Try using Build-Profiles

Author: raulcd

dev/tasks/linux-packages/apache-arrow/Rakefile

@@ -85,16 +85,14 @@ class ApacheArrowPackageTask < PackageTask
     end
   end
 
+  def apt_arm64_cuda_available_target?(target)
+    false
+  end
+
   def apt_prepare_debian_control_cuda_architecture(control, target)
-    _distribution, code_name, _architecture = split_target(target)
-    if code_name == "forky"
-      # nvidia-cuda-toolkit was removed from Debian's repositories so we
-      # can't build CUDA related packages on Debian forky for now.
-      #   https://tracker.debian.org/news/1758597/nvidia-cuda-toolkit-removed-from-testing/
-      # See: GH-50090
-      cuda_architecture = "i386"
+    if apt_arm64_cuda_available_target?(target)
+      cuda_architecture = "any"
     else
-      # We never build CUDA related packages for arm64
       cuda_architecture = "i386 amd64"
     end
     control.gsub(/@CUDA_ARCHITECTURE@/, cuda_architecture)

dev/tasks/linux-packages/apache-arrow/debian/control.in

@@ -30,9 +30,10 @@ Build-Depends:
   meson,
   ninja-build,
   nlohmann-json-dev | nlohmann-json3-dev,
-# It might be removed from for example Debian-testing.
-# We fallback to base-files if it fails on amd64 or i386.
-  nvidia-cuda-toolkit [!arm64] | base-files,
+# nvidia-cuda-toolkit may be unavailable (e.g. removed from Debian forky).
+# apt/build.sh enables the pkg.apache-arrow.nocuda profile in that case so
+# this build dependency and the CUDA packages below are skipped.
+  nvidia-cuda-toolkit [!arm64] <!pkg.apache-arrow.nocuda>,
   pkg-config,
   protobuf-compiler,
   protobuf-compiler-grpc,
@@ -84,6 +85,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: libarrow-cuda2500
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
 Depends:
@@ -192,6 +194,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: libarrow-cuda-dev
 Section: libdevel
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: same
 Depends:
   ${misc:Depends},
@@ -371,6 +374,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: libarrow-cuda-glib2500
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
 Depends:
@@ -385,6 +389,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: libarrow-cuda-glib-doc
 Section: doc
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: foreign
 Depends:
   ${misc:Depends}
@@ -396,6 +401,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: gir1.2-arrow-cuda-25.0
 Section: introspection
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: same
 Depends:
   ${gir:Depends},
@@ -409,6 +415,7 @@ Description: Apache Arrow is a data processing library for analysis
 Package: libarrow-cuda-glib-dev
 Section: libdevel
 Architecture: @CUDA_ARCHITECTURE@
+Build-Profiles: <!pkg.apache-arrow.nocuda>
 Multi-Arch: same
 Depends:
   ${misc:Depends},

dev/tasks/linux-packages/apt/build.sh

@@ -119,6 +119,15 @@ fi
 : ${DEB_BUILD_OPTIONS:="parallel=$(nproc)"}
 # DEB_BUILD_OPTIONS="${DEB_BUILD_OPTIONS} noopt"
 export DEB_BUILD_OPTIONS
+# nvidia-cuda-toolkit may be unavailable (e.g. it was removed from Debian
+# forky). Disable the CUDA packages via the pkg.apache-arrow.nocuda build
+# profile when it isn't installed. debian/rules disables ARROW_CUDA the
+# same way. See GH-50090.
+if ! dpkg -l nvidia-cuda-toolkit > /dev/null 2>&1; then
+  DEB_BUILD_PROFILES="${DEB_BUILD_PROFILES:-} pkg.apache-arrow.nocuda"
+  export DEB_BUILD_PROFILES
+  debuild_options+=(-eDEB_BUILD_PROFILES)
+fi
 df -h
 if [ "${DEBUG:-no}" = "yes" ]; then
   run debuild "${debuild_options[@]}" "${dpkg_buildpackage_options[@]}"