Merge branch 'hdf5_1_8' of ssh://bitbucket.hdfgroup.org:7999/~hdftest/hdf5_hft into hdf5_1_8

1 files changed, 441 insertions, 0 deletions

diff --git a/config/cmake/HDFCXXCompilerFlags.cmake b/config/cmake/HDFCXXCompilerFlags.cmake
new file mode 100644
index 0000000..6aa8784
--- /dev/null
+++ b/config/cmake/HDFCXXCompilerFlags.cmake
@@ -0,0 +1,441 @@
+#
+# 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.
+#
+set(CMAKE_CXX_STANDARD 98)
+set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+macro (ADD_H5_FLAGS h5_flag_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 ${h5_flag_var} "${str_flag}")
+      endif ()
+    endforeach ()
+  endif ()
+  #message (STATUS "h5_flag_var=${${h5_flag_var}}")
+endmacro ()
+
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_SANITIZER_FLAGS} ${CMAKE_CXX_FLAGS}")
+message (STATUS "Warnings Configuration: CXX default:  ${CMAKE_CXX_FLAGS}")
+#-----------------------------------------------------------------------------
+# Compiler specific flags : Shouldn't there be compiler tests for these
+#-----------------------------------------------------------------------------
+if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+  set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
+  if (${HDF_CFG_NAME} MATCHES "Debug")
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Og -ftrapv -fno-common")
+    endif ()
+  else ()
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt")
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# 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_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W0")
+    endif ()
+  endif ()
+  if (WIN32)
+    add_definitions (-D_CRT_SECURE_NO_WARNINGS)
+  endif ()
+
+  # Most compilers use -w to suppress warnings.
+  if (NOT HDF5_WARNINGS_BLOCKED)
+    if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
+    endif ()
+  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)
+  if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+    list (APPEND HDF5_CMAKE_CXX_FLAGS "-erroff=%none -DBSD_COMP")
+  else ()
+    # General flags
+    #
+    # Note that some of the flags listed here really should be developer
+    # flags (listed in a separate variable, below) but we put them here
+    # because they are not raised by the current code and we'd like to
+    # know if they do start showing up.
+    #
+    # NOTE: Don't add -Wpadded here since we can't/won't fix the (many)
+    # warnings that are emitted. If you need it, add it at configure time.
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+      ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general")
+      if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
+        list (APPEND H5_CXXFLAGS0 "-Wextra-tokens -Wformat -Wformat-security -Wic-pointer -Wshadow")
+        list (APPEND H5_CXXFLAGS0 "-Wsign-compare -Wtrigraphs -Wwrite-strings")
+      endif()
+    elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general")
+        ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-general")
+      endif ()
+    elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+      ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general")
+    elseif (CMAKE_CXX_COMPILER_ID STREQUAL "PGI")
+      list (APPEND HDF5_CMAKE_CXX_FLAGS "-Minform=inform")
+    endif ()
+    message (STATUS "CMAKE_CXX_FLAGS_GENERAL=${HDF5_CMAKE_CXX_FLAGS}")
+  endif ()
+
+  #-----------------------------------------------------------------------------
+  # Option to allow the user to enable developer warnings
+  # Developer warnings (suggestions from gcc, not code problems)
+  #-----------------------------------------------------------------------------
+  if (HDF5_ENABLE_DEV_WARNINGS)
+    message (STATUS "....HDF5 developer group warnings are enabled")
+  #  if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+  #    list (APPEND H5_CXXFLAGS0 "-Winline -Wreorder -Wport -Wstrict-aliasing")
+  #  elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general")
+  #  elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  #    ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general")
+    endif ()
+  else ()
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general")
+  #  elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  #    ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general")
+    endif ()
+  endif ()
+
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    # Append warning flags that only gcc 4.3+ knows about
+    # autotools always add the C flags with the CXX flags
+    ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.3")
+    #
+    # Technically, variable-length arrays are part of the C99 standard, but
+    #   we should approach them a bit cautiously... Only needed for gcc 4.X
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.last")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.4+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.4")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.5+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.5")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.5")
+      else ()
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.5")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.6 and less know about
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.6")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.5-4.6 know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5 AND CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.5-4.6")
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.6+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.6")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.6")
+      else ()
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.6")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.7+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.7")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.7")
+      else ()
