1 files changed, 147 insertions, 0 deletions
diff --git a/config/cmake/HDFFortranCompilerFlags.cmake b/config/cmake/HDFFortranCompilerFlags.cmake
new file mode 100644
index 0000000..a56ef28
--- /dev/null
+++ b/config/cmake/HDFFortranCompilerFlags.cmake
@@ -0,0 +1,147 @@
+#
+# Copyright by The HDF Group.
+# All rights reserved.
+#
+# This file is part of HDF5.  The full HDF5 copyright notice, including
+# terms governing use, modification, and redistribution, is contained in
+# the COPYING file, which can be found at the root of the source code
+# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# If you do not have access to either file, you may request a copy from
+# help@hdfgroup.org.
+#
+
+macro (ADD_H5_FFLAGS h5_fflag_var infile)
+  file (STRINGS ${infile} TEST_FLAG_STREAM)
+  #message (STATUS "TEST_FLAG_STREAM=${TEST_FLAG_STREAM}")
+  list (LENGTH TEST_FLAG_STREAM len_flag)
+  if (len_flag GREATER 0)
+    math (EXPR _FP_LEN "${len_flag} - 1")
+    foreach (line RANGE 0 ${_FP_LEN})
+      list (GET TEST_FLAG_STREAM ${line} str_flag)
+      string (REGEX REPLACE "^#.*" "" str_flag "${str_flag}")
+      #message (STATUS "str_flag=${str_flag}")
+      if (str_flag)
+        list (APPEND ${h5_fflag_var} "${str_flag}")
+      endif ()
+    endforeach ()
+  endif ()
+  #message (STATUS "h5_fflag_var=${${h5_fflag_var}}")
+endmacro ()
+
+message (STATUS "Warnings Configuration: default Fortran: ${CMAKE_Fortran_FLAGS}")
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to disable compiler warnings
+#-----------------------------------------------------------------------------
+if (HDF5_DISABLE_COMPILER_WARNINGS)
+  message (STATUS "....Compiler warnings are suppressed")
+  # MSVC uses /w to suppress warnings.  It also complains if another
+  # warning level is given, so remove it.
+  if (MSVC)
+    set (HDF5_WARNINGS_BLOCKED 1)
+    if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+      set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} /warn:none")
+    endif ()
+  endif ()
+  if (WIN32)
+    add_definitions (-D_CRT_SECURE_NO_WARNINGS)
+  endif ()
+  # Borland uses -w- to suppress warnings.
+  if (BORLAND)
+    set (HDF5_WARNINGS_BLOCKED 1)
+    set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -w-")
+  endif ()
+
+  # Most compilers use -w to suppress warnings.
+  if (NOT HDF5_WARNINGS_BLOCKED)
+    set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -w")
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# HDF5 library compile options
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# CDash is configured to only allow 3000 warnings, so
+# break into groups (from the config/gnu-flags file)
+#-----------------------------------------------------------------------------
+if (NOT MSVC)
+  # General flags
+  if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+    ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/ifort-general")
+    list (APPEND HDF5_CMAKE_Fortran_FLAGS "-stand:f03" "-free")
+  elseif (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
+    ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-general")
+    list (APPEND HDF5_CMAKE_Fortran_FLAGS "-ffree-form" "-fimplicit-none")
+    if (CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 8.0 AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.6)
+      list (APPEND HDF5_CMAKE_Fortran_FLAGS "-std=f2008ts")
+    else ()
+      list (APPEND HDF5_CMAKE_Fortran_FLAGS "-std=f2008")
+    endif ()
+  elseif (CMAKE_Fortran_COMPILER_ID STREQUAL "PGI")
+    list (APPEND HDF5_CMAKE_Fortran_FLAGS "-Mfreeform" "-Mdclchk" "-Mstandard" "-Mallocatable=03")
+  endif ()
+  message (STATUS "HDF5_CMAKE_Fortran_FLAGS=${HDF5_CMAKE_Fortran_FLAGS}")
+
+  if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
+    # Append warning flags that only gcc 4.4+ knows about
+    ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.4")
+
+    # Append more extra warning flags that only gcc 4.5+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.5)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.5")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.6+ know about
+    #if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.6)
+    #  ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.6")
+    #endif ()
+
+    # Append more extra warning flags that only gcc 4.7+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.7)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.7")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.8+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.8)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.8")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.9+ know about
+    #if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.9)
+    #  ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.9")
+    #endif ()
+
+    # Append more extra warning flags that only gcc 5.1+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 5.0)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-5")
+    endif ()
+
+    # Append more extra warning flags that only gcc 6.x+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 6.0)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-6")
+    endif ()
+
+    # Append more extra warning flags that only gcc 7.x+ know about
+    #if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 7.0)
+    #  ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-7")
+    #endif ()
+
+    # Append more extra warning flags that only gcc 8.x+ know about
+    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 8.0)
+      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-8")
+    endif ()
+
+    # Append more extra warning flags that only gcc 9.x+ know about
+    #if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 9.0)
+    #  ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-9")
+    #endif ()
+  endif ()
+else ()
+  if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+    #ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-ifort-general")
+    list (APPEND HDF5_CMAKE_Fortran_FLAGS "/warn:all" "/stand:f03" "/free")
+  endif ()
+endif ()
+