Hdf5 1 10 merge warnings changes (#756)

* HDFFV-10865 - merge from dev, HDFArray perf fix.

* Remove duplicate setting

* Whitespace changes after clang format

* Undo version 11 clang format changes

* Merge CMake changes from develop

* test testing script merge from develop

* Update supported platforms

* PR#3 merge from develop

* Merge gcc 10 diagnostics option from develop

* Merge #318 OSX changes from develop

* Merge small changes from develop

* Minor non-space formatting changes

* #386 copyright corrections for java folder

* Merges from develop

#358 patches from vtk
#361 fix header guard spelling

* Merge updates

#358 patches from vtk
#361 fix header guard spelling

* format fix

* Fix missing underscore and make H5public.h closer to dev

* Merges from develop

#340 clang -Wformat-security warnings
#360 Fixed uninitialized warnings
header guard underscore cleanup
JNI cleanup

* format alignment

* Add missing test ref file

* Merge #380 from develop

* Finish java merges from develop

* Fix java issues with tests and javadoc

* Correct use of attribute access plist

* Remove debug code

* Remove unused variable

* Change file access to read only for java tests

* Split clang format operations.

* More javadoc comments

* Remove pre-split setting

* format source

* Change windows TS to use older VS.

* Mostly all javadoc fixes, one argument rename.

* synch file

* Merge of long double fix and compiler flags

* HDFFV-11229 merge changes from develop

* HDFFV-11229 correct test script

* HDFFV-11229 update autotools test script for two ref files

* HDFFV-11229 merge dev changes for long double display in tools

* Committing clang-format changes

* minor whitespace

* remove unneeded macro

* Committing clang-format changes

* Add "option" command for clang options

* Rework CMake add_custom to use the BYPRODUCTS argument

Update pkgconfig scripts for parallel builds.
Fix install COPYING file reference.
Remove unused round defines.
Change CMake default setting of BUILD_CPP to off.

