| author |  Alex Rønne Petersen <alex@alexrp.com> 2026-03-26 05:41:15+01:00 |
| committer | Alex Rønne Petersen <alex@alexrp.com> 2026-03-26 05:50:51+01:00 |
| log | 4219037faf573da8094ae8083d5ae01da6bdff6e |
| tree | 1620c5c6b4c5f5dbd529a362e36e33983ec0edcb |
| parent | 558a5c7913434547c55355af0075a9d34db0d4bc |
| signature |  Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM |
compiler: default to PIC if the target defaults to PIE
Otherwise, by default and with no special flags, we produce objects and static
libraries that cannot be linked into executables.3 files changed, 15 insertions(+), 9 deletions(-)
src- Compilation
- Package
- target.zig
src/Compilation/Config.zig+1-6
| ... | ... | @@ -472,12 +472,7 @@ pub fn resolve(options: Options) ResolveError!Config { |
| 472 | 472 | break :b true; |
| 473 | 473 | } |
| 474 | 474 | if (options.pie) |pie| break :b pie; |
| 475 | break :b if (options.output_mode == .Exe) switch (target.os.tag) { | |
| 476 | .fuchsia, | |
| 477 | .openbsd, | |
| 478 | => true, | |
| 479 | else => target.os.tag.isDarwin(), | |
| 480 | } else false; | |
| 475 | break :b if (options.output_mode == .Exe) target_util.defaultPie(target) else false; | |
| 481 | 476 | }; |
| 482 | 477 | |
| 483 | 478 | const lto: std.zig.LtoMode = b: { |
src/Package/Module.zig+6-2
| ... | ... | @@ -168,7 +168,7 @@ pub fn create(arena: Allocator, options: CreateOptions) !*Package.Module { |
| 168 | 168 | }; |
| 169 | 169 | |
| 170 | 170 | const pic = b: { |
| 171 | if (target_util.requiresPIC(target, options.global.link_libc)) { | |
| 171 | if (target_util.requiresPic(target, options.global.link_libc)) { | |
| 172 | 172 | if (options.inherited.pic == false) |
| 173 | 173 | return error.TargetRequiresPic; |
| 174 | 174 | break :b true; |
| ... | ... | @@ -185,7 +185,11 @@ pub fn create(arena: Allocator, options: CreateOptions) !*Package.Module { |
| 185 | 185 | } |
| 186 | 186 | if (options.inherited.pic) |x| break :b x; |
| 187 | 187 | if (options.parent) |p| break :b p.pic; |
| 188 | break :b false; | |
| 188 | ||
| 189 | // Default to PIC on targets where we default to producing PIEs to make | |
| 190 | // the common case of linking objects and static libraries into an | |
| 191 | // executable work out of the box. | |
| 192 | break :b target_util.defaultPie(target); | |
| 189 | 193 | }; |
| 190 | 194 | |
| 191 | 195 | const red_zone = b: { |
src/target.zig+8-1
| ... | ... | @@ -53,7 +53,7 @@ pub fn libCxxNeedsLibUnwind(target: *const std.Target) bool { |
| 53 | 53 | } |
| 54 | 54 | |
| 55 | 55 | /// This function returns whether non-pic code is completely invalid on the given target. |
| 56 | pub fn requiresPIC(target: *const std.Target, linking_libc: bool) bool { | |
| 56 | pub fn requiresPic(target: *const std.Target, linking_libc: bool) bool { | |
| 57 | 57 | return target.abi.isAndroid() or |
| 58 | 58 | ((target.os.tag == .windows or target.os.tag == .uefi) and (target.cpu.arch == .aarch64 or target.cpu.arch == .x86_64)) or |
| 59 | 59 | target.requiresLibC() or |
| ... | ... | @@ -84,6 +84,13 @@ pub fn supports_fpic(target: *const std.Target) bool { |
| 84 | 84 | }; |
| 85 | 85 | } |
| 86 | 86 | |
| 87 | pub fn defaultPie(target: *const std.Target) bool { | |
| 88 | return switch (target.os.tag) { | |
| 89 | .openbsd => true, | |
| 90 | else => target.os.tag.isDarwin(), | |
| 91 | }; | |
| 92 | } | |
| 93 | ||
| 87 | 94 | pub fn alwaysSingleThreaded(target: *const std.Target) bool { |
| 88 | 95 | _ = target; |
| 89 | 96 | return false; |