1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.322 2004/03/24 03:54:16 momjian 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], [7.5devel], [pgsql-bugs@postgresql.org])
23 AC_COPYRIGHT([Copyright 2003 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])
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 beos*) template=beos ;;
53 bsdi*) template=bsdi ;;
54 cygwin*) template=cygwin ;;
55 darwin*) template=darwin ;;
56 dgux*) template=dgux ;;
57 freebsd*) template=freebsd ;;
58 hpux*) template=hpux ;;
59 irix*) template=irix5 ;;
60 linux*) template=linux ;;
61 mingw*) template=win32 ;;
62 netbsd*) template=netbsd ;;
63 nextstep*) template=nextstep ;;
64 openbsd*) template=openbsd ;;
66 qnx*) template=qnx4 ;;
68 solaris*) template=solaris ;;
69 sunos*) template=sunos4 ;;
72 univel) template=univel ;;
74 sysv4*) template=svr4 ;;
75 sysv5*) template=unixware ;;
76 ultrix*) template=ultrix4 ;;
79 if test x"$template" = x"" ; then
81 *******************************************************************
82 PostgreSQL has apparently not been ported to your platform yet.
83 To try a manual configuration, look into the src/template directory
84 for a similar platform and use the '--with-template=' option.
86 Please also contact <pgsql-ports@postgresql.org> to see about
87 rectifying this. Include the above 'checking host system type...'
89 *******************************************************************
95 AC_MSG_RESULT([$template])
100 # Initialize default assumption that we do not need separate assembly code
101 # for TAS (test-and-set). This can be overridden by the template file
102 # when it's executed.
109 ## Command line options
113 # Installation directory for documentation
115 PGAC_ARG(with, docdir, [ --with-docdir=DIR install the documentation in DIR [[PREFIX/doc]]
116 --without-docdir do not install the documentation],
117 [AC_MSG_ERROR([option --with-docdir requires an argument])],
120 [docdir='${prefix}/doc'])
125 # Add non-standard directories to the include path
127 PGAC_ARG_REQ(with, includes, [ --with-includes=DIRS look for additional header files in DIRS])
131 # Add non-standard directories to the library search path
133 PGAC_ARG_REQ(with, libraries, [ --with-libraries=DIRS look for additional libraries in DIRS],
134 [LIBRARY_DIRS=$withval])
136 PGAC_ARG_REQ(with, libs, [ --with-libs=DIRS alternative spelling of --with-libraries],
137 [LIBRARY_DIRS=$withval])
141 # 64-bit integer date/time storage (--enable-integer-datetimes)
143 AC_MSG_CHECKING([whether to build with 64-bit integer date/time support])
144 PGAC_ARG_BOOL(enable, integer-datetimes, no, [ --enable-integer-datetimes enable 64-bit integer date/time support],
145 [AC_DEFINE([USE_INTEGER_DATETIMES], 1,
146 [Define to 1 if you want 64-bit integer timestamp and interval support. (--enable-integer-datetimes)])])
147 AC_MSG_RESULT([$enable_integer_datetimes])
153 AC_MSG_CHECKING([whether NLS is wanted])
154 PGAC_ARG_OPTARG(enable, nls,
155 [[ --enable-nls[=LANGUAGES] enable Native Language Support]],
157 [WANTED_LANGUAGES=$enableval],
158 [AC_DEFINE(ENABLE_NLS, 1,
159 [Define to 1 if you want National Language Support. (--enable-nls)])])
160 AC_MSG_RESULT([$enable_nls])
162 AC_SUBST(WANTED_LANGUAGES)
165 # Default port number (--with-pgport), default 5432
167 AC_MSG_CHECKING([for default port number])
168 PGAC_ARG_REQ(with, pgport, [ --with-pgport=PORTNUM change default port number [5432]],
169 [default_port=$withval],
171 AC_MSG_RESULT([$default_port])
172 # Need both of these because some places want an integer and some a string
173 AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
174 [Define to the default TCP port number on which the server listens and
175 to which clients will try to connect. This can be overridden at run-time,
176 but it's convenient if your clients have the right default compiled in.
