1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.560 2008/05/03 00:24:05 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], [8.4devel], [pgsql-bugs@postgresql.org])
22 m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.61], [], [m4_fatal([Autoconf version 2.61 is required.
23 Untested combinations of 'autoconf' and PostgreSQL versions are not
24 recommended. You can remove the check from 'configure.in' but it is then
25 your responsibility whether the result works or not.])])
26 AC_COPYRIGHT([Copyright (c) 1996-2008, PostgreSQL Global Development Group])
27 AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
28 AC_CONFIG_AUX_DIR(config)
29 AC_PREFIX_DEFAULT(/usr/local/pgsql)
30 AC_SUBST(configure_args, [$ac_configure_args])
32 AC_DEFINE_UNQUOTED(PG_VERSION, "$PACKAGE_VERSION", [PostgreSQL version as a string])
37 AC_MSG_CHECKING([which template to use])
39 PGAC_ARG_REQ(with, template, [],
42 list) echo; ls "$srcdir/src/template"; exit;;
43 *) if test -f "$srcdir/src/template/$with_template" ; then
46 AC_MSG_ERROR(['$withval' is not a valid template name. Use 'list' for a list.])
51 # --with-template not given
55 bsdi*) template=bsdi ;;
56 cygwin*) template=cygwin ;;
57 darwin*) template=darwin ;;
58 dgux*) template=dgux ;;
59 freebsd*) template=freebsd ;;
60 hpux*) template=hpux ;;
61 irix*) template=irix ;;
62 linux*|gnu*|k*bsd*-gnu)
64 mingw*) template=win32 ;;
65 netbsd*) template=netbsd ;;
66 nextstep*) template=nextstep ;;
67 openbsd*) template=openbsd ;;
70 solaris*) template=solaris ;;
71 sunos*) template=sunos4 ;;
74 univel) template=univel ;;
76 sysv4*) template=svr4 ;;
77 sysv5*) template=unixware ;;
78 ultrix*) template=ultrix4 ;;
81 if test x"$template" = x"" ; then
83 *******************************************************************
84 PostgreSQL has apparently not been ported to your platform yet.
85 To try a manual configuration, look into the src/template directory
86 for a similar platform and use the '--with-template=' option.
88 Please also contact <pgsql-ports@postgresql.org> to see about
89 rectifying this. Include the above 'checking host system type...'
91 *******************************************************************
97 AC_MSG_RESULT([$template])
102 # Initialize default assumption that we do not need separate assembly code
103 # for TAS (test-and-set). This can be overridden by the template file
104 # when it's executed.
111 ## Command line options
115 # Add non-standard directories to the include path
117 PGAC_ARG_REQ(with, includes, [ --with-includes=DIRS look for additional header files in DIRS])
121 # Add non-standard directories to the library search path
123 PGAC_ARG_REQ(with, libraries, [ --with-libraries=DIRS look for additional libraries in DIRS],
124 [LIBRARY_DIRS=$withval])
126 PGAC_ARG_REQ(with, libs, [ --with-libs=DIRS alternative spelling of --with-libraries],
127 [LIBRARY_DIRS=$withval])
131 # 64-bit integer date/time storage: enabled by default.
133 AC_MSG_CHECKING([whether to build with 64-bit integer date/time support])
134 PGAC_ARG_BOOL(enable, integer-datetimes, yes, [ --disable-integer-datetimes disable 64-bit integer date/time support],
135 [AC_DEFINE([USE_INTEGER_DATETIMES], 1,
136 [Define to 1 if you want 64-bit integer timestamp and interval support. (--enable-integer-datetimes)])])
137 AC_MSG_RESULT([$enable_integer_datetimes])
143 AC_MSG_CHECKING([whether NLS is wanted])
144 PGAC_ARG_OPTARG(enable, nls,
145 [[ --enable-nls[=LANGUAGES] enable Native Language Support]],
147 [WANTED_LANGUAGES=$enableval],
148 [AC_DEFINE(ENABLE_NLS, 1,
149 [Define to 1 if you want National Language Support. (--enable-nls)])])
150 AC_MSG_RESULT([$enable_nls])
152 AC_SUBST(WANTED_LANGUAGES)
155 # Default port number (--with-pgport), default 5432
157 AC_MSG_CHECKING([for default port number])
158 PGAC_ARG_REQ(with, pgport, [ --with-pgport=PORTNUM set default port number [[5432]]],
159 [default_port=$withval],
161 AC_MSG_RESULT([$default_port])
162 # Need both of these because some places want an integer and some a string
163 AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
164 [Define to the default TCP port number on which the server listens and
165 to which clients will try to connect. This can be overridden at run-time,
166 but it's convenient if your clients have the right default compiled in.
167 (--with-pgport=PORTNUM)])
168 AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
169 [Define to the default TCP port number as a string constant.])
170 AC_SUBST(default_port)
173 # Option to disable shared libraries
175 PGAC_ARG_BOOL(enable, shared, yes,
176 [ --disable-shared do not build shared libraries])
177 AC_SUBST(enable_shared)
180 # '-rpath'-like feature can be disabled
182 PGAC_ARG_BOOL(enable, rpath, yes,
183 [ --disable-rpath do not embed shared library search path in executables])
184 AC_SUBST(enable_rpath)
189 PGAC_ARG_BOOL(enable, spinlocks, yes,
190 [ --disable-spinlocks do not use spinlocks])
193 # --enable-debug adds -g to compiler flags
195 PGAC_ARG_BOOL(enable, debug, no,
196 [ --enable-debug build with debugging symbols (-g)])
197 AC_SUBST(enable_debug)
200 # --enable-profiling enables gcc profiling
202 PGAC_ARG_BOOL(enable, profiling, no,
203 [ --enable-profiling build with profiling enabled ])
204 AC_SUBST(enable_profiling)
209 PGAC_ARG_BOOL(enable, dtrace, no,
210 [ --enable-dtrace build with DTrace support],
211 [AC_DEFINE([ENABLE_DTRACE], 1,
212 [Define to 1 to enable DTrace support. (--enable-dtrace)])
213 AC_CHECK_PROGS(DTRACE, dtrace)
214 if test -z "$DTRACE"; then
215 AC_MSG_ERROR([dtrace not found])
217 AC_SUBST(DTRACEFLAGS)])
218 AC_SUBST(enable_dtrace)
223 AC_MSG_CHECKING([for block size])
224 PGAC_ARG_REQ(with, blocksize, [ --with-blocksize=BLOCKSIZE set table block size in kB [[8]]],
225 [blocksize=$withval],
234 *) AC_MSG_ERROR([Invalid block size. Allowed values are 1,2,4,8,16,32.])
