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FEAT(install script): Add glibc version check on linux #4484

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FEAT(install script): Add glibc version check on linux #4484

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9052493
FEAT(launcher): Add glibc version check on linux
GithubAnon0000 Jan 1, 2026
9df3788
fix: adhere to 80 column limit
GithubAnon0000 Jan 1, 2026
ae042b6
Merge branch 'main' into glibc_check_launcher
GithubAnon0000 Jan 16, 2026
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19 changes: 19 additions & 0 deletions qt/launcher/lin/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,25 @@ if [ "$(dirname "$(realpath "$0")")" != "$(realpath "$PWD")" ]; then
exit 1
fi

MINIMUM_REQUIRED_GLIBC_VERSION=2.36
# `ldd --version` returns the version of glibc, such as 2.41 with other text.
# `grep --only-matching "[0-9]\+.[0-9]\+"` returns the (version) numbers.
# `head --lines=1` only returns the first number (which is the glibc version)
users_glibc_version=$(
ldd --version | grep --only-matching "[0-9]\+.[0-9]\+" | head --lines=1
)

# check if the users glibc is less than the required glibc and abort if true.
# bash doesn't do floating point comparisons. But integer comparisons do work.
# Thus, `$(echo $variable | sed "s/\.//")` is used to get an integer
# representation of the floating point number (2.36 becomes 236).
if [ $(echo $users_glibc_version | sed "s/\.//") -lt \
$(echo $MINIMUM_REQUIRED_GLIBC_VERSION | sed "s/\.//") ]; then
echo "Error: Your glibc version is $users_glibc_version but" \
"$MINIMUM_REQUIRED_GLIBC_VERSION is required. Aborting."
exit 1
fi

if [ "$PREFIX" = "" ]; then
PREFIX=/usr/local
fi
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