https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70268
--- Comment #6 from hongxu jia <hongxu.jia at windriver dot com> --- (In reply to rguent...@suse.de from comment #5) > On Thu, 17 Mar 2016, hongxu.jia at windriver dot com wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70268 > > > > --- Comment #3 from hongxu jia <hongxu.jia at windriver dot com> --- > > (In reply to Richard Biener from comment #2) > > > IMHO it doesn't make sense to prune system header paths here and having > > > them > > > is desired. > > > > Hi Richard, > > > > It is just a simple example to explain the requirements. > > > > In our OpenEmbedded project, we do many cross complication, > > and have very complex build path. > > > > Here is the actual use of option '-fdebug-prefix-map' in our project: > > > > DEBUG_FLAGS="-g -feliminate-unused-debug-types > > -fdebug-prefix-map=/buildarea/raid0/hjia/build-20160316-yocto-buildpath-2/tmp/work/core2-64-poky-linux/service/0.1-r0/service-0.1=/usr/src/service > > -fdebug-prefix-map=/buildarea/raid0/hjia/build-20160316-yocto-buildpath-2/tmp/work/core2-64-poky-linux/service/0.1-r0/service-0.1=/usr/src/service > > -fdebug-prefix-map=/buildarea/raid0/hjia/build-20160316-yocto-buildpath-2/tmp/sysroots/x86_64-linux= > > -fdebug-prefix-map=/buildarea/raid0/hjia/build-20160316-yocto-buildpath-2/tmp/sysroots/qemux86-64= > > " > > I see. Care to propose a patch then? Yes, also sent to gcc-patc...@gcc.gnu.org for review //Hongxu
