GitHub user hbdeshmukh opened a pull request:
https://github.com/apache/incubator-quickstep/pull/84
Added guards for gnu_source definition in storage CMakeLists
Background: We use mmap to allocate memory whenever it is available. There
is a check in storage module's CMakeLists to further check if mmap can support
HugePage allocation.
Issue: The check for HugePage allocation used the definition for
``GNU_SOURCE`` macro. Some compilers by default have this macro defined, which
causes the compiler to throw a warning "macro already defined". As warnings are
treated as errors, this check fails, therefore CMake declares that HugePage
support is not available.
Fix: Guard the definition by #ifndef directive.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apache/incubator-quickstep hugetlb-check
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-quickstep/pull/84.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #84
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commit d2256e778dc1adec8098336aaf675d7d2058bef9
Author: Harshad Deshmukh <[email protected]>
Date: 2016-08-08T17:19:00Z
Added guards for gnu_source definition in CMake.
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