177 (--with-pgport=PORTNUM)])
178 AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
179 [Define to the default TCP port number as a string constant.])
180 AC_SUBST(default_port)
183 # Option to disable shared libraries
185 PGAC_ARG_BOOL(enable, shared, yes,
186 [ --disable-shared do not build shared libraries])
187 AC_SUBST(enable_shared)
190 # '-rpath'-like feature can be disabled
192 PGAC_ARG_BOOL(enable, rpath, yes,
193 [ --disable-rpath do not embed shared library search path in executables])
194 AC_SUBST(enable_rpath)
199 PGAC_ARG_BOOL(enable, spinlocks, yes,
200 [ --disable-spinlocks do not use spinlocks])
203 # --enable-debug adds -g to compiler flags
205 PGAC_ARG_BOOL(enable, debug, no,
206 [ --enable-debug build with debugging symbols (-g)])
207 AC_SUBST(enable_debug)
213 # For historical reasons you can also use --with-CC to specify the C compiler
214 # to use, although the standard way to do this is to set the CC environment
216 PGAC_ARG_REQ(with, CC, [], [CC=$with_CC])
219 aix) pgac_cc_list="gcc xlc";;
220 irix) pgac_cc_list="cc";; # no gcc
221 *) pgac_cc_list="gcc cc";;
224 AC_PROG_CC([$pgac_cc_list])
231 . "$srcdir/src/template/$template" || exit
233 # CFLAGS are selected so:
234 # If the user specifies something in the environment, that is used.
235 # else: If the template file set something, that is used.
236 # else: If the compiler is GCC, then we use -O2.
237 # else: If the compiler is something else, then we use -0.
239 if test "$ac_env_CFLAGS_set" = set; then
240 CFLAGS=$ac_env_CFLAGS_value
241 elif test "${CFLAGS+set}" = set; then
242 : # (keep what template set)
243 elif test "$GCC" = yes; then
246 # if the user selected debug mode, don't use -O
247 if test "$enable_debug" != yes; then
252 # Need to specify -fno-strict-aliasing too in case it's gcc 3.3 or later.
253 PGAC_PROG_CC_NO_STRICT_ALIASING
255 # supply -g if --enable-debug
256 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
260 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
262 # We already have this in Makefile.win32, but configure needs it too
263 if test "$PORTNAME" = "win32"; then
264 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
267 # Check if the compiler still works with the template settings
268 AC_MSG_CHECKING([whether the C compiler still works])
269 AC_TRY_LINK([], [return 0;],
270 [AC_MSG_RESULT(yes)],
272 AC_MSG_ERROR([cannot proceed])])
274 # Defend against gcc -ffast-math
275 if test "$GCC" = yes; then
276 AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
278 @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
284 # Create compiler version string
285 if test x"$GCC" = x"yes" ; then
286 cc_string="GCC `${CC} --version | sed q`"
290 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
291 ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
292 [A string containing the version number, platform, and C compiler])
296 # Set up TAS assembly code if needed; the template file has now had its
297 # chance to request this.
299 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
301 if test "$need_tas" = yes ; then
310 # Automatic dependency tracking
312 PGAC_ARG_BOOL(enable, depend, no, [ --enable-depend turn on automatic dependency tracking],
318 # Enable assert checks
320 PGAC_ARG_BOOL(enable, cassert, no, [ --enable-cassert enable assertion checks (for debugging)],
321 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
322 [Define to 1 to build with assertion checks. (--enable-cassert)])])
