1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.507 2007/03/29 15:30:51 mha 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], [8.3devel], [pgsql-bugs@postgresql.org])
23 AC_COPYRIGHT([Copyright (c) 1996-2007, 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)
209 # --enable-profiling enables gcc profiling
211 PGAC_ARG_BOOL(enable, profiling, no,
212 [ --enable-profiling build with profiling enabled ])
213 AC_SUBST(enable_profiling)
218 PGAC_ARG_BOOL(enable, dtrace, no,
219 [ --enable-dtrace build with DTrace support],
220 [AC_DEFINE([ENABLE_DTRACE], 1,
221 [Define to 1 to enable DTrace support. (--enable-dtrace)])
222 AC_CHECK_PROGS(DTRACE, dtrace)
223 if test -z "$DTRACE"; then
224 AC_MSG_ERROR([dtrace not found])
226 AC_SUBST(DTRACEFLAGS)])
227 AC_SUBST(enable_dtrace)
233 # For historical reasons you can also use --with-CC to specify the C compiler
234 # to use, although the standard way to do this is to set the CC environment
236 PGAC_ARG_REQ(with, CC, [], [CC=$with_CC])
239 aix) pgac_cc_list="gcc xlc";;
240 irix) pgac_cc_list="cc";; # no gcc
241 *) pgac_cc_list="gcc cc";;
244 AC_PROG_CC([$pgac_cc_list])
251 . "$srcdir/src/template/$template" || exit
253 # CFLAGS are selected so:
254 # If the user specifies something in the environment, that is used.
255 # else: If the template file set something, that is used.
256 # else: If the compiler is GCC, then we use -O2.
257 # else: If the compiler is something else, then we use -0.
259 if test "$ac_env_CFLAGS_set" = set; then
260 CFLAGS=$ac_env_CFLAGS_value
261 elif test "${CFLAGS+set}" = set; then
262 : # (keep what template set)
263 elif test "$GCC" = yes; then
266 # if the user selected debug mode, don't use -O
267 if test "$enable_debug" != yes; then
272 # Some versions of GCC support some additional useful warning flags.
273 # Check whether they are supported, and add them to CFLAGS if so.
275 if test "$GCC" = yes; then
277 # ICC pretends to be GCC but it's lying; it doesn't support these options.
278 # So we have to check if "GCC" is really ICC.
279 AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
281 @%:@endif], [ICC=[yes]], [ICC=[no]])
283 if test "$ICC" = no; then
284 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wpointer-arith -Winline"
286 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
287 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
289 # Intel compiler has a bug/misoptimization in checking for
290 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the
292 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
295 # Disable strict-aliasing rules; needed for gcc 3.3+
296 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
297 elif test x"${CC}" = x"xlc"; then
298 # AIX xlc has to have strict aliasing turned off too
299 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
302 # supply -g if --enable-debug
303 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
307 # enable profiling if --enable-profiling
308 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
309 if test "$GCC" = yes; then
310 AC_DEFINE([PROFILE_PID_DIR], 1,
311 [Define to 1 to enable profiling. (--enable-profiling)])
314 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
318 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
320 # We already have this in Makefile.win32, but configure needs it too
321 if test "$PORTNAME" = "win32"; then
322 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
325 # Check if the compiler still works with the template settings
326 AC_MSG_CHECKING([whether the C compiler still works])
327 AC_TRY_LINK([], [return 0;],
328 [AC_MSG_RESULT(yes)],
330 AC_MSG_ERROR([cannot proceed])])
332 # Defend against gcc -ffast-math
333 if test "$GCC" = yes; then
334 AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
336 @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
342 # Create compiler version string
343 if test x"$GCC" = x"yes" ; then
344 cc_string="GCC `${CC} --version | sed q`"
348 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
349 ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
350 [A string containing the version number, platform, and C compiler])
354 # Set up TAS assembly code if needed; the template file has now had its
355 # chance to request this.
