1 dnl Process this file with autoconf to produce a configure script.
2 dnl $PostgreSQL: pgsql/configure.in,v 1.526 2007/09/12 14:28:55 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 # Make sure strict aliasing is off (though this is said to be the default)
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 $pgac_option";;
598 AC_SUBST(with_libxml)
603 PGAC_ARG_BOOL(with, libxslt, no, [ --with-libxslt build with XSLT support],
604 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to build with XSLT support. (--with-libxslt)])])
607 AC_SUBST(with_libxslt)
612 PGAC_ARG_REQ(with, system-tzdata,
613 [ --with-system-tzdata=DIR use system time zone data in DIR])
614 AC_SUBST(with_system_tzdata)
619 PGAC_ARG_BOOL(with, zlib, yes,
620 [ --without-zlib do not use Zlib])
627 # Assume system is ELF if it predefines __ELF__ as 1,
628 # otherwise believe host_os based default.
630 freebsd1*|freebsd2*) elf=no;;
631 freebsd3*|freebsd4*) elf=yes;;
640 [if test "X$elf" = "Xyes" ; then
651 CPPFLAGS="$CPPFLAGS $INCLUDES"
652 LDFLAGS="$LDFLAGS $LIBDIRS"
654 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
655 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
657 AC_ARG_VAR(LDFLAGS_SL)
661 AC_SUBST(with_gnu_ld)
662 case $host_os in sysv5*)
663 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
665 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
666 AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
667 LDFLAGS=$pgac_save_LDFLAGS
669 ld_R_works=$pgac_cv_prog_ld_R
675 AC_PATH_PROG(TAR, tar)
683 if test "$with_perl" = yes; then
684 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
685 PGAC_CHECK_PERL_EMBED_LDFLAGS
688 if test "$with_python" = yes; then
690 PGAC_CHECK_PYTHON_EMBED_SETUP
693 # Supply a numeric version string for use by 3rd party add-ons
694 # awk -F is a regex on some platforms, and not on others, so make "." a tab
695 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
697 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
698 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
703 ## Most libraries are included only if they demonstrably provide a function
704 ## we need, but libm is an exception: always include it, because there are
705 ## too many compilers that play cute optimization games that will break
706 ## probes for standard functions such as pow().
709 AC_CHECK_LIB(m, main)
710 AC_SEARCH_LIBS(setproctitle, util)
711 AC_SEARCH_LIBS(dlopen, dl)
712 AC_SEARCH_LIBS(socket, [socket wsock32])
713 AC_SEARCH_LIBS(shl_load, dld)
714 # We only use libld in port/dynloader/aix.c
717 AC_SEARCH_LIBS(ldopen, ld)
720 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
721 AC_SEARCH_LIBS(crypt, crypt)
723 AC_SEARCH_LIBS(fdatasync, [rt posix4])
725 AC_SEARCH_LIBS(shmget, cygipc)
727 if test "$with_readline" = yes; then
729 if test x"$pgac_cv_check_readline" = x"no"; then
730 AC_MSG_ERROR([readline library not found
731 If you have readline already installed, see config.log for details on the
732 failure. It is possible the compiler isn't looking in the proper directory.
733 Use --without-readline to disable readline support.])
737 if test "$with_zlib" = yes; then
738 AC_CHECK_LIB(z, inflate, [],
739 [AC_MSG_ERROR([zlib library not found
740 If you have zlib already installed, see config.log for details on the
741 failure. It is possible the compiler isn't looking in the proper directory.
742 Use --without-zlib to disable zlib support.])])
745 if test "$enable_spinlocks" = yes; then
746 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
749 *** Not using spinlocks will cause poor performance.])
