Bug#1136691: algobox: Build with Qt6

[Bastian Germann]

I am uploading the attached debdiff as NMU.
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diff -Nru algobox-1.1.1+dfsg/debian/changelog algobox-1.1.1+dfsg/debian/changelog
--- algobox-1.1.1+dfsg/debian/changelog	2022-11-03 20:44:41.000000000 +0100
+++ algobox-1.1.1+dfsg/debian/changelog	2026-10-16 20:26:53.000000000 +0200
@@ -1,3 +1,10 @@
+algobox (1.1.1+dfsg-1.1) unstable; urgency=medium
+
+  * Non-maintainer upload
+  * Build with Qt6 (Closes: #1136691)
+
+ -- Bastian Germann <bage at debian.org>  Fri, 16 Oct 2026 20:26:53 +0200
+
 algobox (1.1.1+dfsg-1) unstable; urgency=medium
 
   * New upstream version 1.1.1+dfsg
diff -Nru algobox-1.1.1+dfsg/debian/control algobox-1.1.1+dfsg/debian/control
--- algobox-1.1.1+dfsg/debian/control	2022-11-03 07:46:12.000000000 +0100
+++ algobox-1.1.1+dfsg/debian/control	2026-10-16 20:26:07.000000000 +0200
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: Debian Edu Packaging Team <debian-edu-pkg-team at lists.alioth.debian.org>
 Uploaders: David Pr?vot <taffit at debian.org>
-Build-Depends: debhelper-compat (= 13), qtbase5-dev, qtwebengine5-dev
+Build-Depends: debhelper-compat (= 13), qt6-5compat-dev, qt6-base-dev, qt6-webengine-dev
 Standards-Version: 4.6.1
 Homepage: https://www.xm1math.net/algobox/
 Vcs-Git: https://salsa.debian.org/debian-edu-pkg-team/algobox.git
diff -Nru algobox-1.1.1+dfsg/debian/rules algobox-1.1.1+dfsg/debian/rules
--- algobox-1.1.1+dfsg/debian/rules	2021-11-12 20:06:49.000000000 +0100
+++ algobox-1.1.1+dfsg/debian/rules	2026-10-16 20:24:16.000000000 +0200
@@ -6,7 +6,7 @@
 include /usr/share/dpkg/buildflags.mk
 
 %:
-	dh $@
+	dh $@ --buildsystem=qmake6
 
 execute_before_dh_installdeb:
 	rm $(CURDIR)/debian/algobox/usr/share/algobox/AUTHORS