I am attempting to recompile some code from an older version.
> uname -a
FreeBSD ZD7000 9.1-STABLE FreeBSD 9.1-STABLE #1: Sun Jan 13 23:44:33 PST
2013 root@ZD7000:/usr/obj/usr/src/sys/GENERIC i386
> make
gcc47 -O2 -pipe -I../../include -std=gnu99 -fstack-protector
-Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized
-Wno-pointer-sign -c data-collection.c
data-collection.c: In function 'main':
data-collection.c:214:4: error: format '%ld' expects argument of type
'long int', but argument 3 has type 'time_t' [-Werror=format]
data-collection.c:234:4: error: format '%ld' expects argument of type
'long int', but argument 3 has type 'time_t' [-Werror=format]
cc1: all warnings being treated as errors
*** [data-collection.o] Error code 1
> cat data-collection.c
...
#include <time.h> /* time_t */
#include <sys/time.h> /* gettimeofday() */
...
gettimeofday(&spi_stop, &tz); / * line 211 */
printf("Loop %d, SPI %ld %ld\n",
loop,
spi_stop.tv_sec, spi_stop.tv_usec);
...
gettimeofday(&disk_stop, &tz); /* line 231 */
printf("Loop %d, Disk %ld %ld\n",
loop,
disk_stop.tv_sec, disk_stop.tv_usec);
...
time.h defines time_t
#ifndef _TIME_T_DECLARED
typedef __time_t time_t;
#define _TIME_T_DECLARED
#endif
sys/time.h includes sys/types.h which includes sys/_types.h which
includes machine/_types.h where __time_t is defined
typedef __int32_t __time_t; /* time()... */
Question: Why do I see the error?
Tom Dean
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