326 # Include directories
330 # SRCH_INC comes from the template file
331 for dir in $with_includes $SRCH_INC; do
332 if test -d "$dir"; then
333 INCLUDES="$INCLUDES -I$dir"
335 AC_MSG_WARN([*** Include directory $dir does not exist.])
343 # Library directories
347 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
348 for dir in $LIBRARY_DIRS $SRCH_LIB; do
349 if test -d "$dir"; then
350 LIBDIRS="$LIBDIRS -L$dir"
352 AC_MSG_WARN([*** Library directory $dir does not exist.])
358 # Enable thread-safe client libraries
360 AC_MSG_CHECKING([allow thread-safe client libraries])
361 PGAC_ARG_BOOL(enable, thread-safety, no, [ --enable-thread-safety make client libraries thread-safe],
362 [AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
363 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])])
364 AC_MSG_RESULT([$enable_thread_safety])
365 AC_SUBST(enable_thread_safety)
370 AC_MSG_CHECKING([whether to build with Tcl])
371 PGAC_ARG_BOOL(with, tcl, no, [ --with-tcl build Tcl and Tk interfaces])
372 AC_MSG_RESULT([$with_tcl])
375 # If Tcl is enabled (above) then Tk is also, unless the user disables it using --without-tk
376 AC_MSG_CHECKING([whether to build with Tk])
377 if test "$with_tcl" = yes; then
378 PGAC_ARG_BOOL(with, tk, yes, [ --without-tk do not build Tk interfaces if Tcl is enabled])
382 AC_MSG_RESULT([$with_tk])
386 # We see if the path to the Tcl/Tk configuration scripts is specified.
387 # This will override the use of tclsh to find the paths to search.
389 PGAC_ARG_REQ(with, tclconfig, [ --with-tclconfig=DIR tclConfig.sh and tkConfig.sh are in DIR])
391 # We see if the path to the Tk configuration scripts is specified.
392 # This will override the use of tclsh to find the paths to search.
394 PGAC_ARG_REQ(with, tkconfig, [ --with-tkconfig=DIR tkConfig.sh is in DIR])
397 # Optionally build Perl modules (PL/Perl)
399 AC_MSG_CHECKING([whether to build Perl modules])
400 PGAC_ARG_BOOL(with, perl, no, [ --with-perl build Perl modules (PL/Perl)])
401 AC_MSG_RESULT([$with_perl])
405 # Optionally build Python modules (PL/Python)
407 AC_MSG_CHECKING([whether to build Python modules])
408 PGAC_ARG_BOOL(with, python, no, [ --with-python build Python modules (PL/Python)])
409 AC_MSG_RESULT([$with_python])
410 AC_SUBST(with_python)
415 AC_MSG_CHECKING([whether to build with Kerberos 4 support])
416 PGAC_ARG_BOOL(with, krb4, no, [ --with-krb4 build with Kerberos 4 support],
418 AC_DEFINE(KRB4, 1, [Define to build with Kerberos 4 support. (--with-krb4)])
419 krb_srvtab="/etc/srvtab"
421 AC_MSG_RESULT([$with_krb4])
428 AC_MSG_CHECKING([whether to build with Kerberos 5 support])
429 PGAC_ARG_BOOL(with, krb5, no, [ --with-krb5 build with Kerberos 5 support],
431 AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
432 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
434 AC_MSG_RESULT([$with_krb5])
438 # Using both Kerberos 4 and Kerberos 5 at the same time isn't going to work.
439 if test "$with_krb4" = yes && test "$with_krb5" = yes ; then
440 AC_MSG_ERROR([Kerberos 4 and Kerberos 5 support cannot be combined])
447 # Kerberos configuration parameters
449 PGAC_ARG_REQ(with, krb-srvnam,
450 [ --with-krb-srvnam=NAME name of the service principal in Kerberos [[postgres]]],
452 [with_krb_srvnam="postgres"])
453 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
454 [Define to the name of the PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
460 AC_MSG_CHECKING([whether to build with PAM support])
461 PGAC_ARG_BOOL(with, pam, no,
462 [ --with-pam build with PAM support],
463 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
464 AC_MSG_RESULT([$with_pam])
471 AC_MSG_CHECKING([whether to build with Rendezvous support])
472 PGAC_ARG_BOOL(with, rendezvous, no,
473 [ --with-rendezvous build with Rendezvous support],
474 [AC_DEFINE([USE_RENDEZVOUS], 1, [Define to 1 to build with Rendezvous support. (--with-rendezvous)])])
475 AC_MSG_RESULT([$with_rendezvous])
476 AC_SUBST(with_rendezvous)
482 AC_MSG_CHECKING([whether to build with OpenSSL support])
483 PGAC_ARG_BOOL(with, openssl, no, [ --with-openssl build with OpenSSL support],
484 [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
485 AC_MSG_RESULT([$with_openssl])
486 AC_SUBST(with_openssl)
492 PGAC_ARG_BOOL(with, readline, yes,
493 [ --without-readline do not use Readline])
498 PGAC_ARG_BOOL(with, zlib, yes,
499 [ --without-zlib do not use Zlib])
505 # Assume system is ELF if it predefines __ELF__ as 1,
506 # otherwise believe host_os based default.
