build: update libghostty-vt vendor

vendor ghostty 063ac3e and remove the musl libc++ link workaround.

expose the new selection formatter and hyperlink uri apis for follow-up rendering work.

add manual artifact validation for static linux builds.

1 files changed, 43 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/pkg/highway/src/detect/ppc.zig b/vendor/libghostty-vt/pkg/highway/src/detect/ppc.zig
new file mode 100644
index 00000000..587965ce
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/highway/src/detect/ppc.zig
@@ -0,0 +1,43 @@
+const builtin = @import("builtin");
+const HwyTargets = @import("../targets.zig").Targets;
+const linux = @import("linux.zig");
+
+pub fn detect() i64 {
+    var t: HwyTargets = .{};
+
+    if (comptime builtin.os.tag != .linux) return @bitCast(t);
+
+    const AT_HWCAP: usize = 16;
+    const AT_HWCAP2: usize = 26;
+    const hwcap = linux.getauxval(AT_HWCAP);
+    const hwcap2 = linux.getauxval(AT_HWCAP2);
+
+    // From Linux arch/powerpc/include/uapi/asm/cputable.h
+    const PPC_FEATURE_HAS_ALTIVEC: usize = 0x10000000;
+    const PPC_FEATURE_HAS_VSX: usize = 0x00000080;
+    const PPC_FEATURE2_ARCH_2_07: usize = 0x80000000; // POWER8
+    const PPC_FEATURE2_VEC_CRYPTO: usize = 0x02000000;
+    const PPC_FEATURE2_ARCH_3_00: usize = 0x00800000; // POWER9
+    const PPC_FEATURE2_ARCH_3_1: usize = 0x00040000; // POWER10
+    const PPC_FEATURE2_MMA: usize = 0x00020000;
+
+    if (hwcap & PPC_FEATURE_HAS_ALTIVEC != 0 and
+        hwcap & PPC_FEATURE_HAS_VSX != 0 and
+        hwcap2 & PPC_FEATURE2_ARCH_2_07 != 0 and
+        hwcap2 & PPC_FEATURE2_VEC_CRYPTO != 0)
+    {
+        t.ppc8 = true;
+
+        if (hwcap2 & PPC_FEATURE2_ARCH_3_00 != 0) {
+            t.ppc9 = true;
+
+            if (hwcap2 & PPC_FEATURE2_ARCH_3_1 != 0 and
+                hwcap2 & PPC_FEATURE2_MMA != 0)
+            {
+                t.ppc10 = true;
+            }
+        }
+    }
+
+    return @bitCast(t);
+}