zig

commit 0ccd2b0c5cdf4bee706b4a9341b97f786b19a978 (tree)
parent a81fb5fb76131d0df3042f20e2d20a3b9216b254
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Wed,  4 Jun 2025 06:53:14 +0200

compiler: Always dynamically link executables for Fuchsia.

Fuchsia only supports PIE executables, specifically ET_DYN.

https://fuchsia.dev/fuchsia-src/concepts/process/program_loading

Diffstat:
M
src/Compilation/Config.zig
 | 
5
+++++
M
src/main.zig
 | 
1
+

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/Compilation/Config.zig b/src/Compilation/Config.zig
@@ -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.
diff --git a/src/main.zig b/src/main.zig
@@ -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", .{}),