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bintools-wrapper: fix inverted link32 check

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The new skip for the dynamic linker introduced in
ccfd26ef14 ("bintools-wrapper: skip dynamic linker for static
binaries") includes a change in behaviour, previously the $link32
variable was checked using an arithmetic expression via (( )). This
returns zero if the output of the arithmetic expression is nonzero, i.e.
link32=1 would return zero and the if condition would be executed.
The code refactored this to use "$link32" = "0" which is incorrect in
this case, since we want this if conditional to run if $link32 is 1.

Small shell excerpt for clarity:

$ export link32=1
$ export cookie=1
$ if [[ "$cookie" = "1" ]] && (( "$link32" )); then echo "do some stuff"; fi;
do some stuff
$ if [[ "$cookie" = "1" && "$link32" = "0" ]]; then echo "do some stuff"; fi;
$

Change it to check for $link32 = "1", as the previous code did.
This commit is contained in:
Rouven Czerwinski 2020-12-20 12:55:44 +01:00
parent bb9b5c5b75
commit eee562ffb5
1 changed files with 1 additions and 1 deletions
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2
pkgs/build-support/bintools-wrapper/ld-wrapper.sh
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@ -145,7 +145,7 @@ then
done
fi
if [[ "$link32" = "0" && "$setDynamicLinker" = 1 && -e "@out@/nix-support/dynamic-linker-m32" ]]; then
if [[ "$link32" = "1" && "$setDynamicLinker" = 1 && -e "@out@/nix-support/dynamic-linker-m32" ]]; then
# We have an alternate 32-bit linker and we're producing a 32-bit ELF, let's
# use it.
extraAfter+=(