236 AC_MSG_RESULT([${blocksize}kB])
238 AC_DEFINE_UNQUOTED([BLCKSZ], ${BLCKSZ}, [
239 Size of a disk block --- this also limits the size of a tuple. You
240 can set it bigger if you need bigger tuples (although TOAST should
241 reduce the need to have large tuples, since fields can be spread
242 across multiple tuples).
244 BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ
245 is currently 2^15 (32768). This is determined by the 15-bit widths
246 of the lp_off and lp_len fields in ItemIdData (see
247 include/storage/itemid.h).
249 Changing BLCKSZ requires an initdb.
253 # Relation segment size
255 AC_MSG_CHECKING([for segment size])
256 PGAC_ARG_REQ(with, segsize, [ --with-segsize=SEGSIZE set table segment size in GB [[1]]],
259 # this expression is set up to avoid unnecessary integer overflow
260 # blocksize is already guaranteed to be a factor of 1024
261 RELSEG_SIZE=`expr '(' 1024 / ${blocksize} ')' '*' ${segsize} '*' 1024`
262 test $? -eq 0 || exit 1
263 AC_MSG_RESULT([${segsize}GB])
265 AC_DEFINE_UNQUOTED([RELSEG_SIZE], ${RELSEG_SIZE}, [
266 RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
267 Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
268 relations bigger than that are divided into multiple files.
270 RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file size.
271 This is often 2 GB or 4GB in a 32-bit operating system, unless you
272 have large file support enabled. By default, we make the limit 1 GB
273 to avoid any possible integer-overflow problems within the OS.
274 A limit smaller than necessary only means we divide a large
275 relation into more chunks than necessary, so it seems best to err
276 in the direction of a small limit.
278 A power-of-2 value is recommended to save a few cycles in md.c,
279 but is not absolutely required.
281 Changing RELSEG_SIZE requires an initdb.
287 AC_MSG_CHECKING([for WAL block size])
288 PGAC_ARG_REQ(with, wal-blocksize, [ --with-wal-blocksize=BLOCKSIZE set WAL block size in kB [[8]]],
289 [wal_blocksize=$withval],
291 case ${wal_blocksize} in
292 1) XLOG_BLCKSZ=1024;;
293 2) XLOG_BLCKSZ=2048;;
294 4) XLOG_BLCKSZ=4096;;
295 8) XLOG_BLCKSZ=8192;;
296 16) XLOG_BLCKSZ=16384;;
297 32) XLOG_BLCKSZ=32768;;
298 64) XLOG_BLCKSZ=65536;;
299 *) AC_MSG_ERROR([Invalid WAL block size. Allowed values are 1,2,4,8,16,32,64.])
301 AC_MSG_RESULT([${wal_blocksize}kB])
303 AC_DEFINE_UNQUOTED([XLOG_BLCKSZ], ${XLOG_BLCKSZ}, [
304 Size of a WAL file block. This need have no particular relation to BLCKSZ.
305 XLOG_BLCKSZ must be a power of 2, and if your system supports O_DIRECT I/O,
306 XLOG_BLCKSZ must be a multiple of the alignment requirement for direct-I/O
307 buffers, else direct I/O may fail.
309 Changing XLOG_BLCKSZ requires an initdb.
315 AC_MSG_CHECKING([for WAL segment size])
316 PGAC_ARG_REQ(with, wal-segsize, [ --with-wal-segsize=SEGSIZE set WAL segment size in MB [[16]]],
317 [wal_segsize=$withval],
319 case ${wal_segsize} in
327 *) AC_MSG_ERROR([Invalid WAL segment size. Allowed values are 1,2,4,8,16,32,64.])
329 AC_MSG_RESULT([${wal_segsize}MB])
331 AC_DEFINE_UNQUOTED([XLOG_SEG_SIZE], [(${wal_segsize} * 1024 * 1024)], [
332 XLOG_SEG_SIZE is the size of a single WAL file. This must be a power of 2
333 and larger than XLOG_BLCKSZ (preferably, a great deal larger than
336 Changing XLOG_SEG_SIZE requires an initdb.
343 # For historical reasons you can also use --with-CC to specify the C compiler
344 # to use, although the standard way to do this is to set the CC environment
346 PGAC_ARG_REQ(with, CC, [], [CC=$with_CC])
349 aix) pgac_cc_list="gcc xlc";;
350 irix) pgac_cc_list="cc";; # no gcc
351 *) pgac_cc_list="gcc cc";;
354 AC_PROG_CC([$pgac_cc_list])
356 # Check if it's Intel's compiler, which (usually) pretends to be gcc,
357 # but has idiosyncrasies of its own. We assume icc will define
358 # __INTEL_COMPILER regardless of CFLAGS.
359 AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
361 @%:@endif], [ICC=[yes]], [ICC=[no]])
368 . "$srcdir/src/template/$template" || exit
370 # CFLAGS are selected so:
371 # If the user specifies something in the environment, that is used.
372 # else: If the template file set something, that is used.
373 # else: If the compiler is GCC, then we use -O2.
374 # else: If the compiler is something else, then we use -0.
376 if test "$ac_env_CFLAGS_set" = set; then
377 CFLAGS=$ac_env_CFLAGS_value
378 elif test "${CFLAGS+set}" = set; then
379 : # (keep what template set)
380 elif test "$GCC" = yes; then
383 # if the user selected debug mode, don't use -O
384 if test "$enable_debug" != yes; then
389 # Some versions of GCC support some additional useful warning flags.
390 # Check whether they are supported, and add them to CFLAGS if so.
391 # ICC pretends to be GCC but it's lying; it doesn't support these options.
