1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.456 2006/04/07 17:50:03 adunstan Exp $
4 dnl Developers, please strive to achieve this order:
6 dnl 0. Initialization and options processing
12 dnl 6. Compiler characteristics
13 dnl 7. Functions, global variables
14 dnl 8. System services
16 dnl Read the Autoconf manual for details.
18 m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
20 AC_INIT([PostgreSQL], [8.2devel], [pgsql-bugs@postgresql.org])
23 AC_COPYRIGHT([Copyright (c) 1996-2006, PostgreSQL Global Development Group])
24 AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
25 AC_CONFIG_AUX_DIR(config)
26 AC_PREFIX_DEFAULT(/usr/local/pgsql)
27 AC_SUBST(configure_args, [$ac_configure_args])
29 AC_DEFINE_UNQUOTED(PG_VERSION, "$PACKAGE_VERSION", [PostgreSQL version as a string])
34 AC_MSG_CHECKING([which template to use])
36 PGAC_ARG_REQ(with, template, [],
39 list) echo; ls "$srcdir/src/template"; exit;;
40 *) if test -f "$srcdir/src/template/$with_template" ; then
43 AC_MSG_ERROR(['$withval' is not a valid template name. Use 'list' for a list.])
48 # --with-template not given
52 bsdi*) template=bsdi ;;
53 cygwin*) template=cygwin ;;
54 darwin*) template=darwin ;;
55 dgux*) template=dgux ;;
56 freebsd*) template=freebsd ;;
57 hpux*) template=hpux ;;
58 irix*) template=irix ;;
59 linux*|gnu*|k*bsd*-gnu)
61 mingw*) template=win32 ;;
62 netbsd*) template=netbsd ;;
63 nextstep*) template=nextstep ;;
64 openbsd*) template=openbsd ;;
67 solaris*) template=solaris ;;
68 sunos*) template=sunos4 ;;
71 univel) template=univel ;;
73 sysv4*) template=svr4 ;;
74 sysv5*) template=unixware ;;
75 ultrix*) template=ultrix4 ;;
78 if test x"$template" = x"" ; then
80 *******************************************************************
81 PostgreSQL has apparently not been ported to your platform yet.
82 To try a manual configuration, look into the src/template directory
83 for a similar platform and use the '--with-template=' option.
85 Please also contact <pgsql-ports@postgresql.org> to see about
86 rectifying this. Include the above 'checking host system type...'
88 *******************************************************************
94 AC_MSG_RESULT([$template])
99 # Initialize default assumption that we do not need separate assembly code
100 # for TAS (test-and-set). This can be overridden by the template file
101 # when it's executed.
108 ## Command line options
112 # Installation directory for documentation
114 PGAC_ARG(with, docdir, [ --with-docdir=DIR install the documentation in DIR [[PREFIX/doc]]
115 --without-docdir do not install the documentation],
116 [AC_MSG_ERROR([option --with-docdir requires an argument])],
119 [docdir='${prefix}/doc'])
124 # Add non-standard directories to the include path
126 PGAC_ARG_REQ(with, includes, [ --with-includes=DIRS look for additional header files in DIRS])
130 # Add non-standard directories to the library search path
132 PGAC_ARG_REQ(with, libraries, [ --with-libraries=DIRS look for additional libraries in DIRS],
133 [LIBRARY_DIRS=$withval])
135 PGAC_ARG_REQ(with, libs, [ --with-libs=DIRS alternative spelling of --with-libraries],
136 [LIBRARY_DIRS=$withval])
140 # 64-bit integer date/time storage (--enable-integer-datetimes)
142 AC_MSG_CHECKING([whether to build with 64-bit integer date/time support])
143 PGAC_ARG_BOOL(enable, integer-datetimes, no, [ --enable-integer-datetimes enable 64-bit integer date/time support],
144 [AC_DEFINE([USE_INTEGER_DATETIMES], 1,
145 [Define to 1 if you want 64-bit integer timestamp and interval support. (--enable-integer-datetimes)])])
146 AC_MSG_RESULT([$enable_integer_datetimes])
152 AC_MSG_CHECKING([whether NLS is wanted])
153 PGAC_ARG_OPTARG(enable, nls,
154 [[ --enable-nls[=LANGUAGES] enable Native Language Support]],
156 [WANTED_LANGUAGES=$enableval],
157 [AC_DEFINE(ENABLE_NLS, 1,
158 [Define to 1 if you want National Language Support. (--enable-nls)])])
159 AC_MSG_RESULT([$enable_nls])
161 AC_SUBST(WANTED_LANGUAGES)
164 # Default port number (--with-pgport), default 5432
166 AC_MSG_CHECKING([for default port number])
167 PGAC_ARG_REQ(with, pgport, [ --with-pgport=PORTNUM change default port number [[5432]]],
168 [default_port=$withval],
170 AC_MSG_RESULT([$default_port])
171 # Need both of these because some places want an integer and some a string
172 AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
173 [Define to the default TCP port number on which the server listens and
174 to which clients will try to connect. This can be overridden at run-time,
175 but it's convenient if your clients have the right default compiled in.
