Hello Todd Lipcon,

I'd like you to do a code review. Please visit

    http://gerrit.cloudera.org:8080/10430

to review the following change.


Change subject: KUDU-2427: only add -fno-sized-deallocation for C++ files
......................................................................

KUDU-2427: only add -fno-sized-deallocation for C++ files

Ubuntu 18.04 has a gcc that's new enough to support -fsized-deallocation.
But, if -fno-sized-deallocation is added to a C file's compilation flags,
the compiler will emit a warning:

  cc1: warning: command line option ‘-fno-sized-deallocation’ is valid for 
C++/ObjC++ but not for C

The problem is that we want to apply this flag only to "exported" targets,
but we have one such target (gutil_exported) that has both C and C++ files
in it. To address this, we can use a cmake generator expression[1] to
conditionally add the flag only to the C++ files in the target. This means
adding the flag with target_compile_options(), as set_target_properties()
does not support generator expressions.

1. https://cmake.org/cmake/help/latest/manual/cmake-generator-expressions.7.html

Change-Id: Ib2fbd94f19495eb48119d8f9ecb6fdceee2387c3
---
M CMakeLists.txt
1 file changed, 3 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/30/10430/1
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib2fbd94f19495eb48119d8f9ecb6fdceee2387c3
Gerrit-Change-Number: 10430
Gerrit-PatchSet: 1
Gerrit-Owner: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>

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