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[5.9] Re-enable test-static-stdlib.test #115

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merged 1 commit into from
May 26, 2023

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This test was disabled for a while, which led to static linking regressions on Linux. It should be re-enabled for us to make sure that this feature works as intended.

This test was disabled for a while, which led to static linking regressions on Linux. It should be re-enabled for us to make sure that this feature works as intended.
@MaxDesiatov MaxDesiatov requested a review from shahmishal May 11, 2023 14:27
@MaxDesiatov MaxDesiatov self-assigned this May 11, 2023
@MaxDesiatov MaxDesiatov changed the base branch from main to release/5.9 May 11, 2023 14:27
MaxDesiatov added a commit to swiftlang/swift that referenced this pull request May 26, 2023
[5.9] CMake: fix missing `SWIFT_CONCURRENCY_GLOBAL_EXECUTOR`

Explanation: Resolves issues with static linking on Linux
Risk: Medium, affects Linux builds and top-level CMake declarations.
Original PR: #65795.
Reviewed by: @al45tair @drexin @etcwilde 
Resolves: some of the issues reported in #65097
Tests: Added in swiftlang/swift-integration-tests#115

`SWIFT_CONCURRENCY_GLOBAL_EXECUTOR` is defined in `stdlib/cmake/modules/StdlibOptions.cmake`, which is not included during the first pass of evaluation of the root `CMakeLists.txt`. It is available on subsequent evaluations after the value is stored in CMake cache. This led to subtle bugs, where `usr/lib/swift_static/linux/static-stdlib-args.lnk` didn't contain certain flags on clean toolchain builds, but did contain them in incremental builds.

Not having these autolinking flags in toolchain builds leads to errors when statically linking executables on Linux.

Additionally, since are trivial tests previously didn't link Dispatch statically, the didn't expose a bug where `%import-static-libdispatch` substitution had a missing value. To fix that I had to update `lit.cfg` and clean up some of the related path computations to infer a correct substitution value.

Resolves some of the errors reported in #65097.
@MaxDesiatov MaxDesiatov merged commit dfb0a0a into release/5.9 May 26, 2023
@MaxDesiatov MaxDesiatov deleted the maxd/5.9-reenable-static-stdlib branch May 26, 2023 14:02
MaxDesiatov added a commit that referenced this pull request May 31, 2023
Originally submitted to 5.9 as #115

This test was disabled for a while, which led to static linking regressions on Linux. It should be re-enabled for us to make sure that this feature works as intended.
MaxDesiatov added a commit that referenced this pull request Jun 2, 2023
Originally submitted to 5.9 as #115

This test was disabled for a while, which led to static linking regressions on Linux. It should be re-enabled to make sure that this feature works as intended.
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