[debian] Created docker files to test, identified causes of #73 and modified debian/rules.

Author: Murilo Marinho

debian/rules

@@ -2,29 +2,30 @@
 
 BUILDDIR = build_dir
 
-# secondly called by launchpad
-build:
-	mkdir $(BUILDDIR);
+# Apr 8, 2026. Added build-arch and build-indep for compliance with Ubuntu Resolute.
+build: build-indep build-arch
+	# nothing to be done
+
+build-indep:
+	# nothing to be done
+
+build-arch:
+	mkdir -p $(BUILDDIR);
 	cd $(BUILDDIR); cmake -DCMAKE_CXX_FLAGS="-fdebug-prefix-map=$(shell pwd)/src/=/usr/src/dqrobotics/ -fdebug-prefix-map=$(shell pwd)/include/=/usr/include/" -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=../debian/tmp/usr ..
-	make -C $(BUILDDIR) 
-  #$(info ************  $(shell pwd) ************)
+	make -C $(BUILDDIR)
 
-# thirdly called by launchpad
 binary: binary-indep binary-arch
+	# nothing to be done
 
-binary-indep:
+binary-indep: build-indep
 	# nothing to be done
 
-binary-arch:
-	mkdir -p $(BUILDDIR)
+binary-arch: build-arch
 	cd $(BUILDDIR); cmake -P cmake_install.cmake
 	mkdir -p debian/tmp/DEBIAN
 	dpkg-gencontrol -plibdqrobotics
 	dpkg --build debian/tmp ..
 
-# firstly called by launchpad
 clean:
 	rm -f build
 	rm -rf $(BUILDDIR)
-
-.PHONY: binary binary-arch binary-indep clean

docker/README.md

@@ -0,0 +1,21 @@
+# Noble
+
+```console
+cd ubuntu_24_04
+docker compose build --progress=plain
+```
+
+## Remark
+
+The following warning has been identified:
+
+```console
+dpkg-buildpackage: warning: debian/rules must be updated to support the 'build-arch' and 'build-indep' targets (at least 'build-arch' seems to be missing)
+```
+
+# Resolute
+
+```console
+cd ubuntu_26_04
+docker compose build --progress=plain
+```

docker/ubuntu_24_04/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:noble
+SHELL ["/bin/bash", "-c"]
+ENV BASH_ENV="/etc/bash_env"
+
+# Update apt-get
+RUN apt-get update -q \
+    && apt-get upgrade -y
+
+RUN apt-get install -y dpkg-dev libeigen3-dev cmake
+
+COPY . /root/dqrobotics/cpp
+RUN cd /root/dqrobotics/cpp && dpkg-buildpackage --sanitize-env -us -uc -B -rfakeroot

docker/ubuntu_24_04/compose.yml

@@ -0,0 +1,5 @@
+services:
+  dqrobotics:
+    build:
+      context: ../../
+      dockerfile: docker/ubuntu_24_04/Dockerfile

docker/ubuntu_26_04/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:resolute
+SHELL ["/bin/bash", "-c"]
+ENV BASH_ENV="/etc/bash_env"
+
+# Update apt-get
+RUN apt-get update -q \
+    && apt-get upgrade -y
+
+RUN apt-get install -y dpkg-dev libeigen3-dev cmake
+
+COPY . /root/dqrobotics/cpp
+RUN cd /root/dqrobotics/cpp && dpkg-buildpackage --sanitize-env -us -uc -B -rfakeroot

docker/ubuntu_26_04/compose.yml

@@ -0,0 +1,5 @@
+services:
+  dqrobotics:
+    build:
+      context: ../../
+      dockerfile: docker/ubuntu_26_04/Dockerfile