TRILAB-192 add c++ and fortran warnings build systems one file

2 files changed, 164 insertions, 4 deletions

diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake
index 03c6936..79e2bd2 100644
--- a/config/cmake/HDFCompilerFlags.cmake
+++ b/config/cmake/HDFCompilerFlags.cmake
@@ -133,6 +133,9 @@ if (NOT MSVC)
     elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
       ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general")
       message (STATUS "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}")
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-general")
+      endif ()
       ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general")
       # gcc automatically inlines based on the optimization level
       # this is just a failsafe
@@ -302,6 +305,9 @@ if (HDF5_ENABLE_ALL_WARNINGS)
   else ()
     if (CMAKE_COMPILER_IS_GNUCC)
       list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS0} ${H5_CFLAGS1} ${H5_CFLAGS2} ${H5_CFLAGS3} ${H5_CFLAGS4})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS0} ${H5_CFLAGS1} ${H5_CFLAGS2} ${H5_CFLAGS3} ${H5_CFLAGS4})
+      endif ()
     endif ()
   endif ()
 endif ()
@@ -322,6 +328,9 @@ if (HDF5_ENABLE_GROUPZERO_WARNINGS)
   else ()
     if (CMAKE_COMPILER_IS_GNUCC)
       list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS0})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS0})
+      endif ()
     endif ()
   endif ()
 endif ()
@@ -340,7 +349,12 @@ if (HDF5_ENABLE_GROUPONE_WARNINGS)
       list (APPEND HDF5_CMAKE_CXX_FLAGS "/W2")
     endif ()
   else ()
-    list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS1})
+    if (CMAKE_COMPILER_IS_GNUCC)
+      list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS1})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS1})
+      endif ()
+    endif ()
   endif ()
 endif ()
 
@@ -358,7 +372,12 @@ if (HDF5_ENABLE_GROUPTWO_WARNINGS)
       list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3")
     endif ()
   else ()
-    list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS2})
+    if (CMAKE_COMPILER_IS_GNUCC)
+      list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS2})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS2})
+      endif ()
+    endif ()
   endif ()
 endif ()
 
@@ -376,7 +395,12 @@ if (HDF5_ENABLE_GROUPTHREE_WARNINGS)
       list (APPEND HDF5_CMAKE_CXX_FLAGS "/W4")
     endif ()
   else ()
-    list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS3})
+    if (CMAKE_COMPILER_IS_GNUCC)
+      list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS3})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS3})
+      endif ()
+    endif ()
   endif ()
 endif ()
 
@@ -387,7 +411,12 @@ option (HDF5_ENABLE_GROUPFOUR_WARNINGS "Enable group four warnings" OFF)
 if (HDF5_ENABLE_GROUPFOUR_WARNINGS)
   message (STATUS "....Group Four warnings are enabled")
   if (NOT MSVC)
-    list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS4})
+    if (CMAKE_COMPILER_IS_GNUCC)
+      list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS4})
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS4})
+      endif ()
+    endif ()
   endif ()
 endif ()
 
diff --git a/config/cmake/HDFFortranCompilerFlags.cmake b/config/cmake/HDFFortranCompilerFlags.cmake
new file mode 100644
index 0000000..8d59cd0
--- /dev/null
+++ b/config/cmake/HDFFortranCompilerFlags.cmake
@@ -0,0 +1,131 @@
+#
+# 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: ${CMAKE_Fortran_FLAGS}")
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to disable compiler warnings
+#-----------------------------------------------------------------------------
+option (HDF5_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" OFF)
+if (HDF5_DISABLE_COMPILER_WARNINGS)
+  message (STATUS "....Compiler warnings are suppressed")
+  # MSVC uses /w to suppress warnings.  It also complains if another
+  # warning level is given, so remove it.
+  if (MSVC)
+    set (HDF5_WARNINGS_BLOCKED 1)
+    string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+    set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} /W0")
+  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
+#-----------------------------------------------------------------------------
+
+# General flags
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/intel-ifort-general")
+  list (APPEND CMAKE_Fortran_FLAGS "-stand f08 -free -implicitnone")
+elseif (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-general")
+  list (APPEND CMAKE_Fortran_FLAGS "-ffree-form -std=f2008 -fimplicit-none")
+elseif (CMAKE_Fortran_COMPILER_ID STREQUAL "PGI")
+  list (APPEND CMAKE_Fortran_FLAGS "-Mfreeform -Mdclchk -Mstandard -Mallocatable=03")
+endif ()
+message (STATUS "CMAKE_Fortran_FLAGS=${CMAKE_Fortran_FLAGS}")
+
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
+  # Append warning flags that only gcc 4.4+ knows about
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.4")
+endif ()
+
+# Append more extra warning flags that only gcc 4.5+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.5)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.5")
+endif ()
+
+# Append more extra warning flags that only gcc 4.6+ know about
+#if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.6)
+#  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.6")
+#endif ()
+
+# Append more extra warning flags that only gcc 4.7+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.7)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.7")
+endif ()
+
+# Append more extra warning flags that only gcc 4.8+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.8)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.8")
+endif ()
+
+# Append more extra warning flags that only gcc 4.9+ know about
+#if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 4.9)
+#  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-4.9")
+#endif ()
+
+# Append more extra warning flags that only gcc 5.1+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 5.0)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-5")
+endif ()
+
+# Append more extra warning flags that only gcc 6.x+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 6.0)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-6")
+endif ()
+
+# Append more extra warning flags that only gcc 7.x+ know about
+#if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 7.0)
+#  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-7")
+#endif ()
+
+# Append more extra warning flags that only gcc 8.x+ know about
+if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 8.0)
+  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-8")
+endif ()
+
+# Append more extra warning flags that only gcc 9.x+ know about
+#if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 9.0)
+#  ADD_H5_FLAGS (CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-9")
+#endif ()
+