Tracking Issues: Zig Upstream

[kassane]

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• zig cc, zig c++, zig translate-c and other subcommands without a clang/llvm dependency in the compiler binary ziglang/zig#20875
• provide common implementations where applicable for libc functions ziglang/zig#2879
• Improve LibC interface in build.zig ziglang/zig#20327
• std.Build.Module.linkSystemLibrary() breaks target inheritance ziglang/zig#20042
• Compiler and build system panic on invalid macos target ziglang/zig#18018
• Run build.zig logic in a WebAssembly sandbox ziglang/zig#14286
• Zig build should error when overwriting output files ziglang/zig#20235
• setting global cache directory to relative path causes build failure of dependencies ziglang/zig#20129
• package manager: zig fetch --save <url> overwrites .lazy field ziglang/zig#19725
• Build system: Add support for custom exports ziglang/zig#19859
• build.zig not smart enough about -fno-emit-bin ziglang/zig#18877
• eliminate absolute paths from the build system ziglang/zig#18450
• Allow modules to have private and public include directories ziglang/zig#18439
• zig package manager should retry fetching on temporary errors ziglang/zig#17472
• use case: ability to declare dependency on single file ziglang/zig#17895
• std.Build: revert --host-target, --host-cpu, --host-dynamic-linker ziglang/zig#19684
• introduce file system watching features to the zig build system ziglang/zig#20580
• Discrepancy between @src() when invoked via zig build or in test and project code ziglang/zig#19570
• move @cImport to the build system ziglang/zig#20630
• ability to @import .zon files ziglang/zig#14531
• RFC/Proposal: Turning Zig target triples into quadruples ziglang/zig#20690
• add precompiled c/c++ header support to zig build ziglang/zig#17956
• Tracking Issue: Tier System ziglang/zig#23665
• zig-cache varies from CPU-type ziglang/zig#22663
• add build.zig API for linking against libstdc++ ziglang/zig#3936
• separate the build runner process from the configure process ziglang/zig#20981