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zig interprets Build.zig as build.zig on case insensitive filesystems (i.e.. macOS/Windows) #23980

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marler8997 opened this issue May 24, 2025 · 0 comments · May be fixed by #23984
Open

zig interprets Build.zig as build.zig on case insensitive filesystems (i.e.. macOS/Windows) #23980

marler8997 opened this issue May 24, 2025 · 0 comments · May be fixed by #23984
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bug Observed behavior contradicts documented or intended behavior os-macos os-windows zig build system std.Build, the build runner, `zig build` subcommand, package management
Milestone
0.15.0

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@marler8997
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marler8997 commented May 24, 2025 •
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Zig Version

0.14.0 and 0.15.0-dev.621+a63f7875f

Steps to Reproduce and Observed Behavior

Setup:

Within a directory that's backed with a case insensitive filesystem (i.e. macOS/Windows).

zig init
mkdir subdir
cd subdir
# running zig build --help at this point should work
touch Build.zig
zig build --help

Expected Behavior

The final zig build --help command should print the help output, but, in this case it fails to compile the build because it thinks Build.zig is actually build.zig on case insensitive filesystems.
@marler8997 marler8997 added the bug Observed behavior contradicts documented or intended behavior label May 24, 2025
marler8997 added a commit to marler8997/zig that referenced this issue May 25, 2025
@marler8997
avoid being tricked that Build.zig is build.zig
43a4324 
Updates `findBuildRoot` to skip `build.zig` entries if the case doesn't
match. It does this by iterating over the parent directory and verifying
that an entry with the same case exists.

fixes ziglang#23980
@marler8997 marler8997 linked a pull request May 25, 2025 that will close this issue
Open
marler8997 added a commit to marler8997/zig that referenced this issue May 25, 2025
@marler8997
avoid being tricked that Build.zig is build.zig
0220f5e 
Updates `findBuildRoot` to skip `build.zig` entries if the case doesn't
match. It does this by iterating over the parent directory and verifying
that an entry with the same case exists.

fixes ziglang#23980
@alexrp alexrp added the zig build system std.Build, the build runner, `zig build` subcommand, package management label May 27, 2025
@alexrp alexrp added this to the 0.15.0 milestone May 28, 2025
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bug Observed behavior contradicts documented or intended behavior os-macos os-windows zig build system std.Build, the build runner, `zig build` subcommand, package management
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Milestone
0.15.0
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avoid being tricked that Build.zig is build.zig marler8997/zig
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@alexrp @marler8997