6 files changed, 16 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/bits/errno.h b/libc/sysdeps/linux/common/bits/errno.h
index a5ac1a47f..92227fe73 100644
--- a/libc/sysdeps/linux/common/bits/errno.h
+++ b/libc/sysdeps/linux/common/bits/errno.h
@@ -41,6 +41,7 @@
 # ifndef __ASSEMBLER__
 /* Function to get address of global `errno' variable.  */
 extern int *__errno_location (void) __THROW __attribute__ ((__const__));
+libc_hidden_proto(__errno_location)
 
 #  ifdef __UCLIBC_HAS_THREADS__
 /* When using threads, errno is a per-thread value.  */
diff --git a/libc/sysdeps/linux/common/bits/getopt.h b/libc/sysdeps/linux/common/bits/getopt.h
index a28d0a40b..0307757a6 100644
--- a/libc/sysdeps/linux/common/bits/getopt.h
+++ b/libc/sysdeps/linux/common/bits/getopt.h
@@ -153,8 +153,10 @@ struct option
    errors, only prototype getopt for the GNU C library.  */
 extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
        __THROW;
+libc_hidden_proto(getopt)
 #else /* not __GNU_LIBRARY__ */
 extern int getopt ();
+libc_hidden_proto(getopt)
 #endif /* __GNU_LIBRARY__ */
 
 #if defined __UCLIBC_HAS_GNU_GETOPT__ || defined __UCLIBC_HAS_GETOPT_LONG__
diff --git a/libc/sysdeps/linux/common/bits/sigset.h b/libc/sysdeps/linux/common/bits/sigset.h
index 7ccadda45..9a16e5cb9 100644
--- a/libc/sysdeps/linux/common/bits/sigset.h
+++ b/libc/sysdeps/linux/common/bits/sigset.h
@@ -101,8 +101,11 @@ typedef struct
    checking is done in the non __ versions.  */
 
 extern int __sigismember (__const __sigset_t *, int);
+libc_hidden_proto(__sigismember)
 extern int __sigaddset (__sigset_t *, int);
+libc_hidden_proto(__sigaddset)
 extern int __sigdelset (__sigset_t *, int);
+libc_hidden_proto(__sigdelset)
 
 # ifdef __USE_EXTERN_INLINES
 #  define __SIGSETFN(NAME, BODY, CONST)					      \
diff --git a/libc/sysdeps/linux/common/bits/socket.h b/libc/sysdeps/linux/common/bits/socket.h
index 2f3dc797b..ac5a4336b 100644
--- a/libc/sysdeps/linux/common/bits/socket.h
+++ b/libc/sysdeps/linux/common/bits/socket.h
@@ -269,6 +269,7 @@ struct cmsghdr
 
 extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
 				      struct cmsghdr *__cmsg) __THROW;
+libc_hidden_proto(__cmsg_nxthdr)
 #ifdef __USE_EXTERN_INLINES
 # ifndef _EXTERN_INLINE
 #  define _EXTERN_INLINE extern __inline
@@ -314,7 +315,13 @@ struct ucred
 };
 
 /* Get socket manipulation related informations from kernel headers.  */
+#ifndef __GLIBC__
+#define __GLIBC__ 2
 #include <asm/socket.h>
+#undef __GLIBC__
+#else
+#include <asm/socket.h>
+#endif
 
 
 /* Structure used to manipulate the SO_LINGER option.  */
diff --git a/libc/sysdeps/linux/common/bits/uClibc_errno.h b/libc/sysdeps/linux/common/bits/uClibc_errno.h
index 631e10c50..9c1561841 100644
--- a/libc/sysdeps/linux/common/bits/uClibc_errno.h
+++ b/libc/sysdeps/linux/common/bits/uClibc_errno.h
@@ -9,7 +9,7 @@
 #ifdef IS_IN_rtld
 # undef errno
 # define errno _dl_errno
-extern int _dl_errno; // attribute_hidden;
+extern int _dl_errno; /* attribute_hidden; */
 #elif defined __UCLIBC_HAS_THREADS__
 # include <tls.h>
 # if defined USE___THREAD && USE___THREAD
diff --git a/libc/sysdeps/linux/common/bits/uClibc_stdio.h b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
index 0af2d5db5..a8cf4eb56 100644
--- a/libc/sysdeps/linux/common/bits/uClibc_stdio.h
+++ b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
@@ -390,7 +390,9 @@ extern void __stdio_init_mutex(__UCLIBC_MUTEX_TYPE *m) attribute_hidden;
 #endif
 
 extern int __fgetc_unlocked(FILE *__stream);
+libc_hidden_proto(__fgetc_unlocked)
 extern int __fputc_unlocked(int __c, FILE *__stream);
+libc_hidden_proto(__fputc_unlocked)
 
 /* First define the default definitions.
    They are overridden below as necessary. */