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https://github.com/HDFGroup/hdf5.git
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d5267f096e
* Adds a config/clang-fflags options file to support Flang * Corrects missing "-Wl," from linker options in the libtool wrappers when using Flang, the MPI Fortran compiler wrappers, and building the shared library. This would often result in unrecognized options like -soname. * Enable -nomp w/ Flang to avoid linking to the OpenMPI library. CMake can build the parallel, shared library w/ Fortran using AOCC and Flang, so no changes were needed for that build system. Fixes GitHub issues #3439, #1588, #366, #280
140 lines
3.3 KiB
Bash
140 lines
3.3 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by The HDF Group.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://www.hdfgroup.org/licenses.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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# This file should be sourced into configure if the compiler is the
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# Clang Fortran compiler (flang) or a derivative. It is careful not to do
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# anything if the compiler is not Clang; otherwise 'cc_flags_set' is set
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# to 'yes'
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#
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# Get the compiler version in a way that works for clang
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# unless a compiler version is already known
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#
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# cc_vendor: The compiler name: flang
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# cc_version: Version number: 6.0.0, 7.3.0, ... 10.0.1
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#
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if test "X-" = "X-$f9x_flags_set"; then
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# flang -v will return version number following "clang"
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f9x_version="`$FC $FCFLAGS $H5_FCFLAGS -v 2>&1 |\
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grep 'clang version' | sed 's/.*clang version \([-a-z0-9\.]*\).*/\1/'`"
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if test -n "$f9x_version"; then
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f9x_vendor="flang"
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fi
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if test "X-" != "X-$f9x_version"; then
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# Get the compiler version numbers
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f9x_vers_major=`echo $f9x_version | cut -f1 -d.`
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f9x_vers_minor=`echo $f9x_version | cut -f2 -d.`
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f9x_vers_patch=`echo $f9x_version | cut -f3 -d.`
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test -n "$f9x_vers_major" || f9x_vers_major=0
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test -n "$f9x_vers_minor" || f9x_vers_minor=0
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test -n "$f9x_vers_patch" || f9x_vers_patch=0
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fi
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fi
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if test "X-flang" = "X-$f9x_vendor"; then
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echo "compiler '$FC' is $f9x_vendor-$f9x_version"
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FC_BASENAME=flang
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F9XSUFFIXFLAG=""
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FSEARCH_DIRS=""
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###############################
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# Architecture-specific flags #
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###############################
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arch=
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# Nothing currently. (Uncomment code below and modify to add any)
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#case "$host_os-$host_cpu" in
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# *-i686)
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# arch="-march=i686"
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# ;;
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#esac
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H5_FCFLAGS="$H5_FCFLAGS $arch"
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##############
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# Production #
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##############
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PROD_FCFLAGS=
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#########
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# Debug #
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#########
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DEBUG_FCFLAGS=
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########################
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# Enhanced Diagnostics #
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########################
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NO_DIAGS_FCFLAGS=
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DIAGS_FCFLAGS=
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###########
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# Symbols #
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###########
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NO_SYMBOLS_FCFLAGS=
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SYMBOLS_FCFLAGS=
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#############
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# Profiling #
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#############
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PROFILE_FCFLAGS=
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################
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# Optimization #
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################
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HIGH_OPT_FCFLAGS="-O3"
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NO_OPT_FCFLAGS="-O0"
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DEBUG_OPT_FCFLAGS="-O0"
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############
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# Warnings #
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############
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###########
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# General #
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###########
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# We don't use OpenMP, so don't link to it
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H5_FCFLAGS="$H5_FCFLAGS -nomp"
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######################
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# Developer warnings #
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######################
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NO_DEVELOPER_WARNING_FCFLAGS=
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DEVELOPER_WARNING_FCFLAGS=
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#############################
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# Version-specific warnings #
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#############################
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#################
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# Flags are set #
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#################
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f9x_flags_set=yes
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fi
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# Clear f9x info if no flags set
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if test "X$f9x_flags_set" = "X"; then
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f9x_vendor=
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f9x_version=
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fi
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