357 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
359 if test "$need_tas" = yes ; then
368 # Automatic dependency tracking
370 PGAC_ARG_BOOL(enable, depend, no, [ --enable-depend turn on automatic dependency tracking],
376 # Enable assert checks
378 PGAC_ARG_BOOL(enable, cassert, no, [ --enable-cassert enable assertion checks (for debugging)],
379 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
380 [Define to 1 to build with assertion checks. (--enable-cassert)])])
384 # Include directories
387 IFS="${IFS}${PATH_SEPARATOR}"
388 # SRCH_INC comes from the template file
389 for dir in $with_includes $SRCH_INC; do
390 if test -d "$dir"; then
391 INCLUDES="$INCLUDES -I$dir"
393 AC_MSG_WARN([*** Include directory $dir does not exist.])
401 # Library directories
404 IFS="${IFS}${PATH_SEPARATOR}"
405 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
406 for dir in $LIBRARY_DIRS $SRCH_LIB; do
407 if test -d "$dir"; then
408 LIBDIRS="$LIBDIRS -L$dir"
410 AC_MSG_WARN([*** Library directory $dir does not exist.])
416 # Enable thread-safe client libraries
418 AC_MSG_CHECKING([allow thread-safe client libraries])
419 if test "$PORTNAME" != "win32"; then
420 PGAC_ARG_BOOL(enable, thread-safety, no, [ --enable-thread-safety make client libraries thread-safe])
422 # Win32 should always use threads
423 PGAC_ARG_BOOL(enable, thread-safety, yes, [ --enable-thread-safety make client libraries thread-safe])
426 PGAC_ARG_BOOL(enable, thread-safety-force, no, [ --enable-thread-safety-force force thread-safety in spite of thread test failure])
427 if test "$enable_thread_safety" = yes -o \
428 "$enable_thread_safety_force" = yes; then
429 enable_thread_safety="yes" # for 'force'
430 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
431 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
433 AC_MSG_RESULT([$enable_thread_safety])
434 AC_SUBST(enable_thread_safety)
437 # Optionally build Tcl modules (PL/Tcl)
439 AC_MSG_CHECKING([whether to build with Tcl])
440 PGAC_ARG_BOOL(with, tcl, no, [ --with-tcl build Tcl modules (PL/Tcl)])
441 AC_MSG_RESULT([$with_tcl])
444 # We see if the path to the Tcl/Tk configuration scripts is specified.
445 # This will override the use of tclsh to find the paths to search.
447 PGAC_ARG_REQ(with, tclconfig, [ --with-tclconfig=DIR tclConfig.sh is in DIR])
450 # Optionally build Perl modules (PL/Perl)
452 AC_MSG_CHECKING([whether to build Perl modules])
453 PGAC_ARG_BOOL(with, perl, no, [ --with-perl build Perl modules (PL/Perl)])
454 AC_MSG_RESULT([$with_perl])
458 # Optionally build Python modules (PL/Python)
460 AC_MSG_CHECKING([whether to build Python modules])
461 PGAC_ARG_BOOL(with, python, no, [ --with-python build Python modules (PL/Python)])
462 AC_MSG_RESULT([$with_python])
463 AC_SUBST(with_python)
468 AC_MSG_CHECKING([whether to build with Kerberos 5 support])
469 PGAC_ARG_BOOL(with, krb5, no, [ --with-krb5 build with Kerberos 5 support],
471 AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
472 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
474 AC_MSG_RESULT([$with_krb5])
482 # Kerberos configuration parameters
484 PGAC_ARG_REQ(with, krb-srvnam,
485 [ --with-krb-srvnam=NAME name of the default service principal in Kerberos [[postgres]]],
487 [with_krb_srvnam="postgres"])
488 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
489 [Define to the name of the default PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
495 AC_MSG_CHECKING([whether to build with PAM support])
496 PGAC_ARG_BOOL(with, pam, no,
497 [ --with-pam build with PAM support],
498 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
499 AC_MSG_RESULT([$with_pam])
506 AC_MSG_CHECKING([whether to build with LDAP support])
507 PGAC_ARG_BOOL(with, ldap, no,
508 [ --with-ldap build with LDAP support],
509 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
510 AC_MSG_RESULT([$with_ldap])
517 AC_MSG_CHECKING([whether to build with Bonjour support])
518 PGAC_ARG_BOOL(with, bonjour, no,
519 [ --with-bonjour build with Bonjour support],
520 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
521 AC_MSG_RESULT([$with_bonjour])
522 AC_SUBST(with_bonjour)
528 AC_MSG_CHECKING([whether to build with OpenSSL support])
529 PGAC_ARG_BOOL(with, openssl, no, [ --with-openssl build with OpenSSL support],
530 [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
531 AC_MSG_RESULT([$with_openssl])
532 AC_SUBST(with_openssl)
538 PGAC_ARG_BOOL(with, readline, yes,
539 [ --without-readline do not use GNU Readline nor BSD Libedit for editing])
540 # readline on MinGW has problems with backslashes in psql and other bugs.
