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226 lines
6.5 KiB
226 lines
6.5 KiB
# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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#
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# Author: George Shapovalov <george@gentoo.org>
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# Purpose: Contains common vars/locations and functions for use by gnat.eclass,
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# gnat.eselect and gnatbuild.eclass.
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#
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# NOTE!!!
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# This code should just define vars (try to limit these!) and simple functions.
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# No bash extensions!!
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# That is, no portage or eclass constructs are allowed!
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#
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# ----------------------------------
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# Globals
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# Environmantal stuff (for env update)
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SPECSDIR="/usr/share/gnat/eselect"
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ENVDIR="/etc/env.d"
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MARKER="55gnat-"
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# User configurable settings
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SETTINGSDIR="/etc/ada"
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PRIMELIST="${SETTINGSDIR}/primary_compilers"
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## Lib install locations
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##
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## Gnat profile dependent files go under under ${LibTop}/${Gnat_Profile}/${PN}
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## and common files go unde SpecsDir, DataDir
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#PREFIX=/usr
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## Replace %LIBDIR% below with $(get_libdir) in eclasses and ebuilds (top level Ok, inherit multilib)
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## or $(profile2libdir ${profile}) in this code, eselect module or anywhere
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## outside portage (as profile will be available only during actual execution, this only should
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## be done inside corresponding functions).
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#AdalibSpecsDir=${PREFIX}/include/ada
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#AdalibDataDir=${PREFIX}/share/ada
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#AdalibLibTop=${PREFIX}/%LIBDIR%/ada
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# ------------------------------------
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# Helpers
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#
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# get_all_profile_components splits gnat profile and returns pace separated list of its components:
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# x86_64-pc-linux-gnu-gnat-gcc-4.1 -> x86_64-pc-linux-gnu gcc 4.1
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# args:
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# $1 - the string to split
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get_all_profile_components() {
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local GnatSLOT=${1##*-}
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local remainder=${1%-*}
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local GnatPkg=${remainder##*-}
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remainder=${remainder%-gnat-*}
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echo "${remainder} ${GnatPkg} ${GnatSLOT}"
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}
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# similar to above, returns only SLOT component:
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# x86_64-pc-linux-gnu-gnat-gcc-4.1 -> 4.1
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# args:
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# $1 - the string to extract the slot from
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get_gnat_SLOT() {
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echo "${1##*-}"
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}
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# returns only Pkg component:
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# x86_64-pc-linux-gnu-gnat-gcc-4.1 -> gcc
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# args:
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# $1 - the string to extract the slot from
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get_gnat_Pkg() {
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local remainder=${1%-*}
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echo "${remainder##*-}"
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}
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# returns only Arch component:
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# x86_64-pc-linux-gnu-gnat-gcc-4.1 -> x86_64-pc-linux-gnu
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# args:
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# $1 - the string to extract the slot from
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get_gnat_Arch() {
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echo ${1%-gnat-*}
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}
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## -------------------------------------------
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# gnat profile and lib detection functions
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# create a list of all gnat env.d files
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# for now use trivial implementation - store name of active profile in the
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# env file name, so it gets called 55gnat-${ARCH}-${PN}-${SLOT}
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get_env_list() {
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for fn in ${ENVDIR}/${MARKER}*; do
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echo $(basename ${fn})
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done
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}
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# find all installed compilers and return a list
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find_all_compilers() {
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[[ ! -d ${SPECSDIR} ]] && exit
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for fn in ${SPECSDIR}/*; do
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[[ ! -d ${fn} ]] && echo $(basename ${fn});
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done
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}
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# find installed primary compilers and return a list
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find_primary_compilers() {
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[[ ! -f ${PRIMELIST} ]] && exit
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for fn in $(cat ${PRIMELIST}); do
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[[ -f ${SPECSDIR}/${fn} ]] && echo ${fn};
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done
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}
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# find installed libs and return a list
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find_all_libs() {
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[[ ! -d ${SPECSDIR} ]] && exit
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for fn in ${SPECSDIR}/*; do
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[[ -d ${fn} ]] && echo $(basename ${fn});
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done
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}
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# find libs that have been built for a given profile
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# Arguments:
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# $1 - gnat profile for which to detect active libs
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find_libs4profile() {
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libs=( $(find_all_libs) )
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for (( i = 0 ; i < ${#libs[@]} ; i = i + 1 )) ; do
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[[ -f ${SPECSDIR}/${libs[$i]}/$1 ]] && echo "${libs[$i]}"
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done
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}
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## -----------------------
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# main action - central part of do_set and helpers
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# extracts values of the passed var definition from given spec file
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# params:
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# $1: spec file (as generated by gnabuild.eclass)
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# $2: variable name
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get_var_from_spec() {
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local var=$(grep -e "^ *$2=" $1|cut -d= -f2)
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echo ${var}
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}
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# Cycle through given libs and form a ':' separated list of settings for the given
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# var. Repeating settings are omitted, that is unique entry is added only first
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# time it is encountered.
