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Don't probe extra libraries for fdatasync.

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Commit d2e15083 got rid of the main configure probe and HAVE_FDATASYNC
macro, but we still searched -lrt and -lposix4 for old Solaris systems.
It's in the C library on modern Solaris, as on other supported systems.

Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Tristan Partin <tristan@neon.tech>
Discussion: https://postgr.es/m/CA%2BhUKGLLVx4drdvXats9PxH3eeB%2BE2NkJReJ%2BRGmaOpU%3D9rgEA%40mail.gmail.com
This commit is contained in:
Thomas Munro 2023-08-17 16:11:41 +12:00
parent 81e36d3e0d
commit 64393a7ff9
3 changed files with 0 additions and 60 deletions
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57
configure vendored
View File

@ -12195,63 +12195,6 @@ if test "$ac_res" != no; then :
fi
# Solaris:
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fdatasync" >&5
$as_echo_n "checking for library containing fdatasync... " >&6; }
if ${ac_cv_search_fdatasync+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char fdatasync ();
int
main ()
{
return fdatasync ();
;
return 0;
}
_ACEOF
for ac_lib in '' rt posix4; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_fdatasync=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if ${ac_cv_search_fdatasync+:} false; then :
break
fi
done
if ${ac_cv_search_fdatasync+:} false; then :
else
ac_cv_search_fdatasync=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fdatasync" >&5
$as_echo "$ac_cv_search_fdatasync" >&6; }
ac_res=$ac_cv_search_fdatasync
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
# Cygwin:
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing shmget" >&5
$as_echo_n "checking for library containing shmget... " >&6; }

2
configure.ac
View File

@ -1286,8 +1286,6 @@ AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
AC_SEARCH_LIBS(shm_open, rt)
AC_SEARCH_LIBS(shm_unlink, rt)
AC_SEARCH_LIBS(clock_gettime, [rt posix4])
# Solaris:
AC_SEARCH_LIBS(fdatasync, [rt posix4])
# Cygwin:
AC_SEARCH_LIBS(shmget, cygipc)
# *BSD:

1
meson.build
View File

@ -2421,7 +2421,6 @@ func_checks = [
# required. Just checking for dlsym() ought to suffice.
['dlsym', {'dependencies': [dl_dep], 'define': false}],
['explicit_bzero'],
['fdatasync', {'dependencies': [rt_dep, posix4_dep], 'define': false}], # Solaris
['getifaddrs'],
['getopt', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt}],
['getopt_long', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt_long}],