builtin: compile the gc statically by default (#14063)

thirdparty/libgc/include/gc/leak_detector.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2000-2011 by Hewlett-Packard Development Company.
+ * All rights reserved.
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose,  provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+
+#ifndef GC_LEAK_DETECTOR_H
+#define GC_LEAK_DETECTOR_H
+
+/* Include leak_detector.h (e.g., via GCC --include directive)  */
+/* to turn BoehmGC into a Leak Detector.                        */
+
+#ifndef GC_DEBUG
+# define GC_DEBUG
+#endif
+#include "gc.h"
+
+#ifndef GC_DONT_INCLUDE_STDLIB
+  /* We ensure stdlib.h and string.h are included before        */
+  /* redirecting malloc() and the accompanying functions.       */
+# include <stdlib.h>
+# include <string.h>
+#endif
+
+#undef malloc
+#define malloc(n) GC_MALLOC(n)
+#undef calloc
+#define calloc(m,n) GC_MALLOC((m)*(n))
+#undef free
+#define free(p) GC_FREE(p)
+#undef realloc
+#define realloc(p,n) GC_REALLOC(p,n)
+
+#undef strdup
+#define strdup(s) GC_STRDUP(s)
+#undef strndup
+#define strndup(s,n) GC_STRNDUP(s,n)
+
+#ifdef GC_REQUIRE_WCSDUP
+  /* The collector should be built with GC_REQUIRE_WCSDUP       */
+  /* defined as well to redirect wcsdup().                      */
+# include <wchar.h>
+# undef wcsdup
+# define wcsdup(s) GC_WCSDUP(s)
+#endif
+
+#undef memalign
+#define memalign(a,n) GC_memalign(a,n)
+#undef posix_memalign
+#define posix_memalign(p,a,n) GC_posix_memalign(p,a,n)
+
+#ifndef CHECK_LEAKS
+# define CHECK_LEAKS() GC_gcollect()
+  /* Note 1: CHECK_LEAKS does not have GC prefix (preserved for */
+  /* backward compatibility).                                   */
+  /* Note 2: GC_gcollect() is also called automatically in the  */
+  /* leak-finding mode at program exit.                         */
+#endif
+
+#endif /* GC_LEAK_DETECTOR_H */