176 (--with-pgport=PORTNUM)])
177 AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
178 [Define to the default TCP port number as a string constant.])
179 AC_SUBST(default_port)
182 # Option to disable shared libraries
184 PGAC_ARG_BOOL(enable, shared, yes,
185 [ --disable-shared do not build shared libraries])
186 AC_SUBST(enable_shared)
189 # '-rpath'-like feature can be disabled
191 PGAC_ARG_BOOL(enable, rpath, yes,
192 [ --disable-rpath do not embed shared library search path in executables])
193 AC_SUBST(enable_rpath)
198 PGAC_ARG_BOOL(enable, spinlocks, yes,
199 [ --disable-spinlocks do not use spinlocks])
202 # --enable-debug adds -g to compiler flags
204 PGAC_ARG_BOOL(enable, debug, no,
205 [ --enable-debug build with debugging symbols (-g)])
206 AC_SUBST(enable_debug)
212 # For historical reasons you can also use --with-CC to specify the C compiler
213 # to use, although the standard way to do this is to set the CC environment
215 PGAC_ARG_REQ(with, CC, [], [CC=$with_CC])
218 aix) pgac_cc_list="gcc xlc";;
219 irix) pgac_cc_list="cc";; # no gcc
220 *) pgac_cc_list="gcc cc";;
223 AC_PROG_CC([$pgac_cc_list])
230 . "$srcdir/src/template/$template" || exit
232 # CFLAGS are selected so:
233 # If the user specifies something in the environment, that is used.
234 # else: If the template file set something, that is used.
235 # else: If the compiler is GCC, then we use -O2.
236 # else: If the compiler is something else, then we use -0.
238 if test "$ac_env_CFLAGS_set" = set; then
239 CFLAGS=$ac_env_CFLAGS_value
240 elif test "${CFLAGS+set}" = set; then
241 : # (keep what template set)
242 elif test "$GCC" = yes; then
245 # if the user selected debug mode, don't use -O
246 if test "$enable_debug" != yes; then
251 if test "$GCC" = yes; then
252 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wpointer-arith -Winline"
254 # Some versions of GCC support some additional useful warning flags.
255 # Check whether they are supported, and add them to CFLAGS if so.
256 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
257 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
259 # Disable strict-aliasing rules; needed for gcc 3.3+
260 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
263 # supply -g if --enable-debug
264 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
268 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
270 # We already have this in Makefile.win32, but configure needs it too
271 if test "$PORTNAME" = "win32"; then
272 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
275 # Check if the compiler still works with the template settings
276 AC_MSG_CHECKING([whether the C compiler still works])
277 AC_TRY_LINK([], [return 0;],
278 [AC_MSG_RESULT(yes)],
280 AC_MSG_ERROR([cannot proceed])])
282 # Defend against gcc -ffast-math
283 if test "$GCC" = yes; then
284 AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
286 @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
292 # Create compiler version string
293 if test x"$GCC" = x"yes" ; then
294 cc_string="GCC `${CC} --version | sed q`"
298 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
299 ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
300 [A string containing the version number, platform, and C compiler])
304 # Set up TAS assembly code if needed; the template file has now had its
305 # chance to request this.
307 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
309 if test "$need_tas" = yes ; then
318 # Automatic dependency tracking
320 PGAC_ARG_BOOL(enable, depend, no, [ --enable-depend turn on automatic dependency tracking],
326 # Enable assert checks
328 PGAC_ARG_BOOL(enable, cassert, no, [ --enable-cassert enable assertion checks (for debugging)],
329 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
330 [Define to 1 to build with assertion checks. (--enable-cassert)])])
