Fixes from M1 work

CHANGELOG.md

@@ -10,10 +10,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fixed duration of the clock to be the smaller of the user specified duration and (END_DATE - currTime)
+- Fixes for compiling on M1 Macs (remove REAL128)
+- Fix for CMake when `esmf` is already a target
 
 ### Added
-- New cmake option USE_EXTDATA2G to enable the next generation of ExtData for development, by default uses 1st generation ExtData
 
+- New cmake option USE_EXTDATA2G to enable the next generation of ExtData for development, by default uses 1st generation ExtData
 - MAPL_ESMFFieldBundleRead/Write modules are now available in when using MAPL
 
 ### Changed

CMakeLists.txt

@@ -122,7 +122,9 @@ if (NOT Baselibs_FOUND)
      add_definitions(-DH5_HAVE_PARALLEL)
   endif()
 
-  find_package(ESMF MODULE REQUIRED)
+  if (NOT TARGET esmf)
+    find_package(ESMF MODULE REQUIRED)
+  endif ()
 endif ()
 
 if (BUILD_WITH_PFLOGGER)

profiler/MeterNode.F90

@@ -1,5 +1,5 @@
 module MAPL_MeterNode
-   use, intrinsic :: iso_fortran_env, only: REAL64, REAL128
+   use, intrinsic :: iso_fortran_env, only: REAL64
    use MAPL_AbstractMeter
    use MAPL_AbstractMeterNode
    use MAPL_MeterNodeVector
@@ -67,10 +67,10 @@ module MAPL_MeterNode
    interface MeterNodeIterator
       module procedure new_MeterNodeIterator
    end interface MeterNodeIterator
-      
+
 
    integer, parameter :: NOT_FOUND = -1
-   
+
 contains
 
 
@@ -79,7 +79,7 @@ function new_MeterNode(name, meter, depth) result(tree)
       character(*), intent(in) :: name
       class(AbstractMeter), intent(in) :: meter
       integer, optional, intent(in) :: depth
-      
+
       tree%name = name
       tree%meter = meter
 
@@ -99,14 +99,14 @@ function get_meter(this) result(meter)
       class (MeterNode), target, intent(in) :: this
       meter => this%meter
    end function get_meter
-   
+
 
    function get_name(this) result(name)
       character(:), pointer :: name
       class (MeterNode), target, intent(in) :: this
       name => this%name
    end function get_name
-   
+
 
    function get_inclusive(this) result(inclusive)
       real(kind=REAL64) :: inclusive
@@ -121,11 +121,14 @@ function get_exclusive(this) result(exclusive)
 
       type (MeterNodevectorIterator) :: iter
       class (AbstractMeterNode), pointer :: child
-      real(kind=REAL128) :: tmp
+      real(kind=REAL64) :: tmp
+
+      ! Subtract time of submeters from time of node meter.
+      ! Previously, this used 128-bit precision to avoid negative
+      ! exclusive times due to roundoff. But the GNU on M1 and NVHPC do
+      ! not allow REAL128. So tmp is now 64-bit and we use a max(tmp,0)
+      ! below to try and cap negatives
 
-      ! Subtract time of submeters from time of node meter.  Note the
-      ! use of 128-bit precision to avoid negative exclusive times due
-      ! to roundoff.
       tmp = this%get_inclusive()
 
       iter = this%children%begin()
@@ -135,7 +138,7 @@ function get_exclusive(this) result(exclusive)
          call iter%next()
       end do
 
-      exclusive = tmp
+      exclusive = max(tmp, 0.0_REAL64)
    end function get_exclusive
 
 
@@ -178,7 +181,7 @@ function get_child(this, name) result(child)
       character(*), intent(in) :: name
 
       integer :: idx
-      
+
       idx = this%find_child(name)
       if (idx /= NOT_FOUND) then
          child => this%children%at(idx)
@@ -232,7 +235,7 @@ recursive integer function get_num_nodes(this) result(num_nodes)
       type (MeterNodeVectorIterator) :: iter
 
       class (AbstractMeterNode), pointer :: child
-      
+
       num_nodes = 1
       iter = this%children%begin()
       do while (iter /= this%children%end())
@@ -271,7 +274,7 @@ function begin(this) result(iterator)
       allocate(iterator, source=MeterNodeIterator(this))
 
    end function begin
-      
+
 
 
    function end(this) result(iterator)
@@ -293,7 +296,7 @@ function end(this) result(iterator)
 
    end function end
 
-   
+
    recursive subroutine next(this)
       class (MeterNodeIterator), intent(inout) :: this
       class (AbstractMeterNode), pointer :: current_child
@@ -318,15 +321,15 @@ recursive subroutine next(this)
             deallocate(this%iterator_of_current_child)
             call this%iterator_over_children%next()
             if (this%iterator_over_children == this%reference%children%end()) then ! done
-               deallocate(this%iterator_over_children) 
+               deallocate(this%iterator_over_children)
             else
                current_child => this%iterator_over_children%get()
                this%iterator_of_current_child = current_child%begin() ! always at least one node
                this%current => this%iterator_of_current_child%get()
             end if
          end if
       end if
-      
+
    end subroutine next
 
 
@@ -360,7 +363,7 @@ logical function equals(a, b)
       type is (MeterNodeIterator)
          equals = associated(a%reference, b%reference)
          if (.not. equals) return
-         
+
          equals = associated(a%current) .eqv. associated(b%current)
          if (.not. equals) return
 
@@ -423,7 +426,7 @@ recursive subroutine accumulate(this, other)
          call t%reset()
       end if
       call t%accumulate(other%get_meter())
-         
+
       ! recurse over children of other
       iter = other%begin()
       call iter%next() ! skip top node (already handled)
@@ -434,5 +437,5 @@ recursive subroutine accumulate(this, other)
 
    end subroutine accumulate
 
-   
+
 end module MAPL_MeterNode