541 # This is particularly a problem with non-US code pages.
542 # Therefore disable its use until we understand the cause. 2004-07-20
543 if test "$PORTNAME" = "win32"; then
544 if test "$with_readline" = yes; then
545 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
554 PGAC_ARG_BOOL(with, libedit-preferred, no,
555 [ --with-libedit-preferred prefer BSD Libedit over GNU Readline])
561 PGAC_ARG_BOOL(with, libxml, no, [ --with-libxml build with XML support],
562 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
564 if test "$with_libxml" = yes ; then
565 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
566 if test -n "$XML2_CONFIG"; then
567 for pgac_option in `$XML2_CONFIG --cflags`; do
569 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
572 for pgac_option in `$XML2_CONFIG --libs`; do
574 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
584 PGAC_ARG_BOOL(with, zlib, yes,
585 [ --without-zlib do not use Zlib])
592 # Assume system is ELF if it predefines __ELF__ as 1,
593 # otherwise believe host_os based default.
595 freebsd1*|freebsd2*) elf=no;;
596 freebsd3*|freebsd4*) elf=yes;;
605 [if test "X$elf" = "Xyes" ; then
616 CPPFLAGS="$CPPFLAGS $INCLUDES"
617 LDFLAGS="$LDFLAGS $LIBDIRS"
619 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
620 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
622 AC_ARG_VAR(LDFLAGS_SL)
629 AC_SUBST(with_gnu_ld)
630 case $host_os in sysv5*)
631 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
633 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
634 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
635 LDFLAGS=$pgac_save_LDFLAGS
637 ld_R_works=$pgac_cv_prog_ld_R
641 AC_PATH_PROG(TAR, tar)
644 if test -z "$YACC"; then
645 AC_CHECK_PROGS(YACC, ['bison -y'])
647 if test "$YACC"; then
648 if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
650 *** The installed version of Bison is too old to use with PostgreSQL.
651 *** Bison version 1.875 or later is required.])
656 if test -z "$YACC"; then
658 *** Without Bison you will not be able to build PostgreSQL from CVS nor
659 *** change any of the parser definition files. You can obtain Bison from
660 *** a GNU mirror site. (If you are using the official distribution of
661 *** PostgreSQL then you do not need to worry about this, because the Bison
662 *** output is pre-generated.) To use a different yacc program (possible,
663 *** but not recommended), set the environment variable YACC before running
670 if test "$with_perl" = yes; then
671 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
672 PGAC_CHECK_PERL_EMBED_LDFLAGS
675 if test "$with_python" = yes; then
677 PGAC_CHECK_PYTHON_EMBED_SETUP
680 # Supply a numeric version string for use by 3rd party add-ons
681 # awk -F is a regex on some platforms, and not on others, so make "." a tab
682 PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
684 $AWK '{printf \"%d%02d%02d\", $1, $2, (NF >= 3) ? $3 : 0}'`"
685 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
690 ## Most libraries are included only if they demonstrably provide a function
691 ## we need, but libm is an exception: always include it, because there are
692 ## too many compilers that play cute optimization games that will break
693 ## probes for standard functions such as pow().
696 AC_CHECK_LIB(m, main)
697 AC_SEARCH_LIBS(setproctitle, util)
698 AC_SEARCH_LIBS(dlopen, dl)
699 AC_SEARCH_LIBS(socket, [socket wsock32])
700 AC_SEARCH_LIBS(shl_load, dld)
701 # We only use libld in port/dynloader/aix.c
704 AC_SEARCH_LIBS(ldopen, ld)
707 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
708 AC_SEARCH_LIBS(crypt, crypt)
710 AC_SEARCH_LIBS(fdatasync, [rt posix4])
712 AC_SEARCH_LIBS(shmget, cygipc)
714 if test "$with_readline" = yes; then
716 if test x"$pgac_cv_check_readline" = x"no"; then
717 AC_MSG_ERROR([readline library not found
718 If you have readline already installed, see config.log for details on the
719 failure. It is possible the compiler isn't looking in the proper directory.
