instead of unions use double cast for data pointer <-> function pointer

[p5sagit/p5-mst-13.2.git] / perlapi.h

diff --git a/perlapi.h b/perlapi.h
index 1702029..73621c8 100644 (file)
--- a/perlapi.h
+++ b/perlapi.h
@@ -83,10 +83,27 @@ EXTCONST void * const PL_force_link_funcs[] = {
 #define PERLVARIC(v,t,i) PERLVAR(v,t)
 #define PERLVARISC(v,i) PERLVAR(v,char)
 
+/* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one
+ * cannot cast between void pointers and function pointers without
+ * info level warnings.  The PL_force_link_funcs[] would cause a few
+ * hundred of those warnings.  In code one can circumnavigate this by using
+ * unions that overlay the different pointers, but in declarations one
+ * cannot use this trick.  Therefore we just disable the warning here
+ * for the duration of the PL_force_link_funcs[] declaration. */
+
+#if defined(__DECC) && defined(__osf__)
+#pragma message save
+#pragma message disable (nonstandcast)
+#endif
+
 #include "thrdvar.h"
 #include "intrpvar.h"
 #include "perlvars.h"
 
+#if defined(__DECC) && defined(__osf__)
+#pragma message restore
+#endif
+
 #undef PERLVAR
 #undef PERLVARA
 #undef PERLVARI
@@ -533,6 +550,8 @@ END_EXTERN_C
 #define PL_sawampersand                (*Perl_Isawampersand_ptr(aTHX))
 #undef  PL_sh_path_compat
 #define PL_sh_path_compat      (*Perl_Ish_path_compat_ptr(aTHX))
+#undef  PL_shared_hek_table
+#define PL_shared_hek_table    (*Perl_Ishared_hek_table_ptr(aTHX))
 #undef  PL_sharehook
 #define PL_sharehook           (*Perl_Isharehook_ptr(aTHX))
 #undef  PL_sig_pending