1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.523 2007/08/05 15:43:00 tgl 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([$pgac_cc_list])
246 # Check if it's Intel's compiler, which (usually) pretends to be gcc,
247 # but has idiosyncrasies of its own. We assume icc will define
248 # __INTEL_COMPILER regardless of CFLAGS.
249 AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
251 @%:@endif], [ICC=[yes]], [ICC=[no]])
258 . "$srcdir/src/template/$template" || exit
260 # CFLAGS are selected so:
261 # If the user specifies something in the environment, that is used.
262 # else: If the template file set something, that is used.
263 # else: If the compiler is GCC, then we use -O2.
264 # else: If the compiler is something else, then we use -0.
266 if test "$ac_env_CFLAGS_set" = set; then
267 CFLAGS=$ac_env_CFLAGS_value
268 elif test "${CFLAGS+set}" = set; then
269 : # (keep what template set)
270 elif test "$GCC" = yes; then
273 # if the user selected debug mode, don't use -O
274 if test "$enable_debug" != yes; then
279 # Some versions of GCC support some additional useful warning flags.
280 # Check whether they are supported, and add them to CFLAGS if so.
281 # ICC pretends to be GCC but it's lying; it doesn't support these options.
283 if test "$GCC" = yes -a "$ICC" = no; then
284 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wpointer-arith -Winline"
285 # These work in some but not all gcc versions
286 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
287 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
288 # Disable strict-aliasing rules; needed for gcc 3.3+
289 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
290 elif test "$ICC" = yes; then
291 # Intel's compiler has a bug/misoptimization in checking for
292 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
293 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
294 # Not clear if this is needed, but seems like a good idea
295 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
296 elif test x"${CC}" = x"xlc"; then
297 # AIX xlc has to have strict aliasing turned off too
298 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
301 # supply -g if --enable-debug
302 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
306 # enable profiling if --enable-profiling
307 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
308 if test "$GCC" = yes; then
309 AC_DEFINE([PROFILE_PID_DIR], 1,
310 [Define to 1 to enable profiling. (--enable-profiling)])
313 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
317 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
319 # We already have this in Makefile.win32, but configure needs it too
320 if test "$PORTNAME" = "win32"; then
321 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
324 # Check if the compiler still works with the template settings
325 AC_MSG_CHECKING([whether the C compiler still works])
326 AC_TRY_LINK([], [return 0;],
327 [AC_MSG_RESULT(yes)],
329 AC_MSG_ERROR([cannot proceed])])
331 # Defend against gcc -ffast-math
332 if test "$GCC" = yes; then
333 AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
335 @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
341 # Create compiler version string
342 if test x"$GCC" = x"yes" ; then
343 cc_string="GCC `${CC} --version | sed q`"
347 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
348 ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
349 [A string containing the version number, platform, and C compiler])
353 # Set up TAS assembly code if needed; the template file has now had its
354 # chance to request this.
356 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
358 if test "$need_tas" = yes ; then
367 # Automatic dependency tracking
369 PGAC_ARG_BOOL(enable, depend, no, [ --enable-depend turn on automatic dependency tracking],
375 # Enable assert checks
377 PGAC_ARG_BOOL(enable, cassert, no, [ --enable-cassert enable assertion checks (for debugging)],
378 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
379 [Define to 1 to build with assertion checks. (--enable-cassert)])])
