[PATCH] use -isystem instead of -I for 3rd party headers

Hello LibreOffice gerrit bot,

I'd like you to reexamine a change.  Please visit

    https://gerrit.libreoffice.org/2846

to look at the new patch set (#2).

Change subject: use -isystem instead of -I for 3rd party headers
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use -isystem instead of -I for 3rd party headers

This should avoid gcc warnings in external code we don't care about,
so there'll be no need to fix them for WaE.

Change-Id: I629dc2672c075908294609249183f27ad2984325
---
M RepositoryExternal.mk
M config_host.mk.in
M configure.ac
3 files changed, 64 insertions(+), 43 deletions(-)


  git pull ssh://gerrit.libreoffice.org:29418/core refs/changes/46/2846/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I629dc2672c075908294609249183f27ad2984325
Gerrit-PatchSet: 2
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Luboš Luňák <l.lunak@suse.cz>
Gerrit-Reviewer: LibreOffice gerrit bot <gerrit@libreoffice.org>