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compiler: Always dynamically link executables for Fuchsia.

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Fuchsia only supports PIE executables, specifically ET_DYN.

https://fuchsia.dev/fuchsia-src/concepts/process/program_loading
This commit is contained in:
Alex Rønne Petersen 2025-06-04 06:53:14 +02:00
parent a81fb5fb76
commit 0ccd2b0c5c
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2 changed files with 6 additions and 0 deletions
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5
src/Compilation/Config.zig
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@ -135,6 +135,7 @@ pub const ResolveError = error{
LibCppRequiresLibC,
LibUnwindRequiresLibC,
TargetCannotDynamicLink,
TargetCannotStaticLinkExecutables,
LibCRequiresDynamicLinking,
SharedLibrariesRequireDynamicLinking,
ExportMemoryAndDynamicIncompatible,
@ -360,6 +361,10 @@ pub fn resolve(options: Options) ResolveError!Config {
if (options.link_mode == .dynamic) return error.TargetCannotDynamicLink;
break :b .static;
}
if (target.os.tag == .fuchsia and options.output_mode == .Exe) {
if (options.link_mode == .static) return error.TargetCannotStaticLinkExecutables;
break :b .dynamic;
}
if (explicitly_exe_or_dyn_lib and link_libc and
(target_util.osRequiresLibC(target) or
// For these libcs, Zig can only provide dynamic libc when cross-compiling.

1
src/main.zig
View File

@ -4118,6 +4118,7 @@ fn createModule(
error.LibCppRequiresLibC => fatal("libc++ requires linking libc", .{}),
error.LibUnwindRequiresLibC => fatal("libunwind requires linking libc", .{}),
error.TargetCannotDynamicLink => fatal("dynamic linking unavailable on the specified target", .{}),
error.TargetCannotStaticLinkExecutables => fatal("static linking of executables unavailable on the specified target", .{}),
error.LibCRequiresDynamicLinking => fatal("libc of the specified target requires dynamic linking", .{}),
error.SharedLibrariesRequireDynamicLinking => fatal("using shared libraries requires dynamic linking", .{}),
error.ExportMemoryAndDynamicIncompatible => fatal("exporting memory is incompatible with dynamic linking", .{}),