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Roland McGrath <roland@frob.com> writes: >> What about adding proper prototypes for these functions for older GCC >> versions? > > You can just #define them away since the only part of the headers that > matters for warning-nop.c is the __warndecl uses. Like the following? It compiles without warnings and generates the link warning. Andreas Index: debug/warning-nop.c =================================================================== RCS file: /cvs/glibc/libc/debug/warning-nop.c,v retrieving revision 1.2 diff -u -p -r1.2 warning-nop.c --- debug/warning-nop.c 1 Mar 2005 00:42:55 -0000 1.2 +++ debug/warning-nop.c 27 Mar 2005 20:49:15 -0000 @@ -37,4 +37,17 @@ nop (void) /* Following here we need an #include for each public header file that uses __warndecl. */ +/* Define away to avoid warnings with compilers that do not have these + builtins. */ +#define __builtin___memcpy_chk(dest, src, len, bos) NULL +#define __builtin___memmove_chk(dest, src, len, bos) NULL +#define __builtin___mempcpy_chk(dest, src, len, bos) NULL +#define __builtin___memset_chk(dest, ch, len, bos) NULL +#define __builtin___stpcpy_chk(dest, src, bos) NULL +#define __builtin___strcat_chk(dest, src, bos) NULL +#define __builtin___strcpy_chk(dest, src, bos) NULL +#define __builtin___strncat_chk(dest, src, len, bos) NULL +#define __builtin___strncpy_chk(dest, src, len, bos) NULL +#define __builtin_object_size(bos, level) 0 + #include <string.h> -- Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj SUSE Linux Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GPG fingerprint = 93A3 365E CE47 B889 DF7F FED1 389A 563C C272 A126
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