383 # Include directories
386 IFS="${IFS}${PATH_SEPARATOR}"
387 # SRCH_INC comes from the template file
388 for dir in $with_includes $SRCH_INC; do
389 if test -d "$dir"; then
390 INCLUDES="$INCLUDES -I$dir"
392 AC_MSG_WARN([*** Include directory $dir does not exist.])
400 # Library directories
403 IFS="${IFS}${PATH_SEPARATOR}"
404 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
405 for dir in $LIBRARY_DIRS $SRCH_LIB; do
406 if test -d "$dir"; then
407 LIBDIRS="$LIBDIRS -L$dir"
409 AC_MSG_WARN([*** Library directory $dir does not exist.])
415 # Enable thread-safe client libraries
417 AC_MSG_CHECKING([allow thread-safe client libraries])
418 if test "$PORTNAME" != "win32"; then
419 PGAC_ARG_BOOL(enable, thread-safety, no, [ --enable-thread-safety make client libraries thread-safe])
421 # Win32 should always use threads
422 PGAC_ARG_BOOL(enable, thread-safety, yes, [ --enable-thread-safety make client libraries thread-safe])
425 PGAC_ARG_BOOL(enable, thread-safety-force, no, [ --enable-thread-safety-force force thread-safety despite thread test failure])
426 if test "$enable_thread_safety" = yes -o \
427 "$enable_thread_safety_force" = yes; then
428 enable_thread_safety="yes" # for 'force'
429 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
430 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
432 AC_MSG_RESULT([$enable_thread_safety])
433 AC_SUBST(enable_thread_safety)
436 # Optionally build Tcl modules (PL/Tcl)
438 AC_MSG_CHECKING([whether to build with Tcl])
439 PGAC_ARG_BOOL(with, tcl, no, [ --with-tcl build Tcl modules (PL/Tcl)])
440 AC_MSG_RESULT([$with_tcl])
443 # We see if the path to the Tcl/Tk configuration scripts is specified.
444 # This will override the use of tclsh to find the paths to search.
446 PGAC_ARG_REQ(with, tclconfig, [ --with-tclconfig=DIR tclConfig.sh is in DIR])
449 # Optionally build Perl modules (PL/Perl)
451 AC_MSG_CHECKING([whether to build Perl modules])
452 PGAC_ARG_BOOL(with, perl, no, [ --with-perl build Perl modules (PL/Perl)])
453 AC_MSG_RESULT([$with_perl])
457 # Optionally build Python modules (PL/Python)
459 AC_MSG_CHECKING([whether to build Python modules])
460 PGAC_ARG_BOOL(with, python, no, [ --with-python build Python modules (PL/Python)])
461 AC_MSG_RESULT([$with_python])
462 AC_SUBST(with_python)
467 AC_MSG_CHECKING([whether to build with GSSAPI support])
468 PGAC_ARG_BOOL(with, gssapi, no, [ --with-gssapi build with GSSAPI support],
470 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
471 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
473 AC_MSG_RESULT([$with_gssapi])
474 AC_SUBST(with_gssapi)
479 AC_MSG_CHECKING([whether to build with Kerberos 5 support])
480 PGAC_ARG_BOOL(with, krb5, no, [ --with-krb5 build with Kerberos 5 support],
482 AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
483 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
485 AC_MSG_RESULT([$with_krb5])
493 # Kerberos configuration parameters
495 PGAC_ARG_REQ(with, krb-srvnam,
496 [ --with-krb-srvnam=NAME default service principal name in Kerberos [[postgres]]],
498 [with_krb_srvnam="postgres"])
499 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
500 [Define to the name of the default PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
506 AC_MSG_CHECKING([whether to build with PAM support])
507 PGAC_ARG_BOOL(with, pam, no,
508 [ --with-pam build with PAM support],
509 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
510 AC_MSG_RESULT([$with_pam])
517 AC_MSG_CHECKING([whether to build with LDAP support])
518 PGAC_ARG_BOOL(with, ldap, no,
519 [ --with-ldap build with LDAP support],
520 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
521 AC_MSG_RESULT([$with_ldap])
528 AC_MSG_CHECKING([whether to build with Bonjour support])
529 PGAC_ARG_BOOL(with, bonjour, no,
530 [ --with-bonjour build with Bonjour support],
531 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
532 AC_MSG_RESULT([$with_bonjour])
533 AC_SUBST(with_bonjour)
539 AC_MSG_CHECKING([whether to build with OpenSSL support])
540 PGAC_ARG_BOOL(with, openssl, no, [ --with-openssl build with OpenSSL support],
541 [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
542 AC_MSG_RESULT([$with_openssl])
543 AC_SUBST(with_openssl)
549 PGAC_ARG_BOOL(with, readline, yes,
550 [ --without-readline do not use GNU Readline nor BSD Libedit for editing])
551 # readline on MinGW has problems with backslashes in psql and other bugs.
552 # This is particularly a problem with non-US code pages.
