119 lines
2.6 KiB
Bash
Executable File
119 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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## Source this file.
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## Usage: apply [vanilla | vanilla-nocache | *eh_elf] [dbg | *release]
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# ==== INPUT ACQUISITION ====
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flavour="eh_elf"
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dbg="release"
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while [ "$#" -gt 0 ] ; do
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case "$1" in
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"vanilla" | "vanilla-nocache" | "eh_elf")
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flavour="$1"
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;;
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"dbg" | "release")
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dbg="$1"
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;;
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*)
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>&2 echo "Unknown argument: $1"
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exit 1
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;;
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esac
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shift
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done
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# ==== UNSET PREVIOUS ENVIRONMENT ====
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type -t deactivate
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[ -n "$(type -t deactivate)" ] && deactivate
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# ==== DEFINE DEACTIVATE ====
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function deactivate {
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export CPATH="$CPATH_EHELFSAVE"
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export LIBRARY_PATH="$LIBRARY_PATH_EHELFSAVE"
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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH_EHELFSAVE"
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export PS1="$PS1_EHELFSAVE"
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export PATH="$PATH_EHELFSAVE"
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unset CPATH_EHELFSAVE
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unset LIBRARY_PATH_EHELFSAVE
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unset LD_LIBRARY_PATH_EHELFSAVE
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unset PS1_EHELFSAVE
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unset PATH_EHELFSAVE
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unset deactivate
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}
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# ==== PREFIX ====
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export PERF_PREFIX="$HOME/local/perf-$flavour"
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LIBUNWIND_PREFIX="$HOME/local/libunwind"
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case "$flavour" in
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"vanilla" | "vanilla-nocache" )
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LIBUNWIND_PREFIX="${LIBUNWIND_PREFIX}-vanilla"
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;;
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"eh_elf" )
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LIBUNWIND_PREFIX="${LIBUNWIND_PREFIX}-eh_elf"
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;;
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* )
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>&2 echo "$flavour: unknown flavour"
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exit 1
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;;
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esac
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case "$dbg" in
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"dbg" )
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LIBUNWIND_PREFIX="${LIBUNWIND_PREFIX}-dbg"
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;;
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"release" )
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LIBUNWIND_PREFIX="${LIBUNWIND_PREFIX}-release"
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;;
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* )
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>&2 echo "$dbg: unknown debug mode (release | dbg)"
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exit 1
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;;
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esac
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export LIBUNWIND_PREFIX
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# ==== EXPORTING ENV VARS ====
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function colon_prepend {
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if [ -z "$2" ]; then
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echo "$1"
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elif [ -z "$1" ] ; then
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echo "$2"
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else
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echo "$1:$2"
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fi
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}
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function ifpath {
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if [ -e "$1" ] ; then
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echo "$1"
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fi
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}
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export CPATH_EHELFSAVE="$CPATH"
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export LIBRARY_PATH_EHELFSAVE="$LIBRARY_PATH"
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export LD_LIBRARY_PATH_EHELFSAVE="$LD_LIBRARY_PATH"
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export PATH_EHELFSAVE="$PATH"
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export PS1_EHELFSAVE="$PS1"
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export CPATH="$(colon_prepend \
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"$LIBUNWIND_PREFIX/include/:$PERF_PREFIX/include" "$CPATH")"
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export LIBRARY_PATH="$(colon_prepend \
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"$LIBUNWIND_PREFIX/lib/:$PERF_PREFIX/lib" "$LIBRARY_PATH")"
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export LD_LIBRARY_PATH="$(colon_prepend \
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"$LIBUNWIND_PREFIX/lib/:$PERF_PREFIX/lib" "$LD_LIBRARY_PATH")"
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export PATH="$(colon_prepend \
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"$(colon_prepend \
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"$(ifpath "$LIBUNWIND_PREFIX/bin")" \
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"$(ifpath "$PERF_PREFIX/bin")")" \
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"$PATH")"
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export PS1="($flavour $dbg) $PS1"
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unset ifpath
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unset colon_prepend
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