${FUNCTION} - found")
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+      "Fortran ${FUNCTION} exists. ${OUTPUT} \n\n")
+  else()
+    message(STATUS "Looking for Fortran ${FUNCTION} - not found")
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+      "Fortran ${FUNCTION} does not exist. \n ${OUTPUT} \n")
+  endif()
 endmacro()
-
-

From 4c189dd8fce13022fc8a41bedb985fc73c022748 Mon Sep 17 00:00:00 2001
From: Simon Maertens <maertens@stce.rwth-aachen.de>
Date: Fri, 5 Aug 2022 11:02:36 +0200
Subject: [PATCH 2/2] Fixed default value for TIME_FUNC.

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3505b81b8b..41b3c138cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -257,7 +257,7 @@ CheckLAPACKCompilerFlags()
 # Check second function
 
 include(CheckTimeFunction)
-set(NONE ${TIME_FUNC})
+set(TIME_FUNC NONE)
 CHECK_TIME_FUNCTION(NONE TIME_FUNC)
 CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
 CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)