553 # Therefore disable its use until we understand the cause. 2004-07-20
554 if test "$PORTNAME" = "win32"; then
555 if test "$with_readline" = yes; then
556 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
565 PGAC_ARG_BOOL(with, libedit-preferred, no,
566 [ --with-libedit-preferred prefer BSD Libedit over GNU Readline])
572 PGAC_ARG_BOOL(with, ossp-uuid, no, [ --with-ossp-uuid build with OSSP UUID library for UUID generation])
573 AC_SUBST(with_ossp_uuid)
579 PGAC_ARG_BOOL(with, libxml, no, [ --with-libxml build with XML support],
580 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
582 if test "$with_libxml" = yes ; then
583 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
584 if test -n "$XML2_CONFIG"; then
585 for pgac_option in `$XML2_CONFIG --cflags`; do
587 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
590 for pgac_option in `$XML2_CONFIG --libs`; do
592 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
598 AC_SUBST(with_libxml)
603 PGAC_ARG_BOOL(with, libxslt, no, [ --with-libxslt build with XSLT support],
604 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to build with XSLT support. (--with-libxslt)])])
607 AC_SUBST(with_libxslt)
612 PGAC_ARG_BOOL(with, zlib, yes,
613 [ --without-zlib do not use Zlib])
620 # Assume system is ELF if it predefines __ELF__ as 1,
621 # otherwise believe host_os based default.
623 freebsd1*|freebsd2*) elf=no;;
624 freebsd3*|freebsd4*) elf=yes;;
633 [if test "X$elf" = "Xyes" ; then
644 CPPFLAGS="$CPPFLAGS $INCLUDES"
645 LDFLAGS="$LDFLAGS $LIBDIRS"
647 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
648 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
650 AC_ARG_VAR(LDFLAGS_SL)
654 AC_SUBST(with_gnu_ld)
655 case $host_os in sysv5*)
656 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
658 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
659 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
660 LDFLAGS=$pgac_save_LDFLAGS
662 ld_R_works=$pgac_cv_prog_ld_R
668 AC_PATH_PROG(TAR, tar)
676 if test "$with_perl" = yes; then
677 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
678 PGAC_CHECK_PERL_EMBED_LDFLAGS
681 if test "$with_python" = yes; then
683 PGAC_CHECK_PYTHON_EMBED_SETUP
686 # Supply a numeric version string for use by 3rd party add-ons
687 # awk -F is a regex on some platforms, and not on others, so make "." a tab
688 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
690 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
691 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
696 ## Most libraries are included only if they demonstrably provide a function
697 ## we need, but libm is an exception: always include it, because there are
698 ## too many compilers that play cute optimization games that will break
699 ## probes for standard functions such as pow().
702 AC_CHECK_LIB(m, main)
703 AC_SEARCH_LIBS(setproctitle, util)
704 AC_SEARCH_LIBS(dlopen, dl)
705 AC_SEARCH_LIBS(socket, [socket wsock32])
706 AC_SEARCH_LIBS(shl_load, dld)
707 # We only use libld in port/dynloader/aix.c
710 AC_SEARCH_LIBS(ldopen, ld)
713 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
714 AC_SEARCH_LIBS(crypt, crypt)
716 AC_SEARCH_LIBS(fdatasync, [rt posix4])
718 AC_SEARCH_LIBS(shmget, cygipc)
720 if test "$with_readline" = yes; then
722 if test x"$pgac_cv_check_readline" = x"no"; then
723 AC_MSG_ERROR([readline library not found
724 If you have readline already installed, see config.log for details on the
725 failure. It is possible the compiler isn't looking in the proper directory.
726 Use --without-readline to disable readline support.])
730 if test "$with_zlib" = yes; then
731 AC_CHECK_LIB(z, inflate, [],
732 [AC_MSG_ERROR([zlib library not found
733 If you have zlib already installed, see config.log for details on the
734 failure. It is possible the compiler isn't looking in the proper directory.
735 Use --without-zlib to disable zlib support.])])
738 if test "$enable_spinlocks" = yes; then
739 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
742 *** Not using spinlocks will cause poor performance.])
