60 lines
1.4 KiB
Bash
60 lines
1.4 KiB
Bash
#! /bin/sh
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if test -n "$NIX_LD_WRAPPER_START_HOOK"; then
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. "$NIX_LD_WRAPPER_START_HOOK"
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fi
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# Optionally filter out paths not refering to the store.
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skip () {
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if test "$NIX_DEBUG" = "1"; then
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echo "skipping impure path $1" >&2
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fi
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}
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params=("$@")
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if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
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rest=()
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n=0
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while test $n -lt ${#params[*]}; do
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p=${params[n]}
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p2=${params[$((n+1))]}
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if test "${p:0:3}" = "-L/" -a "${p:2:${#NIX_STORE}}" != "$NIX_STORE"; then
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skip $p
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elif test "$p" = "-L" -a "${p2:0:${#NIX_STORE}}" != "$NIX_STORE"; then
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n=$((n + 1)); skip $p2
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elif test "${p:0:1}" = "/" -a "${p:0:${#NIX_STORE}}" != "$NIX_STORE"; then
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# We cannot skip this; barf.
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echo "impure path \`$p' used in link"
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exit 1
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else
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rest=("${rest[@]}" "$p")
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fi
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n=$((n + 1))
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done
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params=("${rest[@]}")
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fi
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extra=()
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if test -z "$NIX_LDFLAGS_SET"; then
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extra=(${extra[@]} $NIX_LDFLAGS)
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fi
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if test "$NIX_DEBUG" = "1"; then
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echo "original flags to @ld@:" >&2
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for i in "${params[@]}"; do
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echo " $i" >&2
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done
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echo "extra flags to @ld@:" >&2
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for i in ${extra[@]}; do
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echo " $i" >&2
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done
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fi
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if test -n "$NIX_LD_WRAPPER_EXEC_HOOK"; then
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. "$NIX_LD_WRAPPER_EXEC_HOOK"
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fi
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exec @ld@ "${params[@]}" ${extra[@]}
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