334 # Include directories
337 IFS="${IFS}${PATH_SEPARATOR}"
338 # SRCH_INC comes from the template file
339 for dir in $with_includes $SRCH_INC; do
340 if test -d "$dir"; then
341 INCLUDES="$INCLUDES -I$dir"
343 AC_MSG_WARN([*** Include directory $dir does not exist.])
351 # Library directories
354 IFS="${IFS}${PATH_SEPARATOR}"
355 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
356 for dir in $LIBRARY_DIRS $SRCH_LIB; do
357 if test -d "$dir"; then
358 LIBDIRS="$LIBDIRS -L$dir"
360 AC_MSG_WARN([*** Library directory $dir does not exist.])
366 # Enable thread-safe client libraries
368 AC_MSG_CHECKING([allow thread-safe client libraries])
369 PGAC_ARG_BOOL(enable, thread-safety, no, [ --enable-thread-safety make client libraries thread-safe])
370 PGAC_ARG_BOOL(enable, thread-safety-force, no, [ --enable-thread-safety-force force thread-safety in spite of thread test failure])
371 if test "$enable_thread_safety" = yes -o \
372 "$enable_thread_safety_force" = yes; then
373 enable_thread_safety="yes" # for 'force'
374 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
375 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
377 AC_MSG_RESULT([$enable_thread_safety])
378 AC_SUBST(enable_thread_safety)
381 # Optionally build Tcl modules (PL/Tcl)
383 AC_MSG_CHECKING([whether to build with Tcl])
384 PGAC_ARG_BOOL(with, tcl, no, [ --with-tcl build Tcl modules (PL/Tcl)])
385 AC_MSG_RESULT([$with_tcl])
388 # We see if the path to the Tcl/Tk configuration scripts is specified.
389 # This will override the use of tclsh to find the paths to search.
391 PGAC_ARG_REQ(with, tclconfig, [ --with-tclconfig=DIR tclConfig.sh is in DIR])
394 # Optionally build Perl modules (PL/Perl)
396 AC_MSG_CHECKING([whether to build Perl modules])
397 PGAC_ARG_BOOL(with, perl, no, [ --with-perl build Perl modules (PL/Perl)])
398 AC_MSG_RESULT([$with_perl])
402 # Optionally build Python modules (PL/Python)
404 AC_MSG_CHECKING([whether to build Python modules])
405 PGAC_ARG_BOOL(with, python, no, [ --with-python build Python modules (PL/Python)])
406 AC_MSG_RESULT([$with_python])
407 AC_SUBST(with_python)
412 AC_MSG_CHECKING([whether to build with Kerberos 5 support])
413 PGAC_ARG_BOOL(with, krb5, no, [ --with-krb5 build with Kerberos 5 support],
415 AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
416 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
418 AC_MSG_RESULT([$with_krb5])
426 # Kerberos configuration parameters
428 PGAC_ARG_REQ(with, krb-srvnam,
429 [ --with-krb-srvnam=NAME name of the default service principal in Kerberos [[postgres]]],
431 [with_krb_srvnam="postgres"])
432 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
433 [Define to the name of the default PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
439 AC_MSG_CHECKING([whether to build with PAM support])
440 PGAC_ARG_BOOL(with, pam, no,
441 [ --with-pam build with PAM support],
442 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
443 AC_MSG_RESULT([$with_pam])
450 AC_MSG_CHECKING([whether to build with LDAP support])
451 PGAC_ARG_BOOL(with, ldap, no,
452 [ --with-ldap build with LDAP support],
453 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
454 AC_MSG_RESULT([$with_ldap])
461 AC_MSG_CHECKING([whether to build with Bonjour support])
462 PGAC_ARG_BOOL(with, bonjour, no,
463 [ --with-bonjour build with Bonjour support],
464 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
465 AC_MSG_RESULT([$with_bonjour])
466 AC_SUBST(with_bonjour)
472 AC_MSG_CHECKING([whether to build with OpenSSL support])
473 PGAC_ARG_BOOL(with, openssl, no, [ --with-openssl build with OpenSSL support],
474 [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
475 AC_MSG_RESULT([$with_openssl])
476 AC_SUBST(with_openssl)
482 PGAC_ARG_BOOL(with, libedit-preferred, no,
483 [ --with-libedit-preferred prefer BSD Libedit over GNU Readline])
489 PGAC_ARG_BOOL(with, readline, yes,
490 [ --without-readline do not use GNU Readline / BSD Libedit line editing])
491 # readline on MinGW has problems with backslashes in psql and other bugs.
492 # This is particularly a problem with non-US code pages.
493 # Therefore disable its use until we understand the cause. 2004-07-20
494 if test "$PORTNAME" = "win32"; then
495 if test "$with_readline" = yes; then
496 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
505 PGAC_ARG_BOOL(with, zlib, yes,
506 [ --without-zlib do not use Zlib])
513 # Assume system is ELF if it predefines __ELF__ as 1,
514 # otherwise believe host_os based default.