745 if test "$with_gssapi" = yes ; then
746 if test "$PORTNAME" != "win32"; then
747 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
748 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
750 LIBS="$LIBS -lgssapi32"
754 if test "$with_krb5" = yes ; then
755 if test "$PORTNAME" != "win32"; then
756 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken' com_err], [],
757 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
758 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken'], [],
759 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
761 AC_SEARCH_LIBS(com_err, 'comerr32 -lkrb5_32', [],
762 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
766 if test "$with_openssl" = yes ; then
768 if test "$PORTNAME" != "win32"; then
769 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
770 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
772 AC_CHECK_LIB(eay32, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'eay32' is required for OpenSSL])])
773 AC_CHECK_LIB(ssleay32, SSL_library_init, [], [AC_MSG_ERROR([library 'ssleay32' is required for OpenSSL])])
777 if test "$with_pam" = yes ; then
778 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
781 if test "$with_libxml" = yes ; then
782 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
785 if test "$with_libxslt" = yes ; then
786 AC_CHECK_LIB(xslt, xsltLibxmlVersion, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
794 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
795 AC_CHECK_HEADERS([crypt.h dld.h fp_class.h getopt.h ieeefp.h langinfo.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/tas.h sys/time.h sys/un.h termios.h utime.h wchar.h wctype.h kernel/OS.h kernel/image.h SupportDefs.h])
797 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
798 # netinet/in.h is included first.
799 AC_CHECK_HEADERS(netinet/in.h)
800 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
802 #ifdef HAVE_NETINET_IN_H
803 #include <netinet/in.h>
807 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
808 AC_CHECK_HEADERS(readline/readline.h, [],
809 [AC_CHECK_HEADERS(readline.h, [],
810 [AC_MSG_ERROR([readline header not found
811 If you have readline already installed, see config.log for details on the
812 failure. It is possible the compiler isn't looking in the proper directory.
813 Use --without-readline to disable readline support.])])])
814 AC_CHECK_HEADERS(readline/history.h, [],
815 [AC_CHECK_HEADERS(history.h, [],
816 [AC_MSG_ERROR([history header not found
817 If you have readline already installed, see config.log for details on the
818 failure. It is possible the compiler isn't looking in the proper directory.
819 Use --without-readline to disable readline support.])])])
822 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
823 # Some installations of libedit usurp /usr/include/readline/, which seems
824 # bad practice, since in combined installations readline will have its headers
825 # there. We might have to resort to AC_EGREP checks to make sure we found
826 # the proper header...
827 AC_CHECK_HEADERS(editline/readline.h, [],
828 [AC_CHECK_HEADERS(readline.h, [],
829 [AC_CHECK_HEADERS(readline/readline.h, [],
830 [AC_MSG_ERROR([readline header not found
831 If you have libedit already installed, see config.log for details on the
832 failure. It is possible the compiler isn't looking in the proper directory.
833 Use --without-readline to disable libedit support.])])])])
834 # Note: in a libedit installation, history.h is sometimes a dummy, and may
835 # not be there at all. Hence, don't complain if not found. We must check
836 # though, since in yet other versions it is an independent header.
837 AC_CHECK_HEADERS(editline/history.h, [],
838 [AC_CHECK_HEADERS(history.h, [],
839 [AC_CHECK_HEADERS(readline/history.h)])])
842 if test "$with_zlib" = yes; then
843 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
844 If you have zlib already installed, see config.log for details on the
845 failure. It is possible the compiler isn't looking in the proper directory.
846 Use --without-zlib to disable zlib support.])])
849 if test "$with_gssapi" = yes ; then
850 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
851 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
854 if test "$with_krb5" = yes ; then
855 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
858 if test "$with_openssl" = yes ; then
859 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
860 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
863 if test "$with_pam" = yes ; then
864 AC_CHECK_HEADERS(security/pam_appl.h, [],
865 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
866 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
869 if test "$with_libxml" = yes ; then
870 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
873 if test "$with_libxslt" = yes ; then
874 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
877 if test "$with_ldap" = yes ; then
878 if test "$PORTNAME" != "win32"; then
879 AC_CHECK_HEADERS(ldap.h, [],
880 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
882 AC_CHECK_HEADERS(winldap.h, [],
883 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
890 if test "$with_bonjour" = yes ; then
891 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Bonjour])])
896 ## Types, structures, compiler characteristics
899 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
906 PGAC_C_FUNCNAME_SUPPORT
909 PGAC_STRUCT_SOCKADDR_UN
910 PGAC_STRUCT_SOCKADDR_STORAGE
911 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
914 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
915 [#include <sys/param.h>
916 #include <sys/types.h>
917 #include <sys/socket.h>
918 #include <sys/ucred.h>])
920 AC_CHECK_TYPES([struct option], [], [],
921 [#ifdef HAVE_GETOPT_H
925 if test "$with_zlib" = yes; then
926 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
927 # did not). While we could work around the lack of z_streamp, it
928 # seems unwise to encourage people to use such old zlib versions...
