toolchain-scripts.bbclass: customize prompt string for SDKs

Introduce a new variable SDK_PS1 to customize prompt string for SDKs
when source script environment-setup-script. If variable SDK_PS1 is not
set or empty, nothing changed. Otherwise new PS1 with the value of
SDK_PS1 is used after source the sdk environment file.

(From OE-Core rev: 81ed52f245c18c50e8df51fce1f62906cd4ddd05)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes/toolchain-scripts.bbclass b/meta/classes/toolchain-scripts.bbclass
index db1d3215ef..67a812cb02 100644
--- a/meta/classes/toolchain-scripts.bbclass
+++ b/meta/classes/toolchain-scripts.bbclass
@@ -8,6 +8,8 @@ TARGET_CC_ARCH_append_libc-musl = " -mmusl"
 # default debug prefix map isn't valid in the SDK
 DEBUG_PREFIX_MAP = ""
 
+EXPORT_SDK_PS1 = "${@ 'export PS1=\'%s\'' % d.getVar('SDK_PS1') if d.getVar('SDK_PS1') else ''}"
+
 # This function creates an environment-setup-script for use in a deployable SDK
 toolchain_create_sdk_env_script () {
         # Create environment setup script.  Remember that $SDKTARGETSYSROOT should
@@ -39,6 +41,7 @@ toolchain_create_sdk_env_script () {
         echo '    return 1' >> $script
         echo 'fi' >> $script
 
+        echo "${EXPORT_SDK_PS1}" >> $script
         echo 'export SDKTARGETSYSROOT='"$sysroot" >> $script
         EXTRAPATH=""
         for i in ${CANADIANEXTRAOS}; do