[OE-core] [PATCH] bitbake.conf: reset default value of DEBUG_PREFIX_MAP

[Khem Raj]

On Wed, Jan 16, 2019 at 11:13 PM <kai.kang at windriver.com> wrote:
>
> From: Kai Kang <kai.kang at windriver.com>
>
> Reset default value of DEBUG_PREFIX_MAP with '-fdebug-prefix-map'.
> Specifying -fdebug-prefix-map is equivalent to specifying all the
> individual -f*-prefix-map options which means including
> -fmacro-prefix-map and -fdebug-prefix-map currently. Option
> -fmacro-prefix-map helps to avoid buildpaths qa warnings which caused
> by __FILE__ macro expansion for packages such as llvm and librepo.
>
> Signed-off-by: Kai Kang <kai.kang at windriver.com>
> ---
>  meta/conf/bitbake.conf | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> index 0bdcd04d74..d20460e845 100644
> --- a/meta/conf/bitbake.conf
> +++ b/meta/conf/bitbake.conf
> @@ -599,9 +599,9 @@ EXTRA_OEMAKE_prepend_task-install = "${PARALLEL_MAKEINST} "
>  # Optimization flags.
>  ##################################################################
>  # Beware: applied last to first
> -DEBUG_PREFIX_MAP ?= "-fdebug-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR} \
> -                     -fdebug-prefix-map=${STAGING_DIR_HOST}= \
> -                     -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
> +DEBUG_PREFIX_MAP ?= "-ffile-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR} \
> +                     -ffile-prefix-map=${STAGING_DIR_HOST}= \
> +                     -ffile-prefix-map=${STAGING_DIR_NATIVE}= \

I am bit concerned about using -ffile-prefix-map here, its gcc only
option so will cause clang to fail

>  "
>  DEBUG_FLAGS ?= "-g -feliminate-unused-debug-types ${DEBUG_PREFIX_MAP}"
>
> --
> 2.20.0
>
> --
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