Merge branch 'release/0.9.0'

* release/0.9.0:
  Version 0.9.0
  Add ecbuild search hint parallel to source dir
  FCKIT-29 Migrate to ecbuild-3.4
  Fix mpi_info_null when eckit is compiled with MPI, but using serial backend

CMakeLists.txt

@@ -9,15 +9,9 @@
 ############################################################################################
 # FCKIT
 
-cmake_minimum_required( VERSION 3.6 FATAL_ERROR )
-if( POLICY CMP0074 )
-  cmake_policy( SET CMP0074 NEW )
-  # This policy allows to search for packages with <package>_ROOT variables
-  #                        (only supported with CMake 3.12 and above)
-  # This policy can be removed once cmake_minimum_required( VERSION 3.12 ) is used
-endif()
+cmake_minimum_required( VERSION 3.12 FATAL_ERROR )
 
-find_package( ecbuild 3.0.0 REQUIRED )
+find_package( ecbuild 3.0.0 REQUIRED HINTS ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/../ecbuild )
 
 project( fckit LANGUAGES C CXX Fortran )
 
@@ -80,7 +74,7 @@ if( NOT fckit_HAVE_FINAL )
     set( FCKIT_FINAL_BROKEN_FOR_AUTOMATIC_ARRAY   0 )
 endif()
 
-ecbuild_find_package( NAME eckit VERSION 0.21.0 QUIET )
+ecbuild_find_package( NAME eckit VERSION 1.5 QUIET )
 ecbuild_add_option( FEATURE ECKIT
                     DESCRIPTION "Wrap ecKit functionality"
                     CONDITION eckit_FOUND )
@@ -91,31 +85,19 @@ endif()
 ## MPI
 set( fckit_HAVE_ECKIT_MPI_PARALLEL 0 )
 if( fckit_HAVE_ECKIT )
-  if( NOT ECKIT_HAVE_MPI )
-    set( fckit_HAVE_ECKIT_MPI_PARALLEL 0 )
-    set( HAVE_MPI 0 )
-  else()
+  if( eckit_HAVE_MPI OR ECKIT_HAVE_MPI )
     set( fckit_HAVE_ECKIT_MPI_PARALLEL 1 )
     set( HAVE_MPI 1 )
+  else()
+    set( fckit_HAVE_ECKIT_MPI_PARALLEL 0 )
+    set( HAVE_MPI 0 )
   endif()
 endif()
 set( fckit_HAVE_MPI ${HAVE_MPI} )
 if( fckit_HAVE_ECKIT AND NOT fckit_HAVE_MPI )
   ecbuild_warn("ecKit has been compiled without MPI. This causes fckit to not be able to run parallel executables.")
 endif()
 
-if( eckit_VERSION VERSION_LESS "0.25" )
-  set( ECKIT_IMPROVED_MPI 0 )
-  if( fckit_HAVE_ECKIT )
-    ecbuild_warn( "eckit version does not allow support for" 
-                  "- fckit_mpi_comm%set_default()"
-                  "- fckit_mpi_comm%name()"
-                  "- fckit_mpi_comm%delete()" )
-  endif()
-else()
-  set( ECKIT_IMPROVED_MPI 1 )
-endif()
-
 ################################################################################################
 # export package info
 

README.md

@@ -29,7 +29,7 @@ Simply add following line to your project's CMakeLists.txt
 ```
 ecbuild_add_option( FEATURE FCTEST  DEFAULT ${ENABLE_TESTS}
                     DESCRIPTION "Fortran Unit Testing Framework"
-                    REQUIRED_PACKAGES "PROJECT fckit" )
+                    REQUIRED_PACKAGES "NAME fckit" )
 ```
 
 See src/examples folder how to add and create the unit-tests.

VERSION

@@ -1 +1,2 @@
-0.8.0
+0.9.0
+

bamboo/CLANG-env.sh

@@ -20,6 +20,6 @@ module unload libemos
 module unload metview
 module unload netcdf4
 
-module load cmake/3.10.2
+module load cmake/3.16.5
 
 module switch gnu clang

bamboo/GCC-env.sh

@@ -15,4 +15,4 @@ module unload libemos
 module unload metview
 module unload netcdf4
 
-module load cmake/3.10.2
+module load cmake/3.16.5

bamboo/INTEL-env.sh

@@ -15,6 +15,6 @@ module unload libemos
 module unload metview
 module unload netcdf4
 
