From 90524934a3d3387d2edded385e6b27ccfec4e0bb Mon Sep 17 00:00:00 2001
From: GithubAnon0000 <160563432+GithubAnon0000@users.noreply.github.com>
Date: Thu, 1 Jan 2026 02:41:44 +0100
Subject: [PATCH] FEAT(launcher): Add glibc version check on linux

---
 qt/launcher/lin/install.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/qt/launcher/lin/install.sh b/qt/launcher/lin/install.sh
index c9f129654..065de901b 100755
--- a/qt/launcher/lin/install.sh
+++ b/qt/launcher/lin/install.sh
@@ -7,6 +7,21 @@ 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