516 freebsd1*|freebsd2*) elf=no;;
517 freebsd3*|freebsd4*) elf=yes;;
526 [if test "X$elf" = "Xyes" ; then
537 CPPFLAGS="$CPPFLAGS $INCLUDES"
538 LDFLAGS="$LDFLAGS $LIBDIRS"
540 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
541 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
543 AC_ARG_VAR(LDFLAGS_SL)
550 AC_SUBST(with_gnu_ld)
551 case $host_os in sysv5*)
552 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
554 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
555 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
556 LDFLAGS=$pgac_save_LDFLAGS
558 ld_R_works=$pgac_cv_prog_ld_R
562 AC_CHECK_PROGS(LORDER, lorder)
563 AC_PATH_PROG(TAR, tar)
566 AC_CHECK_PROGS(YACC, ['bison -y'])
568 if test "$YACC"; then
569 if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
571 *** If you are going to modify the grammar files or build from CVS, the installed
572 *** version of Bison is too old. Bison version 1.875 or later is required.])
576 if test -z "$YACC"; then
578 *** Without Bison you will not be able to build PostgreSQL from CVS or
579 *** change any of the parser definition files. You can obtain Bison from
580 *** a GNU mirror site. (If you are using the official distribution of
581 *** PostgreSQL then you do not need to worry about this because the Bison
582 *** output is pre-generated.) To use a different yacc program (possible,
583 *** but not recommended), set the environment variable YACC before running
589 if test "$with_perl" = yes; then
590 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
591 PGAC_CHECK_PERL_EMBED_LDFLAGS
594 if test "$with_python" = yes; then
596 PGAC_CHECK_PYTHON_EMBED_SETUP
599 # Supply a numeric version string for use by 3rd party add-ons
600 # awk -F is a regex on some platforms, and not on others, so make "." a tab
601 PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
603 $AWK '{printf \"%d%02d%02d\", $1, $2, (NF >= 3) ? $3 : 0}'`"
604 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
610 AC_SEARCH_LIBS(setproctitle, util)
611 AC_SEARCH_LIBS(pow, m)
612 AC_SEARCH_LIBS(dlopen, dl)
613 AC_SEARCH_LIBS(socket, [socket wsock32])
614 AC_SEARCH_LIBS(shl_load, dld)
615 # We only use libld in port/dynloader/aix.c
618 AC_SEARCH_LIBS(ldopen, ld)
621 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
622 AC_SEARCH_LIBS(crypt, crypt)
624 AC_SEARCH_LIBS(fdatasync, [rt posix4])
626 AC_SEARCH_LIBS(shmget, cygipc)
628 if test "$with_readline" = yes; then
630 if test x"$pgac_cv_check_readline" = x"no"; then
631 AC_MSG_ERROR([readline library not found
632 If you have readline already installed, see config.log for details on the
633 failure. It is possible the compiler isn't looking in the proper directory.
634 Use --without-readline to disable readline support.])
638 if test "$with_zlib" = yes; then
639 AC_CHECK_LIB(z, inflate, [],
640 [AC_MSG_ERROR([zlib library not found
641 If you have zlib already installed, see config.log for details on the
642 failure. It is possible the compiler isn't looking in the proper directory.
643 Use --without-zlib to disable zlib support.])])
646 if test "$enable_spinlocks" = yes; then
647 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
650 *** Not using spinlocks will cause poor performance.])
653 if test "$with_krb5" = yes ; then
654 if test "$PORTNAME" != "win32"; then
655 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -ldes -lasn1 -lroken' com_err], [],
656 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
657 AC_SEARCH_LIBS(krb5_encrypt, [krb5 'krb5 -ldes -lasn1 -lroken' crypto k5crypto], [],
658 [AC_MSG_ERROR([could not find function 'krb5_encrypt' required for Kerberos 5])])
659 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -ldes -lasn1 -lroken'], [],
660 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
662 AC_SEARCH_LIBS(com_err, 'comerr32 -lkrb5_32', [],
663 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
667 if test "$with_openssl" = yes ; then
669 if test "$PORTNAME" != "win32"; then
670 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
671 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
673 AC_CHECK_LIB(eay32, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'eay32' is required for OpenSSL])])
674 AC_CHECK_LIB(ssleay32, SSL_library_init, [], [AC_MSG_ERROR([library 'ssleay32' is required for OpenSSL])])
678 if test "$with_pam" = yes ; then
679 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
683 if test "$with_ldap" = yes ; then
684 if test "$PORTNAME" != "win32"; then
685 AC_CHECK_LIB(ldap, ldap_bind, [], [AC_MSG_ERROR([library 'ldap' is required for LDAP])])
687 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
695 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
696 AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h langinfo.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/time.h sys/un.h termios.h utime.h wchar.h wctype.h kernel/OS.h kernel/image.h SupportDefs.h])
698 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
699 # netinet/in.h is included first.
700 AC_CHECK_HEADERS(netinet/in.h)
701 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
703 #ifdef HAVE_NETINET_IN_H
704 #include <netinet/in.h>
708 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
709 AC_CHECK_HEADERS(readline/readline.h, [],
710 [AC_CHECK_HEADERS(readline.h, [],
711 [AC_MSG_ERROR([readline header not found
712 If you have readline already installed, see config.log for details on the
713 failure. It is possible the compiler isn't looking in the proper directory.