508 freebsd1*|freebsd2*) elf=no;;
509 freebsd3*|freebsd4*) elf=yes;;
518 [if test "X$elf" = "Xyes" ; then
529 CPPFLAGS="$CPPFLAGS $INCLUDES"
530 LDFLAGS="$LDFLAGS $LIBDIRS"
532 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
533 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
541 AC_SUBST(with_gnu_ld)
542 case $host_os in sysv5*)
543 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
545 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
546 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
547 LDFLAGS=$pgac_save_LDFLAGS
549 ld_R_works=$pgac_cv_prog_ld_R
553 AC_CHECK_PROGS(LORDER, lorder)
554 AC_PATH_PROG(TAR, tar)
557 AC_CHECK_PROGS(YACC, ['bison -y'])
559 if test "$YACC"; then
560 if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
562 *** If you are going to modify the grammar files or build from CVS, the installed
563 *** version of Bison is too old. Bison version 1.875 or later is required.])
567 if test -z "$YACC"; then
569 *** Without Bison you will not be able to build PostgreSQL from CVS or
570 *** change any of the parser definition files. You can obtain Bison from
571 *** a GNU mirror site. (If you are using the official distribution of
572 *** PostgreSQL then you do not need to worry about this because the Bison
573 *** output is pre-generated.) To use a different yacc program (possible,
574 *** but not recommended), set the environment variable YACC before running
580 if test "$with_perl" = yes; then
581 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
582 PGAC_CHECK_PERL_EMBED_LDFLAGS
585 if test "$with_python" = yes; then
587 PGAC_CHECK_PYTHON_EMBED_SETUP
595 if test "$PORTNAME" != "aix" -a "$PORTNAME" != "alpha"
597 AC_CHECK_LIB(bsd, main)
599 AC_CHECK_LIB(util, setproctitle)
600 AC_CHECK_LIB(m, main)
601 AC_CHECK_LIB(dl, main)
602 AC_CHECK_LIB(nsl, main)
603 AC_CHECK_LIB(socket, main)
604 AC_CHECK_LIB(ipc, main)
605 AC_CHECK_LIB(IPC, main)
606 AC_CHECK_LIB(lc, main)
607 AC_CHECK_LIB(dld, main)
608 AC_CHECK_LIB(ld, main)
609 AC_CHECK_LIB(compat, main)
610 AC_CHECK_LIB(BSD, main)
611 AC_CHECK_LIB(gen, main)
612 AC_CHECK_LIB(PW, main)
613 AC_CHECK_LIB(resolv, main)
614 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
616 AC_CHECK_LIB(unix, main)
617 AC_SEARCH_LIBS(crypt, crypt)
619 if test "$PORTNAME" = "beos"
621 AC_CHECK_LIB(bind, __inet_ntoa)
624 AC_SEARCH_LIBS(fdatasync, [rt posix4])
626 AC_CHECK_LIB(cygipc, shmget)
628 if test "$PORTNAME" = "win32"
630 AC_CHECK_LIB(wsock32, main)
633 if test "$with_readline" = yes; then
635 if test x"$pgac_cv_check_readline" = x"no"; then
636 AC_MSG_ERROR([readline library not found
637 If you have readline already installed, see config.log for details on the
638 failure. It is possible the compiler isn't looking in the proper directory.
639 Use --without-readline to disable readline support.])
643 if test "$with_zlib" = yes; then
644 AC_CHECK_LIB(z, inflate, [],
645 [AC_MSG_ERROR([zlib library not found
646 If you have zlib already installed, see config.log for details on the
647 failure. It is possible the compiler isn't looking in the proper directory.
