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.

Author: STCE2023

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()
-
-