720 Use --without-readline to disable readline support.])
724 if test "$with_zlib" = yes; then
725 AC_CHECK_LIB(z, inflate, [],
726 [AC_MSG_ERROR([zlib library not found
727 If you have zlib already installed, see config.log for details on the
728 failure. It is possible the compiler isn't looking in the proper directory.
729 Use --without-zlib to disable zlib support.])])
732 if test "$enable_spinlocks" = yes; then
733 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
736 *** Not using spinlocks will cause poor performance.])
739 if test "$with_krb5" = yes ; then
740 if test "$PORTNAME" != "win32"; then
741 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken' com_err], [],
742 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
743 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken'], [],
744 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
746 AC_SEARCH_LIBS(com_err, 'comerr32 -lkrb5_32', [],
747 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
751 if test "$with_openssl" = yes ; then
753 if test "$PORTNAME" != "win32"; then
754 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
755 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
757 AC_CHECK_LIB(eay32, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'eay32' is required for OpenSSL])])
758 AC_CHECK_LIB(ssleay32, SSL_library_init, [], [AC_MSG_ERROR([library 'ssleay32' is required for OpenSSL])])
762 if test "$with_pam" = yes ; then
763 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
766 if test "$with_libxml" = yes ; then
767 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
775 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
776 AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h langinfo.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/time.h sys/un.h termios.h utime.h wchar.h wctype.h kernel/OS.h kernel/image.h SupportDefs.h])
778 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
779 # netinet/in.h is included first.
780 AC_CHECK_HEADERS(netinet/in.h)
781 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
783 #ifdef HAVE_NETINET_IN_H
784 #include <netinet/in.h>
788 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
789 AC_CHECK_HEADERS(readline/readline.h, [],
790 [AC_CHECK_HEADERS(readline.h, [],
791 [AC_MSG_ERROR([readline header not found
792 If you have readline already installed, see config.log for details on the
793 failure. It is possible the compiler isn't looking in the proper directory.
794 Use --without-readline to disable readline support.])])])
795 AC_CHECK_HEADERS(readline/history.h, [],
796 [AC_CHECK_HEADERS(history.h, [],
797 [AC_MSG_ERROR([history header not found
798 If you have readline already installed, see config.log for details on the
799 failure. It is possible the compiler isn't looking in the proper directory.
800 Use --without-readline to disable readline support.])])])
803 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
804 # Some installations of libedit usurp /usr/include/readline/, which seems
805 # bad practice, since in combined installations readline will have its headers
806 # there. We might have to resort to AC_EGREP checks to make sure we found
807 # the proper header...
808 AC_CHECK_HEADERS(editline/readline.h, [],
809 [AC_CHECK_HEADERS(readline.h, [],
810 [AC_CHECK_HEADERS(readline/readline.h, [],
811 [AC_MSG_ERROR([readline header not found
812 If you have libedit already installed, see config.log for details on the
813 failure. It is possible the compiler isn't looking in the proper directory.
814 Use --without-readline to disable libedit support.])])])])
815 # Note: in a libedit installation, history.h is sometimes a dummy, and may
816 # not be there at all. Hence, don't complain if not found. We must check
817 # though, since in yet other versions it is an independent header.
818 AC_CHECK_HEADERS(editline/history.h, [],
819 [AC_CHECK_HEADERS(history.h, [],
820 [AC_CHECK_HEADERS(readline/history.h)])])
823 if test "$with_zlib" = yes; then
824 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
825 If you have zlib already installed, see config.log for details on the
826 failure. It is possible the compiler isn't looking in the proper directory.