-module load cmake/3.10.2
+module load cmake/3.16.5
 
 module switch gnu intel/17.0.3

doc/ford.md.in

@@ -70,7 +70,7 @@ Simply add following line to your project's CMakeLists.txt
 ```
 ecbuild_add_option( FEATURE FCTEST  DEFAULT ${ENABLE_TESTS}
                     DESCRIPTION "Fortran Unit Testing Framework"
-                    REQUIRED_PACKAGES "PROJECT fckit" )
+                    REQUIRED_PACKAGES "NAME fckit" )
 ```
 
 See src/examples folder how to add and create the unit-tests.

src/fckit/Libfckit.cc

@@ -11,7 +11,6 @@
 #include <algorithm>
 #include <string>
 
-#include "eckit/eckit_version.h"
 #include "fckit/Libfckit.h"
 #include "fckit/fckit.h"
 

src/fckit/fckit.h.in

@@ -67,8 +67,6 @@ does not compile
 #define FCKIT_ALLOCATE_CHARACTER( VARIABLE, SIZE ) allocate( character(len=(SIZE),kind=c_char) :: VARIABLE )
 #endif
 
-#define ECKIT_IMPROVED_MPI @ECKIT_IMPROVED_MPI@
-
 #if 0
 // clang-format on
 #endif

src/fckit/module/fckit_configuration.cc

@@ -21,13 +21,7 @@
 #include "eckit/exception/Exceptions.h"
 #include "eckit/filesystem/PathName.h"
 
-#include "eckit/eckit_version.h"
-#if 10000 * ECKIT_MAJOR_VERSION + 100 * ECKIT_MINOR_VERSION < 10400
-#include "eckit/parser/JSON.h"
-#else
 #include "eckit/log/JSON.h"
-#endif
-//#include "eckit/parser/JSONParser.h"
 
 using eckit::CodeLocation;
 using eckit::Configuration;

src/fckit/module/fckit_mpi.cc

@@ -76,31 +76,19 @@ void fckit__mpi__setCommDefault_name( const char* name ) {
 }
 
 void fckit__mpi__comm_set_default( Comm* comm ) {
-#if ECKIT_IMPROVED_MPI
     eckit::mpi::setCommDefault( comm->name().c_str() );
-#else
-    throw eckit::NotImplemented( "eckit::mpi::Comm::name() not implemented in used version of eckit", Here() );
-#endif
 }
 
 void fckit__mpi__comm_name( Comm* comm, char*& name, int32& size ) {
-#if ECKIT_IMPROVED_MPI
     std::string s = ( comm ? comm->name() : eckit::mpi::comm().name() );
     size          = int32( s.size() ) + 1;
     name          = new char[size];
     std::strcpy( name, s.c_str() );
-#else
-    throw eckit::NotImplemented( "eckit::mpi::Comm::name() not implemented in used version of eckit", Here() );
-#endif
 }
 
 void fckit__mpi__comm_delete( Comm* comm ) {
     if ( comm ) {
-#if ECKIT_IMPROVED_MPI
         eckit::mpi::deleteComm( comm->name().c_str() );
-#else
-        throw eckit::NotImplemented( "eckit::mpi::deleteComm() not implemented in used version of eckit", Here() );
-#endif
     }
 }
 
@@ -612,8 +600,16 @@ void fckit__mpi__wait( const Comm* comm, int32 request, int32* status ) {
 
 int32 fckit__mpi__mpi_info_null() {
 #if FCKIT_HAVE_ECKIT_MPI_PARALLEL
-    return MPI_Info_c2f( MPI_INFO_NULL );
+    int mpi_initialized;
+    if ( MPI_Initialized( &mpi_initialized ) == MPI_SUCCESS ) {
+        if ( mpi_initialized ) {
+            return MPI_Info_c2f( MPI_INFO_NULL );
+        }
+    }
+    // The case when eckit is compiled with MPI support, but using "serial" MPI backend
+    return 0;
 #else
+    // The case when eckit is not compiled with MPI support
     return 0;
 #endif
 }

src/tests/test_mpi.F90

@@ -656,7 +656,6 @@
 END_TEST
 
 TEST( test_split_comm_delete )
-#if ECKIT_IMPROVED_MPI
   use fckit_mpi_module
   use, intrinsic :: iso_c_binding
   implicit none
@@ -684,7 +683,6 @@
     enddo
 
   endif
-#endif
 END_TEST
 
 TEST( test_mpi_info_null )