929 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
930 Use --without-zlib to disable zlib support.])],
934 if test "$with_krb5" = yes; then
935 # Check for differences between MIT and Heimdal (KTH) releases
936 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
937 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
938 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
939 [#include <krb5.h>])],
941 AC_CHECK_MEMBERS(krb5_error.text.data, [],
942 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
943 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
944 [#include <krb5.h>])],
947 # Win32 requires headers to be loaded for __stdcall, so can't use
948 # AC_CHECK_FUNCS here.
949 AC_MSG_CHECKING(for krb5_free_unparsed_name)
950 AC_TRY_LINK([#include <krb5.h>],
951 [krb5_free_unparsed_name(NULL,NULL);],
952 [AC_DEFINE(HAVE_KRB5_FREE_UNPARSED_NAME, 1, [Define to 1 if you have krb5_free_unparsed_name])
959 ## Functions, global variables
962 PGAC_VAR_INT_TIMEZONE
963 AC_FUNC_ACCEPT_ARGTYPES
964 PGAC_FUNC_GETTIMEOFDAY_1ARG
966 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
968 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
969 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
970 AC_CHECK_DECLS([strlcat, strlcpy])
971 # This is probably only present on Darwin, but may as well check always
972 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
975 AC_CHECK_TYPE([struct sockaddr_in6],
976 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
979 [$ac_includes_default
980 #include <netinet/in.h>])
983 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
985 [#include <machine/vmparam.h>
986 #include <sys/exec.h>
988 [PS_STRINGS->ps_nargvstr = 1;
989 PS_STRINGS->ps_argvstr = "foo";],
990 [pgac_cv_var_PS_STRINGS=yes],
991 [pgac_cv_var_PS_STRINGS=no])])
992 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
993 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
997 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
998 # is missing. Yes, there are machines that have only one. We may
999 # also decide to use snprintf.c if snprintf() is present but does not
1000 # have all the features we need --- see below.
1002 if test "$PORTNAME" = "win32"; then
1003 # Win32 gets snprintf.c built unconditionally.
1005 # To properly translate all NLS languages strings, we must support the
1006 # *printf() %$ format, which allows *printf() arguments to be selected
1007 # by position in the translated string.
1009 # libintl versions < 0.13 use the native *printf() functions, and Win32
1010 # *printf() doesn't understand %$, so we must use our /port versions,
1011 # which do understand %$. libintl versions >= 0.13 include their own
1012 # *printf versions on Win32. The libintl 0.13 release note text is:
1014 # C format strings with positions, as they arise when a translator
1015 # needs to reorder a sentence, are now supported on all platforms.
1016 # On those few platforms (NetBSD and Woe32) for which the native
1017 # printf()/fprintf()/... functions don't support such format
1018 # strings, replacements are provided through <libintl.h>.
1020 # We could use libintl >= 0.13's *printf() if we were sure that we had
1021 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1022 # to guarantee that, it is best to just use our own, so we are sure to
1023 # get %$ support. In include/port.h we disable the *printf() macros
1024 # that might have been defined by libintl.
1026 # We do this unconditionally whether NLS is used or not so we are sure
1027 # that all Win32 libraries and binaries behave the same.
1028 pgac_need_repl_snprintf=yes
1030 pgac_need_repl_snprintf=no
1031 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1032 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1036 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1037 # include/c.h will provide declarations. Note this is a separate test
1038 # from whether the functions exist in the C library --- there are
1039 # systems that have the functions but don't bother to declare them :-(
1041 AC_CHECK_DECLS([snprintf, vsnprintf])
1044 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1045 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1050 [return isinf(glob_double) ? 0 : 1;],
1051 [ac_cv_func_isinf=yes],
1052 [ac_cv_func_isinf=no])])
1054 if test $ac_cv_func_isinf = yes ; then
1055 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1058 # Look for a way to implement a substitute for isinf()
1059 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1062 # Some versions of libedit contain strlcpy(); so disregard that library while
1063 # checking for these standard libc functions.
