TRILAB-142 Change minimum CMake version to 3.12

1 files changed, 99 insertions, 80 deletions

diff --git a/config/cmake_ext_mod/HDFUseFortran.cmake b/config/cmake_ext_mod/HDFUseFortran.cmake
index 1cce918..b0f3972 100644
--- a/config/cmake_ext_mod/HDFUseFortran.cmake
+++ b/config/cmake_ext_mod/HDFUseFortran.cmake
@@ -16,6 +16,11 @@
 enable_language (Fortran)
 set (HDF_PREFIX "H5")
 
+if (NOT CMAKE_VERSION VERSION_LESS "3.14.0")
+  include (CheckFortranSourceRuns)
+  include (CheckFortranSourceCompiles)
+endif ()
+
 #-------------------------------------------------------------------------------
 #  Fix Fortran flags if we are compiling staticly on Windows using
 #  Windows_MT.cmake from config/cmake/UserMacros
@@ -42,71 +47,15 @@ file (STRINGS ${CMAKE_BINARY_DIR}/FCMangle.h CONTENTS REGEX "H5_FC_GLOBAL_\\(.*,
 string (REGEX MATCH "H5_FC_GLOBAL_\\(.*,.*\\) +(.*)" RESULT ${CONTENTS})
 set (H5_FC_FUNC_ "H5_FC_FUNC_(name,NAME) ${CMAKE_MATCH_1}")
 
-#-----------------------------------------------------------------------------
-# The provided CMake Fortran macros don't provide a general check function
-# so this one is used for a sizeof test.
-#-----------------------------------------------------------------------------
-macro (CHECK_FORTRAN_FEATURE FUNCTION CODE VARIABLE)
-    message (STATUS "Testing Fortran ${FUNCTION}")
-    if (HDF5_REQUIRED_LIBRARIES)
-      set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
-          "-DLINK_LIBRARIES:STRING=${HDF5_REQUIRED_LIBRARIES}")
-    else ()
-      set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
-    endif ()
-    file (WRITE
-        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
-        "${CODE}"
-    )
-    TRY_COMPILE (RESULT_VAR
-        ${CMAKE_BINARY_DIR}
-        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
-        CMAKE_FLAGS "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
-        OUTPUT_VARIABLE OUTPUT
-    )
-
-#    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
-#    message (STATUS "Test result ${OUTPUT}")
-#    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
-
-    if (${RESULT_VAR})
-      set (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
-      message (STATUS "Testing Fortran ${FUNCTION} - OK")
-      file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-          "Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
-          "${OUTPUT}\n\n"
-      )
-    else ()
-      message (STATUS "Testing Fortran ${FUNCTION} - Fail")
-      set (${VARIABLE} 0 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
-      file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-          "Determining if the Fortran ${FUNCTION} exists failed with the following output:\n"
-          "${OUTPUT}\n\n")
-    endif ()
-endmacro ()
-
-#-----------------------------------------------------------------------------
-# Configure Checks which require Fortran compilation must go in here
-# not in the main ConfigureChecks.cmake files, because if the user has
-# no Fortran compiler, problems arise.
-#
-# Be careful with leading spaces here, do not remove them.
-#-----------------------------------------------------------------------------
-
-# Check for Non-standard extension intrinsic function SIZEOF
-set (${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF FALSE)
-CHECK_FORTRAN_FEATURE(sizeof
+#test code source
+set (SIZEOF_CODE
   "
        PROGRAM main
        i = sizeof(x)
        END PROGRAM
   "
-  ${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF
 )
-
-# Check for F2008 standard intrinsic function C_SIZEOF
-set (${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF FALSE)
-CHECK_FORTRAN_FEATURE(c_sizeof
+set (C_SIZEOF_CODE
   "
        PROGRAM main
          USE ISO_C_BINDING
@@ -115,11 +64,8 @@ CHECK_FORTRAN_FEATURE(c_sizeof
          result = c_sizeof(a)
        END PROGRAM
   "
-  ${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF
 )
-
-# Check for F2008 standard intrinsic function STORAGE_SIZE
-CHECK_FORTRAN_FEATURE(storage_size
+set (STORAGE_SIZE_CODE
   "
        PROGRAM main
          INTEGER :: a
@@ -127,22 +73,15 @@ CHECK_FORTRAN_FEATURE(storage_size
          result = storage_size(a)
        END PROGRAM
   "
-  ${HDF_PREFIX}_FORTRAN_HAVE_STORAGE_SIZE
 )
-
-# Check for F2008 standard intrinsic module "ISO_FORTRAN_ENV"
-set (${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV FALSE)
-CHECK_FORTRAN_FEATURE(ISO_FORTRAN_ENV
+set (ISO_FORTRAN_ENV_CODE
   "
        PROGRAM main
          USE, INTRINSIC :: ISO_FORTRAN_ENV
        END PROGRAM
   "
-  ${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV
 )
-
-set (${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE FALSE)
-CHECK_FORTRAN_FEATURE(RealIsNotDouble
+set (REALISNOTDOUBLE_CODE
   "
        MODULE type_mod
          INTERFACE h5t
@@ -165,14 +104,8 @@ CHECK_FORTRAN_FEATURE(RealIsNotDouble
          CALL h5t(d)
        END PROGRAM main
   "
-  ${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE
 )
-
-#-----------------------------------------------------------------------------
-# Checks if the ISO_C_BINDING module meets all the requirements
-#-----------------------------------------------------------------------------
-set (${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING FALSE)
-CHECK_FORTRAN_FEATURE(iso_c_binding
+set (ISO_C_BINDING_CODE
   "
        PROGRAM main
             USE iso_c_binding
@@ -184,9 +117,95 @@ CHECK_FORTRAN_FEATURE(iso_c_binding
             ptr = C_LOC(ichr(1:1))
        END PROGRAM
   "
-  ${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING
 )
 
