1 dnl Process this file with autoconf to produce a configure script.
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], [10devel], [pgsql-bugs@postgresql.org])
22 m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
23 Untested combinations of 'autoconf' and PostgreSQL versions are not
24 recommended. You can remove the check from 'configure.in' but it is then
25 your responsibility whether the result works or not.])])
26 AC_COPYRIGHT([Copyright (c) 1996-2017, PostgreSQL Global Development Group])
27 AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
28 AC_CONFIG_AUX_DIR(config)
29 AC_PREFIX_DEFAULT(/usr/local/pgsql)
30 AC_SUBST(configure_args, [$ac_configure_args])
32 [PG_MAJORVERSION=`expr "$PACKAGE_VERSION" : '\([0-9][0-9]*\)'`]
33 AC_SUBST(PG_MAJORVERSION)
34 AC_DEFINE_UNQUOTED(PG_MAJORVERSION, "$PG_MAJORVERSION", [PostgreSQL major version as a string])
36 PGAC_ARG_REQ(with, extra-version, [STRING], [append STRING to version],
37 [PG_VERSION="$PACKAGE_VERSION$withval"],
38 [PG_VERSION="$PACKAGE_VERSION"])
39 AC_DEFINE_UNQUOTED(PG_VERSION, "$PG_VERSION", [PostgreSQL version as a string])
44 AC_MSG_CHECKING([which template to use])
46 PGAC_ARG_REQ(with, template, [NAME], [override operating system template],
49 list) echo; ls "$srcdir/src/template"; exit;;
50 *) if test -f "$srcdir/src/template/$with_template" ; then
53 AC_MSG_ERROR(['$withval' is not a valid template name. Use 'list' for a list.])
58 # --with-template not given
62 cygwin*) template=cygwin ;;
63 darwin*) template=darwin ;;
64 dragonfly*) template=netbsd ;;
65 freebsd*) template=freebsd ;;
66 hpux*) template=hpux ;;
67 linux*|gnu*|k*bsd*-gnu)
69 mingw*) template=win32 ;;
70 netbsd*) template=netbsd ;;
71 openbsd*) template=openbsd ;;
72 solaris*) template=solaris ;;
75 if test x"$template" = x"" ; then
77 *******************************************************************
78 PostgreSQL has apparently not been ported to your platform yet.
79 To try a manual configuration, look into the src/template directory
80 for a similar platform and use the '--with-template=' option.
82 Please also contact <pgsql-bugs@postgresql.org> to see about
83 rectifying this. Include the above 'checking host system type...'
85 *******************************************************************
91 AC_MSG_RESULT([$template])
96 # Initialize default assumption that we do not need separate assembly code
97 # for TAS (test-and-set). This can be overridden by the template file
105 ## Command line options
109 # Add non-standard directories to the include path
111 PGAC_ARG_REQ(with, includes, [DIRS], [look for additional header files in DIRS])
115 # Add non-standard directories to the library search path
117 PGAC_ARG_REQ(with, libraries, [DIRS], [look for additional libraries in DIRS],
118 [LIBRARY_DIRS=$withval])
120 PGAC_ARG_REQ(with, libs, [DIRS], [alternative spelling of --with-libraries],
121 [LIBRARY_DIRS=$withval])
125 # 64-bit integer date/time storage is now the only option, but to avoid
126 # unnecessary breakage of build scripts, continue to accept an explicit
127 # "--enable-integer-datetimes" switch.
129 PGAC_ARG_BOOL(enable, integer-datetimes, yes, [obsolete option, no longer supported],
131 [AC_MSG_ERROR([--disable-integer-datetimes is no longer supported])])
137 AC_MSG_CHECKING([whether NLS is wanted])
138 PGAC_ARG_OPTARG(enable, nls,
139 [LANGUAGES], [enable Native Language Support],
141 [WANTED_LANGUAGES=$enableval],
142 [AC_DEFINE(ENABLE_NLS, 1,
143 [Define to 1 if you want National Language Support. (--enable-nls)])])
144 AC_MSG_RESULT([$enable_nls])
146 AC_SUBST(WANTED_LANGUAGES)
149 # Default port number (--with-pgport), default 5432
151 AC_MSG_CHECKING([for default port number])
152 PGAC_ARG_REQ(with, pgport, [PORTNUM], [set default port number [5432]],
153 [default_port=$withval],
155 AC_MSG_RESULT([$default_port])
156 # Need both of these because some places want an integer and some a string
157 AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
158 [Define to the default TCP port number on which the server listens and
159 to which clients will try to connect. This can be overridden at run-time,
160 but it's convenient if your clients have the right default compiled in.