648 Use --without-zlib to disable zlib support.])])
651 if test "$enable_spinlocks" = yes; then
652 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
655 *** Not using spinlocks will cause poor performance.])
658 if test "$with_krb4" = yes ; then
659 AC_CHECK_LIB(des, des_encrypt, [], [AC_MSG_ERROR([library 'des' is required for Kerberos 4])])
660 AC_CHECK_LIB(krb, krb_sendauth, [], [AC_MSG_ERROR([library 'krb' is required for Kerberos 4])])
661 AC_REPLACE_FUNCS([gethostname])
664 if test "$with_krb5" = yes ; then
665 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -ldes -lasn1 -lroken' com_err], [],
666 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
667 AC_SEARCH_LIBS(krb5_encrypt, [krb5 'krb5 -ldes -lasn1 -lroken' crypto k5crypto], [],
668 [AC_MSG_ERROR([could not find function 'krb5_encrypt' required for Kerberos 5])])
669 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -ldes -lasn1 -lroken'], [],
670 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
673 if test "$with_openssl" = yes ; then
675 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
676 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
679 if test "$with_pam" = yes ; then
680 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
688 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
689 AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.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/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h])
691 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
692 # netinet/in.h is included first.
693 AC_CHECK_HEADERS(netinet/in.h)
694 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
696 #ifdef HAVE_NETINET_IN_H
697 #include <netinet/in.h>
701 if test "$with_readline" = yes; then
702 AC_CHECK_HEADERS(readline/readline.h, [],
703 [AC_CHECK_HEADERS(editline/readline.h, [],
704 [AC_CHECK_HEADERS(readline.h, [],
705 [AC_MSG_ERROR([readline header not found
706 If you have readline already installed, see config.log for details on the
707 failure. It is possible the compiler isn't looking in the proper directory.
708 Use --without-readline to disable readline support.])])])])
709 AC_CHECK_HEADERS(readline/history.h, [],
710 [AC_CHECK_HEADERS(editline/history.h, [],
711 [AC_CHECK_HEADERS(history.h, [],
712 [AC_MSG_ERROR([history header not found
713 If you have readline already installed, see config.log for details on the
714 failure. It is possible the compiler isn't looking in the proper directory.
715 Use --without-readline to disable readline support.])])])])
718 if test "$with_zlib" = yes; then
719 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
720 If you have zlib already installed, see config.log for details on the
721 failure. It is possible the compiler isn't looking in the proper directory.
722 Use --without-zlib to disable zlib support.])])
725 if test "$with_krb4" = yes ; then
726 AC_CHECK_HEADER(krb.h, [], [AC_MSG_ERROR([header file <krb.h> is required for Kerberos 4])])
729 if test "$with_krb5" = yes ; then
730 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
731 AC_CHECK_HEADER(com_err.h, [], [AC_MSG_ERROR([header file <com_err.h> is required for Kerberos 5])])
734 if test "$with_openssl" = yes ; then
735 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
736 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
739 if test "$with_pam" = yes ; then
740 AC_CHECK_HEADERS(security/pam_appl.h, [],
741 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
742 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
745 if test "$with_rendezvous" = yes ; then
746 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Rendezvous])])
751 ## Types, structures, compiler characteristics
754 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
760 PGAC_C_FUNCNAME_SUPPORT
763 PGAC_STRUCT_SOCKADDR_UN
764 PGAC_STRUCT_SOCKADDR_STORAGE
765 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
768 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
769 [#include <sys/param.h>
770 #include <sys/types.h>
771 #include <sys/socket.h>
772 #include <sys/ucred.h>])
774 AC_CHECK_TYPES([struct option], [], [],
775 [#ifdef HAVE_GETOPT_H
779 if test "$with_zlib" = yes; then
780 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
781 # did not). While we could work around the lack of z_streamp, it
782 # seems unwise to encourage people to use such old zlib versions...
