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Commit382ff21

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Fix up lame idea of not using autoconf to determine if platform has scandir().
Should fix buildfarm failures.
1 parent2a73ee5 commit382ff21

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4 files changed

+19
-17
lines changed

4 files changed

+19
-17
lines changed

‎configure

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -18494,7 +18494,8 @@ fi
1849418494

1849518495

1849618496

18497-
for ac_func in cbrt dlopen fcvt fdatasync getifaddrs getpeereid getpeerucred getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs
18497+
18498+
for ac_func in cbrt dlopen fcvt fdatasync getifaddrs getpeereid getpeerucred getrlimit memmove poll pstat readlink scandir setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs
1849818499
do
1849918500
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1850018501
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5

‎configure.in

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
dnl Process this file with autoconf to produce a configure script.
2-
dnl $PostgreSQL: pgsql/configure.in,v 1.626 2010/04/30 03:16:58 scrappy Exp $
2+
dnl $PostgreSQL: pgsql/configure.in,v 1.627 2010/05/13 22:07:42 tgl Exp $
33
dnl
44
dnl Developers, please strive to achieve this order:
55
dnl
@@ -1167,7 +1167,7 @@ PGAC_VAR_INT_TIMEZONE
11671167
AC_FUNC_ACCEPT_ARGTYPES
11681168
PGAC_FUNC_GETTIMEOFDAY_1ARG
11691169

1170-
AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getifaddrs getpeereid getpeerucred getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
1170+
AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getifaddrs getpeereid getpeerucred getrlimit memmove poll pstat readlinkscandirsetproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
11711171

11721172
AC_REPLACE_FUNCS(fseeko)
11731173
case $host_os in

‎contrib/pg_upgrade/file.c

Lines changed: 12 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -33,7 +33,7 @@ static intwin32_pghardlink(const char *src, const char *dst);
3333
staticintcopy_dir(constchar*from,constchar*to,boolforce);
3434
#endif
3535

36-
#if defined(sun)|| defined(WIN32)
36+
#ifndefHAVE_SCANDIR
3737
staticintpg_scandir_internal(migratorContext*ctx,constchar*dirname,
3838
structdirent***namelist,
3939
int (*selector) (conststructdirent*));
@@ -235,26 +235,25 @@ copy_file(const char *srcfile, const char *dstfile, bool force)
235235
* pg_scandir()
236236
*
237237
* Wrapper for portable scandir functionality
238-
*
239238
*/
240239
int
241240
pg_scandir(migratorContext*ctx,constchar*dirname,
242241
structdirent***namelist,
243242
int (*selector) (conststructdirent*))
244243
{
245-
#if defined(sun)|| defined(WIN32)
244+
#ifndefHAVE_SCANDIR
246245
returnpg_scandir_internal(ctx,dirname,namelist,selector);
247246

248247
/*
248+
* scandir() is originally from BSD 4.3, which had the third argument as
249+
* non-const. Linux and other C libraries have updated it to use a const.
250+
* http://unix.derkeiler.com/Mailing-Lists/FreeBSD/questions/2005-12/msg00214.html
251+
*
249252
* Here we try to guess which libc's need const, and which don't. The net
250-
* goal here is to try tosupress a compiler warning due to a prototype
253+
* goal here is to try tosuppress a compiler warning due to a prototype
251254
* mismatch of const usage. Ideally we would do this via autoconf, but
252-
* Postgres's autoconf doesn't test for this and it is overkill to add
253-
* autoconf just for this. scandir() is from BSD 4.3, which had the third
254-
* argument as non-const. Linux and other C libraries have updated it to
255-
* use a const.
256-
* http://unix.derkeiler.com/Mailing-Lists/FreeBSD/questions/2005-12/msg002
257-
* 14.html
255+
* autoconf doesn't have a suitable builtin test and it seems overkill
256+
* to add one just to avoid a warning.
258257
*/
259258
#elif defined(freebsd)|| defined(bsdi)|| defined(darwin)|| defined(openbsd)
260259
/* no const */
@@ -266,19 +265,18 @@ pg_scandir(migratorContext *ctx, const char *dirname,
266265
}
267266

268267

269-
#if defined(sun)|| defined(WIN32)
268+
#ifndefHAVE_SCANDIR
270269
/*
271270
* pg_scandir_internal()
272271
*
273-
* We'll provide our own scandir function for sun, since it is not
274-
* part of the standard system library.
272+
* Implement our own scandir() on platforms that don't have it.
275273
*
276274
* Returns count of files that meet the selection criteria coded in
277275
* the function pointed to by selector. Creates an array of pointers
278276
* to dirent structures. Address of array returned in namelist.
279277
*
280278
* Note that the number of dirent structures needed is dynamically
281-
* allocated using realloc. Realloc can beinneficient if invoked a
279+
* allocated using realloc. Realloc can beinefficient if invoked a
282280
* large number of times. Its use in pg_upgrade is to find filesystem
283281
* filenames that have extended beyond the initial segment (file.1,
284282
* .2, etc.) and should therefore be invoked a small number of times.

‎src/include/pg_config.h.in

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -409,6 +409,9 @@
409409
/* Define to 1 if you have the `rl_filename_completion_function' function. */
410410
#undef HAVE_RL_FILENAME_COMPLETION_FUNCTION
411411

412+
/* Define to 1 if you have the `scandir' function. */
413+
#undef HAVE_SCANDIR
414+
412415
/* Define to 1 if you have the <security/pam_appl.h> header file. */
413416
#undef HAVE_SECURITY_PAM_APPL_H
414417

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