827 Use --without-zlib to disable zlib support.])])
830 if test "$with_krb5" = yes ; then
831 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
834 if test "$with_openssl" = yes ; then
835 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
836 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
839 if test "$with_pam" = yes ; then
840 AC_CHECK_HEADERS(security/pam_appl.h, [],
841 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
842 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
845 if test "$with_libxml" = yes ; then
846 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
849 if test "$with_ldap" = yes ; then
850 if test "$PORTNAME" != "win32"; then
851 AC_CHECK_HEADERS(ldap.h, [],
852 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
854 AC_CHECK_HEADERS(winldap.h, [],
855 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
862 if test "$with_bonjour" = yes ; then
863 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Bonjour])])
868 ## Types, structures, compiler characteristics
871 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
877 PGAC_C_FUNCNAME_SUPPORT
880 PGAC_STRUCT_SOCKADDR_UN
881 PGAC_STRUCT_SOCKADDR_STORAGE
882 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
885 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
886 [#include <sys/param.h>
887 #include <sys/types.h>
888 #include <sys/socket.h>
889 #include <sys/ucred.h>])
891 AC_CHECK_TYPES([struct option], [], [],
892 [#ifdef HAVE_GETOPT_H
896 if test "$with_zlib" = yes; then
897 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
898 # did not). While we could work around the lack of z_streamp, it
899 # seems unwise to encourage people to use such old zlib versions...
900 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
901 Use --without-zlib to disable zlib support.])],
905 if test "$with_krb5" = yes; then
906 # Check for differences between MIT and Heimdal (KTH) releases
907 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
908 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
909 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
910 [#include <krb5.h>])],
912 AC_CHECK_MEMBERS(krb5_error.text.data, [],
913 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
914 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
915 [#include <krb5.h>])],
921 ## Functions, global variables
924 PGAC_VAR_INT_TIMEZONE
925 AC_FUNC_ACCEPT_ARGTYPES
926 PGAC_FUNC_GETTIMEOFDAY_1ARG
928 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
930 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
931 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
932 AC_CHECK_DECLS([strlcat, strlcpy])
933 # This is probably only present on Darwin, but may as well check always
934 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
937 AC_CHECK_TYPE([struct sockaddr_in6],
938 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
941 [$ac_includes_default
942 #include <netinet/in.h>])
945 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
947 [#include <machine/vmparam.h>
948 #include <sys/exec.h>
950 [PS_STRINGS->ps_nargvstr = 1;
951 PS_STRINGS->ps_argvstr = "foo";],
952 [pgac_cv_var_PS_STRINGS=yes],
953 [pgac_cv_var_PS_STRINGS=no])])
954 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
955 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
959 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
960 # is missing. Yes, there are machines that have only one. We may
961 # also decide to use snprintf.c if snprintf() is present but does not
962 # have all the features we need --- see below.
964 if test "$PORTNAME" = "win32"; then
965 # Win32 gets snprintf.c built unconditionally.
967 # To properly translate all NLS languages strings, we must support the
968 # *printf() %$ format, which allows *printf() arguments to be selected
969 # by position in the translated string.
971 # libintl versions < 0.13 use the native *printf() functions, and Win32
972 # *printf() doesn't understand %$, so we must use our /port versions,
973 # which do understand %$. libintl versions >= 0.13 include their own
974 # *printf versions on Win32. The libintl 0.13 release note text is:
976 # C format strings with positions, as they arise when a translator
977 # needs to reorder a sentence, are now supported on all platforms.
978 # On those few platforms (NetBSD and Woe32) for which the native
979 # printf()/fprintf()/... functions don't support such format
980 # strings, replacements are provided through <libintl.h>.
982 # We could use libintl >= 0.13's *printf() if we were sure that we had
983 # a litint >= 0.13 at runtime, but seeing that there is no clean way
984 # to guarantee that, it is best to just use our own, so we are sure to
985 # get %$ support. In include/port.h we disable the *printf() macros
986 # that might have been defined by libintl.
988 # We do this unconditionally whether NLS is used or not so we are sure
989 # that all Win32 libraries and binaries behave the same.
990 pgac_need_repl_snprintf=yes
992 pgac_need_repl_snprintf=no
993 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
994 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
998 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
999 # include/c.h will provide declarations. Note this is a separate test
1000 # from whether the functions exist in the C library --- there are
1001 # systems that have the functions but don't bother to declare them :-(
1003 AC_CHECK_DECLS([snprintf, vsnprintf])
1006 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1007 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1012 [return isinf(glob_double) ? 0 : 1;],
1013 [ac_cv_func_isinf=yes],
1014 [ac_cv_func_isinf=no])])
1016 if test $ac_cv_func_isinf = yes ; then
1017 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1020 # Look for a way to implement a substitute for isinf()
1021 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1024 # Some versions of libedit contain strlcpy(); so disregard that library while
1025 # checking for these standard libc functions.