714 Use --without-readline to disable readline support.])])])
715 AC_CHECK_HEADERS(readline/history.h, [],
716 [AC_CHECK_HEADERS(history.h, [],
717 [AC_MSG_ERROR([history header not found
718 If you have readline already installed, see config.log for details on the
719 failure. It is possible the compiler isn't looking in the proper directory.
720 Use --without-readline to disable readline support.])])])
723 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
724 # Some installations of libedit usurp /usr/include/readline/, which seems
725 # bad practice, since in combined installations readline will have its headers
726 # there. We might have to resort to AC_EGREP checks to make sure we found
727 # the proper header...
728 AC_CHECK_HEADERS(editline/readline.h, [],
729 [AC_CHECK_HEADERS(readline.h, [],
730 [AC_CHECK_HEADERS(readline/readline.h, [],
731 [AC_MSG_ERROR([readline header not found
732 If you have libedit already installed, see config.log for details on the
733 failure. It is possible the compiler isn't looking in the proper directory.
734 Use --without-readline to disable libedit support.])])])])
735 AC_CHECK_HEADERS(editline/history.h, [],
736 [AC_CHECK_HEADERS(history.h, [],
737 [AC_CHECK_HEADERS(readline/history.h, [],
738 [AC_MSG_ERROR([history header not found
739 If you have libedit already installed, see config.log for details on the
740 failure. It is possible the compiler isn't looking in the proper directory.
741 Use --without-readline to disable libedit support.])])])])
744 if test "$with_zlib" = yes; then
745 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
746 If you have zlib already installed, see config.log for details on the
747 failure. It is possible the compiler isn't looking in the proper directory.
748 Use --without-zlib to disable zlib support.])])
751 if test "$with_krb5" = yes ; then
752 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
755 if test "$with_openssl" = yes ; then
756 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
757 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
760 if test "$with_pam" = yes ; then
761 AC_CHECK_HEADERS(security/pam_appl.h, [],
762 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
763 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
766 if test "$with_ldap" = yes ; then
767 if test "$PORTNAME" != "win32"; then
768 AC_CHECK_HEADERS(ldap.h, [],
769 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
771 AC_CHECK_HEADERS(winldap.h, [],
772 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
779 if test "$with_bonjour" = yes ; then
780 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Bonjour])])
785 ## Types, structures, compiler characteristics
788 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
794 PGAC_C_FUNCNAME_SUPPORT
797 PGAC_STRUCT_SOCKADDR_UN
798 PGAC_STRUCT_SOCKADDR_STORAGE
799 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
802 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
803 [#include <sys/param.h>
804 #include <sys/types.h>
805 #include <sys/socket.h>
806 #include <sys/ucred.h>])
808 AC_CHECK_TYPES([struct option], [], [],
809 [#ifdef HAVE_GETOPT_H
813 if test "$with_zlib" = yes; then
814 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
815 # did not). While we could work around the lack of z_streamp, it
816 # seems unwise to encourage people to use such old zlib versions...
817 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
818 Use --without-zlib to disable zlib support.])],
822 if test "$with_krb5" = yes; then
823 # Check for differences between MIT and Heimdal (KTH) releases
824 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
825 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
826 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
827 [#include <krb5.h>])],
829 AC_CHECK_MEMBERS(krb5_error.text.data, [],
830 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
831 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
832 [#include <krb5.h>])],
836 # This is probably only present on Darwin, but may as well check always
837 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
840 ## Functions, global variables
843 PGAC_VAR_INT_TIMEZONE
844 AC_FUNC_ACCEPT_ARGTYPES
845 PGAC_FUNC_GETTIMEOFDAY_1ARG
847 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
849 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
852 AC_CHECK_TYPE([struct sockaddr_in6],
853 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
856 [$ac_includes_default
857 #include <netinet/in.h>])
860 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
862 [#include <machine/vmparam.h>
863 #include <sys/exec.h>
865 [PS_STRINGS->ps_nargvstr = 1;
866 PS_STRINGS->ps_argvstr = "foo";],
867 [pgac_cv_var_PS_STRINGS=yes],
868 [pgac_cv_var_PS_STRINGS=no])])
869 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
870 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
874 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
875 # is missing. Yes, there are machines that have only one. We may
876 # also decide to use snprintf.c if snprintf() is present but does not
877 # have all the features we need --- see below.
879 if test "$PORTNAME" = "win32"; then
880 # Win32 gets snprintf.c built unconditionally.
882 # To properly translate all NLS languages strings, we must support the
883 # *printf() %$ format, which allows *printf() arguments to be selected
884 # by position in the translated string.