752 if test "$with_gssapi" = yes ; then
753 if test "$PORTNAME" != "win32"; then
754 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
755 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
757 LIBS="$LIBS -lgssapi32"
761 if test "$with_krb5" = yes ; then
762 if test "$PORTNAME" != "win32"; then
763 AC_SEARCH_LIBS(com_err, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken' com_err], [],
764 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
765 AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken'], [],
766 [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
768 AC_SEARCH_LIBS(com_err, 'comerr32 -lkrb5_32', [],
769 [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
773 if test "$with_openssl" = yes ; then
775 if test "$PORTNAME" != "win32"; then
776 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
777 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
779 AC_CHECK_LIB(eay32, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'eay32' is required for OpenSSL])])
780 AC_CHECK_LIB(ssleay32, SSL_library_init, [], [AC_MSG_ERROR([library 'ssleay32' is required for OpenSSL])])
784 if test "$with_pam" = yes ; then
785 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
788 if test "$with_libxml" = yes ; then
789 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
792 if test "$with_libxslt" = yes ; then
793 AC_CHECK_LIB(xslt, xsltLibxmlVersion, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
801 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
802 AC_CHECK_HEADERS([crypt.h dld.h fp_class.h getopt.h ieeefp.h langinfo.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/tas.h sys/time.h sys/un.h termios.h utime.h wchar.h wctype.h kernel/OS.h kernel/image.h SupportDefs.h])
804 # At least on IRIX, cpp test for netinet/tcp.h will fail unless
805 # netinet/in.h is included first.
806 AC_CHECK_HEADERS(netinet/in.h)
807 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
809 #ifdef HAVE_NETINET_IN_H
810 #include <netinet/in.h>
814 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
815 AC_CHECK_HEADERS(readline/readline.h, [],
816 [AC_CHECK_HEADERS(readline.h, [],
817 [AC_MSG_ERROR([readline header not found
818 If you have readline already installed, see config.log for details on the
819 failure. It is possible the compiler isn't looking in the proper directory.
820 Use --without-readline to disable readline support.])])])
821 AC_CHECK_HEADERS(readline/history.h, [],
822 [AC_CHECK_HEADERS(history.h, [],
823 [AC_MSG_ERROR([history header not found
824 If you have readline already installed, see config.log for details on the
825 failure. It is possible the compiler isn't looking in the proper directory.
826 Use --without-readline to disable readline support.])])])
829 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
830 # Some installations of libedit usurp /usr/include/readline/, which seems
831 # bad practice, since in combined installations readline will have its headers
832 # there. We might have to resort to AC_EGREP checks to make sure we found
833 # the proper header...
834 AC_CHECK_HEADERS(editline/readline.h, [],
835 [AC_CHECK_HEADERS(readline.h, [],
836 [AC_CHECK_HEADERS(readline/readline.h, [],
837 [AC_MSG_ERROR([readline header not found
838 If you have libedit already installed, see config.log for details on the
839 failure. It is possible the compiler isn't looking in the proper directory.
840 Use --without-readline to disable libedit support.])])])])
841 # Note: in a libedit installation, history.h is sometimes a dummy, and may
842 # not be there at all. Hence, don't complain if not found. We must check
843 # though, since in yet other versions it is an independent header.
844 AC_CHECK_HEADERS(editline/history.h, [],
845 [AC_CHECK_HEADERS(history.h, [],
846 [AC_CHECK_HEADERS(readline/history.h)])])
849 if test "$with_zlib" = yes; then
850 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
851 If you have zlib already installed, see config.log for details on the
852 failure. It is possible the compiler isn't looking in the proper directory.
853 Use --without-zlib to disable zlib support.])])
856 if test "$with_gssapi" = yes ; then
857 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
858 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
861 if test "$with_krb5" = yes ; then
862 AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
865 if test "$with_openssl" = yes ; then
866 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
867 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
870 if test "$with_pam" = yes ; then
871 AC_CHECK_HEADERS(security/pam_appl.h, [],
872 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
873 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
876 if test "$with_libxml" = yes ; then
877 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
880 if test "$with_libxslt" = yes ; then
881 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
884 if test "$with_ldap" = yes ; then
885 if test "$PORTNAME" != "win32"; then
886 AC_CHECK_HEADERS(ldap.h, [],
887 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
889 AC_CHECK_HEADERS(winldap.h, [],
890 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
897 if test "$with_bonjour" = yes ; then
898 AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Bonjour])])
903 ## Types, structures, compiler characteristics
906 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
913 PGAC_C_FUNCNAME_SUPPORT
916 PGAC_STRUCT_SOCKADDR_UN
917 PGAC_STRUCT_SOCKADDR_STORAGE
918 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
921 AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
922 [#include <sys/param.h>
923 #include <sys/types.h>
924 #include <sys/socket.h>
925 #include <sys/ucred.h>])
927 AC_CHECK_TYPES([struct option], [], [],
928 [#ifdef HAVE_GETOPT_H
932 if test "$with_zlib" = yes; then
933 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
934 # did not). While we could work around the lack of z_streamp, it
935 # seems unwise to encourage people to use such old zlib versions...
