Details
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Bug
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Resolution: Cannot Reproduce
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Major - P3
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None
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None
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None
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ALL
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Dev Platform 2020-05-04
Description
If I run the following command it will take some time in order to generate the build.ninja module (which is understandable):
[kaloianm@Kal-MacBook-Pro:~/workspace/mongo]$ buildscripts/scons.py --ssl --variables-files=etc/scons/xcode_macosx.vars --libc++ --detect-odr-violations --dbg=on --opt=off VARIANT_DIR=ninja --ninja build.ninja
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scons: Reading SConscript files ...
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scons: running with args /usr/local/opt/python/bin/python3.7 buildscripts/scons.py --ssl --variables-files=etc/scons/xcode_macosx.vars --libc++ --detect-odr-violations --dbg=on --opt=off VARIANT_DIR=ninja --ninja build.ninja
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Using variable customization file etc/scons/xcode_macosx.vars
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scons version: 3.1.2
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python version: 3 7 7 'final' 0
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...
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scons: done reading SConscript files.
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scons: Building targets ...
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Generating: build.ninja
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scons: done building targets.
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However, if I run ninja core for example immediately after that, it again takes some time doing the same thing that the SCons invocation above did (and it seems to do it twice):
[kaloianm@Kal-MacBook-Pro:~/workspace/mongo]$ ninja core
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[0/3856] Regenerating /Users/kaloianm/workspace/mongo/build.ninja
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scons: Reading SConscript files ...
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scons: running with args /usr/local/opt/python/bin/python3.7 buildscripts/scons.py --ssl --variables-files=etc/scons/xcode_macosx.vars --libc++ --detect-odr-violations --dbg=on --opt=off VARIANT_DIR=ninja --ninja build.ninja
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Using variable customization file etc/scons/xcode_macosx.vars
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scons version: 3.1.2
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python version: 3 7 7 'final' 0
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... (all the scons checks here)
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Checking for KRB5 Features...no
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scons: done reading SConscript files.
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scons: Building targets ...
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Generating: build.ninja
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scons: done building targets.
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[1/3856] Rendering build/ninja/third_party/wiredtiger/wiredtiger.h build/ninja/mongo/util/version_constants.h build/ninja/mongo/config.h
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scons: Reading SConscript files ...
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scons: running with args /usr/local/opt/python/bin/python3.7 buildscripts/scons.py --ssl --variables-files=etc/scons/xcode_macosx.vars --libc++ --detect-odr-violations --dbg=on --opt=off VARIANT_DIR=ninja --ninja __NINJA_NO=1 build/ninja/third_party/wiredtiger/wiredtiger.h build/ninja/mongo/util/version_constants.h build/ninja/mongo/config.h
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Using variable customization file etc/scons/xcode_macosx.vars
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scons version: 3.1.2
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python version: 3 7 7 'final' 0
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... (again all the scons checks here)
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Checking for KRB5 Features...no
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scons: done reading SConscript files.
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scons: Building targets ...
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Creating 'build/ninja/third_party/wiredtiger/wiredtiger.h'
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Creating 'build/ninja/mongo/util/version_constants.h'
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scons: `build/ninja/mongo/config.h' is up to date.
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scons: done building targets.
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[302/3856] Compiling build/ninja/mongo/util/net/ssl_options_server.o^C
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ninja: build stopped: interrupted by user.
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This seems unnecessary and it would be great if we can avoid it (also, I confirmed that it doesn't happen with the old ninja builder).