3 files changed, 5 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/sh/__init_brk.c b/libc/sysdeps/linux/sh/__init_brk.c
index c9a2a3ec5..92e07c49d 100644
--- a/libc/sysdeps/linux/sh/__init_brk.c
+++ b/libc/sysdeps/linux/sh/__init_brk.c
@@ -7,7 +7,7 @@
 void * __curbrk = 0;
 
 #define __NR__brk __NR_brk
-_syscall1(void *, _brk, void *, ptr);
+attribute_hidden _syscall1(void *, _brk, void *, ptr);
 
 int
 __init_brk (void)
diff --git a/libc/sysdeps/linux/sh/brk.c b/libc/sysdeps/linux/sh/brk.c
index 2406904a3..d6063fc27 100644
--- a/libc/sysdeps/linux/sh/brk.c
+++ b/libc/sysdeps/linux/sh/brk.c
@@ -7,9 +7,9 @@
 extern void * __curbrk;
 
 extern int __init_brk (void);
-extern void *_brk(void *ptr);
+extern void *_brk(void *ptr) attribute_hidden;
 
-int brk(void * end_data_seg)
+int attribute_hidden __brk(void * end_data_seg)
 {
     if (__init_brk () == 0)
     {
@@ -20,3 +20,4 @@ int brk(void * end_data_seg)
     }
     return -1;
 }
+strong_alias(__brk,brk)
diff --git a/libc/sysdeps/linux/sh/sbrk.c b/libc/sysdeps/linux/sh/sbrk.c
index 9cc8c4abd..e9faf7db0 100644
--- a/libc/sysdeps/linux/sh/sbrk.c
+++ b/libc/sysdeps/linux/sh/sbrk.c
@@ -7,7 +7,7 @@
 extern void * __curbrk;
 
 extern int __init_brk (void);
-extern void *_brk(void *ptr);
+extern void *_brk(void *ptr) attribute_hidden;
 
 void attribute_hidden *
 __sbrk(intptr_t increment)