160 lines
3.7 KiB
Bash
160 lines
3.7 KiB
Bash
#----------------------------------*-sh-*--------------------------------------
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# ========= |
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# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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# \\ / O peration |
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# \\ / A nd | www.openfoam.com
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# \\/ M anipulation |
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#------------------------------------------------------------------------------
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# Copyright (C) 2021 OpenCFD Ltd.
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#------------------------------------------------------------------------------
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# License
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# This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
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#
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# Script
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# have_eigen
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#
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# Description
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# Detection/setup of EIGEN (Eigen3)
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#
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# Expects
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# config.sh/eigen
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#
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# Functions provided
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# have_eigen, no_eigen, echo_eigen, query_eigen, search_eigen
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#
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# Variables set on success
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# HAVE_EIGEN
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# EIGEN_INC_DIR
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#
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#------------------------------------------------------------------------------
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. ${WM_PROJECT_DIR:?}/wmake/scripts/sysFunctions # General system functions
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#------------------------------------------------------------------------------
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# Reset
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no_eigen()
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{
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unset HAVE_EIGEN EIGEN_INC_DIR EIGEN_LIB_DIR
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}
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# Report
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echo_eigen()
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{
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echo "eigen=${HAVE_EIGEN:-false}"
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echo "include=\"$EIGEN_INC_DIR\""
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}
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# Search
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# $1 : prefix (*_ARCH_PATH, system, ...)
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#
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# On success, return 0 and export variables
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# -> HAVE_EIGEN, EIGEN_INC_DIR
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search_eigen()
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{
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local warn # warn="==> skip eigen"
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local incName="Eigen/Eigen"
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local pkgName="eigen3"
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local sentinel="signature_of_eigen3_matrix_library"
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local prefix="${1:-system}"
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local header incdir
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# ----------------------------------
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if isNone "$prefix"
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then
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[ -n "$warn" ] && echo "$warn (disabled)"
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return 1
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elif hasAbsdir "$prefix"
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then
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header=$(findFirstFile "$prefix/include/$incName")
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elif isSystem "$prefix"
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then
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header=$(findSystemInclude -name="eigen3/$incName")
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# No system header, attempt discovery with pkg-config
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if [ -z "$header" ] && pkg-config --exists "$pkgName" 2>/dev/null
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then
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includeDirs=$(pkg-config --cflags-only-I "$pkgName" | sed -e 's/^-[IL]//; s/[ ]-[IL]/ /;')
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header="${includeDirs% *}/$incName" # First entry (ie, split on space)
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fi
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else
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unset prefix
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fi
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# ----------------------------------
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# Header
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[ -n "$header" ] || {
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[ -n "$warn" ] && echo "$warn (no header)"
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return 2
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}
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# ----------------------------------
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header="${header%/*}" # Strip one-level (include/Eigen/...)
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# OK
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export HAVE_EIGEN=true
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export EIGEN_INC_DIR="${header%/*}" # Basename
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}
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# Output as per search_* function
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have_eigen()
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{
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local warn # warn="==> skip eigen"
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local config="config.sh/eigen"
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local path="$EIGEN_ARCH_PATH"
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local file
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# Setup - current environment if set
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if [ -z "$path" ]
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then
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if file="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
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then
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. "$file"
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path="$EIGEN_ARCH_PATH"
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fi
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fi
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search_eigen "${path:-system}"
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}
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# Query settings
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query_eigen()
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{
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local config="config.sh/eigen"
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local file
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if file="$("$WM_PROJECT_DIR"/bin/foamEtcFile -mode=o "$config")"
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then
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. "$file"
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_process_query eigen "${EIGEN_ARCH_PATH:-system}"
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else
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echo "(no $config)" 1>&2
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echo "eigen=unknown"
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_process_query eigen "system"
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fi
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}
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#------------------------------------------------------------------------------
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# Reset
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no_eigen
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# Test/query
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case "$1" in
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-test)
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have_eigen
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echo_eigen
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;;
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-query)
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query_eigen
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;;
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esac
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#------------------------------------------------------------------------------
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