393 if test "$GCC" = yes -a "$ICC" = no; then
394 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wpointer-arith -Winline"
395 # These work in some but not all gcc versions
396 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
397 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
398 # Disable strict-aliasing rules; needed for gcc 3.3+
399 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
400 # Disable optimizations that assume no overflow; needed for gcc 4.3+
401 PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
402 elif test "$ICC" = yes; then
403 # Intel's compiler has a bug/misoptimization in checking for
404 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
405 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
406 # Make sure strict aliasing is off (though this is said to be the default)
407 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
408 elif test x"${CC}" = x"xlc"; then
409 # AIX xlc has to have strict aliasing turned off too
410 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
413 # supply -g if --enable-debug
414 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
418 # enable profiling if --enable-profiling
419 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
420 if test "$GCC" = yes; then
421 AC_DEFINE([PROFILE_PID_DIR], 1,
422 [Define to 1 to allow profiling output to be saved separately for each process.])
423 CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
425 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
429 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
431 # We already have this in Makefile.win32, but configure needs it too
432 if test "$PORTNAME" = "win32"; then
433 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
436 # Check if the compiler still works with the template settings
437 AC_MSG_CHECKING([whether the C compiler still works])
438 AC_TRY_LINK([], [return 0;],
439 [AC_MSG_RESULT(yes)],
441 AC_MSG_ERROR([cannot proceed])])
443 # Defend against gcc -ffast-math
444 if test "$GCC" = yes; then
445 AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
447 @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
453 # Create compiler version string
454 if test x"$GCC" = x"yes" ; then
455 cc_string="GCC `${CC} --version | sed q`"
459 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
460 ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
461 [A string containing the version number, platform, and C compiler])
465 # Set up TAS assembly code if needed; the template file has now had its
466 # chance to request this.
468 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
470 if test "$need_tas" = yes ; then
479 # Automatic dependency tracking
481 PGAC_ARG_BOOL(enable, depend, no, [ --enable-depend turn on automatic dependency tracking],
487 # Enable assert checks
489 PGAC_ARG_BOOL(enable, cassert, no, [ --enable-cassert enable assertion checks (for debugging)],
490 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
491 [Define to 1 to build with assertion checks. (--enable-cassert)])])
495 # Include directories
498 IFS="${IFS}${PATH_SEPARATOR}"
499 # SRCH_INC comes from the template file
500 for dir in $with_includes $SRCH_INC; do
501 if test -d "$dir"; then
502 INCLUDES="$INCLUDES -I$dir"
504 AC_MSG_WARN([*** Include directory $dir does not exist.])
512 # Library directories
515 IFS="${IFS}${PATH_SEPARATOR}"
516 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
517 for dir in $LIBRARY_DIRS $SRCH_LIB; do
518 if test -d "$dir"; then
519 LIBDIRS="$LIBDIRS -L$dir"
521 AC_MSG_WARN([*** Library directory $dir does not exist.])
527 # Enable thread-safe client libraries
529 AC_MSG_CHECKING([allow thread-safe client libraries])
530 if test "$PORTNAME" != "win32"; then
531 PGAC_ARG_BOOL(enable, thread-safety, no, [ --enable-thread-safety make client libraries thread-safe])
533 # Win32 should always use threads
534 PGAC_ARG_BOOL(enable, thread-safety, yes, [ --enable-thread-safety make client libraries thread-safe])
537 PGAC_ARG_BOOL(enable, thread-safety-force, no, [ --enable-thread-safety-force force thread-safety despite thread test failure])
538 if test "$enable_thread_safety" = yes -o \
539 "$enable_thread_safety_force" = yes; then
540 enable_thread_safety="yes" # for 'force'
541 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
542 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
544 AC_MSG_RESULT([$enable_thread_safety])
545 AC_SUBST(enable_thread_safety)
548 # Optionally build Tcl modules (PL/Tcl)
550 AC_MSG_CHECKING([whether to build with Tcl])
551 PGAC_ARG_BOOL(with, tcl, no, [ --with-tcl build Tcl modules (PL/Tcl)])
552 AC_MSG_RESULT([$with_tcl])
555 # We see if the path to the Tcl/Tk configuration scripts is specified.
556 # This will override the use of tclsh to find the paths to search.
558 PGAC_ARG_REQ(with, tclconfig, [ --with-tclconfig=DIR tclConfig.sh is in DIR])
561 # Optionally build Perl modules (PL/Perl)
563 AC_MSG_CHECKING([whether to build Perl modules])
564 PGAC_ARG_BOOL(with, perl, no, [ --with-perl build Perl modules (PL/Perl)])
565 AC_MSG_RESULT([$with_perl])
569 # Optionally build Python modules (PL/Python)
571 AC_MSG_CHECKING([whether to build Python modules])
572 PGAC_ARG_BOOL(with, python, no, [ --with-python build Python modules (PL/Python)])
573 AC_MSG_RESULT([$with_python])
574 AC_SUBST(with_python)
579 AC_MSG_CHECKING([whether to build with GSSAPI support])
580 PGAC_ARG_BOOL(with, gssapi, no, [ --with-gssapi build with GSSAPI support],
582 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
583 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
585 AC_MSG_RESULT([$with_gssapi])
586 AC_SUBST(with_gssapi)
591 AC_MSG_CHECKING([whether to build with Kerberos 5 support])
592 PGAC_ARG_BOOL(with, krb5, no, [ --with-krb5 build with Kerberos 5 support],
594 AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
595 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
597 AC_MSG_RESULT([$with_krb5])
605 # Kerberos configuration parameters
607 PGAC_ARG_REQ(with, krb-srvnam,
608 [ --with-krb-srvnam=NAME default service principal name in Kerberos [[postgres]]],
610 [with_krb_srvnam="postgres"])
611 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
612 [Define to the name of the default PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
618 AC_MSG_CHECKING([whether to build with PAM support])
619 PGAC_ARG_BOOL(with, pam, no,
620 [ --with-pam build with PAM support],
621 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
622 AC_MSG_RESULT([$with_pam])
629 AC_MSG_CHECKING([whether to build with LDAP support])
630 PGAC_ARG_BOOL(with, ldap, no,
631 [ --with-ldap build with LDAP support],
632 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
633 AC_MSG_RESULT([$with_ldap])
640 AC_MSG_CHECKING([whether to build with Bonjour support])
641 PGAC_ARG_BOOL(with, bonjour, no,
642 [ --with-bonjour build with Bonjour support],
643 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
644 AC_MSG_RESULT([$with_bonjour])
645 AC_SUBST(with_bonjour)
651 AC_MSG_CHECKING([whether to build with OpenSSL support])
652 PGAC_ARG_BOOL(with, openssl, no, [ --with-openssl build with OpenSSL support],
653 [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
654 AC_MSG_RESULT([$with_openssl])
655 AC_SUBST(with_openssl)
661 PGAC_ARG_BOOL(with, readline, yes,
662 [ --without-readline do not use GNU Readline nor BSD Libedit for editing])
663 # readline on MinGW has problems with backslashes in psql and other bugs.
