[Newlib] Attempt to provide an errno symbol

codyd51 · codyd51 · commit 1e4c08546aa0 · 2024-03-24T22:24:52.000Z
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -38,7 +38,7 @@ jobs:
             x86_64-toolchain
             axle-sysroot
             scripts/mkinitrd/target
-          key: libc-and-toolchain
+          key: libc-and-toolchain-cachebuster
 
       - name: Build libc and toolchain
         shell: bash
diff --git a/scripts/newlib.patch b/scripts/newlib.patch
@@ -119,6 +119,10 @@ index 0000000..c2926ca
 +#include <stdbool.h>
 +#include <stdint.h>
 +
++// Ref: https://sourceware.org/newlib/libc.html#Stubs
++#undef errno
++extern int errno;
++
 +#include "syscalls.h"
 +
 +// amc syscalls

Original file line number	Diff line number	Diff line change
`@@ -119,6 +119,10 @@ index 0000000..c2926ca`
`119`	`119`	`+#include <stdbool.h>`
`120`	`120`	`+#include <stdint.h>`
`121`	`121`	`+`
	`122`	`++// Ref: https://sourceware.org/newlib/libc.html#Stubs`
	`123`	`++#undef errno`
	`124`	`++extern int errno;`
	`125`	`++`
`122`	`126`	`+#include "syscalls.h"`
`123`	`127`	`+`
`124`	`128`	`+// amc syscalls`