886 # libintl versions < 0.13 use the native *printf() functions, and Win32
887 # *printf() doesn't understand %$, so we must use our /port versions,
888 # which do understand %$. libintl versions >= 0.13 include their own
889 # *printf versions on Win32. The libintl 0.13 release note text is:
891 # C format strings with positions, as they arise when a translator
892 # needs to reorder a sentence, are now supported on all platforms.
893 # On those few platforms (NetBSD and Woe32) for which the native
894 # printf()/fprintf()/... functions don't support such format
895 # strings, replacements are provided through <libintl.h>.
897 # We could use libintl >= 0.13's *printf() if we were sure that we had
898 # a litint >= 0.13 at runtime, but seeing that there is no clean way
899 # to guarantee that, it is best to just use our own, so we are sure to
900 # get %$ support. In include/port.h we disable the *printf() macros
901 # that might have been defined by libintl.
903 # We do this unconditionally whether NLS is used or not so we are sure
904 # that all Win32 libraries and binaries behave the same.
905 pgac_need_repl_snprintf=yes
907 pgac_need_repl_snprintf=no
908 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
909 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
913 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
914 # include/c.h will provide declarations. Note this is a separate test
915 # from whether the functions exist in the C library --- there are
916 # systems that have the functions but don't bother to declare them :-(
918 AC_CHECK_DECLS([snprintf, vsnprintf])
921 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
922 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
927 [return isinf(glob_double) ? 0 : 1;],
928 [ac_cv_func_isinf=yes],
929 [ac_cv_func_isinf=no])])
931 if test $ac_cv_func_isinf = yes ; then
932 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
935 # Look for a way to implement a substitute for isinf()
936 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
939 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strdup strerror strtol strtoul unsetenv])
941 # System's version of getaddrinfo(), if any, may be used only if we found
942 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
943 # (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
944 # versions of getaddrinfo don't follow normal C call protocol. This is OK
945 # because we want to use our own getaddrinfo.c on Windows anyway.)
946 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
947 AC_REPLACE_FUNCS([getaddrinfo])
949 AC_LIBOBJ(getaddrinfo)
952 # similarly, use system's getopt_long() only if system provides struct option.
953 if test x"$ac_cv_type_struct_option" = xyes ; then
954 AC_REPLACE_FUNCS([getopt_long])
956 AC_LIBOBJ(getopt_long)
959 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
960 # We override the previous test that said fseeko/ftello didn't exist
961 # OS tests are also done in include/c.h and port/fseeko.c
962 case $host_os in bsdi*|netbsd*)
963 ac_cv_func_fseeko=yes
966 # Solaris has a very slow qsort in certain cases, so we replace it:
967 # http://forum.sun.com/thread.jspa?forumID=4&threadID=7231
968 # Supposedly it is fixed in Solaris, but not sure which version, and
969 # no confirmed testing. 2005-12-16
970 if test "$PORTNAME" = "solaris"; then
975 if test "$PORTNAME" = "win32"; then
976 AC_LIBOBJ(gettimeofday)
980 AC_DEFINE([HAVE_SYMLINK], 1,
981 [Define to 1 if you have the `symlink' function.])
984 if test "$with_readline" = yes; then
985 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
986 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
987 AC_CHECK_FUNCS([replace_history_entry])
991 dnl Cannot use AC_CHECK_FUNC because finite may be a macro
992 AC_MSG_CHECKING(for finite)
997 [return finite(glob_double) ? 0 : 1;],
998 [AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
1000 [AC_MSG_RESULT(no)])
1002 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
1003 dnl (especially on GNU libc)
1004 dnl See also comments in c.h.
1005 AC_MSG_CHECKING(for sigsetjmp)
1006 AC_TRY_LINK([#include <setjmp.h>],
1007 [sigjmp_buf x; sigsetjmp(x, 1);],
1008 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1009 AC_MSG_RESULT(yes)],
1010 [AC_MSG_RESULT(no)])
1012 AC_CHECK_FUNC(syslog,
1013 [AC_CHECK_HEADER(syslog.h,
1014 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1016 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1017 [AC_TRY_LINK([#include <unistd.h>],
1018 [extern int optreset; optreset = 1;],
1019 [pgac_cv_var_int_optreset=yes],
1020 [pgac_cv_var_int_optreset=no])])
1021 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1022 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1025 AC_CHECK_FUNCS([strtoll strtoq], [break])
1026 AC_CHECK_FUNCS([strtoull strtouq], [break])
1028 # Check for one of atexit() or on_exit()
1029 AC_CHECK_FUNCS(atexit, [],
1030 [AC_CHECK_FUNCS(on_exit, [],
1031 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1038 # For each platform, we need to know about any special compile and link
1039 # libraries, and whether the normal C function names are thread-safe.