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#
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# params:
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# $1 - name of env var to process
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# $2 - name of gnat profile
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# $3.. - list of libs to check (to avoid its composition every time)
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# - the list is expanded to list of args at the point of call
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get_lib_var_settings() {
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local envVar=$1
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local toset=$2
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#echo "get_lib_var_settings params:$@" >> /tmp/eselect-gnat.rep
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if [[ "none" != ${3} ]]; then
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local envString
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local specLine=$(get_var_from_spec ${SPECSDIR}/$3/${toset} ${envVar})
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if [[ -n ${specLine} ]]; then
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envString="${specLine}"
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fi
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shift
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#
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while [[ -n $3 ]]; do
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specLine=$(get_var_from_spec ${SPECSDIR}/$3/${toset} ${envVar})
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#echo "$3:${specLine}." >> /tmp/eselect-gnat.rep
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if [[ -n ${specLine} ]] && [[ ! ${envString} =~ ${specLine} ]]; then
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envString="${envString}:${specLine}"
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fi
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shift
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done
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echo "${envString}"
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fi
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}
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# The action!
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# Part common for do_set and do_update of gnat.eselect, also used in gnat.eclass
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# to set environment during lib build and installation
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#
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# params:
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# $1 - profile to set (toset param inside)
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# $2 - envfile
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generate_envFile() {
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local toset=$1
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local envfile=$2
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local binpath="$(get_var_from_spec ${SPECSDIR}/${toset} binpath)"
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local libexecpath="$(get_var_from_spec ${SPECSDIR}/${toset} libexecpath)"
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local libs=( $(find_libs4profile ${toset}) )
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#echo "generate_envFile: ${libs[@]}" >> /tmp/eselect-gnat.rep
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if (( 0 == ${#libs[@]} )); then
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libs="none"
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fi
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local MyPath="${binpath}:${libexecpath}:$(get_lib_var_settings PATH ${toset} ${libs[@]})"
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echo "PATH=${MyPath}" > "${envfile}"
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echo "ROOTPATH=${MyPath}" >> "${envfile}"
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echo "MANPATH=$(get_var_from_spec ${SPECSDIR}/${toset} manpath):$(get_lib_var_settings MANPATH ${toset} ${libs[@]})" >> "${envfile}"
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echo "INFOPATH=$(get_var_from_spec ${SPECSDIR}/${toset} infopath):$(get_lib_var_settings INFOPATH ${toset} ${libs[@]})" >> "${envfile}"
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# the next three use the common base
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local libBase=$(get_var_from_spec ${SPECSDIR}/${toset} ldpath)
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echo "LDPATH=${libBase}:${libBase}/adalib:$(get_lib_var_settings LDPATH ${toset} ${libs[@]})" >> "${envfile}"
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echo "ADA_INCLUDE_PATH=${libBase}/adainclude:$(get_lib_var_settings ADA_INCLUDE_PATH ${toset} ${libs[@]})" >> "${envfile}"
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echo "ADA_OBJECTS_PATH=${libBase}/adalib:$(get_lib_var_settings ADA_OBJECTS_PATH ${toset} ${libs[@]})" >> "${envfile}"
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# ADA_PROJECT_PATH may not be set in any of the installed packages,
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# we should only create this line if cumulative var is non-empty
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My_ProjectPath=$(get_lib_var_settings ADA_PROJECT_PATH ${toset} ${libs[@]})
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if [[ -n ${My_ProjectPath} ]]; then
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echo "ADA_PROJECT_PATH=${My_ProjectPath}" >> "${envfile}"
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fi
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}
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