error: hide unnecessary symbols

src/lxc/Makefile.am

@@ -518,7 +518,7 @@ if ENABLE_COMMANDS
 # Binaries shipping with liblxc
 init_lxc_SOURCES = cmd/lxc_init.c \
 		   compiler.h \
-		   error.h \
+		   error.c error.h \
 		   initutils.c initutils.h \
 		   memory_utils.h \
 		   parse.c parse.h \

src/lxc/error.c

@@ -18,7 +18,7 @@ lxc_log_define(error, lxc);
  *   128+n       signal n received by the application
  *   255         lxc error
  */
-extern int lxc_error_set_and_log(int pid, int status)
+int lxc_error_set_and_log(int pid, int status)
 {
 	int ret = 0;
 

src/lxc/error.h

@@ -6,6 +6,8 @@
 #define LXC_CLONE_ERROR "Failed to clone a new set of namespaces"
 #define LXC_UNPRIV_EOPNOTSUPP "the requested function %s is not currently supported with unprivileged containers"
 
-extern int  lxc_error_set_and_log(int pid, int status);
+#include "compiler.h"
+
+__hidden extern int lxc_error_set_and_log(int pid, int status);
 
 #endif