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Type:
Bug
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Resolution: Cannot Reproduce
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Build
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ALL
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Dev Platform 2020-05-04
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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 scons: Reading SConscript files ... 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 Using variable customization file etc/scons/xcode_macosx.vars scons version: 3.1.2 python version: 3 7 7 'final' 0 ... scons: done reading SConscript files. scons: Building targets ... Generating: build.ninja scons: done building targets.
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 [0/3856] Regenerating /Users/kaloianm/workspace/mongo/build.ninja scons: Reading SConscript files ... 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 Using variable customization file etc/scons/xcode_macosx.vars scons version: 3.1.2 python version: 3 7 7 'final' 0 ... (all the scons checks here) Checking for KRB5 Features...no scons: done reading SConscript files. scons: Building targets ... Generating: build.ninja scons: done building targets. [1/3856] Rendering build/ninja/third_party/wiredtiger/wiredtiger.h build/ninja/mongo/util/version_constants.h build/ninja/mongo/config.h scons: Reading SConscript files ... 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 Using variable customization file etc/scons/xcode_macosx.vars scons version: 3.1.2 python version: 3 7 7 'final' 0 ... (again all the scons checks here) Checking for KRB5 Features...no scons: done reading SConscript files. scons: Building targets ... Creating 'build/ninja/third_party/wiredtiger/wiredtiger.h' Creating 'build/ninja/mongo/util/version_constants.h' scons: `build/ninja/mongo/config.h' is up to date. scons: done building targets. [302/3856] Compiling build/ninja/mongo/util/net/ssl_options_server.o^C ninja: build stopped: interrupted by user.
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).