+if (NOT CMAKE_VERSION VERSION_LESS "3.14.0")
+  if (HDF5_REQUIRED_LIBRARIES)
+    set (CMAKE_REQUIRED_LIBRARIES "${HDF5_REQUIRED_LIBRARIES}")
+  endif ()
+  check_fortran_source_compiles (${SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF SRC_EXT f90)
+  check_fortran_source_compiles (${C_SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF SRC_EXT f90)
+  check_fortran_source_compiles (${STORAGE_SIZE_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_STORAGE_SIZE SRC_EXT f90)
+  check_fortran_source_compiles (${ISO_FORTRAN_ENV_CODE} ${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV SRC_EXT f90)
+  check_fortran_source_compiles (${REALISNOTDOUBLE_CODE} ${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE SRC_EXT f90)
+  check_fortran_source_compiles (${ISO_C_BINDING_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING SRC_EXT f90)
+else ()
+  #-----------------------------------------------------------------------------
+  # The provided CMake Fortran macros don't provide a general check function
+  # so this one is used for a sizeof test.
+  #-----------------------------------------------------------------------------
+  macro (CHECK_FORTRAN_FEATURE FUNCTION CODE VARIABLE)
+      message (STATUS "Testing Fortran ${FUNCTION}")
+      if (HDF5_REQUIRED_LIBRARIES)
+        set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
+            "-DLINK_LIBRARIES:STRING=${HDF5_REQUIRED_LIBRARIES}")
+      else ()
+        set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
+      endif ()
+      file (WRITE
+          ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
+          "${CODE}"
+      )
+      TRY_COMPILE (RESULT_VAR
+          ${CMAKE_BINARY_DIR}
+          ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f90
+          CMAKE_FLAGS "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
+          OUTPUT_VARIABLE OUTPUT
+      )
+
+  #    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
+  #    message (STATUS "Test result ${OUTPUT}")
+  #    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
+
+      if (${RESULT_VAR})
+        set (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
+        message (STATUS "Testing Fortran ${FUNCTION} - OK")
+        file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+            "Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
+            "${OUTPUT}\n\n"
+        )
+      else ()
+        message (STATUS "Testing Fortran ${FUNCTION} - Fail")
+        set (${VARIABLE} 0 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
+        file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+            "Determining if the Fortran ${FUNCTION} exists failed with the following output:\n"
+            "${OUTPUT}\n\n")
+      endif ()
+  endmacro ()
+
+  #-----------------------------------------------------------------------------
+  # Configure Checks which require Fortran compilation must go in here
+  # not in the main ConfigureChecks.cmake files, because if the user has
+  # no Fortran compiler, problems arise.
+  #
+  # Be careful with leading spaces here, do not remove them.
+  #-----------------------------------------------------------------------------
+
+  # Check for Non-standard extension intrinsic function SIZEOF
+  set (${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF FALSE)
+  CHECK_FORTRAN_FEATURE(${SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_SIZEOF)
+
+  # Check for F2008 standard intrinsic function C_SIZEOF
+  set (${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF FALSE)
+  CHECK_FORTRAN_FEATURE(${C_SIZEOF_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_C_SIZEOF)
+
+  # Check for F2008 standard intrinsic function STORAGE_SIZE
+  CHECK_FORTRAN_FEATURE(${STORAGE_SIZE_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_STORAGE_SIZE)
+
+  # Check for F2008 standard intrinsic module "ISO_FORTRAN_ENV"
+  set (${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV FALSE)
+  CHECK_FORTRAN_FEATURE(${ISO_FORTRAN_ENV_CODE} ${HDF_PREFIX}_HAVE_ISO_FORTRAN_ENV)
+
+  set (${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE FALSE)
+  CHECK_FORTRAN_FEATURE(${REALISNOTDOUBLE_CODE} ${HDF_PREFIX}_FORTRAN_DEFAULT_REAL_NOT_DOUBLE)
+
+  #-----------------------------------------------------------------------------
+  # Checks if the ISO_C_BINDING module meets all the requirements
+  #-----------------------------------------------------------------------------
+  set (${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING FALSE)
+  CHECK_FORTRAN_FEATURE(${ISO_C_BINDING_CODE} ${HDF_PREFIX}_FORTRAN_HAVE_ISO_C_BINDING)
+endif ()
+
 #-----------------------------------------------------------------------------
 # Add debug information (intel Fortran : JB)
 #-----------------------------------------------------------------------------