bitbake.conf/toolchain-scripts.bbclass: Remove debug prefix mappings in SDK

CFLAGS/CXXFLAGS in the SDK environment script adds debug-prefix mappings
that include staging area/work directories. Remove them since the SDK
shouldn't be aware of them.

(From OE-Core rev: 7918e73e9c5fe8c8c1c1d341eaa42f2f7d3ddb69)

Signed-off-by: Jacob Kroon <jacob.kroon@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.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 32d8c32309..57874f38dc 100644
--- a/meta/classes/toolchain-scripts.bbclass
+++ b/meta/classes/toolchain-scripts.bbclass
@@ -6,6 +6,9 @@ REAL_MULTIMACH_TARGET_SYS ?= "${MULTIMACH_TARGET_SYS}"
 TARGET_CC_ARCH_append_libc-uclibc = " -muclibc"
 TARGET_CC_ARCH_append_libc-musl = " -mmusl"
 
+# default debug prefix map isn't valid in the SDK
+DEBUG_PREFIX_MAP = ""
+
 # 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