autoconf's AC_CHECK_FUNCS([strtol])

Lapo Luchini lapo@lapo.it
Fri Dec 13 06:17:00 GMT 2002


...says the function isn't there, but there it is.

This is in config.log, is this 'normal' and/or a 'known problem'?

> configure:15213: checking for strtol
> configure:15250: g++ -o conftest.exe -g -O2  -L/usr/local/lib/ 
> conftest.cc -lexp
> at  >&5
> configure:15228: declaration of C function `char strtol()' conflicts with
> /usr/include/stdlib.h:99: previous declaration `long int strtol(const 
> char*,
>    char**, int)' here
> configure:15253: $? = 1
> configure: failed program was:
> #line 15218 "configure"
> #include "confdefs.h"
> /* System header to define __stub macros and hopefully few prototypes,
>     which can conflict with char strtol (); below.  */
> #include <assert.h>
> /* Override any gcc2 internal prototype to avoid an error.  */
> #ifdef __cplusplus
> extern "C"
> #endif
> /* We use char because int might match the return type of a gcc2
>    builtin and then its argument prototype would still apply.  */
> char strtol ();
> char (*f) ();
>
> int
> main ()
> {
> /* The GNU C library defines this for functions which it implements
>     to always fail with ENOSYS.  Some functions are actually named
>     something starting with __ and the normal name is an alias.  */
> #if defined (__stub_strtol) || defined (__stub___strtol)
> choke me
> #else
> f = strtol;
> #endif
>
>   ;
>   return 0;
> }
> configure:15269: result: no

-- 
Lapo 'Raist' Luchini
lapo@lapo.it (PGP & X.509 keys available)
http://www.lapo.it (ICQ UIN: 529796)



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