Re: Configuring fdatasync for Solaris2

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
Subject: Re: [PATCHES] Configuring fdatasync for Solaris2
Date: Tue, 11 Sep 2001 21:25:31 +0200 (CEST)

;;; I added
;;;
;;; AC_SEARCH_LIBS(fdatasync, rt)
;;;
;;; near the location where your patch went.

I applied your modification in the current to 7.1.3. Configure says as
follows:

$ uname -a
SunOS ext274 5.6 Generic_105181-23 sun4u sparc SUNW,UltraSPARC-IIi-cEngine
$ cvs di configure.in
Index: configure.in
===================================================================
RCS file: /home/mgr/sugita/jobs/cvs-master/pgsql/src/7.1.3/build/configure.in,v
retrieving revision 1.1.1.1
diff -u -3 -p -r1.1.1.1 configure.in
--- configure.in 16 Aug 2001 18:36:31 -0000 1.1.1.1
+++ configure.in 12 Sep 2001 01:44:13 -0000
@@ -681,6 +681,7 @@ dnl it seems unwise to encourage people
AC_EGREP_HEADER(z_streamp, zlib.h, [
AC_CHECK_LIB(z, inflate)
])
=> +AC_SEARCH_LIBS(fdatasync, rt)

if test "$with_krb4" = yes ; then
$ autoconf
$ ./configure 2>&1 | tee configure.out
...
checking for inflate in -lz... yes
=> checking for library containing fdatasync... no
checking for crypt.h... yes
...
$

I also cannot find out the rt library on Solaris2. The library posix4 hits
fdatasync.

$ make distclean
$ cvs di -u configure.in
Index: configure.in
===================================================================
RCS file: /home/mgr/sugita/jobs/cvs-master/pgsql/src/7.1.3/build/configure.in,v
retrieving revision 1.1.1.1
diff -u -3 -p -u -r1.1.1.1 configure.in
--- configure.in 16 Aug 2001 18:36:31 -0000 1.1.1.1
+++ configure.in 12 Sep 2001 01:58:39 -0000
@@ -681,6 +681,7 @@ dnl it seems unwise to encourage people
AC_EGREP_HEADER(z_streamp, zlib.h, [
AC_CHECK_LIB(z, inflate)
])
=> +AC_SEARCH_LIBS(fdatasync, posix4)

if test "$with_krb4" = yes ; then
$ autoconf
$ ./configure 2>&1 | tee configure.out
...
checking for inflate in -lz... yes
=> checking for library containing fdatasync... -lposix4
checking for crypt.h... yes
...
$ make install
$ initdb
$ pg_ctl -o '-c wal_sync_method=fdatasync -S' start
postmaster successfully started
$ psql template1
Welcome to psql, the PostgreSQL interactive terminal.

Type: \copyright for distribution terms
\h for help with SQL commands
\? for help on internal slash commands
\g or terminate with semicolon to execute query
\q to quit

template1=# show wal_sync_method;
NOTICE: wal_sync_method is fdatasync
SHOW VARIABLE
template1=#

Kenji Sugita
sugita(at)sra(dot)co(dot)jp