936 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
937 Use --without-zlib to disable zlib support.])],
941 if test "$with_krb5" = yes; then
942 # Check for differences between MIT and Heimdal (KTH) releases
943 AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
944 [AC_CHECK_MEMBERS(krb5_ticket.client, [],
945 [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
946 [#include <krb5.h>])],
948 AC_CHECK_MEMBERS(krb5_error.text.data, [],
949 [AC_CHECK_MEMBERS(krb5_error.e_data, [],
950 [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
951 [#include <krb5.h>])],
954 # Win32 requires headers to be loaded for __stdcall, so can't use
955 # AC_CHECK_FUNCS here.
956 AC_MSG_CHECKING(for krb5_free_unparsed_name)
957 AC_TRY_LINK([#include <krb5.h>],
958 [krb5_free_unparsed_name(NULL,NULL);],
959 [AC_DEFINE(HAVE_KRB5_FREE_UNPARSED_NAME, 1, [Define to 1 if you have krb5_free_unparsed_name])
966 ## Functions, global variables
969 PGAC_VAR_INT_TIMEZONE
970 AC_FUNC_ACCEPT_ARGTYPES
971 PGAC_FUNC_GETTIMEOFDAY_1ARG
973 AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid getrlimit memmove poll pstat readlink setproctitle setsid sigprocmask symlink sysconf towlower utime utimes waitpid wcstombs])
975 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
976 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
977 AC_CHECK_DECLS([strlcat, strlcpy])
978 # This is probably only present on Darwin, but may as well check always
979 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
982 AC_CHECK_TYPE([struct sockaddr_in6],
983 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
986 [$ac_includes_default
987 #include <netinet/in.h>])
990 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
992 [#include <machine/vmparam.h>
993 #include <sys/exec.h>
995 [PS_STRINGS->ps_nargvstr = 1;
996 PS_STRINGS->ps_argvstr = "foo";],
997 [pgac_cv_var_PS_STRINGS=yes],
998 [pgac_cv_var_PS_STRINGS=no])])
999 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1000 AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
1004 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1005 # is missing. Yes, there are machines that have only one. We may
1006 # also decide to use snprintf.c if snprintf() is present but does not
1007 # have all the features we need --- see below.
1009 if test "$PORTNAME" = "win32"; then
1010 # Win32 gets snprintf.c built unconditionally.
1012 # To properly translate all NLS languages strings, we must support the
1013 # *printf() %$ format, which allows *printf() arguments to be selected
1014 # by position in the translated string.
1016 # libintl versions < 0.13 use the native *printf() functions, and Win32
1017 # *printf() doesn't understand %$, so we must use our /port versions,
1018 # which do understand %$. libintl versions >= 0.13 include their own
1019 # *printf versions on Win32. The libintl 0.13 release note text is:
1021 # C format strings with positions, as they arise when a translator
1022 # needs to reorder a sentence, are now supported on all platforms.
1023 # On those few platforms (NetBSD and Woe32) for which the native
1024 # printf()/fprintf()/... functions don't support such format
1025 # strings, replacements are provided through <libintl.h>.
1027 # We could use libintl >= 0.13's *printf() if we were sure that we had
1028 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1029 # to guarantee that, it is best to just use our own, so we are sure to
1030 # get %$ support. In include/port.h we disable the *printf() macros
1031 # that might have been defined by libintl.
1033 # We do this unconditionally whether NLS is used or not so we are sure
1034 # that all Win32 libraries and binaries behave the same.
1035 pgac_need_repl_snprintf=yes
1037 pgac_need_repl_snprintf=no
1038 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1039 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1043 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1044 # include/c.h will provide declarations. Note this is a separate test
1045 # from whether the functions exist in the C library --- there are
1046 # systems that have the functions but don't bother to declare them :-(
1048 AC_CHECK_DECLS([snprintf, vsnprintf])
1051 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1052 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1057 [return isinf(glob_double) ? 0 : 1;],
1058 [ac_cv_func_isinf=yes],
1059 [ac_cv_func_isinf=no])])
1061 if test $ac_cv_func_isinf = yes ; then
1062 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1065 # Look for a way to implement a substitute for isinf()
1066 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1069 # Some versions of libedit contain strlcpy(); so disregard that library while
1070 # checking for these standard libc functions.
