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timevar: don't declare getrusage if we don't use it

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This fails on MinGW.
Reported by Simon Sobisch.
http://lists.gnu.org/archive/html/bug-bison/2018-09/msg00058.html

* lib/timevar.c: Don't provide default prototypes for functions
we don't use.
This commit is contained in:
Akim Demaille
2018-09-22 11:12:54 +02:00
parent 9dfd46a5d5
commit a990213582
2 changed files with 10 additions and 11 deletions
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1
THANKS
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@@ -146,6 +146,7 @@ Sebastian Setzer sebastian.setzer.ext@siemens.com
Sebastien Fricker sebastien.fricker@gmail.com
Sergei Steshenko sergstesh@yahoo.com
Shura debil_urod@ngs.ru
Simon Sobisch simonsobisch@web.de
Stefano Lattarini stefano.lattarini@gmail.com
Stephen Cameron stephenmcameron@gmail.com
Steve Murphy murf@parsetree.com

20
lib/timevar.c
View File

@@ -48,16 +48,6 @@ struct tms
};
#endif
#if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
int getrusage (int, struct rusage *);
#endif
#if defined HAVE_DECL_TIMES && !HAVE_DECL_TIMES
clock_t times (struct tms *);
#endif
#if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
clock_t clock (void);
#endif
/* Calculation of scale factor to convert ticks to microseconds.
We mustn't use CLOCKS_PER_SEC except with clock(). */
#if HAVE_SYSCONF && defined _SC_CLK_TCK
@@ -86,6 +76,14 @@ clock_t clock (void);
# define HAVE_USER_TIME
#endif
#if defined USE_TIMES && !defined HAVE_DECL_TIMES
clock_t times (struct tms *);
#elif defined USE_GETRUSAGE && !defined HAVE_DECL_GETRUSAGE
int getrusage (int, struct rusage *);
#elif defined USE_CLOCK && !defined HAVE_DECL_CLOCK
clock_t clock (void);
#endif
/* libc is very likely to have snuck a call to sysconf() into one of
the underlying constants, and that can be very slow, so we have to
precompute them. Whose wonderful idea was it to make all those
@@ -172,7 +170,7 @@ set_to_current_time (struct timevar_time_def *now)
{
#ifdef USE_TIMES
struct tms tms;
now->wall = times (&tms) * ticks_to_msec;
now->wall = times (&tms) * ticks_to_msec;
now->user = (tms.tms_utime + tms.tms_cutime) * ticks_to_msec;
now->sys = (tms.tms_stime + tms.tms_cstime) * ticks_to_msec;
#elif defined USE_GETRUSAGE