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.7")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.8+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8")
+      else ()
+        ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 4.9+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9")
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-4.9")
+    endif ()
+
+    # Append more extra warning flags that only gcc 5.1+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/5")
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5")
+    endif ()
+
+    # Append more extra warning flags that only gcc 6.x+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/6")
+    endif ()
+
+    # Append more extra warning flags that only gcc 7.x+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXxFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/7")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7")
+      #else ()
+      #  ADD_H5_FLAGS (H5_CXXFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 8.x+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/8")
+      if (HDF5_ENABLE_DEV_WARNINGS)
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8")
+      else ()
+        # autotools always add the C flags with the CXX flags
+        ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8")
+      endif ()
+    endif ()
+
+    # Append more extra warning flags that only gcc 9.x+ know about
+    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
+      # autotools always add the C flags with the CXX flags
+      ADD_H5_FLAGS (H5_CXXFLAGS4 "${HDF5_SOURCE_DIR}/config/gnu-warnings/9")
+    endif ()
+  endif ()
+else ()
+    list (APPEND HDF5_CMAKE_CXX_FLAGS "/EHsc")
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable all warnings
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_ALL_WARNINGS)
+  message (STATUS "....All Warnings are enabled")
+  if (MSVC)
+    if (HDF5_ENABLE_DEV_WARNINGS)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+        list (APPEND HDF5_CMAKE_CXX_FLAGS "/Wall /wd4668")
+      endif ()
+    else ()
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+        list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3")
+      endif ()
+    endif ()
+  else ()
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS0} ${H5_CXXFLAGS1} ${H5_CXXFLAGS2} ${H5_CXXFLAGS3} ${H5_CXXFLAGS4})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_GROUPZERO_WARNINGS)
+  message (STATUS "....Group Zero warnings are enabled")
+  if (MSVC)
+    if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}")
+      list (APPEND HDF5_CMAKE_CXX_FLAGS "/W1")
+    endif ()
+  else ()
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS0})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_GROUPONE_WARNINGS)
+  message (STATUS "....Group One warnings are enabled")
+  if (MSVC)
+    if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}")
+      list (APPEND HDF5_CMAKE_CXX_FLAGS "/W2")
+    endif ()
+  else ()
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS1})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_GROUPTWO_WARNINGS)
+  message (STATUS "....Group Two warnings are enabled")
+  if (MSVC)
+    if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}")
+      list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3")
+    endif ()
+  else ()
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS2})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_GROUPTHREE_WARNINGS)
+  message (STATUS "....Group Three warnings are enabled")
+  if (MSVC)
+    if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+      string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}")
+      list (APPEND HDF5_CMAKE_CXX_FLAGS "/W4")
+    endif ()
+  else ()
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS3})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_GROUPFOUR_WARNINGS)
+  message (STATUS "....Group Four warnings are enabled")
+  if (NOT MSVC)
+    if (CMAKE_COMPILER_IS_GNUCC)
+      if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+        list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CFLAGS4})
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# This is in here to help some of the GCC based IDES like Eclipse
+# and code blocks parse the compiler errors and warnings better.
+#-----------------------------------------------------------------------------
+if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
+  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0")
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option for --enable-symbols
+# This option will force/override the default setting for all configurations
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_SYMBOLS MATCHES "YES")
+  if(CMAKE_CXX_COMPILER_LOADED)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
+    elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
+    endif ()
+  endif ()
+elseif (HDF5_ENABLE_SYMBOLS MATCHES "NO")
+  if(CMAKE_CXX_COMPILER_LOADED)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+      set (CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -Wl,-s")
+    elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s")
+    endif ()
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option for --enable-profiling
+# This option will force/override the default setting for all configurations
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_PROFILING)
+  if(CMAKE_CXX_COMPILER_LOADED)
+    list (APPEND HDF5_CMAKE_CXX_FLAGS "${PROFILE_CXXFLAGS}")
+  endif ()
+endif ()
+
+#-----------------------------------------------------------------------------
+# Option for --enable-optimization
+# This option will force/override the default setting for all configurations
+#-----------------------------------------------------------------------------
+if (HDF5_ENABLE_OPTIMIZATION)
+  if(CMAKE_CXX_COMPILER_LOADED)
+    list (APPEND HDF5_CMAKE_CXX_FLAGS "${OPTIMIZE_CXXFLAGS}")
+  endif ()
+endif ()