[libc-commits] [libc] [libc] pipe(2) linux syscall wrapper and unittest (PR #85514)

[Nick Desaulniers via libc-commits]

================
@@ -264,6 +266,20 @@ def Linux : StandardSpec<"Linux"> {
       ]
   >;
 
+  HeaderSpec UniStd = HeaderSpec<
+    "unistd.h",
+    [], // Macros
+    [Pipe2fdArrayT], // Types
+    [], // Enumerations
+    [
+        FunctionSpec<
+          "pipe2",
+          RetValSpec<IntType>,
+          [ArgSpec<Pipe2fdArrayT>, ArgSpec<IntType>]
----------------
nickdesaulniers wrote:

> I'm on an aarch64 Debian Linux box.
> /usr/bin/ld: /usr/bin/../lib/gcc/aarch64-linux-gnu/12/libgcc.a(lse-init.o): in function `init_have_lse_atomics':

Ah! Yeah, the issue is you've added the entrypoint to libc/config/linux/x86_64/entrypoints.txt, but you're on an aarch64 host. Try adding the entrypoint to libc/config/linux/aarch64/entrypoints.txt.

https://github.com/llvm/llvm-project/pull/85514