1071 pgac_save_LIBS="$LIBS"
1072 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1074 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strdup strerror strlcat strlcpy strtol strtoul unsetenv])
1076 LIBS="$pgac_save_LIBS"
1078 # System's version of getaddrinfo(), if any, may be used only if we found
1079 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1080 # (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
1081 # versions of getaddrinfo don't follow normal C call protocol. This is OK
1082 # because we want to use our own getaddrinfo.c on Windows anyway.)
1083 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
1084 AC_REPLACE_FUNCS([getaddrinfo])
1086 AC_LIBOBJ(getaddrinfo)
1089 # similarly, use system's getopt_long() only if system provides struct option.
1090 if test x"$ac_cv_type_struct_option" = xyes ; then
1091 AC_REPLACE_FUNCS([getopt_long])
1093 AC_LIBOBJ(getopt_long)
1096 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
1097 # We override the previous test that said fseeko/ftello didn't exist
1098 # OS tests are also done in include/c.h and port/fseeko.c
1099 case $host_os in bsdi*|netbsd*)
1100 ac_cv_func_fseeko=yes
1104 if test "$PORTNAME" = "win32"; then
1105 AC_LIBOBJ(gettimeofday)
1109 AC_LIBOBJ(win32error)
1110 AC_DEFINE([HAVE_SYMLINK], 1,
1111 [Define to 1 if you have the `symlink' function.])
1114 if test "$with_readline" = yes; then
1115 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1116 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
1117 AC_CHECK_FUNCS([replace_history_entry])
1121 dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
1122 dnl (especially on GNU libc)
1123 dnl See also comments in c.h.
1124 AC_MSG_CHECKING(for sigsetjmp)
1125 AC_TRY_LINK([#include <setjmp.h>],
1126 [sigjmp_buf x; sigsetjmp(x, 1);],
1127 [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1128 AC_MSG_RESULT(yes)],
1129 [AC_MSG_RESULT(no)])
1133 AC_CHECK_FUNC(syslog,
1134 [AC_CHECK_HEADER(syslog.h,
1135 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1137 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1138 [AC_TRY_LINK([#include <unistd.h>],
1139 [extern int optreset; optreset = 1;],
1140 [pgac_cv_var_int_optreset=yes],
1141 [pgac_cv_var_int_optreset=no])])
1142 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1143 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1146 AC_CHECK_FUNCS([strtoll strtoq], [break])
1147 AC_CHECK_FUNCS([strtoull strtouq], [break])
1149 # Check for one of atexit() or on_exit()
1150 AC_CHECK_FUNCS(atexit, [],
1151 [AC_CHECK_FUNCS(on_exit, [],
1152 [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1159 # For each platform, we need to know about any special compile and link
1160 # libraries, and whether the normal C function names are thread-safe.
1161 # See the comment at the top of src/port/thread.c for more information.
1162 # WIN32 doesn't need the pthread tests; it always uses threads
1163 if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
1164 ACX_PTHREAD # set thread flags
1166 # Some platforms use these, so just defineed them. They can't hurt if they
1167 # are not supported.
1168 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
1171 # At this point, we don't want to muck with the compiler name for threading.
1172 # Let's see who fails, perhaps AIX. 2004-04-23
1173 if test "$PTHREAD_CC" != "$CC"; then
1175 PostgreSQL does not support platforms that require a special compiler
1176 for thread safety.])
1179 if test "$THREAD_SUPPORT" = no; then
1180 AC_MSG_ERROR([cannot enable threads on this platform
1181 This platform is known to not support thread-safe programs. For details,
1182 compile and run src/bin/pg_thread_test.])
1185 # Check for *_r functions
1188 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
1189 LIBS="$LIBS $PTHREAD_LIBS"
1191 if test "$PORTNAME" != "win32"; then
1192 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1195 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1197 # Do test here with the proper thread flags
1198 PGAC_FUNC_GETPWUID_R_5ARG
1199 PGAC_FUNC_STRERROR_R_INT
1205 # do not use values from template file
1210 AC_SUBST(PTHREAD_CFLAGS)
1211 AC_SUBST(PTHREAD_LIBS)
1214 # We can test for libldap_r only after we know PTHREAD_LIBS
1215 if test "$with_ldap" = yes ; then
1217 if test "$PORTNAME" != "win32"; then
1218 AC_CHECK_LIB(ldap, ldap_bind, [],
1219 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1221 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1222 if test "$enable_thread_safety" = yes; then
1223 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1224 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1225 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1226 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1227 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1229 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1232 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1233 LDAP_LIBS_FE="-lwldap32"
1234 LDAP_LIBS_BE="-lwldap32"
1238 AC_SUBST(LDAP_LIBS_FE)
1239 AC_SUBST(LDAP_LIBS_BE)
1242 # This test makes sure that run tests work at all. Sometimes a shared
1243 # library is found by the linker, but the runtime linker can't find it.
