Skip tests that fail w/GCC<7.3 if detect older GCC

Author: Damian Rouson

CMakeLists.txt

@@ -660,12 +660,14 @@ if(opencoarrays_aware_compiler)
   # Pure send tests
   add_caf_test(send_array 2 send_array)
   add_caf_test(send_convert_char_array 2 send_convert_char_array)
-  add_caf_test(send_convert_nums 2 send_convert_nums)
 
   # Pure sendget tests
-  add_caf_test(sendget_convert_nums 3 sendget_convert_nums)
   add_caf_test(sendget_convert_char_array 3 sendget_convert_char_array)
   add_caf_test(strided_sendget 3 strided_sendget)
+  if (gfortran_compiler AND (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 7.3.0))
+    add_caf_test(sendget_convert_nums 3 sendget_convert_nums)
+    add_caf_test(send_convert_nums 2 send_convert_nums)
+  endif()
 
   add_caf_test(co_sum 4 co_sum_test)
   add_caf_test(co_broadcast 4 co_broadcast_test)

src/tests/unit/send-get/CMakeLists.txt

@@ -14,14 +14,24 @@ caf_compile_executable(get_with_vector_index get_with_vector_index.f90)
 
 ## Pure send() tests
 caf_compile_executable(send_array send_array_test.f90)
-caf_compile_executable(send_convert_nums send_convert_nums.f90)
 caf_compile_executable(send_convert_char_array send_convert_char_array.f90)
 caf_compile_executable(send_with_vector_index send_with_vector_index.f90)
 
 # Pure sendget() tests
-caf_compile_executable(sendget_convert_nums sendget_convert_nums.f90)
 caf_compile_executable(sendget_convert_char_array sendget_convert_char_array.f90)
 #caf_compile_executable(sendget_with_vector_index sendget_with_vector_index.f90)
 caf_compile_executable(strided_sendget strided_sendget.f90)
 set_target_properties(build_strided_sendget
   PROPERTIES MIN_IMAGES 3)
+
+if (gfortran_compiler AND (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 7.3.0))
+  caf_compile_executable(sendget_convert_nums sendget_convert_nums.f90)
+  caf_compile_executable(send_convert_nums send_convert_nums.f90)
+elseif((CAF_RUN_DEVELOPER_TESTS OR $ENV{OPENCOARRAYS_DEVELOPER}))
+  message( AUTHOR_WARNING
+    "Skipping building the following tests due to GFortran < 7.3.0 lack of compatibility:
+    sendget_convert_nums.f90"
+  )
+
+endif()
+