git: b01e971fd39d - main - Don't rely on sys/_types.h including sys/cdefs.h

The branch main has been updated by brooks:

URL: https://cgit.FreeBSD.org/src/commit/?id=b01e971fd39d10273a387788019457792873e81c

commit b01e971fd39d10273a387788019457792873e81c
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2025-06-11 16:39:01 +0000
Commit:     Brooks Davis <brooks@FreeBSD.org>
CommitDate: 2025-06-11 16:39:01 +0000

    Don't rely on sys/_types.h including sys/cdefs.h
    
    These headers relied in __BEGIN_DECS/__END_DECLS being defined when
    sys/_types.h was included, but there's not a requirement that this be
    the case.
    
    Reviewed by:    imp
    Exp-run by:     antoine (PR 286274)
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/1595
---
 contrib/libexecinfo/execinfo.h | 2 ++
 include/dlfcn.h                | 1 +
 lib/msun/src/math.h            | 1 +
 sys/sys/procdesc.h             | 1 +
 4 files changed, 5 insertions(+)

diff --git a/contrib/libexecinfo/execinfo.h b/contrib/libexecinfo/execinfo.h
index 22460967e83c..8a3c36b2da21 100644
--- a/contrib/libexecinfo/execinfo.h
+++ b/contrib/libexecinfo/execinfo.h
@@ -32,6 +32,8 @@
 #ifndef _EXECINFO_H_
 #define _EXECINFO_H_
 
+#include <sys/cdefs.h>
+
 #include <stddef.h>
 
 __BEGIN_DECLS
diff --git a/include/dlfcn.h b/include/dlfcn.h
index 89ec43b332e9..9a4ac0faf786 100644
--- a/include/dlfcn.h
+++ b/include/dlfcn.h
@@ -32,6 +32,7 @@
 #ifndef _DLFCN_H_
 #define	_DLFCN_H_
 
+#include <sys/cdefs.h>
 #include <sys/_types.h>
 
 /*
diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h
index be7b86144738..aecc652ea08a 100644
--- a/lib/msun/src/math.h
+++ b/lib/msun/src/math.h
@@ -15,6 +15,7 @@
 #ifndef _MATH_H_
 #define	_MATH_H_
 
+#include <sys/cdefs.h>
 #include <sys/_types.h>
 #include <machine/_limits.h>
 
diff --git a/sys/sys/procdesc.h b/sys/sys/procdesc.h
index 4e8b06fb7377..81102dffa6ff 100644
--- a/sys/sys/procdesc.h
+++ b/sys/sys/procdesc.h
@@ -108,6 +108,7 @@ int	 procdesc_falloc(struct thread *, struct file **, int *, int,
 
 #else /* !_KERNEL */
 
+#include <sys/cdefs.h>
 #include <sys/_types.h>
 
 #ifndef _PID_T_DECLARED