161 (--with-pgport=PORTNUM)])
162 AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
163 [Define to the default TCP port number as a string constant.])
164 AC_SUBST(default_port)
166 # It's worth validating port; you can get very confusing errors otherwise
167 if test x"$default_port" = x""; then
168 AC_MSG_ERROR([invalid --with-pgport specification: empty string])
169 elif test ! x`echo "$default_port" | sed -e 's/[[0-9]]*//'` = x""; then
170 AC_MSG_ERROR([invalid --with-pgport specification: must be a number])
171 elif test ! x`echo "$default_port" | sed -e 's/^0.//'` = x"$default_port"; then
172 AC_MSG_ERROR([invalid --with-pgport specification: must not have leading 0])
173 elif test "$default_port" -lt "1" -o "$default_port" -gt "65535"; then
174 AC_MSG_ERROR([invalid --with-pgport specification: must be between 1 and 65535])
178 # '-rpath'-like feature can be disabled
180 PGAC_ARG_BOOL(enable, rpath, yes,
181 [do not embed shared library search path in executables])
182 AC_SUBST(enable_rpath)
187 PGAC_ARG_BOOL(enable, spinlocks, yes,
188 [do not use spinlocks])
193 PGAC_ARG_BOOL(enable, atomics, yes,
194 [do not use atomic operations])
197 # Random number generation
199 PGAC_ARG_BOOL(enable, strong-random, yes,
200 [do not use a strong random number source])
201 AC_SUBST(enable_strong_random)
204 # --enable-debug adds -g to compiler flags
206 PGAC_ARG_BOOL(enable, debug, no,
207 [build with debugging symbols (-g)])
208 AC_SUBST(enable_debug)
211 # --enable-profiling enables gcc profiling
213 PGAC_ARG_BOOL(enable, profiling, no,
214 [build with profiling enabled ])
217 # --enable-coverage enables generation of code coverage metrics with gcov
219 PGAC_ARG_BOOL(enable, coverage, no,
220 [build with coverage testing instrumentation],
221 [AC_CHECK_PROGS(GCOV, gcov)
222 if test -z "$GCOV"; then
223 AC_MSG_ERROR([gcov not found])
225 AC_CHECK_PROGS(LCOV, lcov)
226 if test -z "$LCOV"; then
227 AC_MSG_ERROR([lcov not found])
229 AC_CHECK_PROGS(GENHTML, genhtml)
230 if test -z "$GENHTML"; then
231 AC_MSG_ERROR([genhtml not found])
233 AC_SUBST(enable_coverage)
238 PGAC_ARG_BOOL(enable, dtrace, no,
239 [build with DTrace support],
240 [AC_CHECK_PROGS(DTRACE, dtrace)
241 if test -z "$DTRACE"; then
242 AC_MSG_ERROR([dtrace not found])
244 AC_SUBST(DTRACEFLAGS)])
245 AC_SUBST(enable_dtrace)
250 PGAC_ARG_BOOL(enable, tap-tests, no,
251 [enable TAP tests (requires Perl and IPC::Run)])
252 AC_SUBST(enable_tap_tests)
257 AC_MSG_CHECKING([for block size])
258 PGAC_ARG_REQ(with, blocksize, [BLOCKSIZE], [set table block size in kB [8]],
259 [blocksize=$withval],
268 *) AC_MSG_ERROR([Invalid block size. Allowed values are 1,2,4,8,16,32.])
