From 46085ad71232e9ae19666bd7ca499e95d1780c6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Klinkovsk=C3=BD?=
 <1289205+lahwaacz@users.noreply.github.com>
Date: Sun, 17 Nov 2024 09:08:45 +0100
Subject: [PATCH] Fix DESTDIR installation

Fixes https://github.com/ornladios/ADIOS2/issues/3941
---
 cmake/install/post/generate-adios2-config.sh.in | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/install/post/generate-adios2-config.sh.in b/cmake/install/post/generate-adios2-config.sh.in
index 1c5139367b..a789810da4 100755
--- a/cmake/install/post/generate-adios2-config.sh.in
+++ b/cmake/install/post/generate-adios2-config.sh.in
@@ -65,8 +65,8 @@ then
   # Convert relative paths to absolute based on DESTDIR
   PREFIX="${DESTDIR:-$(pwd)}/$1"
 else
-  # check if the PREFIX directory exists and prepend DESTDIR if not
-  if [ ! -d "${PREFIX}" ]
+  # Check if the DESTDIR directory exists and prepend it to PREFIX
+  if [ -d "${DESTDIR}" ]
   then
     PREFIX="${DESTDIR}$1"
   fi