1026 pgac_save_LIBS="$LIBS"
1027 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1029 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strdup strerror strlcat strlcpy strtol strtoul unsetenv])
1031 LIBS="$pgac_save_LIBS"
1033 # System's version of getaddrinfo(), if any, may be used only if we found
1034 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1035 # (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
1036 # versions of getaddrinfo don't follow normal C call protocol. This is OK
1037 # because we want to use our own getaddrinfo.c on Windows anyway.)
1038 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
1039 AC_REPLACE_FUNCS([getaddrinfo])
1041 AC_LIBOBJ(getaddrinfo)
1044 # similarly, use system's getopt_long() only if system provides struct option.
1045 if test x"$ac_cv_type_struct_option" = xyes ; then
1046 AC_REPLACE_FUNCS([getopt_long])
1048 AC_LIBOBJ(getopt_long)
1051 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
1052 # We override the previous test that said fseeko/ftello didn't exist
1053 # OS tests are also done in include/c.h and port/fseeko.c
1054 case $host_os in bsdi*|netbsd*)
1055 ac_cv_func_fseeko=yes
1059 if test "$PORTNAME" = "win32"; then
1060 AC_LIBOBJ(gettimeofday)
1064 AC_LIBOBJ(win32error)
1065 AC_DEFINE([HAVE_SYMLINK], 1,
1066 [Define to 1 if you have the `symlink' function.])
1069 if test "$with_readline" = yes; then
1070 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1071 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
1072 AC_CHECK_FUNCS([replace_history_entry])
1076 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
1077 dnl (especially on GNU libc)
1078 dnl See also comments in c.h.
1079 AC_MSG_CHECKING(for sigsetjmp)
1080 AC_TRY_LINK([#include <setjmp.h>],
1081 [sigjmp_buf x; sigsetjmp(x, 1);],
1082 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1083 AC_MSG_RESULT(yes)],
1084 [AC_MSG_RESULT(no)])
1088 AC_CHECK_FUNC(syslog,
1089 [AC_CHECK_HEADER(syslog.h,
1090 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1092 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1093 [AC_TRY_LINK([#include <unistd.h>],
1094 [extern int optreset; optreset = 1;],
1095 [pgac_cv_var_int_optreset=yes],
1096 [pgac_cv_var_int_optreset=no])])
1097 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1098 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1101 AC_CHECK_FUNCS([strtoll strtoq], [break])
1102 AC_CHECK_FUNCS([strtoull strtouq], [break])
1104 # Check for one of atexit() or on_exit()
1105 AC_CHECK_FUNCS(atexit, [],
1106 [AC_CHECK_FUNCS(on_exit, [],
1107 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1114 # For each platform, we need to know about any special compile and link
1115 # libraries, and whether the normal C function names are thread-safe.
1116 # See the comment at the top of src/port/thread.c for more information.
1117 # WIN32 doesn't need the pthread tests; it always uses threads
1118 if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
1119 ACX_PTHREAD # set thread flags
1121 # Some platforms use these, so just defineed them. They can't hurt if they
1122 # are not supported.
1123 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
1126 # At this point, we don't want to muck with the compiler name for threading.
1127 # Let's see who fails, perhaps AIX. 2004-04-23
1128 if test "$PTHREAD_CC" != "$CC"; then
1130 PostgreSQL does not support platforms that require a special compiler
1131 for thread safety.])
1134 if test "$THREAD_SUPPORT" = no; then
1135 AC_MSG_ERROR([cannot enable threads on this platform
1136 This platform is known to not support thread-safe programs. For details,
1137 compile and run src/bin/pg_thread_test.])
1140 # Check for *_r functions
1143 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1144 LIBS="$LIBS $PTHREAD_LIBS"
1146 if test "$PORTNAME" != "win32"; then
1147 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1150 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1152 # Do test here with the proper thread flags
1153 PGAC_FUNC_GETPWUID_R_5ARG
1154 PGAC_FUNC_STRERROR_R_INT
1160 # do not use values from template file
1165 AC_SUBST(PTHREAD_CFLAGS)
1166 AC_SUBST(PTHREAD_LIBS)
1169 # We can test for libldap_r only after we know PTHREAD_LIBS
1170 if test "$with_ldap" = yes ; then
1172 if test "$PORTNAME" != "win32"; then
1173 AC_CHECK_LIB(ldap, ldap_bind, [],
1174 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1176 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1177 if test "$enable_thread_safety" = yes; then
1178 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1179 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1180 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1181 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1182 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1184 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1187 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1188 LDAP_LIBS_FE="-lwldap32"
1189 LDAP_LIBS_BE="-lwldap32"
1193 AC_SUBST(LDAP_LIBS_FE)
1194 AC_SUBST(LDAP_LIBS_BE)
1197 # This test makes sure that run tests work at all. Sometimes a shared
1198 # library is found by the linker, but the runtime linker can't find it.
