2 files changed, 26 insertions, 11 deletions

diff --git a/meta/classes/cross-canadian.bbclass b/meta/classes/cross-canadian.bbclass
index 7b26ed631b..e07b1bdb6c 100644
--- a/meta/classes/cross-canadian.bbclass
+++ b/meta/classes/cross-canadian.bbclass
@@ -103,7 +103,7 @@ HOST_LD_ARCH = "${SDK_LD_ARCH}"
 HOST_AS_ARCH = "${SDK_AS_ARCH}"
 
 #assign DPKG_ARCH
-DPKG_ARCH = "${SDK_ARCH}"
+DPKG_ARCH = "${@debian_arch_map(d.getVar('SDK_ARCH', True), '')}"
 
 CPPFLAGS = "${BUILDSDK_CPPFLAGS}"
 CFLAGS = "${BUILDSDK_CFLAGS}"
diff --git a/meta/classes/package_deb.bbclass b/meta/classes/package_deb.bbclass
index 5feeeb0ecc..8d27adf292 100644
--- a/meta/classes/package_deb.bbclass
+++ b/meta/classes/package_deb.bbclass
@@ -6,7 +6,7 @@ inherit package
 
 IMAGE_PKGTYPE ?= "deb"
 
-DPKG_ARCH ?= "${TARGET_ARCH}" 
+DPKG_ARCH ?= "${@debian_arch_map(d.getVar('TARGET_ARCH', True), d.getVar('TUNE_FEATURES', True))}"
 
 PKGWRITEDIRDEB = "${WORKDIR}/deploy-debs"
 
@@ -14,6 +14,28 @@ APTCONF_TARGET = "${WORKDIR}"
 
 APT_ARGS = "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]}"
 
+def debian_arch_map(arch, tune):
+    tune_features = tune.split()
+    if arch in ["i586", "i686"]:
+        return "i386"
+    if arch == "x86_64":
+        if "mx32" in tune_features:
+            return "x32"
+        return "amd64"
+    if arch.startswith("mips"):
+        endian = ["el", ""]["bigendian" in tune_features]
+        if "n64" in tune_features:
+            return "mips64" + endian
+        if "n32" in tune_features:
+            return "mipsn32" + endian
+        return "mips" + endian
+    if arch == "powerpc":
+        return arch + ["", "spe"]["spe" in tune_features]
+    if arch == "aarch64":
+        return "arm64"
+    if arch == "arm":
+        return arch + ["el", "hf"]["callconvention-hard" in tune_features]
+    return arch
 #
 # install a bunch of packages using apt
 # the following shell variables needs to be set before calling this func:
@@ -288,6 +310,8 @@ python do_package_deb () {
         cleanupcontrol(root)
         bb.utils.unlockfile(lf)
 }
+# Indirect references to these vars
+do_package_write_deb[vardeps] += "PKGV PKGR PKGV DESCRIPTION SECTION PRIORITY MAINTAINER DPKG_ARCH PN HOMEPAGE"
 # Otherwise allarch packages may change depending on override configuration
 do_package_deb[vardepsexclude] = "OVERRIDES"
 
@@ -311,15 +335,6 @@ python () {
         deps = ' dpkg-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
         d.appendVarFlag('do_package_write_deb', 'depends', deps)
         d.setVarFlag('do_package_write_deb', 'fakeroot', "1")
-
-    # Map TARGET_ARCH to Debian's ideas about architectures
-    darch = d.getVar('DPKG_ARCH', True)
-    if darch in ["x86", "i486", "i586", "i686", "pentium"]:
-         d.setVar('DPKG_ARCH', 'i386')
-    elif darch == "x86_64":
-         d.setVar('DPKG_ARCH', 'amd64')
-    elif darch == "arm":
-         d.setVar('DPKG_ARCH', 'armel')
 }
 
 python do_package_write_deb () {