783 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
784 Use --without-zlib to disable zlib support.])],
788 if test "$with_krb5" = yes; then
789 # Check for differences between MIT and Heimdal (KTH) releases
790 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
791 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
792 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
793 [#include <krb5.h>])],
795 AC_CHECK_MEMBERS(krb5_error.text.data, [],
796 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
797 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
798 [#include <krb5.h>])],
804 ## Functions, global variables
807 PGAC_VAR_INT_TIMEZONE
808 AC_FUNC_ACCEPT_ARGTYPES
809 PGAC_FUNC_GETTIMEOFDAY_1ARG
811 # SunOS doesn't handle negative byte comparisons properly with +/- return
814 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid memmove poll pstat setproctitle setsid sigprocmask symlink sysconf utime utimes waitpid])
816 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
819 AC_CHECK_TYPE([struct sockaddr_in6],
820 [AC_CHECK_FUNC(inet_ntop,
821 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
824 [$ac_includes_default
825 #include <netinet/in.h>])
828 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
830 [#include <machine/vmparam.h>
831 #include <sys/exec.h>
833 [PS_STRINGS->ps_nargvstr = 1;
834 PS_STRINGS->ps_argvstr = "foo";],
835 [pgac_cv_var_PS_STRINGS=yes],
836 [pgac_cv_var_PS_STRINGS=no])])
837 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
838 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
842 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
843 # is missing. Yes, there are machines that have only one. We may
844 # also decide to use snprintf.c if snprintf() is present but does not
845 # have working "long long int" support -- see below.
847 pgac_need_repl_snprintf=no
848 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
849 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
852 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
853 # include/c.h will provide declarations. Note this is a separate test
854 # from whether the functions exist in the C library --- there are
855 # systems that have the functions but don't bother to declare them :-(
857 AC_CHECK_DECLS([snprintf, vsnprintf])
860 # do this one the hard way in case isinf() is a macro
861 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
865 [double x = 0.0; int res = isinf(x);],
866 [ac_cv_func_isinf=yes],
867 [ac_cv_func_isinf=no])])
869 if test $ac_cv_func_isinf = yes ; then
870 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
873 # Look for a way to implement a substitute for isinf()
874 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
877 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul])
879 # system's version of getaddrinfo(), if any, may be used only if we found
880 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
881 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
882 AC_REPLACE_FUNCS([getaddrinfo])
884 AC_LIBOBJ(getaddrinfo)
887 # similarly, use system's getopt_long() only if system provides struct option.
888 if test x"$ac_cv_type_struct_option" = xyes ; then
889 AC_REPLACE_FUNCS([getopt_long])
891 AC_LIBOBJ(getopt_long)
894 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
895 # We override the previous test that said fseeko/ftello didn't exist
896 # OS tests are also done in include/c.h and port/fseeko.c
897 case $host_os in bsdi*|netbsd*)
898 ac_cv_func_fseeko=yes
901 # Solaris has a very slow qsort in certain cases, so we replace it.
902 case $host_os in solaris*)
907 case $host_os in mingw*)
909 AC_LIBOBJ(gettimeofday)
915 # Win32 can't to rename or unlink on an open file
916 case $host_os in mingw*|cygwin*)
920 if test "$with_readline" = yes; then
921 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
922 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
923 AC_CHECK_FUNCS([replace_history_entry])
927 dnl Cannot use AC_CHECK_FUNC because finite may be a macro
928 AC_MSG_CHECKING(for finite)
929 AC_TRY_LINK([#include <math.h>],
930 [int dummy=finite(1.0);],
931 [AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
935 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
936 dnl (especially on GNU libc)
937 dnl See also comments in c.h.