1040 # See the comment at the top of src/port/thread.c for more information.
1042 if test "$enable_thread_safety" = yes; then
1043 ACX_PTHREAD # set thread flags
1045 # Some platforms use these, so just defineed them. They can't hurt if they
1046 # are not supported.
1047 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
1050 # At this point, we don't want to muck with the compiler name for threading.
1051 # Let's see who fails, perhaps AIX. 2004-04-23
1052 if test "$PTHREAD_CC" != "$CC"; then
1054 PostgreSQL does not support platforms that require a special
1055 compiler binary for thread-safety.
1059 if test "$THREAD_SUPPORT" = no; then
1061 Cannot enable threads on your platform.
1062 Your platform is known to not support thread-safe programs.
1063 For details, compile and run src/bin/pg_thread_test.
1067 # Check for *_r functions
1070 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1071 LIBS="$LIBS $PTHREAD_LIBS"
1073 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1075 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1077 # Do test here with the proper thread flags
1078 PGAC_FUNC_GETPWUID_R_5ARG
1079 PGAC_FUNC_STRERROR_R_INT
1085 # do not use values from template file
1090 AC_SUBST(PTHREAD_CFLAGS)
1091 AC_SUBST(PTHREAD_LIBS)
1094 # This test makes sure that run tests work at all. Sometimes a shared
1095 # library is found by the linker, but the runtime linker can't find it.
1096 # This check should come after all modifications of compiler or linker
1097 # variables, and before any other run tests.
1098 AC_MSG_CHECKING([test program])
1099 AC_TRY_RUN([int main() { return 0; }],
1100 [AC_MSG_RESULT(ok)],
1101 [AC_MSG_RESULT(failed)
1103 *** Could not execute a simple test program. This may be a problem
1104 *** related to locating shared libraries. Check the file 'config.log'
1105 *** for the exact reason.]])],
1106 [AC_MSG_RESULT([cross-compiling])])
1108 # --------------------
1109 # Run tests below here
1110 # --------------------
1112 # Force use of our snprintf if system's doesn't do arg control
1113 # See comment above at snprintf test for details.
1114 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1115 PGAC_FUNC_PRINTF_ARG_CONTROL
1116 if test $pgac_cv_printf_arg_control != yes ; then
1117 pgac_need_repl_snprintf=yes
1122 dnl Check to see if we have a working 64-bit integer type.
1123 dnl This breaks down into two steps:
1124 dnl (1) figure out if the compiler has a 64-bit int type with working
1125 dnl arithmetic, and if so
1126 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1127 dnl snprintf is the only library routine we really need for int8 support.)
1128 dnl It's entirely possible to have a compiler that handles a 64-bit type
1129 dnl when the C library doesn't; this is fairly likely when using gcc on
1130 dnl an older platform, for example.
1131 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1132 dnl we force our own version of snprintf() to be used instead.
1133 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1135 PGAC_TYPE_64BIT_INT([long int])
1137 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1138 PGAC_TYPE_64BIT_INT([long long int])
1142 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1144 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1146 #define INT64CONST(x) x##LL
1147 long long int foo = INT64CONST(0x1234567890123456);
1150 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1155 # If we found "long int" is 64 bits, assume snprintf handles it. If
1156 # we found we need to use "long long int", better check. We cope with
1157 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1158 # work, fall back to our own snprintf emulation (which we know uses %lld).
1160 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1161 if test $pgac_need_repl_snprintf = no; then
1162 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1163 if test "$LONG_LONG_INT_FORMAT" = ""; then
1164 # Force usage of our own snprintf, since system snprintf is broken
1165 pgac_need_repl_snprintf=yes
1166 LONG_LONG_INT_FORMAT='%lld'
1169 # Here if we previously decided we needed to use our own snprintf
1170 LONG_LONG_INT_FORMAT='%lld'
1172 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1173 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1174 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1176 # Here if we are not using 'long long int' at all
1177 INT64_FORMAT='"%ld"'
1178 UINT64_FORMAT='"%lu"'
1181 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1182 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1184 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1185 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1187 # Now we have checked all the reasons to replace snprintf
1188 if test $pgac_need_repl_snprintf = yes; then
1189 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1193 # Need a #define for the size of Datum (unsigned long)
1194 AC_CHECK_SIZEOF([unsigned long])
1196 # And one for the size of size_t (enables tweaks for > 32bit address space)
1197 AC_CHECK_SIZEOF([size_t])
1199 # Determine memory alignment requirements for the basic C data types.