664 # This is particularly a problem with non-US code pages.
665 # Therefore disable its use until we understand the cause. 2004-07-20
666 if test "$PORTNAME" = "win32"; then
667 if test "$with_readline" = yes; then
668 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
677 PGAC_ARG_BOOL(with, libedit-preferred, no,
678 [ --with-libedit-preferred prefer BSD Libedit over GNU Readline])
684 PGAC_ARG_BOOL(with, ossp-uuid, no, [ --with-ossp-uuid use OSSP UUID library when building contrib/uuid-ossp])
685 AC_SUBST(with_ossp_uuid)
691 PGAC_ARG_BOOL(with, libxml, no, [ --with-libxml build with XML support],
692 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
694 if test "$with_libxml" = yes ; then
695 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
696 if test -n "$XML2_CONFIG"; then
697 for pgac_option in `$XML2_CONFIG --cflags`; do
699 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
702 for pgac_option in `$XML2_CONFIG --libs`; do
704 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
710 AC_SUBST(with_libxml)
715 PGAC_ARG_BOOL(with, libxslt, no, [ --with-libxslt use XSLT support when building contrib/xml2],
716 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
719 AC_SUBST(with_libxslt)
724 PGAC_ARG_REQ(with, system-tzdata,
725 [ --with-system-tzdata=DIR use system time zone data in DIR])
726 AC_SUBST(with_system_tzdata)
731 PGAC_ARG_BOOL(with, zlib, yes,
732 [ --without-zlib do not use Zlib])
739 # Assume system is ELF if it predefines __ELF__ as 1,
740 # otherwise believe host_os based default.
742 freebsd1*|freebsd2*) elf=no;;
743 freebsd3*|freebsd4*) elf=yes;;
752 [if test "X$elf" = "Xyes" ; then
763 CPPFLAGS="$CPPFLAGS $INCLUDES"
764 LDFLAGS="$LDFLAGS $LIBDIRS"
766 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
767 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
769 AC_ARG_VAR(LDFLAGS_SL)
773 AC_SUBST(with_gnu_ld)
774 case $host_os in sysv5*)
775 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
777 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
778 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
779 LDFLAGS=$pgac_save_LDFLAGS
781 ld_R_works=$pgac_cv_prog_ld_R
787 AC_PATH_PROG(TAR, tar)
795 if test "$with_perl" = yes; then
796 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
797 PGAC_CHECK_PERL_EMBED_LDFLAGS
800 if test "$with_python" = yes; then
802 PGAC_CHECK_PYTHON_EMBED_SETUP
805 # Supply a numeric version string for use by 3rd party add-ons
806 # awk -F is a regex on some platforms, and not on others, so make "." a tab
807 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
809 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
810 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
815 ## Most libraries are included only if they demonstrably provide a function
816 ## we need, but libm is an exception: always include it, because there are
817 ## too many compilers that play cute optimization games that will break
818 ## probes for standard functions such as pow().
821 AC_CHECK_LIB(m, main)
822 AC_SEARCH_LIBS(setproctitle, util)
823 AC_SEARCH_LIBS(dlopen, dl)
824 AC_SEARCH_LIBS(socket, [socket wsock32])
825 AC_SEARCH_LIBS(shl_load, dld)
826 # We only use libld in port/dynloader/aix.c
829 AC_SEARCH_LIBS(ldopen, ld)
832 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
833 AC_SEARCH_LIBS(crypt, crypt)
835 AC_SEARCH_LIBS(fdatasync, [rt posix4])
837 AC_SEARCH_LIBS(shmget, cygipc)
839 if test "$with_readline" = yes; then
841 if test x"$pgac_cv_check_readline" = x"no"; then
842 AC_MSG_ERROR([readline library not found
843 If you have readline already installed, see config.log for details on the
844 failure. It is possible the compiler isn't looking in the proper directory.
845 Use --without-readline to disable readline support.])
849 if test "$with_zlib" = yes; then
850 AC_CHECK_LIB(z, inflate, [],
851 [AC_MSG_ERROR([zlib library not found
852 If you have zlib already installed, see config.log for details on the
853 failure. It is possible the compiler isn't looking in the proper directory.
854 Use --without-zlib to disable zlib support.])])
857 if test "$enable_spinlocks" = yes; then
858 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
861 *** Not using spinlocks will cause poor performance.])
864 if test "$with_gssapi" = yes ; then
865 if test "$PORTNAME" != "win32"; then
866 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
867 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
869 LIBS="$LIBS -lgssapi32"
873 if test "$with_krb5" = yes ; then
874 if test "$PORTNAME" != "win32"; then
875 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken' com_err], [],
876 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
877 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken'], [],
878 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
880 AC_SEARCH_LIBS(com_err, 'comerr32 -lkrb5_32', [],
881 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
885 if test "$with_openssl" = yes ; then
887 if test "$PORTNAME" != "win32"; then
888 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
889 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
891 AC_CHECK_LIB(eay32, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'eay32' is required for OpenSSL])])
892 AC_CHECK_LIB(ssleay32, SSL_library_init, [], [AC_MSG_ERROR([library 'ssleay32' is required for OpenSSL])])
896 if test "$with_pam" = yes ; then
897 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
900 if test "$with_libxml" = yes ; then
901 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
904 if test "$with_libxslt" = yes ; then
905 AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
908 # for contrib/uuid-ossp
909 if test "$with_ossp_uuid" = yes ; then
910 AC_CHECK_LIB(ossp-uuid, uuid_export,
911 [OSSP_UUID_LIBS="-lossp-uuid"],
912 [AC_CHECK_LIB(uuid, uuid_export,
913 [OSSP_UUID_LIBS="-luuid"],
914 [AC_MSG_ERROR([library 'ossp-uuid' or 'uuid' is required for OSSP-UUID])])])
916 AC_SUBST(OSSP_UUID_LIBS)
923 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
924 AC_CHECK_HEADERS([crypt.h dld.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/tas.h sys/time.h sys/un.h termios.h utime.h wchar.h wctype.h kernel/OS.h kernel/image.h SupportDefs.h])
926 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
927 # netinet/in.h is included first.
