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Commitd0a02bd

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Update configure's probe for libldap to work with OpenLDAP 2.5.
The separate libldap_r is gone and libldap itself is now alwaysthread-safe. Unfortunately there seems no easy way to tell byinspection whether libldap is thread-safe, so we have to takeit on faith that libldap is thread-safe if there's no libldap_r.That should be okay, as it appears that libldap_r was a standardpart of the installation going back at least 20 years.Report and patch by Adrian Ho. Back-patch to all supportedbranches, since people might try to build any of them witha newer OpenLDAP.Discussion:https://postgr.es/m/17083-a19190d9591946a7@postgresql.org
1 parenta9da193 commitd0a02bd

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4 files changed

+64
-49
lines changed

4 files changed

+64
-49
lines changed

‎configure

Lines changed: 52 additions & 37 deletions
Original file line numberDiff line numberDiff line change
@@ -12880,13 +12880,17 @@ fi
1288012880
if test "$with_ldap" = yes ; then
1288112881
_LIBS="$LIBS"
1288212882
if test "$PORTNAME" != "win32"; then
12883-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldap_bind in -lldap" >&5
12884-
$as_echo_n "checking for ldap_bind in -lldap... " >&6; }
12885-
if ${ac_cv_lib_ldap_ldap_bind+:} false; then :
12883+
if test "$enable_thread_safety" = yes; then
12884+
# Use ldap_r for FE if available, else assume ldap is thread-safe.
12885+
# If ldap_r does exist, assume without checking that ldap does too.
12886+
# on some platforms ldap_r fails to link without PTHREAD_LIBS
12887+
LIBS=""
12888+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ldap_bind" >&5
12889+
$as_echo_n "checking for library containing ldap_bind... " >&6; }
12890+
if ${ac_cv_search_ldap_bind+:} false; then :
1288612891
$as_echo_n "(cached) " >&6
1288712892
else
12888-
ac_check_lib_save_LIBS=$LIBS
12889-
LIBS="-lldap $EXTRA_LDAP_LIBS $LIBS"
12893+
ac_func_search_save_LIBS=$LIBS
1289012894
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1289112895
/* end confdefs.h. */
1289212896

@@ -12905,38 +12909,50 @@ return ldap_bind ();
1290512909
return 0;
1290612910
}
1290712911
_ACEOF
12908-
if ac_fn_c_try_link "$LINENO"; then :
12909-
ac_cv_lib_ldap_ldap_bind=yes
12910-
else
12911-
ac_cv_lib_ldap_ldap_bind=no
12912+
for ac_lib in '' ldap_r ldap; do
12913+
if test -z "$ac_lib"; then
12914+
ac_res="none required"
12915+
else
12916+
ac_res=-l$ac_lib
12917+
LIBS="-l$ac_lib $PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS $ac_func_search_save_LIBS"
12918+
fi
12919+
if ac_fn_c_try_link "$LINENO"; then :
12920+
ac_cv_search_ldap_bind=$ac_res
1291212921
fi
1291312922
rm -f core conftest.err conftest.$ac_objext \
12914-
conftest$ac_exeext conftest.$ac_ext
12915-
LIBS=$ac_check_lib_save_LIBS
12923+
conftest$ac_exeext
12924+
if ${ac_cv_search_ldap_bind+:} false; then :
12925+
break
1291612926
fi
12917-
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldap_ldap_bind" >&5
12918-
$as_echo "$ac_cv_lib_ldap_ldap_bind" >&6; }
12919-
if test "x$ac_cv_lib_ldap_ldap_bind" = xyes; then :
12920-
cat >>confdefs.h <<_ACEOF
12921-
#define HAVE_LIBLDAP 1
12922-
_ACEOF
12927+
done
12928+
if ${ac_cv_search_ldap_bind+:} false; then :
1292312929

12924-
LIBS="-lldap $LIBS"
12930+
else
12931+
ac_cv_search_ldap_bind=no
12932+
fi
12933+
rm conftest.$ac_ext
12934+
LIBS=$ac_func_search_save_LIBS
12935+
fi
12936+
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_ldap_bind" >&5
12937+
$as_echo "$ac_cv_search_ldap_bind" >&6; }
12938+
ac_res=$ac_cv_search_ldap_bind
12939+
if test "$ac_res" != no; then :
12940+
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
1292512941

1292612942
else
1292712943
as_fn_error $? "library 'ldap' is required for LDAP" "$LINENO" 5
1292812944
fi
1292912945

12930-
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
12931-
if test "$enable_thread_safety" = yes; then
12932-
# on some platforms ldap_r fails to link without PTHREAD_LIBS
12933-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking forldap_simple_bind in -lldap_r" >&5
12934-
$as_echo_n "checking forldap_simple_bind in -lldap_r... " >&6; }
12935-
if ${ac_cv_lib_ldap_r_ldap_simple_bind+:} false; then :
12946+
LDAP_LIBS_FE="$LIBS $EXTRA_LDAP_LIBS"
12947+
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
12948+
else
12949+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking forldap_bind in -lldap" >&5
12950+
$as_echo_n "checking forldap_bind in -lldap... " >&6; }
12951+
if ${ac_cv_lib_ldap_ldap_bind+:} false; then :
1293612952
$as_echo_n "(cached) " >&6
1293712953
else
1293812954
ac_check_lib_save_LIBS=$LIBS
12939-
LIBS="-lldap_r $PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS $LIBS"
12955+
LIBS="-lldap $EXTRA_LDAP_LIBS $LIBS"
1294012956
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1294112957
/* end confdefs.h. */
1294212958