270 AC_MSG_RESULT([${blocksize}kB])
272 AC_DEFINE_UNQUOTED([BLCKSZ], ${BLCKSZ}, [
273 Size of a disk block --- this also limits the size of a tuple. You
274 can set it bigger if you need bigger tuples (although TOAST should
275 reduce the need to have large tuples, since fields can be spread
276 across multiple tuples).
278 BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ
279 is currently 2^15 (32768). This is determined by the 15-bit widths
280 of the lp_off and lp_len fields in ItemIdData (see
281 include/storage/itemid.h).
283 Changing BLCKSZ requires an initdb.
287 # Relation segment size
289 AC_MSG_CHECKING([for segment size])
290 PGAC_ARG_REQ(with, segsize, [SEGSIZE], [set table segment size in GB [1]],
293 # this expression is set up to avoid unnecessary integer overflow
294 # blocksize is already guaranteed to be a factor of 1024
295 RELSEG_SIZE=`expr '(' 1024 / ${blocksize} ')' '*' ${segsize} '*' 1024`
296 test $? -eq 0 || exit 1
297 AC_MSG_RESULT([${segsize}GB])
299 AC_DEFINE_UNQUOTED([RELSEG_SIZE], ${RELSEG_SIZE}, [
300 RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
301 Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
302 relations bigger than that are divided into multiple files.
304 RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file size.
305 This is often 2 GB or 4GB in a 32-bit operating system, unless you
306 have large file support enabled. By default, we make the limit 1 GB
307 to avoid any possible integer-overflow problems within the OS.
308 A limit smaller than necessary only means we divide a large
309 relation into more chunks than necessary, so it seems best to err
310 in the direction of a small limit.
312 A power-of-2 value is recommended to save a few cycles in md.c,
313 but is not absolutely required.
315 Changing RELSEG_SIZE requires an initdb.
321 AC_MSG_CHECKING([for WAL block size])
322 PGAC_ARG_REQ(with, wal-blocksize, [BLOCKSIZE], [set WAL block size in kB [8]],
323 [wal_blocksize=$withval],
325 case ${wal_blocksize} in
326 1) XLOG_BLCKSZ=1024;;
327 2) XLOG_BLCKSZ=2048;;
328 4) XLOG_BLCKSZ=4096;;
329 8) XLOG_BLCKSZ=8192;;
330 16) XLOG_BLCKSZ=16384;;
331 32) XLOG_BLCKSZ=32768;;
332 64) XLOG_BLCKSZ=65536;;
333 *) AC_MSG_ERROR([Invalid WAL block size. Allowed values are 1,2,4,8,16,32,64.])
335 AC_MSG_RESULT([${wal_blocksize}kB])
337 AC_DEFINE_UNQUOTED([XLOG_BLCKSZ], ${XLOG_BLCKSZ}, [
338 Size of a WAL file block. This need have no particular relation to BLCKSZ.
339 XLOG_BLCKSZ must be a power of 2, and if your system supports O_DIRECT I/O,
340 XLOG_BLCKSZ must be a multiple of the alignment requirement for direct-I/O
341 buffers, else direct I/O may fail.
343 Changing XLOG_BLCKSZ requires an initdb.
349 AC_MSG_CHECKING([for WAL segment size])
350 PGAC_ARG_REQ(with, wal-segsize, [SEGSIZE], [set WAL segment size in MB [16]],
351 [wal_segsize=$withval],
353 case ${wal_segsize} in
361 *) AC_MSG_ERROR([Invalid WAL segment size. Allowed values are 1,2,4,8,16,32,64.])
363 AC_MSG_RESULT([${wal_segsize}MB])
365 AC_DEFINE_UNQUOTED([XLOG_SEG_SIZE], [(${wal_segsize} * 1024 * 1024)], [
366 XLOG_SEG_SIZE is the size of a single WAL file. This must be a power of 2
367 and larger than XLOG_BLCKSZ (preferably, a great deal larger than
370 Changing XLOG_SEG_SIZE requires an initdb.
377 # For historical reasons you can also use --with-CC to specify the C compiler
378 # to use, although the standard way to do this is to set the CC environment
380 PGAC_ARG_REQ(with, CC, [CMD], [set compiler (deprecated)], [CC=$with_CC])
383 aix) pgac_cc_list="gcc xlc";;
384 *) pgac_cc_list="gcc cc";;
387 AC_PROG_CC([$pgac_cc_list])
389 # Check if it's Intel's compiler, which (usually) pretends to be gcc,
390 # but has idiosyncrasies of its own. We assume icc will define
391 # __INTEL_COMPILER regardless of CFLAGS.