928 AC_CHECK_HEADERS(netinet/in.h)
929 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
931 #ifdef HAVE_NETINET_IN_H
932 #include <netinet/in.h>
936 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
937 AC_CHECK_HEADERS(readline/readline.h, [],
938 [AC_CHECK_HEADERS(readline.h, [],
939 [AC_MSG_ERROR([readline header not found
940 If you have readline already installed, see config.log for details on the
941 failure. It is possible the compiler isn't looking in the proper directory.
942 Use --without-readline to disable readline support.])])])
943 AC_CHECK_HEADERS(readline/history.h, [],
944 [AC_CHECK_HEADERS(history.h, [],
945 [AC_MSG_ERROR([history header not found
946 If you have readline already installed, see config.log for details on the
947 failure. It is possible the compiler isn't looking in the proper directory.
948 Use --without-readline to disable readline support.])])])
951 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
952 # Some installations of libedit usurp /usr/include/readline/, which seems
953 # bad practice, since in combined installations readline will have its headers
954 # there. We might have to resort to AC_EGREP checks to make sure we found
955 # the proper header...
956 AC_CHECK_HEADERS(editline/readline.h, [],
957 [AC_CHECK_HEADERS(readline.h, [],
958 [AC_CHECK_HEADERS(readline/readline.h, [],
959 [AC_MSG_ERROR([readline header not found
960 If you have libedit already installed, see config.log for details on the
961 failure. It is possible the compiler isn't looking in the proper directory.
962 Use --without-readline to disable libedit support.])])])])
963 # Note: in a libedit installation, history.h is sometimes a dummy, and may
964 # not be there at all. Hence, don't complain if not found. We must check
965 # though, since in yet other versions it is an independent header.
966 AC_CHECK_HEADERS(editline/history.h, [],
967 [AC_CHECK_HEADERS(history.h, [],
968 [AC_CHECK_HEADERS(readline/history.h)])])
971 if test "$with_zlib" = yes; then
972 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
973 If you have zlib already installed, see config.log for details on the
974 failure. It is possible the compiler isn't looking in the proper directory.
975 Use --without-zlib to disable zlib support.])])
978 if test "$with_gssapi" = yes ; then
979 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
980 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
983 if test "$with_krb5" = yes ; then
984 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
987 if test "$with_openssl" = yes ; then
988 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
989 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
990 AC_CHECK_FUNCS([ERR_set_mark])
993 if test "$with_pam" = yes ; then
994 AC_CHECK_HEADERS(security/pam_appl.h, [],
995 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
996 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
999 if test "$with_libxml" = yes ; then
1000 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
1003 if test "$with_libxslt" = yes ; then
1004 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
1007 if test "$with_ldap" = yes ; then
1008 if test "$PORTNAME" != "win32"; then
1009 AC_CHECK_HEADERS(ldap.h, [],
1010 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
1012 AC_CHECK_HEADERS(winldap.h, [],
1013 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
1014 [AC_INCLUDES_DEFAULT
1015 #include <windows.h>
1020 if test "$with_bonjour" = yes ; then
1021 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Bonjour])])
1024 # for contrib/uuid-ossp
1025 if test "$with_ossp_uuid" = yes ; then
1026 AC_CHECK_HEADERS(ossp/uuid.h, [], [
1027 AC_CHECK_HEADERS(uuid.h, [],
1028 [AC_MSG_ERROR([header file <ossp/uuid.h> or <uuid.h> is required for OSSP-UUID])])])
1033 ## Types, structures, compiler characteristics
1036 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1043 PGAC_C_FUNCNAME_SUPPORT
1044 PGAC_STRUCT_TIMEZONE
1046 PGAC_STRUCT_SOCKADDR_UN
1047 PGAC_STRUCT_SOCKADDR_STORAGE
1048 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1049 PGAC_STRUCT_ADDRINFO
1051 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
1052 [#include <sys/param.h>
1053 #include <sys/types.h>
1054 #include <sys/socket.h>
1055 #include <sys/ucred.h>])
1057 AC_CHECK_TYPES([struct option], [], [],
1058 [#ifdef HAVE_GETOPT_H
1062 if test "$with_zlib" = yes; then
1063 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
1064 # did not). While we could work around the lack of z_streamp, it
1065 # seems unwise to encourage people to use such old zlib versions...
1066 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
1067 Use --without-zlib to disable zlib support.])],
1068 [#include <zlib.h>])
1071 if test "$with_krb5" = yes; then
1072 # Check for differences between MIT and Heimdal (KTH) releases
1073 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
1074 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
1075 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
1076 [#include <krb5.h>])],
1077 [#include <krb5.h>])
1078 AC_CHECK_MEMBERS(krb5_error.text.data, [],
1079 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
1080 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
1081 [#include <krb5.h>])],
1082 [#include <krb5.h>])
1084 # Win32 requires headers to be loaded for __stdcall, so can't use
1085 # AC_CHECK_FUNCS here.
1086 AC_MSG_CHECKING(for krb5_free_unparsed_name)
1087 AC_TRY_LINK([#include <krb5.h>],
1088 [krb5_free_unparsed_name(NULL,NULL);],
1089 [AC_DEFINE(HAVE_KRB5_FREE_UNPARSED_NAME, 1, [Define to 1 if you have krb5_free_unparsed_name])
1090 AC_MSG_RESULT(yes)],
1091 [AC_MSG_RESULT(no)])
1096 ## Functions, global variables
1099 PGAC_VAR_INT_TIMEZONE
1100 AC_FUNC_ACCEPT_ARGTYPES
1101 PGAC_FUNC_GETTIMEOFDAY_1ARG
1103 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
1105 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1106 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
1107 AC_CHECK_DECLS([strlcat, strlcpy])
1108 # This is probably only present on Darwin, but may as well check always
1109 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
1112 AC_CHECK_TYPE([struct sockaddr_in6],
1113 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
1116 [$ac_includes_default
1117 #include <netinet/in.h>])
1120 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
1122 [#include <machine/vmparam.h>
1123 #include <sys/exec.h>
1125 [PS_STRINGS->ps_nargvstr = 1;
1126 PS_STRINGS->ps_argvstr = "foo";],
1127 [pgac_cv_var_PS_STRINGS=yes],
1128 [pgac_cv_var_PS_STRINGS=no])])
1129 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1130 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
1134 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1135 # is missing. Yes, there are machines that have only one. We may
1136 # also decide to use snprintf.c if snprintf() is present but does not
1137 # have all the features we need --- see below.