1201 PGAC_CHECK_ALIGNOF(short)
1202 PGAC_CHECK_ALIGNOF(int)
1203 PGAC_CHECK_ALIGNOF(long)
1204 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1205 PGAC_CHECK_ALIGNOF(long long int)
1207 PGAC_CHECK_ALIGNOF(double)
1209 # Compute maximum alignment of any basic type.
1210 # We assume long's alignment is at least as strong as char, short, or int;
1211 # but we must check long long (if it exists) and double.
1213 MAX_ALIGNOF=$pgac_cv_alignof_long
1214 if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
1215 MAX_ALIGNOF=$pgac_cv_alignof_double
1217 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
1218 MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1220 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1223 # Some platforms predefine the types int8, int16, etc. Only check
1224 # a (hopefully) representative subset.
1225 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1227 #ifdef HAVE_SUPPORTDEFS_H
1228 #include <SupportDefs.h>
1231 # We also check for sig_atomic_t, which *should* be defined per ANSI
1232 # C, but is missing on some old platforms.
1233 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1236 if test x"$template" != x"win32"
1238 PGAC_FUNC_POSIX_SIGNALS
1239 if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
1241 *** Thread-safety requires POSIX signals, which are not supported by your
1242 *** operating system.
1247 if test $ac_cv_func_fseeko = yes; then
1251 # SunOS doesn't handle negative byte comparisons properly with +/- return
1255 # Select semaphore implementation type.
1256 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1257 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1258 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1260 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1261 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1262 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1264 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1265 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1270 # Select shared-memory implementation type.
1271 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1272 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1275 # If not set in template file, set bytes to use libc memset()
1276 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1277 MEMSET_LOOP_LIMIT=1024
1279 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1282 if test "$enable_nls" = yes ; then
1286 # Check for Tcl configuration script tclConfig.sh
1287 if test "$with_tcl" = yes; then
1288 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1289 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1290 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1291 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1292 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1293 ac_save_CPPFLAGS=$CPPFLAGS
1294 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1295 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1296 CPPFLAGS=$ac_save_CPPFLAGS
1300 # Check for DocBook and tools
1304 PGAC_CHECK_DOCBOOK(4.2)
1305 PGAC_PATH_DOCBOOK_STYLESHEETS
1306 PGAC_PATH_COLLATEINDEX
1307 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1311 # We have to run the thread test near the end so we have all our symbols
1312 # defined. Cross compiling throws a warning.
1314 if test "$enable_thread_safety_force" = yes; then
1315 if test x"$template" != x"win32"
1318 *** Skipping thread test program. --enable-thread-safety-force was used.
1319 *** Run the program in src/test/thread on the your machine and add
1320 proper locking function calls to your applications to guarantee thread
1324 AC_MSG_WARN([*** Skipping thread test on Win32])
1326 elif test "$enable_thread_safety" = yes; then
1327 if test x"$template" != x"win32"
1329 AC_MSG_CHECKING([thread safety of required library functions])
1333 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
1334 LIBS="$LIBS $PTHREAD_LIBS"
1335 AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
1336 [AC_MSG_RESULT(yes)],
1339 *** Thread test program failed. Your platform is not thread-safe.
1340 *** Check the file 'config.log'for the exact reason.
1342 *** You can use the configure option --enable-thread-safety-force
1343 *** to force threads to be enabled. However, you must then run
1344 *** the program in src/test/thread and add locking function calls
1345 *** to your applications to guarantee thread safety.
1347 [AC_MSG_RESULT(maybe)
1349 *** Skipping thread test program because of cross-compile build.
1350 *** Run the program in src/test/thread on the target machine.
1355 AC_MSG_WARN([*** Skipping thread test on Win32])
1359 # prepare build tree if outside source tree
1360 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1361 # Note 2: /bin/pwd might be better than shell's built-in at getting
1362 # a symlink-free name.
1363 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1367 if test "$no_create" != yes; then
1368 _AS_ECHO_N([preparing build tree... ])
1369 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1370 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1371 || AC_MSG_ERROR(failed)
1375 AC_SUBST(vpath_build)
1378 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1381 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1382 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1383 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1384 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1385 src/include/pg_config_os.h:src/include/port/${template}.h
1386 src/Makefile.port:src/makefiles/Makefile.${template}
1389 if test "$PORTNAME" = "win32"; then
1390 AC_CONFIG_COMMANDS([check_win32_symlinks],[
1391 # Links sometimes fail undetected on Mingw -
1392 # so here we detect it and warn the user
1393 for FILE in $CONFIG_LINKS
1395 # test -e works for symlinks in the MinGW console
1396 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE - please fix by hand])
1401 AC_CONFIG_HEADERS([src/include/pg_config.h],
1403 # Update timestamp for pg_config.h (see Makefile.global)
1404 echo >src/include/stamp-h