1199 # This check should come after all modifications of compiler or linker
1200 # variables, and before any other run tests.
1201 AC_MSG_CHECKING([test program])
1202 AC_TRY_RUN([int main() { return 0; }],
1203 [AC_MSG_RESULT(ok)],
1204 [AC_MSG_RESULT(failed)
1206 Could not execute a simple test program. This may be a problem
1207 related to locating shared libraries. Check the file 'config.log'
1208 for the exact reason.]])],
1209 [AC_MSG_RESULT([cross-compiling])])
1211 # --------------------
1212 # Run tests below here
1213 # --------------------
1215 # Force use of our snprintf if system's doesn't do arg control
1216 # See comment above at snprintf test for details.
1217 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1218 PGAC_FUNC_PRINTF_ARG_CONTROL
1219 if test $pgac_cv_printf_arg_control != yes ; then
1220 pgac_need_repl_snprintf=yes
1225 dnl Check to see if we have a working 64-bit integer type.
1226 dnl This breaks down into two steps:
1227 dnl (1) figure out if the compiler has a 64-bit int type with working
1228 dnl arithmetic, and if so
1229 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1230 dnl snprintf is the only library routine we really need for int8 support.)
1231 dnl It's entirely possible to have a compiler that handles a 64-bit type
1232 dnl when the C library doesn't; this is fairly likely when using gcc on
1233 dnl an older platform, for example.
1234 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1235 dnl we force our own version of snprintf() to be used instead.
1236 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1238 PGAC_TYPE_64BIT_INT([long int])
1240 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1241 PGAC_TYPE_64BIT_INT([long long int])
1245 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1247 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1249 #define INT64CONST(x) x##LL
1250 long long int foo = INT64CONST(0x1234567890123456);
1253 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1258 # If we found "long int" is 64 bits, assume snprintf handles it. If
1259 # we found we need to use "long long int", better check. We cope with
1260 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1261 # work, fall back to our own snprintf emulation (which we know uses %lld).
1263 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1264 if test $pgac_need_repl_snprintf = no; then
1265 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1266 if test "$LONG_LONG_INT_FORMAT" = ""; then
1267 # Force usage of our own snprintf, since system snprintf is broken
1268 pgac_need_repl_snprintf=yes
1269 LONG_LONG_INT_FORMAT='%lld'
1272 # Here if we previously decided we needed to use our own snprintf
1273 LONG_LONG_INT_FORMAT='%lld'
1275 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1276 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1277 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1279 # Here if we are not using 'long long int' at all
1280 INT64_FORMAT='"%ld"'
1281 UINT64_FORMAT='"%lu"'
1284 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1285 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1287 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1288 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1290 # Now we have checked all the reasons to replace snprintf
1291 if test $pgac_need_repl_snprintf = yes; then
1292 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1296 # Need a #define for the size of Datum (unsigned long)
1297 AC_CHECK_SIZEOF([unsigned long])
1299 # And one for the size of size_t (enables tweaks for > 32bit address space)
1300 AC_CHECK_SIZEOF([size_t])
1302 # Determine memory alignment requirements for the basic C data types.
1304 PGAC_CHECK_ALIGNOF(short)
1305 PGAC_CHECK_ALIGNOF(int)
1306 PGAC_CHECK_ALIGNOF(long)
1307 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1308 PGAC_CHECK_ALIGNOF(long long int)
1310 PGAC_CHECK_ALIGNOF(double)
1312 # Compute maximum alignment of any basic type.
1313 # We assume long's alignment is at least as strong as char, short, or int;
1314 # but we must check long long (if it exists) and double.
1316 MAX_ALIGNOF=$pgac_cv_alignof_long
1317 if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
1318 MAX_ALIGNOF=$pgac_cv_alignof_double
1320 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
1321 MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1323 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1326 # Some platforms predefine the types int8, int16, etc. Only check
1327 # a (hopefully) representative subset.
