Index: devel/deforaos-libsystem/files/patch-src_error.c
===================================================================
--- /dev/null
+++ devel/deforaos-libsystem/files/patch-src_error.c
@@ -0,0 +1,45 @@
+--- src/error.c.orig	2014-11-21 17:41:49 UTC
++++ src/error.c
+@@ -46,14 +46,22 @@ static char const * _error_do(int * code
+ /* error_get */
+ char const * error_get(void)
+ {
+-	return _error_do(NULL, NULL, NULL);
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
++	return _error_do(NULL, NULL, unused);
+ }
+ 
+ 
+ /* error_get_code */
+ char const * error_get_code(int * code)
+ {
+-	return _error_do(code, NULL, NULL);
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
++	return _error_do(code, NULL, unused);
+ }
+ 
+ 
+@@ -98,12 +106,16 @@ int error_print(char const * program)
+ {
+ 	int code = 0;
+ 
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
+ 	if(program != NULL)
+ 	{
+ 		fputs(program, stderr);
+ 		fputs(": ", stderr);
+ 	}
+-	fputs(_error_do(&code, NULL, NULL), stderr);
++	fputs(_error_do(&code, NULL, unused), stderr);
+ 	fputc('\n', stderr);
+ 	return code;
+ }
@@ -0,0 +1,45 @@
+--- src/error.c.orig	2014-11-21 17:41:49 UTC
++++ src/error.c
+@@ -46,14 +46,22 @@ static char const * _error_do(int * code
+ /* error_get */
+ char const * error_get(void)
+ {
+-	return _error_do(NULL, NULL, NULL);
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
++	return _error_do(NULL, NULL, unused);
+ }
+ 
+ 
+ /* error_get_code */
+ char const * error_get_code(int * code)
+ {
+-	return _error_do(code, NULL, NULL);
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
++	return _error_do(code, NULL, unused);
+ }
+ 
+ 
+@@ -98,12 +106,16 @@ int error_print(char const * program)
+ {
+ 	int code = 0;
+ 
++	va_list unused;
++
++	bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
++
+ 	if(program != NULL)
+ 	{
+ 		fputs(program, stderr);
+ 		fputs(": ", stderr);
+ 	}
+-	fputs(_error_do(&code, NULL, NULL), stderr);
++	fputs(_error_do(&code, NULL, unused), stderr);
+ 	fputc('\n', stderr);
+ 	return code;
+ }