1139 if test "$PORTNAME" = "win32"; then
1140 # Win32 gets snprintf.c built unconditionally.
1142 # To properly translate all NLS languages strings, we must support the
1143 # *printf() %$ format, which allows *printf() arguments to be selected
1144 # by position in the translated string.
1146 # libintl versions < 0.13 use the native *printf() functions, and Win32
1147 # *printf() doesn't understand %$, so we must use our /port versions,
1148 # which do understand %$. libintl versions >= 0.13 include their own
1149 # *printf versions on Win32. The libintl 0.13 release note text is:
1151 # C format strings with positions, as they arise when a translator
1152 # needs to reorder a sentence, are now supported on all platforms.
1153 # On those few platforms (NetBSD and Woe32) for which the native
1154 # printf()/fprintf()/... functions don't support such format
1155 # strings, replacements are provided through <libintl.h>.
1157 # We could use libintl >= 0.13's *printf() if we were sure that we had
1158 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1159 # to guarantee that, it is best to just use our own, so we are sure to
1160 # get %$ support. In include/port.h we disable the *printf() macros
1161 # that might have been defined by libintl.
1163 # We do this unconditionally whether NLS is used or not so we are sure
1164 # that all Win32 libraries and binaries behave the same.
1165 pgac_need_repl_snprintf=yes
1167 pgac_need_repl_snprintf=no
1168 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1169 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1173 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1174 # include/c.h will provide declarations. Note this is a separate test
1175 # from whether the functions exist in the C library --- there are
1176 # systems that have the functions but don't bother to declare them :-(
1178 AC_CHECK_DECLS([snprintf, vsnprintf])
1181 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1182 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1187 [return isinf(glob_double) ? 0 : 1;],
1188 [ac_cv_func_isinf=yes],
1189 [ac_cv_func_isinf=no])])
1191 if test $ac_cv_func_isinf = yes ; then
1192 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1195 # Look for a way to implement a substitute for isinf()
1196 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1199 # Some versions of libedit contain strlcpy(); so disregard that library while
1200 # checking for these standard libc functions.
1201 pgac_save_LIBS="$LIBS"
1202 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1204 AC_REPLACE_FUNCS([crypt getopt getrusage inet_aton random rint srandom strdup strerror strlcat strlcpy strtol strtoul unsetenv])
1206 LIBS="$pgac_save_LIBS"
1208 # System's version of getaddrinfo(), if any, may be used only if we found
1209 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1210 # (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
1211 # versions of getaddrinfo don't follow normal C call protocol. This is OK
1212 # because we want to use our own getaddrinfo.c on Windows anyway.)
1213 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
1214 AC_REPLACE_FUNCS([getaddrinfo])
1216 AC_LIBOBJ(getaddrinfo)
1219 # Similarly, use system's getopt_long() only if system provides struct option.
1220 # Solaris' getopt() doesn't do what we want for long options, so always use
1221 # our versions on that platform.
1222 if test "$PORTNAME" = "solaris"; then
1224 AC_LIBOBJ(getopt_long)
1225 elif test x"$ac_cv_type_struct_option" = xyes ; then
1226 AC_REPLACE_FUNCS([getopt_long])
1228 AC_LIBOBJ(getopt_long)
1232 if test "$PORTNAME" = "win32"; then
1233 AC_REPLACE_FUNCS(gettimeofday)
1237 AC_LIBOBJ(win32error)
1238 AC_DEFINE([HAVE_SYMLINK], 1,
1239 [Define to 1 if you have the `symlink' function.])
1242 if test "$with_readline" = yes; then
1243 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1244 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
1245 AC_CHECK_FUNCS([replace_history_entry])
1249 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
1250 dnl (especially on GNU libc)
1251 dnl See also comments in c.h.
1252 AC_MSG_CHECKING(for sigsetjmp)
1253 AC_TRY_LINK([#include <setjmp.h>],
1254 [sigjmp_buf x; sigsetjmp(x, 1);],
1255 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1256 AC_MSG_RESULT(yes)],
1257 [AC_MSG_RESULT(no)])
1261 AC_CHECK_FUNC(syslog,
1262 [AC_CHECK_HEADER(syslog.h,
1263 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1265 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1266 [AC_TRY_LINK([#include <unistd.h>],
1267 [extern int optreset; optreset = 1;],
1268 [pgac_cv_var_int_optreset=yes],
1269 [pgac_cv_var_int_optreset=no])])
1270 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1271 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1274 AC_CHECK_FUNCS([strtoll strtoq], [break])
1275 AC_CHECK_FUNCS([strtoull strtouq], [break])
1277 # Check for one of atexit() or on_exit()
1278 AC_CHECK_FUNCS(atexit, [],
1279 [AC_CHECK_FUNCS(on_exit, [],
1280 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1282 AC_REPLACE_FUNCS(fseeko)
1284 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
1286 AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 because replacement version used.])
1287 ac_cv_func_fseeko=yes;;
1296 # For each platform, we need to know about any special compile and link
1297 # libraries, and whether the normal C function names are thread-safe.
1298 # See the comment at the top of src/port/thread.c for more information.
1299 # WIN32 doesn't need the pthread tests; it always uses threads
1300 if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
1301 ACX_PTHREAD # set thread flags
1303 # Some platforms use these, so just defineed them. They can't hurt if they
1304 # are not supported.
1305 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
1308 # At this point, we don't want to muck with the compiler name for threading.
1309 # Let's see who fails, perhaps AIX. 2004-04-23
1310 if test "$PTHREAD_CC" != "$CC"; then
1312 PostgreSQL does not support platforms that require a special compiler
1313 for thread safety.])
