* gmp-h.in (__mpz_struct): Add comment on __mpz_struct getting into

	C++ mangled function names.

1 files changed, 3 insertions, 0 deletions

diff --git a/gmp-h.in b/gmp-h.in
index e908185cf..7f34c0bfa 100644
--- a/gmp-h.in
+++ b/gmp-h.in
@@ -197,6 +197,9 @@ typedef long int		mp_limb_signed_t;
 #endif
 #endif
 
+/* For reference, note that the name __mpz_struct gets into C++ mangled
+   function names, which means although the "__" suggests an internal, we
+   must leave this name for binary compatibility.  */
 typedef struct
 {
   int _mp_alloc;		/* Number of *limbs* allocated and pointed