1064 pgac_save_LIBS="$LIBS"
1065 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1067 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strdup strerror strlcat strlcpy strtol strtoul unsetenv])
1069 LIBS="$pgac_save_LIBS"
1071 # System's version of getaddrinfo(), if any, may be used only if we found
1072 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1073 # (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
1074 # versions of getaddrinfo don't follow normal C call protocol. This is OK
1075 # because we want to use our own getaddrinfo.c on Windows anyway.)
1076 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
1077 AC_REPLACE_FUNCS([getaddrinfo])
1079 AC_LIBOBJ(getaddrinfo)
1082 # similarly, use system's getopt_long() only if system provides struct option.
1083 if test x"$ac_cv_type_struct_option" = xyes ; then
1084 AC_REPLACE_FUNCS([getopt_long])
1086 AC_LIBOBJ(getopt_long)
1089 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
1090 # We override the previous test that said fseeko/ftello didn't exist
1091 # OS tests are also done in include/c.h and port/fseeko.c
1092 case $host_os in bsdi*|netbsd*)
1093 ac_cv_func_fseeko=yes
1097 if test "$PORTNAME" = "win32"; then
1098 AC_LIBOBJ(gettimeofday)
1102 AC_LIBOBJ(win32error)
1103 AC_DEFINE([HAVE_SYMLINK], 1,
1104 [Define to 1 if you have the `symlink' function.])
1107 if test "$with_readline" = yes; then
1108 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1109 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
1110 AC_CHECK_FUNCS([replace_history_entry])
1114 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
1115 dnl (especially on GNU libc)
1116 dnl See also comments in c.h.
1117 AC_MSG_CHECKING(for sigsetjmp)
1118 AC_TRY_LINK([#include <setjmp.h>],
1119 [sigjmp_buf x; sigsetjmp(x, 1);],
1120 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1121 AC_MSG_RESULT(yes)],
1122 [AC_MSG_RESULT(no)])
1126 AC_CHECK_FUNC(syslog,
1127 [AC_CHECK_HEADER(syslog.h,
1128 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1130 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1131 [AC_TRY_LINK([#include <unistd.h>],
1132 [extern int optreset; optreset = 1;],
1133 [pgac_cv_var_int_optreset=yes],
1134 [pgac_cv_var_int_optreset=no])])
1135 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1136 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1139 AC_CHECK_FUNCS([strtoll strtoq], [break])
1140 AC_CHECK_FUNCS([strtoull strtouq], [break])
1142 # Check for one of atexit() or on_exit()
1143 AC_CHECK_FUNCS(atexit, [],
1144 [AC_CHECK_FUNCS(on_exit, [],
1145 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1152 # For each platform, we need to know about any special compile and link
1153 # libraries, and whether the normal C function names are thread-safe.
1154 # See the comment at the top of src/port/thread.c for more information.
1155 # WIN32 doesn't need the pthread tests; it always uses threads
1156 if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
1157 ACX_PTHREAD # set thread flags
1159 # Some platforms use these, so just defineed them. They can't hurt if they
1160 # are not supported.
1161 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
1164 # At this point, we don't want to muck with the compiler name for threading.
1165 # Let's see who fails, perhaps AIX. 2004-04-23
1166 if test "$PTHREAD_CC" != "$CC"; then
1168 PostgreSQL does not support platforms that require a special compiler
1169 for thread safety.])
1172 if test "$THREAD_SUPPORT" = no; then
1173 AC_MSG_ERROR([cannot enable threads on this platform
1174 This platform is known to not support thread-safe programs. For details,
1175 compile and run src/bin/pg_thread_test.])
1178 # Check for *_r functions
1181 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1182 LIBS="$LIBS $PTHREAD_LIBS"
1184 if test "$PORTNAME" != "win32"; then
1185 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1188 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1190 # Do test here with the proper thread flags
1191 PGAC_FUNC_GETPWUID_R_5ARG
1192 PGAC_FUNC_STRERROR_R_INT
1198 # do not use values from template file
1203 AC_SUBST(PTHREAD_CFLAGS)
1204 AC_SUBST(PTHREAD_LIBS)
1207 # We can test for libldap_r only after we know PTHREAD_LIBS
1208 if test "$with_ldap" = yes ; then
1210 if test "$PORTNAME" != "win32"; then
1211 AC_CHECK_LIB(ldap, ldap_bind, [],
1212 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1214 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1215 if test "$enable_thread_safety" = yes; then
1216 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1217 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1218 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1219 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1220 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1222 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1225 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1226 LDAP_LIBS_FE="-lwldap32"
1227 LDAP_LIBS_BE="-lwldap32"
1231 AC_SUBST(LDAP_LIBS_FE)
1232 AC_SUBST(LDAP_LIBS_BE)
1235 # This test makes sure that run tests work at all. Sometimes a shared
1236 # library is found by the linker, but the runtime linker can't find it.
