support _BSD_SOURCE feature test macro

[musl] / include / setjmp.h

diff --git a/include/setjmp.h b/include/setjmp.h
index b024c44..88fb950 100644 (file)
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -9,7 +9,8 @@ extern "C" {
 
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
 typedef unsigned long sigjmp_buf[(128+sizeof(jmp_buf))/sizeof(long)];
 #ifdef _GNU_SOURCE
 #define jmp_buf sigjmp_buf
@@ -19,7 +20,8 @@ void siglongjmp (sigjmp_buf, int);
 #endif
 
 
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
 int _setjmp (jmp_buf);
 void _longjmp (jmp_buf, int);
 #endif