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From d5c31f6d99a3d02c8b0efba13e1a1e82e0e36f96 Mon Sep 17 00:00:00 2001
From: Hilton Chain <hako@ultrarare.space>
Date: Fri, 29 Nov 2024 14:13:46 +0800
Subject: [PATCH] Fix RUNPATH issue.
Add needed libraries and libc to RUNPATH when CROSS_LIBRARY_PATH or LIBRARY_PATH
is set.
---
lib/std/Build/Step/Compile.zig | 3 +++
src/link/Elf.zig | 14 ++++++++++++++
src/main.zig | 34 +++++++++++++++++++++++++++++++++-
3 files changed, 50 insertions(+), 1 deletion(-)
diff --git a/lib/std/Build/Step/Compile.zig b/lib/std/Build/Step/Compile.zig
index 1dd444abf2..df7f4a56db 100644
--- a/lib/std/Build/Step/Compile.zig
+++ b/lib/std/Build/Step/Compile.zig
@@ -778,6 +778,9 @@ fn runPkgConfig(compile: *Compile, lib_name: []const u8) !PkgConfigResult {
try zig_cflags.appendSlice(&[_][]const u8{ "-D", macro });
} else if (mem.startsWith(u8, arg, "-D")) {
try zig_cflags.append(arg);
+ } else if (mem.startsWith(u8, arg, "-Wl,-rpath=")) {
+ const dir = arg["-Wl,-rpath=".len..];
+ try zig_libs.appendSlice(&[_][]const u8{ "-L", dir });
} else if (b.debug_pkg_config) {
return compile.step.fail("unknown pkg-config flag '{s}'", .{arg});
}
diff --git a/src/link/Elf.zig b/src/link/Elf.zig
index 608ff2fe3a..2b9fe803fd 100644
--- a/src/link/Elf.zig
+++ b/src/link/Elf.zig
@@ -1037,6 +1037,13 @@ fn dumpArgvInit(self: *Elf, arena: Allocator) !void {
try argv.appendSlice(gpa, &.{ "-rpath", rpath });
}
+ if (std.zig.system.NativePaths.isGuix(arena) and comp.config.link_libc and comp.config.link_mode == .dynamic) {
+ if (self.base.comp.libc_installation) |libc_installation| {
+ try argv.append(gpa, "-rpath");
+ try argv.append(gpa, libc_installation.crt_dir.?);
+ }
+ }
+
try argv.appendSlice(gpa, &.{
"-z",
try std.fmt.allocPrint(arena, "stack-size={d}", .{self.base.stack_size}),
@@ -1857,6 +1864,13 @@ fn linkWithLLD(self: *Elf, arena: Allocator, tid: Zcu.PerThread.Id, prog_node: s
try argv.appendSlice(&.{ "-rpath", rpath });
}
+ if (std.zig.system.NativePaths.isGuix(arena) and comp.config.link_libc and link_mode == .dynamic) {
+ if (self.base.comp.libc_installation) |libc_installation| {
+ try argv.append("-rpath");
+ try argv.append(libc_installation.crt_dir.?);
+ }
+ }
+
for (self.symbol_wrap_set.keys()) |symbol_name| {
try argv.appendSlice(&.{ "-wrap", symbol_name });
}
diff --git a/src/main.zig b/src/main.zig
index 79493aa624..505bb7570a 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -3901,7 +3901,7 @@ fn createModule(
create_module.want_native_include_dirs = true;
}
- if (create_module.each_lib_rpath orelse resolved_target.is_native_os) {
+ if (create_module.each_lib_rpath orelse false) {
try create_module.rpath_list.ensureUnusedCapacity(arena, create_module.lib_directories.items.len);
for (create_module.lib_directories.items) |lib_directory| {
create_module.rpath_list.appendAssumeCapacity(lib_directory.path.?);
@@ -3976,6 +3976,28 @@ fn createModule(
else => {},
};
+ if (std.zig.system.NativePaths.isGuix(arena)) {
+ for (create_module.link_inputs.items) |link_input| {
+ if (link_input.path()) |lib| {
+ const lib_name = lib.sub_path;
+ if (Compilation.classifyFileExt(lib_name) == .shared_library) {
+ if (fs.path.isAbsolute(lib_name)) {
+ const lib_dir_path = fs.path.dirname(lib_name).?;
+ try create_module.rpath_list.append(arena, lib_dir_path);
+ continue;
+ }
+ for (create_module.lib_directories.items) |lib_dir| {
+ const lib_dir_path = lib_dir.path.?;
+ if (try libPathExists(arena, lib_dir_path, lib_name)) {
+ try create_module.rpath_list.append(arena, lib_dir_path);
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
create_module.resolved_options = Compilation.Config.resolve(create_module.opts) catch |err| switch (err) {
error.WasiExecModelRequiresWasi => fatal("only WASI OS targets support execution model", .{}),
error.SharedMemoryIsWasmOnly => fatal("only WebAssembly CPU targets support shared memory", .{}),
@@ -7495,3 +7517,13 @@ fn addLibDirectoryWarn2(
.path = path,
});
}
+
+fn libPathExists(arena: Allocator, lib_dir_path: []const u8, lib_name: []const u8) !bool {
+ const lib_path = try std.fmt.allocPrint(arena, "{s}{s}{s}", .{
+ lib_dir_path,
+ fs.path.sep_str,
+ lib_name,
+ });
+ fs.cwd().access(lib_path, .{}) catch return false;
+ return true;
+}
--
2.46.0
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