@@ -12946,40 +12962,39 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1294612962
#ifdef __cplusplus
1294712963
extern "C"
1294812964
#endif
12949-
charldap_simple_bind ();
12965+
charldap_bind ();
1295012966
int
1295112967
main ()
1295212968
{
12953-
returnldap_simple_bind ();
12969+
returnldap_bind ();
1295412970
;
1295512971
return 0;
1295612972
}
1295712973
_ACEOF
1295812974
if ac_fn_c_try_link "$LINENO"; then :
12959-
ac_cv_lib_ldap_r_ldap_simple_bind=yes
12975+
ac_cv_lib_ldap_ldap_bind=yes
1296012976
else
12961-
ac_cv_lib_ldap_r_ldap_simple_bind=no
12977+
ac_cv_lib_ldap_ldap_bind=no
1296212978
fi
1296312979
rm -f core conftest.err conftest.$ac_objext \
1296412980
conftest$ac_exeext conftest.$ac_ext
1296512981
LIBS=$ac_check_lib_save_LIBS
1296612982
fi
12967-
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldap_r_ldap_simple_bind" >&5
12968-
$as_echo "$ac_cv_lib_ldap_r_ldap_simple_bind" >&6; }
12969-
if test "x$ac_cv_lib_ldap_r_ldap_simple_bind" = xyes; then :
12983+
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ldap_ldap_bind" >&5
12984+
$as_echo "$ac_cv_lib_ldap_ldap_bind" >&6; }
12985+
if test "x$ac_cv_lib_ldap_ldap_bind" = xyes; then :
1297012986
cat >>confdefs.h <<_ACEOF
12971-
#defineHAVE_LIBLDAP_R 1
12987+
#defineHAVE_LIBLDAP 1
1297212988
_ACEOF
1297312989

12974-
LIBS="-lldap_r $LIBS"
12990+
LIBS="-lldap $LIBS"
1297512991

1297612992
else
12977-
as_fn_error $? "library 'ldap_r' is required for LDAP" "$LINENO" 5
12993+
as_fn_error $? "library 'ldap' is required for LDAP" "$LINENO" 5
1297812994
fi
1297912995

12980-
LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
12981-
else
1298212996
LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
12997+
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1298312998
fi
1298412999
for ac_func in ldap_initialize
1298513000
do :

‎configure.ac

Lines changed: 12 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1289,18 +1289,22 @@ fi
12891289
if test "$with_ldap" = yes ; then
12901290
_LIBS="$LIBS"
12911291
if test "$PORTNAME" != "win32"; then
1292-
AC_CHECK_LIB(ldap,ldap_bind,[],
1293-
[AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1294-
[$EXTRA_LDAP_LIBS])
1295-
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
12961292
if test "$enable_thread_safety" = yes; then
1293+
# Use ldap_r for FE if available, else assume ldap is thread-safe.
1294+
# If ldap_r does exist, assume without checking that ldap does too.
12971295
# on some platforms ldap_r fails to link without PTHREAD_LIBS
1298-
AC_CHECK_LIB(ldap_r,ldap_simple_bind,[],
1299-
[AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1300-
[$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1301-
LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1296+
LIBS=""
1297+
AC_SEARCH_LIBS(ldap_bind,[ldap_r ldap],[],
1298+
[AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1299+
[$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1300+
LDAP_LIBS_FE="$LIBS $EXTRA_LDAP_LIBS"
1301+
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
13021302
else
1303+
AC_CHECK_LIB(ldap,ldap_bind,[],
1304+
[AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1305+
[$EXTRA_LDAP_LIBS])
13031306
LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1307+
LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
13041308
fi
13051309
AC_CHECK_FUNCS([ldap_initialize])
13061310
else

‎src/include/pg_config.h.in

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -322,9 +322,6 @@
322322
/* Define to 1 if you have the `ldap' library (-lldap). */
323323
#undef HAVE_LIBLDAP
324324

325-
/* Define to 1 if you have the `ldap_r' library (-lldap_r). */
326-
#undef HAVE_LIBLDAP_R
327-
328325
/* Define to 1 if you have the `lz4' library (-llz4). */
329326
#undef HAVE_LIBLZ4
330327

‎src/tools/msvc/Solution.pm

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -302,7 +302,6 @@ sub GenerateFiles
302302
HAVE_LDAP_INITIALIZE=>undef,
303303
HAVE_LIBCRYPTO=>undef,
304304
HAVE_LIBLDAP=>undef,
305-
HAVE_LIBLDAP_R=>undef,
306305
HAVE_LIBLZ4=>undef,
307306
HAVE_LIBM=>undef,
308307
HAVE_LIBPAM=>undef,

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