938 AC_MSG_CHECKING(for sigsetjmp)
939 AC_TRY_LINK([#include <setjmp.h>],
940 [sigjmp_buf x; sigsetjmp(x, 1);],
941 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
945 AC_CHECK_FUNC(syslog,
946 [AC_CHECK_HEADER(syslog.h,
947 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
949 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
950 [AC_TRY_LINK([#include <unistd.h>],
951 [extern int optreset; optreset = 1;],
952 [pgac_cv_var_int_optreset=yes],
953 [pgac_cv_var_int_optreset=no])])
954 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
955 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
958 AC_CHECK_FUNCS([strtoll strtoq], [break])
959 AC_CHECK_FUNCS([strtoull strtouq], [break])
961 # Check for one of atexit() or on_exit()
962 AC_CHECK_FUNCS(atexit, [],
963 [AC_CHECK_FUNCS(on_exit, [],
964 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
971 # For each platform, we need to know about any special compile and link
972 # libraries, and whether the normal C function names are thread-safe.
973 # See the comment at the top of src/port/thread.c for more information.
975 if test "$enable_thread_safety" = yes; then
976 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
978 if test "$THREAD_SUPPORT" != yes; then
980 Cannot enable threads on your platform.
981 Please report your platform threading info to the PostgreSQL mailing lists
982 so it can be added to the next release. Report all compile flags, link flags,
983 functions, or libraries required for threading support.
984 See the comment at the top of src/port/thread.c for more information.
989 # Check for re-entrant versions of certain functions
991 # Include special flags if threads are enabled _and_ if required for
992 # threading on this platform. Some platforms have *_r functions but
993 # their natively named funcs are thread-safe too.
995 # One trick here is that if we don't call AC_CHECK_FUNCS; the
996 # functions are marked "not found", which is perfect.
998 if test "$enable_thread_safety" = yes -a "$STRERROR_THREADSAFE" = yes ; then
999 AC_DEFINE(STRERROR_THREADSAFE, 1, [Define if strerror is not thread safe])
1001 if test "$enable_thread_safety" = yes -a "$GETPWUID_THREADSAFE" = yes ; then
1002 AC_DEFINE(GETPWUID_THREADSAFE, 1, [Define if getpwuid is not thread safe])
1004 if test "$enable_thread_safety" = yes -a "$GETHOSTBYNAME_THREADSAFE" = yes ; then
1005 AC_DEFINE(GETHOSTBYNAME_THREADSAFE, 1, [Define if gethostbyname is not thread safe])
1008 # Check for *_r functions
1011 CFLAGS="$CFLAGS $THREAD_CPPFLAGS"
1012 LIBS="$LIBS $THREAD_LIBS"
1013 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1017 PGAC_FUNC_GETPWUID_R_5ARG
1020 # do not use values from template file
1025 AC_SUBST(THREAD_SUPPORT)
1026 AC_SUBST(THREAD_CPPFLAGS)
1027 AC_SUBST(THREAD_LIBS)
1030 # This test makes sure that run tests work at all. Sometimes a shared
1031 # library is found by the linker, but the runtime linker can't find it.
1032 # This check should come after all modifications of compiler or linker
1033 # variables, and before any other run tests.
1034 AC_MSG_CHECKING([test program])
1035 AC_TRY_RUN([int main() { return 0; }],
1036 [AC_MSG_RESULT(ok)],
1037 [AC_MSG_RESULT(failed)
1039 *** Could not execute a simple test program. This may be a problem
1040 *** related to locating shared libraries. Check the file 'config.log'
1041 *** for the exact reason.]])],
1042 [AC_MSG_RESULT([cross-compiling])])
1045 dnl Check to see if we have a working 64-bit integer type.
1046 dnl This breaks down into two steps:
1047 dnl (1) figure out if the compiler has a 64-bit int type with working
1048 dnl arithmetic, and if so
1049 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1050 dnl snprintf is the only library routine we really need for int8 support.)
1051 dnl It's entirely possible to have a compiler that handles a 64-bit type
1052 dnl when the C library doesn't; this is fairly likely when using gcc on
1053 dnl an older platform, for example.
1054 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1055 dnl we force our own version of snprintf() to be used instead.
1056 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1058 PGAC_TYPE_64BIT_INT([long int])
1060 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1061 PGAC_TYPE_64BIT_INT([long long int])
1065 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1067 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1069 #define INT64CONST(x) x##LL
1070 long long int foo = INT64CONST(0x1234567890123456);
1073 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1078 # If we found "long int" is 64 bits, assume snprintf handles it. If
1079 # we found we need to use "long long int", better check. We cope with
1080 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1081 # work, fall back to our own snprintf emulation (which we know uses %lld).
