Benjamin Bannier created MESOS-7581:
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Summary: Specifying an unbundled dependency can cause build to
pick up wrong Boost version
Key: MESOS-7581
URL: https://issues.apache.org/jira/browse/MESOS-7581
Project: Mesos
Issue Type: Bug
Components: build
Affects Versions: 1.2.2, 1.3.1, 1.1.3
Reporter: Benjamin Bannier
Assignee: Benjamin Bannier
Specifying an unbundled dependency can cause the build to pick up a wrong Boost
version. Assuming we have e.g., both protobuf and Boost installed in
{{PREFIX}}, configuring with {{--with-protobuf=PREFIX}} causes the build to
pick up the Boost version from {{PREFIX}} instead of using the bundled one.
This appears to be due to how we specify Boost include paths. Boost paths are
added with {{-isystem}} to suppress warnings; the protobuf include path, on the
other hand, would be added with {{-I}}. GCC and for compatibility clang first
search all paths specified with {{-I}} left-to-right before looking at paths
given with {{-isystem}}, see [the GCC
documenation|https://gcc.gnu.org/onlinedocs/gcc/Directory-Options.html].
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