1316 if test "$THREAD_SUPPORT" = no; then
1317 AC_MSG_ERROR([cannot enable threads on this platform
1318 This platform is known to not support thread-safe programs. For details,
1319 compile and run src/bin/pg_thread_test.])
1322 # Check for *_r functions
1325 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1326 LIBS="$LIBS $PTHREAD_LIBS"
1328 if test "$PORTNAME" != "win32"; then
1329 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1332 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1334 # Do test here with the proper thread flags
1335 PGAC_FUNC_GETPWUID_R_5ARG
1336 PGAC_FUNC_STRERROR_R_INT
1342 # do not use values from template file
1347 AC_SUBST(PTHREAD_CFLAGS)
1348 AC_SUBST(PTHREAD_LIBS)
1351 # We can test for libldap_r only after we know PTHREAD_LIBS
1352 if test "$with_ldap" = yes ; then
1354 if test "$PORTNAME" != "win32"; then
1355 AC_CHECK_LIB(ldap, ldap_bind, [],
1356 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1358 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1359 if test "$enable_thread_safety" = yes; then
1360 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1361 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1362 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1363 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1364 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1366 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1369 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1370 LDAP_LIBS_FE="-lwldap32"
1371 LDAP_LIBS_BE="-lwldap32"
1375 AC_SUBST(LDAP_LIBS_FE)
1376 AC_SUBST(LDAP_LIBS_BE)
1379 # This test makes sure that run tests work at all. Sometimes a shared
1380 # library is found by the linker, but the runtime linker can't find it.
1381 # This check should come after all modifications of compiler or linker
1382 # variables, and before any other run tests.
1383 AC_MSG_CHECKING([test program])
1384 AC_TRY_RUN([int main() { return 0; }],
1385 [AC_MSG_RESULT(ok)],
1386 [AC_MSG_RESULT(failed)
1388 Could not execute a simple test program. This may be a problem
1389 related to locating shared libraries. Check the file 'config.log'
1390 for the exact reason.]])],
1391 [AC_MSG_RESULT([cross-compiling])])
1393 # --------------------
1394 # Run tests below here
1395 # --------------------
1397 # Force use of our snprintf if system's doesn't do arg control
1398 # See comment above at snprintf test for details.
1399 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1400 PGAC_FUNC_PRINTF_ARG_CONTROL
1401 if test $pgac_cv_printf_arg_control != yes ; then
1402 pgac_need_repl_snprintf=yes
1407 dnl Check to see if we have a working 64-bit integer type.
1408 dnl This breaks down into two steps:
1409 dnl (1) figure out if the compiler has a 64-bit int type with working
1410 dnl arithmetic, and if so
1411 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1412 dnl snprintf is the only library routine we really need for int8 support.)
1413 dnl It's entirely possible to have a compiler that handles a 64-bit type
1414 dnl when the C library doesn't; this is fairly likely when using gcc on
1415 dnl an older platform, for example.
1416 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1417 dnl we force our own version of snprintf() to be used instead.
1418 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1420 PGAC_TYPE_64BIT_INT([long int])
1422 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1423 PGAC_TYPE_64BIT_INT([long long int])
1427 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1429 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1431 #define INT64CONST(x) x##LL
1432 long long int foo = INT64CONST(0x1234567890123456);
1435 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1440 # If we found "long int" is 64 bits, assume snprintf handles it. If
1441 # we found we need to use "long long int", better check. We cope with
1442 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1443 # work, fall back to our own snprintf emulation (which we know uses %lld).
1445 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1446 if test $pgac_need_repl_snprintf = no; then
1447 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1448 if test "$LONG_LONG_INT_FORMAT" = ""; then
1449 # Force usage of our own snprintf, since system snprintf is broken
1450 pgac_need_repl_snprintf=yes
1451 LONG_LONG_INT_FORMAT='%lld'
1454 # Here if we previously decided we needed to use our own snprintf
1455 LONG_LONG_INT_FORMAT='%lld'
1457 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1458 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1459 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1461 # Here if we are not using 'long long int' at all
1462 INT64_FORMAT='"%ld"'
1463 UINT64_FORMAT='"%lu"'
1466 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1467 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1469 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1470 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1472 # Now we have checked all the reasons to replace snprintf
1473 if test $pgac_need_repl_snprintf = yes; then
1474 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1478 # Need a #define for the size of Datum (unsigned long)
1479 AC_CHECK_SIZEOF([unsigned long])
1481 # And one for the size of size_t (enables tweaks for > 32bit address space)
1482 AC_CHECK_SIZEOF([size_t])
1484 # Decide whether float4 is passed by value: user-selectable, enabled by default
1485 AC_MSG_CHECKING([whether to build with float4 passed by value])
1486 PGAC_ARG_BOOL(enable, float4-byval, yes, [ --disable-float4-byval disable float4 passed by value],
1487 [AC_DEFINE([USE_FLOAT4_BYVAL], 1,
1488 [Define to 1 if you want float4 values to be passed by value. (--enable-float4-byval)])
1489 float4passbyval=true],
1490 [float4passbyval=false])
1491 AC_MSG_RESULT([$enable_float4_byval])
1492 AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are passed by value if 'true', by reference if 'false'])
1494 # Decide whether float8 is passed by value.
1495 # Note: this setting also controls int8 and related types such as timestamp.
1496 # If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
1497 # If not, trying to select it is an error.
1498 AC_MSG_CHECKING([whether to build with float8 passed by value])
1499 if test $ac_cv_sizeof_unsigned_long -ge 8 ; then
1500 PGAC_ARG_BOOL(enable, float8-byval, yes, [ --disable-float8-byval disable float8 passed by value])
1502 PGAC_ARG_BOOL(enable, float8-byval, no, [ --disable-float8-byval disable float8 passed by value])
1503 if test "$enable_float8_byval" = yes ; then
1504 AC_MSG_ERROR([--enable-float8-byval is not supported on 32-bit platforms.])
1507 if test "$enable_float8_byval" = yes ; then
1508 AC_DEFINE([USE_FLOAT8_BYVAL], 1,
1509 [Define to 1 if you want float8, int8, etc values to be passed by value. (--enable-float8-byval)])
1510 float8passbyval=true
1512 float8passbyval=false
1514 AC_MSG_RESULT([$enable_float8_byval])
1515 AC_DEFINE_UNQUOTED([FLOAT8PASSBYVAL], [$float8passbyval], [float8, int8, and related values are passed by value if 'true', by reference if 'false'])
1517 # Determine memory alignment requirements for the basic C data types.