1328 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1330 #ifdef HAVE_SUPPORTDEFS_H
1331 #include <SupportDefs.h>
1334 # We also check for sig_atomic_t, which *should* be defined per ANSI
1335 # C, but is missing on some old platforms.
1336 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1339 if test "$PORTNAME" != "win32"
1341 PGAC_FUNC_POSIX_SIGNALS
1342 if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
1344 Thread-safety requires POSIX signals, which are not supported by this
1349 if test $ac_cv_func_fseeko = yes; then
1353 # SunOS doesn't handle negative byte comparisons properly with +/- return
1357 # Select semaphore implementation type.
1358 if test "$PORTNAME" != "win32"; then
1359 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1360 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1361 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1363 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1364 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1365 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1367 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1368 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1372 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1373 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1377 # Select shared-memory implementation type.
1378 if test "$PORTNAME" != "win32"; then
1379 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1380 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1382 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1383 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1386 # If not set in template file, set bytes to use libc memset()
1387 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1388 MEMSET_LOOP_LIMIT=1024
1390 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1393 if test "$enable_nls" = yes ; then
1397 # Check for Tcl configuration script tclConfig.sh
1398 if test "$with_tcl" = yes; then
1399 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1400 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1401 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1402 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1403 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1404 ac_save_CPPFLAGS=$CPPFLAGS
1405 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1406 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1407 CPPFLAGS=$ac_save_CPPFLAGS
1411 # Check for DocBook and tools
1415 PGAC_CHECK_DOCBOOK(4.2)
1416 PGAC_PATH_DOCBOOK_STYLESHEETS
1417 PGAC_PATH_COLLATEINDEX
1418 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1422 # We have to run the thread test near the end so we have all our symbols
1423 # defined. Cross compiling throws a warning.
1425 if test "$enable_thread_safety_force" = yes; then
1426 if test "$PORTNAME" != "win32"
1429 *** Skipping thread test program. --enable-thread-safety-force was used.
1430 *** Run the program in src/test/thread on the your machine and add proper
1431 *** locking function calls to your applications to guarantee thread safety.
1434 AC_MSG_WARN([*** skipping thread test on Win32])
1436 elif test "$enable_thread_safety" = yes; then
1437 if test "$PORTNAME" != "win32"
1439 AC_MSG_CHECKING([thread safety of required library functions])
1443 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
1444 LIBS="$LIBS $PTHREAD_LIBS"
1445 AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
1446 [AC_MSG_RESULT(yes)],
1448 AC_MSG_ERROR([thread test program failed
1449 This platform is not thread-safe. Check the file 'config.log'for the
1452 You can use the configure option --enable-thread-safety-force to force
1453 threads to be enabled. But you must then run the program in
1454 src/test/thread and add locking function calls to your applications to
1455 guarantee thread safety.])],
1456 [AC_MSG_RESULT(maybe)
1458 *** Skipping thread test program because of cross-compile build.
1459 *** Run the program in src/test/thread on the target machine.
1464 AC_MSG_WARN([*** skipping thread test on Win32])
1468 # prepare build tree if outside source tree
1469 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1470 # Note 2: /bin/pwd might be better than shell's built-in at getting
1471 # a symlink-free name.
1472 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1476 if test "$no_create" != yes; then
1477 _AS_ECHO_N([preparing build tree... ])
1478 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1479 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1480 || AC_MSG_ERROR(failed)
1484 AC_SUBST(vpath_build)
1487 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1490 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1491 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1492 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1493 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1494 src/include/pg_config_os.h:src/include/port/${template}.h
1495 src/Makefile.port:src/makefiles/Makefile.${template}
1498 if test "$PORTNAME" = "win32"; then
1499 AC_CONFIG_COMMANDS([check_win32_symlinks],[
1500 # Links sometimes fail undetected on Mingw -
1501 # so here we detect it and warn the user
1502 for FILE in $CONFIG_LINKS
1504 # test -e works for symlinks in the MinGW console
1505 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
1510 AC_CONFIG_HEADERS([src/include/pg_config.h],
1512 # Update timestamp for pg_config.h (see Makefile.global)
1513 echo >src/include/stamp-h
1516 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h])
1520 # Warn about unknown options