1237 # This check should come after all modifications of compiler or linker
1238 # variables, and before any other run tests.
1239 AC_MSG_CHECKING([test program])
1240 AC_TRY_RUN([int main() { return 0; }],
1241 [AC_MSG_RESULT(ok)],
1242 [AC_MSG_RESULT(failed)
1244 Could not execute a simple test program. This may be a problem
1245 related to locating shared libraries. Check the file 'config.log'
1246 for the exact reason.]])],
1247 [AC_MSG_RESULT([cross-compiling])])
1249 # --------------------
1250 # Run tests below here
1251 # --------------------
1253 # Force use of our snprintf if system's doesn't do arg control
1254 # See comment above at snprintf test for details.
1255 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1256 PGAC_FUNC_PRINTF_ARG_CONTROL
1257 if test $pgac_cv_printf_arg_control != yes ; then
1258 pgac_need_repl_snprintf=yes
1263 dnl Check to see if we have a working 64-bit integer type.
1264 dnl This breaks down into two steps:
1265 dnl (1) figure out if the compiler has a 64-bit int type with working
1266 dnl arithmetic, and if so
1267 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1268 dnl snprintf is the only library routine we really need for int8 support.)
1269 dnl It's entirely possible to have a compiler that handles a 64-bit type
1270 dnl when the C library doesn't; this is fairly likely when using gcc on
1271 dnl an older platform, for example.
1272 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1273 dnl we force our own version of snprintf() to be used instead.
1274 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1276 PGAC_TYPE_64BIT_INT([long int])
1278 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1279 PGAC_TYPE_64BIT_INT([long long int])
1283 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1285 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1287 #define INT64CONST(x) x##LL
1288 long long int foo = INT64CONST(0x1234567890123456);
1291 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1296 # If we found "long int" is 64 bits, assume snprintf handles it. If
1297 # we found we need to use "long long int", better check. We cope with
1298 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1299 # work, fall back to our own snprintf emulation (which we know uses %lld).
1301 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1302 if test $pgac_need_repl_snprintf = no; then
1303 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1304 if test "$LONG_LONG_INT_FORMAT" = ""; then
1305 # Force usage of our own snprintf, since system snprintf is broken
1306 pgac_need_repl_snprintf=yes
1307 LONG_LONG_INT_FORMAT='%lld'
1310 # Here if we previously decided we needed to use our own snprintf
1311 LONG_LONG_INT_FORMAT='%lld'
1313 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1314 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1315 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1317 # Here if we are not using 'long long int' at all
1318 INT64_FORMAT='"%ld"'
1319 UINT64_FORMAT='"%lu"'
1322 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1323 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1325 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1326 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1328 # Now we have checked all the reasons to replace snprintf
1329 if test $pgac_need_repl_snprintf = yes; then
1330 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1334 # Need a #define for the size of Datum (unsigned long)
1335 AC_CHECK_SIZEOF([unsigned long])
1337 # And one for the size of size_t (enables tweaks for > 32bit address space)
1338 AC_CHECK_SIZEOF([size_t])
1340 # Determine memory alignment requirements for the basic C data types.
1342 PGAC_CHECK_ALIGNOF(short)
1343 PGAC_CHECK_ALIGNOF(int)
1344 PGAC_CHECK_ALIGNOF(long)
1345 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1346 PGAC_CHECK_ALIGNOF(long long int)
1348 PGAC_CHECK_ALIGNOF(double)
1350 # Compute maximum alignment of any basic type.
1351 # We assume long's alignment is at least as strong as char, short, or int;
1352 # but we must check long long (if it exists) and double.
1354 MAX_ALIGNOF=$pgac_cv_alignof_long
1355 if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
1356 MAX_ALIGNOF=$pgac_cv_alignof_double
1358 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
1359 MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1361 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1364 # Some platforms predefine the types int8, int16, etc. Only check
1365 # a (hopefully) representative subset.
