Rely on C89 <assert.h>

1 files changed, 4 insertions, 6 deletions

diff --git a/perl.h b/perl.h
index caf74e2280..2b4c324514 100644
--- a/perl.h
+++ b/perl.h
@@ -3219,12 +3219,10 @@ EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
 #  define __attribute__warn_unused_result__
 #endif
 
-#ifdef I_ASSERT
-#  if !defined(DEBUGGING) && !defined(NDEBUG)
-#    define NDEBUG 1
-#  endif
-#  include <assert.h>
+#if !defined(DEBUGGING) && !defined(NDEBUG)
+#  define NDEBUG 1
 #endif
+#include <assert.h>
 
 /* For functions that are marked as __attribute__noreturn__, it's not
    appropriate to call return.  In either case, include the lint directive.
@@ -3965,7 +3963,7 @@ Gid_t getegid (void);
 			"\", line %d", STRINGIFY(what), __LINE__),	\
              (void) 0)), ((void)0))
 
-/* assert() gets defined if DEBUGGING (and I_ASSERT).
+/* assert() gets defined if DEBUGGING.
  * If no DEBUGGING, the <assert.h> has not been included. */
 #ifndef assert
 #  define assert(what)	Perl_assert(what)