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Following reproducible-builds.org recommendations, using compiler flags like -ffile-prefix-map or -fdebug-prefix-map allows replace build-time paths by install-time ones in the debugging sections of binaries. Variable DEBUG_PREFIX_MAP set these flags correctly in yocto build context to guarantee reproducible builds. Signed-off-by: Fabien Thomas <fabien.thomas@smile.fr> Reviewed-by: Yoann Congal <yoann.congal@smile.fr> Signed-off-by: Khem Raj <raj.khem@gmail.com>