1083 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1084 if test $pgac_need_repl_snprintf = no; then
1085 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1086 if test "$LONG_LONG_INT_FORMAT" = ""; then
1087 # Force usage of our own snprintf, since system snprintf is broken
1088 pgac_need_repl_snprintf=yes
1089 LONG_LONG_INT_FORMAT='%lld'
1092 # Here if we previously decided we needed to use our own snprintf
1093 LONG_LONG_INT_FORMAT='%lld'
1095 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1096 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1097 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1099 # Here if we are not using 'long long int' at all
1100 INT64_FORMAT='"%ld"'
1101 UINT64_FORMAT='"%lu"'
1104 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1105 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1107 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1108 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1110 if test $pgac_need_repl_snprintf = yes; then
1114 # Need a #define for the size of Datum (unsigned long)
1115 AC_CHECK_SIZEOF([unsigned long])
1117 # Determine memory alignment requirements for the basic C data types.
1119 PGAC_CHECK_ALIGNOF(short)
1120 PGAC_CHECK_ALIGNOF(int)
1121 PGAC_CHECK_ALIGNOF(long)
1122 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1123 PGAC_CHECK_ALIGNOF(long long int)
1125 PGAC_CHECK_ALIGNOF(double)
1127 # Compute maximum alignment of any basic type.
1128 # We assume long's alignment is at least as strong as char, short, or int;
1129 # but we must check long long (if it exists) and double.
1131 MAX_ALIGNOF=$pgac_cv_alignof_long
1132 if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
1133 MAX_ALIGNOF=$pgac_cv_alignof_double
1135 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
1136 MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1138 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1141 # Some platforms predefine the types int8, int16, etc. Only check
1142 # a (hopefully) representative subset.
1143 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1145 #ifdef HAVE_SUPPORTDEFS_H
1146 #include <SupportDefs.h>
1149 # We also check for sig_atomic_t, which *should* be defined per ANSI
1150 # C, but is missing on some old platforms.
1151 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1154 PGAC_FUNC_POSIX_SIGNALS
1155 if test $ac_cv_func_fseeko = yes; then
1160 # Select semaphore implementation type.
1161 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1162 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1163 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1165 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1166 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1167 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1169 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1170 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1175 # Select shared-memory implementation type.
1176 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1177 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1180 if test "$enable_nls" = yes ; then
1184 # Check for Tcl configuration script tclConfig.sh
1185 if test "$with_tcl" = yes; then
1186 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1187 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1188 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1189 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1192 # Check for Tk configuration script tkConfig.sh
1193 if test "$with_tk" = yes; then
1194 PGAC_PATH_TKCONFIGSH([$with_tkconfig $with_tclconfig])
1195 PGAC_EVAL_TCLCONFIGSH([$TK_CONFIG_SH], [TK_LIBS,TK_LIB_SPEC,TK_XINCLUDES])
1200 # Check for DocBook and tools
1204 PGAC_CHECK_DOCBOOK(4.2)
1205 PGAC_PATH_DOCBOOK_STYLESHEETS
1206 PGAC_PATH_COLLATEINDEX
1207 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1210 # prepare build tree if outside source tree
1211 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1212 # Note 2: /bin/pwd might be better than shell's built-in at getting
1213 # a symlink-free name.
1214 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1218 if test "$no_create" != yes; then
1219 _AS_ECHO_N([preparing build tree... ])
1220 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1221 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1222 || AC_MSG_ERROR(failed)
1226 AC_SUBST(vpath_build)
1229 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1232 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1233 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1234 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1235 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1236 src/include/pg_config_os.h:src/include/port/${template}.h
1237 src/Makefile.port:src/makefiles/Makefile.${template}
1240 AC_CONFIG_HEADERS([src/include/pg_config.h],
1242 # Update timestamp for pg_config.h (see Makefile.global)
1243 echo >src/include/stamp-h