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Patch looks great! Reviews applied: [57052] Passed command: export OS='ubuntu:14.04' BUILDTOOL='autotools' COMPILER='gcc' CONFIGURATION='--verbose' ENVIRONMENT='GLOG_v=1 MESOS_VERBOSE=1'; ./support/docker-build.sh - Mesos Reviewbot On March 1, 2017, 12:42 a.m., Andrew Schwartzmeyer wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/57052/ > ----------------------------------------------------------- > > (Updated March 1, 2017, 12:42 a.m.) > > > Review request for mesos, Alex Clemmer, Joseph Wu, and Michael Park. > > > Bugs: MESOS-7172 > https://issues.apache.org/jira/browse/MESOS-7172 > > > Repository: mesos > > > Description > ------- > > Commit c7fc1377b introduced a bug that prevented any incremental > recompilation. By defining the `BUILD_TIME` in `MESOS_CPPFLAGS`, > every build was seen as having a root dependency (the flags) > changed, causing a rebuild of every single source in Mesos. > > This patch introduces a CMake `configure_file` directive which > takes in `build_config.hpp.in` and emits `build_config.hpp` with the > `BUILD_TIME`, `BUILD_DATE`, and `BUILD_USER` variables defined. > It also sets `HAVE_BUILD_CONFIG_H` which `build.cpp` uses to `#include` > the configuration file. The result is that the date, time, and user > are set at the point of configuration (invocation of CMake) instead > of at build, thus allowing for incremental rebuilds. > > > Diffs > ----- > > cmake/CompilationConfigure.cmake 7808d1a0086a7999991af8dcb2dd796b9424c7d5 > src/common/build.cpp 090b59fb22bfc00516d65f501f8f18cd85a5b4cd > src/common/build_config.hpp.in PRE-CREATION > > > Diff: https://reviews.apache.org/r/57052/diff/2/ > > > Testing > ------- > > cmake; make && make check on Linux > cmake; VS build stout-tests and mesos-tests, then repeat and see no > compilation take place a second time. Also support\windows-build.bat twice. > > > Thanks, > > Andrew Schwartzmeyer > >
