From e107fdf7db93a6871927d21c426f10226ce81949 Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Thu, 29 Jan 2026 16:49:30 +0100
Subject: [PATCH] build-system: don't pass empty string as arg to
 configure/cmake

---
 CHANGELOG.md         | 2 ++
 Pmodules/modbuild.in | 1 +
 2 files changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3395bba..20a9e20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
   (#1354)
 
 ### build system
+* Don't pass an empty string as argument to configure/cmake.
+  (#1356)
 
 ## Version 2.0.3
 
diff --git a/Pmodules/modbuild.in b/Pmodules/modbuild.in
index dc7e3b4..2bb9c51 100644
--- a/Pmodules/modbuild.in
+++ b/Pmodules/modbuild.in
@@ -1207,6 +1207,7 @@ build_modules_yaml_v1(){
 
 	set_configure_args(){
 		local -a args=()
+		[[ -z "$1" ]] && return 0
 		readarray -t args <<< "$1"
 		pbuild.set_configure_args "${args[@]}"
 	}