[main] Fixing post-swift-foundation corelibs-foundation MUSL static SDK builds #5069
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Several definitions and flags were dropped from the build when moving to swift-froundation. This patch puts back the ones that we need in order to build against musl. Since the musl builds are static, we also need to pick up the link to libRT or dispatch will fail to link.
This fixes how we pick up SOCK_STREAM and IPPROTO_TCP from musl. We weren't before so it was just failing to build.
Add comment describing why we need to check for the availability of strlcat/strlcpy and issetguid. Also removed setting the _GNU_SOURCES compile-definition and -fblocks flag as it's already added through one of the global variables.
jmschonfeld
approved these changes
Aug 14, 2024
|
@swift-ci please test |
al45tair
approved these changes
Aug 15, 2024
|
@swift-ci please test Linux |
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Putting back definitions and flags that were dropped when doing the Swift-Foundation re-core that are necessary when building for the static SDK. This is primarily checks for symbol availability.
This will not affect SwiftPM builds, which will continue to define
strlcpyandstrlcateverywhere, even on systems that define them in the libc, resulting in build failures. The CMake build will work in these environments.6.0: #5060