1519 AC_CHECK_ALIGNOF(short)
1520 AC_CHECK_ALIGNOF(int)
1521 AC_CHECK_ALIGNOF(long)
1522 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1523 AC_CHECK_ALIGNOF(long long int)
1525 AC_CHECK_ALIGNOF(double)
1527 # Compute maximum alignment of any basic type.
1528 # We assume long's alignment is at least as strong as char, short, or int;
1529 # but we must check long long (if it exists) and double.
1531 MAX_ALIGNOF=$ac_cv_alignof_long
1532 if test $MAX_ALIGNOF -lt $ac_cv_alignof_double ; then
1533 MAX_ALIGNOF=$ac_cv_alignof_double
1535 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ; then
1536 MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
1538 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1541 # Some platforms predefine the types int8, int16, etc. Only check
1542 # a (hopefully) representative subset.
1543 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1545 #ifdef HAVE_SUPPORTDEFS_H
1546 #include <SupportDefs.h>
1549 # We also check for sig_atomic_t, which *should* be defined per ANSI
1550 # C, but is missing on some old platforms.
1551 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1554 # If the user did not disable integer datetimes, check that
1555 # there is a working 64-bit integral type to use.
1556 if test x"$USE_INTEGER_DATETIMES" = x"yes" &&
1557 test x"$HAVE_LONG_INT_64" = x"no" &&
1558 test x"$HAVE_LONG_LONG_INT_64" = x"no" &&
1559 test x"$HAVE_INT64" = x"no" ; then
1561 Integer-based datetime support requires a 64-bit integer type,
1562 but no such type could be found. The --disable-integer-datetimes
1563 configure option can be used to disable integer-based storage
1564 of datetime values.])
1568 if test "$PORTNAME" != "win32"
1570 PGAC_FUNC_POSIX_SIGNALS
1571 if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
1573 Thread-safety requires POSIX signals, which are not supported by this
1578 if test $ac_cv_func_fseeko = yes; then
1582 # Check for largefile support (must be after AC_SYS_LARGEFILE)
1583 AC_CHECK_SIZEOF([off_t])
1585 # If we don't have largefile support, can't handle segsize >= 2GB.
1586 if test "$ac_cv_sizeof_off_t" -lt 8 -a "$segsize" != "1"; then
1587 AC_MSG_ERROR([Large file support is not enabled. Segment size cannot be larger than 1GB.])
1590 # SunOS doesn't handle negative byte comparisons properly with +/- return
1594 # Select semaphore implementation type.
1595 if test "$PORTNAME" != "win32"; then
1596 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1597 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1598 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1600 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1601 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1602 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1604 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1605 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1609 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1610 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1614 # Select shared-memory implementation type.
1615 if test "$PORTNAME" != "win32"; then
1616 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1617 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1619 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1620 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1623 # If not set in template file, set bytes to use libc memset()
1624 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1625 MEMSET_LOOP_LIMIT=1024
1627 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1630 if test "$enable_nls" = yes ; then
1634 # Check for Tcl configuration script tclConfig.sh
1635 if test "$with_tcl" = yes; then
1636 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1637 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1638 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1639 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1640 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1641 ac_save_CPPFLAGS=$CPPFLAGS
1642 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1643 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1644 CPPFLAGS=$ac_save_CPPFLAGS
1648 # Check for DocBook and tools
1652 PGAC_CHECK_DOCBOOK(4.2)
1653 PGAC_PATH_DOCBOOK_STYLESHEETS
1654 PGAC_PATH_COLLATEINDEX
1655 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1659 # We have to run the thread test near the end so we have all our symbols
1660 # defined. Cross compiling throws a warning.
1662 if test "$enable_thread_safety_force" = yes; then
1663 if test "$PORTNAME" != "win32"
1666 *** Skipping thread test program. --enable-thread-safety-force was used.
1667 *** Run the program in src/test/thread on the your machine and add proper
1668 *** locking function calls to your applications to guarantee thread safety.
1671 AC_MSG_WARN([*** skipping thread test on Win32])
1673 elif test "$enable_thread_safety" = yes; then
1674 if test "$PORTNAME" != "win32"
1676 AC_MSG_CHECKING([thread safety of required library functions])
1680 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
1681 LIBS="$LIBS $PTHREAD_LIBS"
1682 AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
1683 [AC_MSG_RESULT(yes)],
1685 AC_MSG_ERROR([thread test program failed
1686 This platform is not thread-safe. Check the file 'config.log'for the
1689 You can use the configure option --enable-thread-safety-force to force
1690 threads to be enabled. But you must then run the program in
1691 src/test/thread and add locking function calls to your applications to
1692 guarantee thread safety.])],
1693 [AC_MSG_RESULT(maybe)
1695 *** Skipping thread test program because of cross-compile build.
1696 *** Run the program in src/test/thread on the target machine.
1701 AC_MSG_WARN([*** skipping thread test on Win32])
1705 # prepare build tree if outside source tree
1706 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1707 # Note 2: /bin/pwd might be better than shell's built-in at getting
1708 # a symlink-free name.
1709 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1713 if test "$no_create" != yes; then
1714 _AS_ECHO_N([preparing build tree... ])
1715 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1716 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1717 || AC_MSG_ERROR(failed)
1721 AC_SUBST(vpath_build)
1724 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1727 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1728 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1729 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1730 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1731 src/include/pg_config_os.h:src/include/port/${template}.h
1732 src/Makefile.port:src/makefiles/Makefile.${template}
1735 if test "$PORTNAME" = "win32"; then
1736 AC_CONFIG_COMMANDS([check_win32_symlinks],[
1737 # Links sometimes fail undetected on Mingw -
1738 # so here we detect it and warn the user
1739 for FILE in $CONFIG_LINKS
1741 # test -e works for symlinks in the MinGW console
1742 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
1747 AC_CONFIG_HEADERS([src/include/pg_config.h],
1749 # Update timestamp for pg_config.h (see Makefile.global)
1750 echo >src/include/stamp-h
1753 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h])
1757 # Warn about unknown options