1366 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1368 #ifdef HAVE_SUPPORTDEFS_H
1369 #include <SupportDefs.h>
1372 # We also check for sig_atomic_t, which *should* be defined per ANSI
1373 # C, but is missing on some old platforms.
1374 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1377 if test "$PORTNAME" != "win32"
1379 PGAC_FUNC_POSIX_SIGNALS
1380 if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
1382 Thread-safety requires POSIX signals, which are not supported by this
1387 if test $ac_cv_func_fseeko = yes; then
1391 # SunOS doesn't handle negative byte comparisons properly with +/- return
1395 # Select semaphore implementation type.
1396 if test "$PORTNAME" != "win32"; then
1397 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1398 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1399 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1401 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1402 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1403 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1405 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1406 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1410 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1411 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1415 # Select shared-memory implementation type.
1416 if test "$PORTNAME" != "win32"; then
1417 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1418 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1420 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1421 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1424 # If not set in template file, set bytes to use libc memset()
1425 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1426 MEMSET_LOOP_LIMIT=1024
1428 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1431 if test "$enable_nls" = yes ; then
1435 # Check for Tcl configuration script tclConfig.sh
1436 if test "$with_tcl" = yes; then
1437 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1438 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1439 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1440 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1441 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1442 ac_save_CPPFLAGS=$CPPFLAGS
1443 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1444 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1445 CPPFLAGS=$ac_save_CPPFLAGS
1449 # Check for DocBook and tools
1453 PGAC_CHECK_DOCBOOK(4.2)
1454 PGAC_PATH_DOCBOOK_STYLESHEETS
1455 PGAC_PATH_COLLATEINDEX
1456 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1460 # We have to run the thread test near the end so we have all our symbols
1461 # defined. Cross compiling throws a warning.
1463 if test "$enable_thread_safety_force" = yes; then
1464 if test "$PORTNAME" != "win32"
1467 *** Skipping thread test program. --enable-thread-safety-force was used.
1468 *** Run the program in src/test/thread on the your machine and add proper
1469 *** locking function calls to your applications to guarantee thread safety.
1472 AC_MSG_WARN([*** skipping thread test on Win32])
1474 elif test "$enable_thread_safety" = yes; then
1475 if test "$PORTNAME" != "win32"
1477 AC_MSG_CHECKING([thread safety of required library functions])
1481 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
1482 LIBS="$LIBS $PTHREAD_LIBS"
1483 AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
1484 [AC_MSG_RESULT(yes)],
1486 AC_MSG_ERROR([thread test program failed
1487 This platform is not thread-safe. Check the file 'config.log'for the
1490 You can use the configure option --enable-thread-safety-force to force
1491 threads to be enabled. But you must then run the program in
1492 src/test/thread and add locking function calls to your applications to
1493 guarantee thread safety.])],
1494 [AC_MSG_RESULT(maybe)
1496 *** Skipping thread test program because of cross-compile build.
1497 *** Run the program in src/test/thread on the target machine.
1502 AC_MSG_WARN([*** skipping thread test on Win32])
1506 # prepare build tree if outside source tree
1507 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1508 # Note 2: /bin/pwd might be better than shell's built-in at getting
1509 # a symlink-free name.
1510 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1514 if test "$no_create" != yes; then
1515 _AS_ECHO_N([preparing build tree... ])
1516 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1517 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1518 || AC_MSG_ERROR(failed)
1522 AC_SUBST(vpath_build)
1525 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1528 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1529 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1530 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1531 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1532 src/include/pg_config_os.h:src/include/port/${template}.h
1533 src/Makefile.port:src/makefiles/Makefile.${template}
1536 if test "$PORTNAME" = "win32"; then
1537 AC_CONFIG_COMMANDS([check_win32_symlinks],[
1538 # Links sometimes fail undetected on Mingw -
1539 # so here we detect it and warn the user
1540 for FILE in $CONFIG_LINKS
1542 # test -e works for symlinks in the MinGW console
1543 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
1548 AC_CONFIG_HEADERS([src/include/pg_config.h],
1550 # Update timestamp for pg_config.h (see Makefile.global)
1551 echo >src/include/stamp-h
1554 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h])
1558 # Warn about unknown options