[PATCH v2 2/2] dpkg-raw: change DPKG_ARCH to all

["'Cedric Hombourger' via isar-users" <isar-users@googlegroups.com>]

Packages created by dpkg-raw are really for configuration and data files
and therefore architecture independent. DPKG_ARCH is now set to all and
a warning will be produced if changed by the recipe (this will later be
turned into an error).

Signed-off-by: Cedric Hombourger <cedric.hombourger@siemens.com>
---
 RECIPE-API-CHANGELOG.md       | 11 +++++++++++
 meta/classes/dpkg-raw.bbclass |  8 ++++++++
 2 files changed, 19 insertions(+)

diff --git a/RECIPE-API-CHANGELOG.md b/RECIPE-API-CHANGELOG.md
index 21c558d2..d40827d0 100644
--- a/RECIPE-API-CHANGELOG.md
+++ b/RECIPE-API-CHANGELOG.md
@@ -646,3 +646,14 @@ recipe would use the following setting:
 ```
 HEADERS_INSTALL_EXTRA += "nvidia"
 ```
+
+### Architecture for dpkg-raw packages
+
+The intent of the dpkg-raw class is to easily package configuration and data
+files into a Debian package. Packages to be compiled should really use other
+dpkg classes where support for cross-compilation and multiarch is provided
+and tested. `DPKG_ARCH` is now set to `all` for `dpkg-raw` recipes and a
+deprecation warning will be raised if overriden.
+
+This change fixes an issue where a `dpkg` package is built for `-compat`
+or `-native` and `DEPENDS` on a `dpkg-raw` package.
diff --git a/meta/classes/dpkg-raw.bbclass b/meta/classes/dpkg-raw.bbclass
index dd7b761f..cbaf298c 100644
--- a/meta/classes/dpkg-raw.bbclass
+++ b/meta/classes/dpkg-raw.bbclass
@@ -7,6 +7,9 @@ inherit dpkg
 
 D = "${WORKDIR}/image"
 
+# Create a binary-indep package
+DPKG_ARCH = "all"
+
 # Populate folder that will be picked up as package
 do_install() {
 	bbnote "Put your files for this package in $""{D}"
@@ -17,6 +20,11 @@ addtask install after do_patch do_transform_template before do_prepare_build
 
 do_prepare_build[cleandirs] += "${S}/debian"
 do_prepare_build() {
+	if [ "${DPKG_ARCH}" != "all" ]; then
+		bbwarn "support for building binary-arch packages with " \
+		       "dpkg-raw is deprecated and will be removed"
+	fi
+
 	cd ${D}
 	find . -maxdepth 1 ! -name .. -and ! -name . -and ! -name debian | \
 		sed 's:^./::' > ${S}/debian/${PN}.install
-- 
2.39.2

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