1244 # This check should come after all modifications of compiler or linker
1245 # variables, and before any other run tests.
1246 AC_MSG_CHECKING([test program])
1247 AC_TRY_RUN([int main() { return 0; }],
1248 [AC_MSG_RESULT(ok)],
1249 [AC_MSG_RESULT(failed)
1251 Could not execute a simple test program. This may be a problem
1252 related to locating shared libraries. Check the file 'config.log'
1253 for the exact reason.]])],
1254 [AC_MSG_RESULT([cross-compiling])])
1256 # --------------------
1257 # Run tests below here
1258 # --------------------
1260 # Force use of our snprintf if system's doesn't do arg control
1261 # See comment above at snprintf test for details.
1262 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1263 PGAC_FUNC_PRINTF_ARG_CONTROL
1264 if test $pgac_cv_printf_arg_control != yes ; then
1265 pgac_need_repl_snprintf=yes
1270 dnl Check to see if we have a working 64-bit integer type.
1271 dnl This breaks down into two steps:
1272 dnl (1) figure out if the compiler has a 64-bit int type with working
1273 dnl arithmetic, and if so
1274 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1275 dnl snprintf is the only library routine we really need for int8 support.)
1276 dnl It's entirely possible to have a compiler that handles a 64-bit type
1277 dnl when the C library doesn't; this is fairly likely when using gcc on
1278 dnl an older platform, for example.
1279 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1280 dnl we force our own version of snprintf() to be used instead.
1281 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1283 PGAC_TYPE_64BIT_INT([long int])
1285 if test x"$HAVE_LONG_INT_64" = x"no" ; then
1286 PGAC_TYPE_64BIT_INT([long long int])
1290 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1292 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1294 #define INT64CONST(x) x##LL
1295 long long int foo = INT64CONST(0x1234567890123456);
1298 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1303 # If we found "long int" is 64 bits, assume snprintf handles it. If
1304 # we found we need to use "long long int", better check. We cope with
1305 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1306 # work, fall back to our own snprintf emulation (which we know uses %lld).
1308 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1309 if test $pgac_need_repl_snprintf = no; then
1310 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1311 if test "$LONG_LONG_INT_FORMAT" = ""; then
1312 # Force usage of our own snprintf, since system snprintf is broken
1313 pgac_need_repl_snprintf=yes
1314 LONG_LONG_INT_FORMAT='%lld'
1317 # Here if we previously decided we needed to use our own snprintf
1318 LONG_LONG_INT_FORMAT='%lld'
1320 LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1321 INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1322 UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1324 # Here if we are not using 'long long int' at all
1325 INT64_FORMAT='"%ld"'
1326 UINT64_FORMAT='"%lu"'
1329 AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1330 [Define to the appropriate snprintf format for 64-bit ints, if any.])
1332 AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1333 [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1335 # Now we have checked all the reasons to replace snprintf
1336 if test $pgac_need_repl_snprintf = yes; then
1337 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1341 # Need a #define for the size of Datum (unsigned long)
1342 AC_CHECK_SIZEOF([unsigned long])
1344 # And one for the size of size_t (enables tweaks for > 32bit address space)
1345 AC_CHECK_SIZEOF([size_t])
1347 # Determine memory alignment requirements for the basic C data types.
1349 PGAC_CHECK_ALIGNOF(short)
1350 PGAC_CHECK_ALIGNOF(int)
1351 PGAC_CHECK_ALIGNOF(long)
1352 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1353 PGAC_CHECK_ALIGNOF(long long int)
1355 PGAC_CHECK_ALIGNOF(double)
1357 # Compute maximum alignment of any basic type.
1358 # We assume long's alignment is at least as strong as char, short, or int;
1359 # but we must check long long (if it exists) and double.
