5 files changed, 19 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bits/cmathcalls.h b/libc/sysdeps/linux/sh/bits/cmathcalls.h
index f063042b0..c1b0781b0 100644
--- a/libc/sysdeps/linux/sh/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/sh/bits/cmathcalls.h
@@ -47,6 +47,7 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
+__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -155,3 +156,5 @@ __MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
 }
 
 #endif
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/sh/bits/errno.h b/libc/sysdeps/linux/sh/bits/errno.h
index 35bd61109..968e178ea 100644
--- a/libc/sysdeps/linux/sh/bits/errno.h
+++ b/libc/sysdeps/linux/sh/bits/errno.h
@@ -32,6 +32,9 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
+
+__BEGIN_DECLS
+
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
@@ -47,6 +50,9 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
+
+__END_DECLS
+
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
diff --git a/libc/sysdeps/linux/sh/bits/sigset.h b/libc/sysdeps/linux/sh/bits/sigset.h
index 66a9c51c5..de852a8a0 100644
--- a/libc/sysdeps/linux/sh/bits/sigset.h
+++ b/libc/sysdeps/linux/sh/bits/sigset.h
@@ -97,6 +97,8 @@ typedef struct
 #  endif
 # endif
 
+__BEGIN_DECLS
+
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
@@ -121,5 +123,6 @@ __SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
 #  undef __SIGSETFN
 # endif
 
+__END_DECLS
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/sh/bits/sigthread.h b/libc/sysdeps/linux/sh/bits/sigthread.h
index c9b1dcf1b..c213614be 100644
--- a/libc/sysdeps/linux/sh/bits/sigthread.h
+++ b/libc/sysdeps/linux/sh/bits/sigthread.h
@@ -24,6 +24,8 @@
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
+__BEGIN_DECLS
+
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
@@ -34,4 +36,6 @@ extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill __P ((pthread_t __thread, int __signo));
 
+__END_DECLS
+
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/sh/bits/sockaddr.h b/libc/sysdeps/linux/sh/bits/sockaddr.h
index 1c523444b..8078963a8 100644
--- a/libc/sysdeps/linux/sh/bits/sockaddr.h
+++ b/libc/sysdeps/linux/sh/bits/sockaddr.h
@@ -24,6 +24,7 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
+__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -41,4 +42,6 @@ typedef unsigned short int sa_family_t;
 #define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
 extern int __libc_sa_len __P ((sa_family_t __af));
 
+__END_DECLS
+
 #endif	/* bits/sockaddr.h */