[ARROW-18039] [C++][CI] Reduce MinGW build times - ASF JIRA

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Type: Wish
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: C++, Continuous Integration
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External issue URL:
https://github.com/apache/arrow/issues/33242

Description

The MinGW C++ builds on CI currently build in release mode. This is probably because debug builds on Windows are complicated (you must get all the dependencies also compiled in debug mode, AFAIU).

However, we could probably disable optimizations, so as to reduce compilation times.
The compilation flags are currently as follows:

-- CMAKE_C_FLAGS:  -O2 -DNDEBUG -ftree-vectorize  -Wa,-mbig-obj -Wall -Wno-conversion -Wno-sign-conversion -Wunused-result -fno-semantic-interposition -mxsave -msse4.2 
-- CMAKE_CXX_FLAGS:  -Wno-noexcept-type  -fdiagnostics-color=always -O2 -DNDEBUG -ftree-vectorize  -Wa,-mbig-obj -Wall -Wno-conversion -Wno-sign-conversion -Wunused-result -fno-semantic-interposition -mxsave -msse4.2

Perhaps we can pass -O0?

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Assignee:: Kouhei Sutou

Reporter:: Antoine Pitrou

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Watchers:: 3 Start watching this issue

Dates

Created:: 13/Oct/22 16:36

Updated:: 11/Jan/23 11:57

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[C++][CI] Reduce MinGW build times