[OE-core] [PATCH] populate_sdk_rpm: Ensure empty strings aren't passed to attemponly rpm code

[Richard Purdie]

If empty strings are passed to the rpm attemptonly code, it breaks. This
ensures we don't do that.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/classes/populate_sdk_rpm.bbclass b/meta/classes/populate_sdk_rpm.bbclass
index dd5f39a..9caa6f6 100644
--- a/meta/classes/populate_sdk_rpm.bbclass
+++ b/meta/classes/populate_sdk_rpm.bbclass
@@ -41,7 +41,7 @@ populate_sdk_rpm () {
 	export INSTALL_ROOTFS_RPM="${SDK_OUTPUT}/${SDKTARGETSYSROOT}"
 	export INSTALL_PLATFORM_RPM="$(echo ${TARGET_ARCH} | tr - _)${TARGET_VENDOR}-${TARGET_OS}"
 	export INSTALL_PACKAGES_RPM="${TOOLCHAIN_TARGET_TASK}"
-	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="${TOOLCHAIN_TARGET_TASK_ATTEMPTONLY}"
+	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="$(echo '${TOOLCHAIN_TARGET_TASK_ATTEMPTONLY}' | tr -d ' ')"
 	export INSTALL_PACKAGES_LINGUAS_RPM=""
 	# We don't need any of these runtime items for the SDK, so
 	# just make the system assume they exist.
@@ -98,7 +98,7 @@ populate_sdk_rpm () {
 	export INSTALL_ROOTFS_RPM="${SDK_OUTPUT}"
 	export INSTALL_PLATFORM_RPM="$(echo ${TARGET_ARCH} | tr - _)${SDK_VENDOR}-${SDK_OS}"
 	export INSTALL_PACKAGES_RPM="${TOOLCHAIN_HOST_TASK}"
-	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="${TOOLCHAIN_TARGET_HOST_ATTEMPTONLY}"
+	export INSTALL_PACKAGES_ATTEMPTONLY_RPM="$(echo '${TOOLCHAIN_HOST_TASK_ATTEMPTONLY}' | tr -d ' ')"
 	export INSTALL_PACKAGES_LINGUAS_RPM=""
 	export INSTALL_PROVIDENAME_RPM="/bin/sh /bin/bash /usr/bin/env /usr/bin/perl pkgconfig libGL.so()(64bit) libGL.so"
 	export INSTALL_TASK_RPM="populate_sdk_rpm-nativesdk"