1361 MAX_ALIGNOF=$pgac_cv_alignof_long
1362 if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
1363 MAX_ALIGNOF=$pgac_cv_alignof_double
1365 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
1366 MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1368 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1371 # Some platforms predefine the types int8, int16, etc. Only check
1372 # a (hopefully) representative subset.
1373 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1375 #ifdef HAVE_SUPPORTDEFS_H
1376 #include <SupportDefs.h>
1379 # We also check for sig_atomic_t, which *should* be defined per ANSI
1380 # C, but is missing on some old platforms.
1381 AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1384 if test "$PORTNAME" != "win32"
1386 PGAC_FUNC_POSIX_SIGNALS
1387 if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
1389 Thread-safety requires POSIX signals, which are not supported by this
1394 if test $ac_cv_func_fseeko = yes; then
1398 # SunOS doesn't handle negative byte comparisons properly with +/- return
1402 # Select semaphore implementation type.
1403 if test "$PORTNAME" != "win32"; then
1404 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1405 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1406 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1408 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1409 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1410 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1412 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1413 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1417 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1418 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1422 # Select shared-memory implementation type.
1423 if test "$PORTNAME" != "win32"; then
1424 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1425 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1427 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1428 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1431 # If not set in template file, set bytes to use libc memset()
1432 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1433 MEMSET_LOOP_LIMIT=1024
1435 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1438 if test "$enable_nls" = yes ; then
1442 # Check for Tcl configuration script tclConfig.sh
1443 if test "$with_tcl" = yes; then
1444 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1445 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1446 [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1447 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1448 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1449 ac_save_CPPFLAGS=$CPPFLAGS
1450 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1451 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1452 CPPFLAGS=$ac_save_CPPFLAGS
1456 # Check for DocBook and tools
1460 PGAC_CHECK_DOCBOOK(4.2)
1461 PGAC_PATH_DOCBOOK_STYLESHEETS
1462 PGAC_PATH_COLLATEINDEX
1463 AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1467 # We have to run the thread test near the end so we have all our symbols
1468 # defined. Cross compiling throws a warning.
1470 if test "$enable_thread_safety_force" = yes; then
1471 if test "$PORTNAME" != "win32"
1474 *** Skipping thread test program. --enable-thread-safety-force was used.
1475 *** Run the program in src/test/thread on the your machine and add proper
1476 *** locking function calls to your applications to guarantee thread safety.
1479 AC_MSG_WARN([*** skipping thread test on Win32])
1481 elif test "$enable_thread_safety" = yes; then
1482 if test "$PORTNAME" != "win32"
1484 AC_MSG_CHECKING([thread safety of required library functions])
1488 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
1489 LIBS="$LIBS $PTHREAD_LIBS"
1490 AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
1491 [AC_MSG_RESULT(yes)],
1493 AC_MSG_ERROR([thread test program failed
1494 This platform is not thread-safe. Check the file 'config.log'for the
1497 You can use the configure option --enable-thread-safety-force to force
1498 threads to be enabled. But you must then run the program in
1499 src/test/thread and add locking function calls to your applications to
1500 guarantee thread safety.])],
1501 [AC_MSG_RESULT(maybe)
1503 *** Skipping thread test program because of cross-compile build.
1504 *** Run the program in src/test/thread on the target machine.
1509 AC_MSG_WARN([*** skipping thread test on Win32])
1513 # prepare build tree if outside source tree
1514 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
1515 # Note 2: /bin/pwd might be better than shell's built-in at getting
1516 # a symlink-free name.
1517 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
1521 if test "$no_create" != yes; then
1522 _AS_ECHO_N([preparing build tree... ])
1523 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
1524 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1525 || AC_MSG_ERROR(failed)
1529 AC_SUBST(vpath_build)
1532 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
1535 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1536 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
1537 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1538 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
1539 src/include/pg_config_os.h:src/include/port/${template}.h
1540 src/Makefile.port:src/makefiles/Makefile.${template}
1543 if test "$PORTNAME" = "win32"; then
1544 AC_CONFIG_COMMANDS([check_win32_symlinks],[
1545 # Links sometimes fail undetected on Mingw -
1546 # so here we detect it and warn the user
1547 for FILE in $CONFIG_LINKS
1549 # test -e works for symlinks in the MinGW console
1550 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
1555 AC_CONFIG_HEADERS([src/include/pg_config.h],
1557 # Update timestamp for pg_config.h (see Makefile.global)
1558 echo >src/include/stamp-h
1561 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h])
1565 # Warn about unknown options