x86-64-linux-os.h needs a patch for modern glibc

[HJarausch]

On my Gentoo system with glibc-2.26 the file src/runtime/x86-64-linux-os.h
needs the following patch

--- a/src/runtime/x86-64-linux-os.h.ORIG 2017-08-31 11:40:51.000000000 +0200
+++ b/src/runtime/x86-64-linux-os.h 2017-08-31 18:56:10.447100144 +0200
@@ -1,7 +1,9 @@
 #ifndef _X86_64_LINUX_OS_H
 #define _X86_64_LINUX_OS_H

-typedef struct ucontext os_context_t;
+#include <sys/ucontext.h>
+
+typedef struct ucontext_t os_context_t;
 typedef long os_context_register_t;

 static inline os_context_t *arch_os_get_context(void **void_context)

[Anticrisis (anticrisis)]

Compilation of SBCL 1.3.21 under ArchLinux also fails on this file unless the typedef is corrected. The include <sys/ucontext.h> does not appear to be necessary.

[Stas Boukarev (stassats)]

In 5137da6e743906b5c0250e01418cc84c09048f5e.