54 lines
2 KiB
Markdown
54 lines
2 KiB
Markdown
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# Zig 0.17.0 build failure transcript
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## Environment
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- Zig: 0.17.0-dev.387+31f157d80 (x86_64-linux)
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- Herdr: v0.6.2, commit `ede2059` (with FreeBSD patches)
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- OS: Debian 13 (debby)
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- Rust: stable
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## Full stderr
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```
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pkg/wuffs/src/c.zig:1:15: error: invalid builtin function: '@cImport'
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pub const c = @cImport({
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^~~~~~~~
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build.zig:27:62: error: member function expected 4 argument(s), found 3
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const file_version: ?[]const u8 = if (b.build_root.handle.readFileAlloc(
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~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
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/home/samob/.local/zig-x86_64-linux-0.17.0-dev.387+31f157d80/lib/std/Io/Dir.zig:1323:5: note: function declared here
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pub fn readFileAlloc(
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~~~~^~
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referenced by:
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runBuild__anon_34429: /home/samob/.local/zig-x86_64-linux-0.17.0-dev.387+31f157d80/lib/std/Build.zig:2262:44
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main: /home/samob/.local/zig-x86_64-linux-0.17.0-dev.387+31f157d80/lib/compiler/build_runner.zig:461:29
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5 reference(s) hidden; use '-freference-trace=7' to see all references
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src/build/zig.zig:13:9: error: Your Zig version v0.17.0-dev.387+31f157d80 does not meet the required build version of v0.15.2
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@compileError(std.fmt.comptimePrint(
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^~~~~~~~~~~~~
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build.zig:16:24: note: called at comptime here
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buildpkg.requireZig(minimum_zig_version);
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~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
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thread 'main' (272349) panicked at build.rs:74:5:
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zig build for vendored libghostty-vt failed: exit status: 2
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```
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## Root cause
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Vendored `libghostty-vt` was written for Zig 0.15.2. Between 0.15.2 and 0.17.0:
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1. `@cImport` builtin was removed (used in `pkg/wuffs/src/c.zig`)
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2. `readFileAlloc` signature changed from 3 args to 4 args (used in `build.zig` build scripts)
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3. `requireZig` compile-time check bails on version mismatch
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## Fix
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Install Zig 0.15.2: https://ziglang.org/download/0.15.2/zig-linux-x86_64-0.15.2.tar.xz
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```bash
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tar -xf zig-linux-x86_64-0.15.2.tar.xz -C ~/.local/
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ln -sf ~/.local/zig-linux-x86_64-0.15.2/zig ~/.local/bin/zig
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zig version # should print 0.15.2
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```
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