* Fortran target depends

* Remove incorrect source attribute

* Revert define removal

* printf specifiers and VS2015 min changes

* Committing clang-format changes

* Add time struct

* TRILAB-227 and tools debug merges from develop

* Merge various changes from dev

* Issue #669 remove version from pkgcfg filename

* remove version from h5cc script

* doxygen changes merged from develop

* Committing clang-format changes

* Merge CMake fortran ninja changes from dev

* Enable fortran to gcc yaml

* Refactor Fortran CMake config tests and CMake test args

* Merge warnings files fixes from develop

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

1 files changed, 184 insertions, 0 deletions

diff --git a/config/intel-cxxflags b/config/intel-cxxflags
new file mode 100644
index 0000000..484100f
--- /dev/null
+++ b/config/intel-cxxflags
@@ -0,0 +1,184 @@
+#                            -*- shell-script -*-
+#
+# 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://www.hdfgroup.org/licenses.
+# If you do not have access to either file, you may request a copy from
+# help@hdfgroup.org.
+
+
+# This file should be sourced into configure if the compiler is the
+# Intel icpc compiler or a derivative.  It is careful not to do anything
+# if the compiler is not Intel; otherwise `cxx_flags_set' is set to `yes'
+#
+
+#
+# Prepend `$srcdir/config/intel-warnings/` to the filename suffix(es) given as
+# subroutine argument(s), remove comments starting with # and ending
+# at EOL, replace spans of whitespace (including newlines) with spaces,
+# and re-emit the file(s) thus filtered on the standard output stream.
+#
+load_intel_arguments()
+{
+    set -- $(for arg; do
+        sed 's,#.*$,,' $srcdir/config/intel-warnings/${arg}
+    done)
+    IFS=' ' echo "$*"
+}
+
+# Get the compiler version in a way that works for icpc
+# icpc unless a compiler version is already known
+#
+#   cxx_vendor:    The compiler name: icpc
+#   cxx_version:   Version number: 8.0
+#
+if test X = "X$cxx_flags_set"; then
+    cxx_version="`$CXX $CXXFLAGS $H5_CXXFLAGS -V 2>&1 |grep 'Version'`"
+    if test X != "X$cxx_version"; then
+        cxx_vendor=icpc
+        cxx_version=`echo $cxx_version |sed 's/.*Version \([-a-z0-9\.\-]*\).*/\1/'`
+        echo "compiler '$CXX' is Intel $cxx_vendor-$cxx_version"
+
+        # Some version numbers
+        # Intel version numbers are of the form: "major.minor"
+        cxx_vers_major=`echo $cxx_version | cut -f1 -d.`
+        cxx_vers_minor=`echo $cxx_version | cut -f2 -d.`
+        #cxx_vers_patch=`echo $cxx_version | cut -f2 -d.`
+        test -n "$cxx_vers_major" || cxx_vers_major=0
+        test -n "$cxx_vers_minor" || cxx_vers_minor=0
+        test -n "$cxx_vers_patch" || cxx_vers_patch=0
+        cxx_vers_all=`expr $cxx_vers_major '*' 1000000 + $cxx_vers_minor '*' 1000 + $cxx_vers_patch`
+    fi
+fi
+
+# Common Intel flags for various situations
+if test "X-icpc" = "X-$cxx_vendor"; then
+    # Insert section about version specific problems from compiler flags here,
+    # if necessary.
+
+    arch=
+    # Architecture-specific flags
+    # Nothing currently. (Uncomment code below and modify to add any)
+    #case "$host_os-$host_cpu" in
+    #    *-i686)
+    #        arch="-march=i686"
+    #        ;;
+    #esac
+
+    # Host-specific flags
+    # Nothing currently. (Uncomment code below and modify to add any)
+    #case "`hostname`" in
+    #    sleipnir.ncsa.uiuc.edu)
+    #        arch="$arch -pipe"
+    #        ;;
+    #esac
+
+    ###########
+    # General #
+    ###########
+
+    H5_CXXFLAGS="$H5_CXXFLAGS $arch"
+
+    ##############
+    # Production #
+    ##############
+
+    PROD_CXXFLAGS=
+
+    #########
+    # Debug #
+    #########
+
+    # NDEBUG is handled explicitly in configure
+    # -g is handled by the symbols flags
+    DEBUG_CXXFLAGS=
+
+    ###########
+    # Symbols #
+    ###########
+
+    NO_SYMBOLS_CXXFLAGS="-Wl,-s"
+    SYMBOLS_CXXFLAGS="-g"
+
+    #############
+    # Profiling #
+    #############
+
+    PROFILE_CXXFLAGS="-p"
+
+    ################
+    # Optimization #
+    ################
+
+    HIGH_OPT_CXXFLAGS="-O3"
+    DEBUG_OPT_CXXFLAGS="-O0"
+    NO_OPT_CXXFLAGS="-O0"
+
+    ############
+    # Warnings #
+    ############
+
+    ###########
+    # General #
+    ###########
+
+    # Add various general warning flags in intel-warnings.
+    # Use the C warnings as CXX warnings are the same
+    H5_CXXFLAGS="$H5_CXXFLAGS $(load_intel_arguments general)"
+
+    ######################
+    # Developer warnings #
+    ######################
+
+    # Use the C warnings as CXX warnings are the same
+    #NO_DEVELOPER_WARNING_CXXFLAGS=$(load_intel_arguments no-developer-general)
+    #DEVELOPER_WARNING_CXXFLAGS=$(load_intel_arguments developer-general)
+
+    #############################
+    # Version-specific warnings #
+    #############################
+
+    # intel == 8.0
+    if test $cxx_vers_major -eq 8 -a $cxx_vers_minor -eq 0; then
+        # v8.0 -O3 infinite loops when compiling test/tselect.c. Use -O2.
+        HIGH_OPT_CFLAGS="-O2"
+    fi
+
+    # intel == 10
+    if test $cxx_vers_major -eq 10; then
+        HIGH_OPT_CFLAGS="-O1"
+    fi
+
+    # intel >= 15
+    if test $cxx_vers_major -ge 15; then
+        # Use the C warnings as CXX warnings are the same
+        H5_CXXFLAGS="$H5_CXXFLAGS $(load_intel_arguments 15)"
+    fi
+
+    # intel >= 18
+    if test $cxx_vers_major -ge 18; then
+        # Use the C warnings as CXX warnings are the same
+        H5_CXXFLAGS="$H5_CXXFLAGS $(load_intel_arguments 18)"
+    fi
+
+    # intel <= 19
+    if test $cxx_vers_major -le 19; then
+        # Use the C warnings as CXX warnings are the same
+        H5_CXXFLAGS="$H5_CXXFLAGS $(load_intel_arguments general-19)"
+    fi
+
+    #################
+    # Flags are set #
+    #################
+    cxx_flags_set=yes
+fi
+
+# Clear cxx info if no flags set
+if test "X-$cxx_flags_set" = "X-"; then
+    cxx_vendor=
+    cxx_version=
+fi