[CXX-1244] Add build variants to CI loop that produce 32-bit builds Created: 03/Mar/17  Updated: 06/Jun/23

Status: Backlog
Project: C++ Driver
Component/s: Build
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: J Rassi Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Epic Link: CXX Driver Testing (Evergreen)
Quarter: FY24Q3

 Description   

Currently, Evergreen only produces 64-bit builds of the driver. We should add several variants which ensure that the driver can compile in 32-bit mode and run on 32-bit platforms.

The mongo-c-driver project accomplishes this on Windows through "Visual Studio 14 2015" CMake generator (as opposed to the "Visual Studio 14 2015 Win64" generator), and on Unix platforms by specifying the "-m32 -march=i386" compiler flags. We could also investigate whether the toolchains on any of the 32-bit host types provided by Evergreen (rhel55-32? windows-32?) meet our minimum toolchain requirements.


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