392 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
394 @%:@endif])], [ICC=yes], [ICC=no])
396 # Check if it's Sun Studio compiler. We assume that
397 # __SUNPRO_C will be defined for Sun Studio compilers
398 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
400 @%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
402 AC_SUBST(SUN_STUDIO_CC)
409 . "$srcdir/src/template/$template" || exit
411 # CFLAGS are selected so:
412 # If the user specifies something in the environment, that is used.
413 # else: If the template file set something, that is used.
414 # else: If coverage was enabled, don't set anything.
415 # else: If the compiler is GCC, then we use -O2.
416 # else: If the compiler is something else, then we use -O, unless debugging.
418 if test "$ac_env_CFLAGS_set" = set; then
419 CFLAGS=$ac_env_CFLAGS_value
420 elif test "${CFLAGS+set}" = set; then
421 : # (keep what template set)
422 elif test "$enable_coverage" = yes; then
423 : # no optimization by default
424 elif test "$GCC" = yes; then
427 # if the user selected debug mode, don't use -O
428 if test "$enable_debug" != yes; then
433 # CFLAGS we determined above will be added back at the end
437 # set CFLAGS_VECTOR from the environment, if available
438 if test "$ac_env_CFLAGS_VECTOR_set" = set; then
439 CFLAGS_VECTOR=$ac_env_CFLAGS_VECTOR_value
442 # Some versions of GCC support some additional useful warning flags.
443 # Check whether they are supported, and add them to CFLAGS if so.
444 # ICC pretends to be GCC but it's lying; it doesn't support these flags,
445 # but has its own. Also check other compiler-specific flags here.
447 if test "$GCC" = yes -a "$ICC" = no; then
448 CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
449 # These work in some but not all gcc versions
450 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
451 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
452 PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
453 # This was included in -Wall/-Wformat in older GCC versions
454 PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
455 # Disable strict-aliasing rules; needed for gcc 3.3+
456 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
457 # Disable optimizations that assume no overflow; needed for gcc 4.3+
458 PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
459 # Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
460 PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
461 # Optimization flags for specific files that benefit from vectorization
462 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
463 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
464 # We want to suppress clang's unhelpful unused-command-line-argument warnings
465 # but gcc won't complain about unrecognized -Wno-foo switches, so we have to
466 # test for the positive form and if that works, add the negative form
467 PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wunused-command-line-argument])
468 if test -n "$NOT_THE_CFLAGS"; then
469 CFLAGS="$CFLAGS -Wno-unused-command-line-argument"
471 elif test "$ICC" = yes; then
472 # Intel's compiler has a bug/misoptimization in checking for
473 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
474 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
475 # Make sure strict aliasing is off (though this is said to be the default)
476 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
477 elif test "$PORTNAME" = "aix"; then
478 # AIX's xlc has to have strict aliasing turned off too
479 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
480 PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
481 elif test "$PORTNAME" = "hpux"; then
482 # On some versions of HP-UX, libm functions do not set errno by default.
483 # Fix that by using +Olibmerrno if the compiler recognizes it.
484 PGAC_PROG_CC_CFLAGS_OPT([+Olibmerrno])
487 AC_SUBST(CFLAGS_VECTOR, $CFLAGS_VECTOR)
489 # supply -g if --enable-debug
490 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
494 # enable code coverage if --enable-coverage
495 if test "$enable_coverage" = yes; then
496 if test "$GCC" = yes; then
497 CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
499 AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
503 # enable profiling if --enable-profiling
504 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
505 if test "$GCC" = yes; then
506 AC_DEFINE([PROFILE_PID_DIR], 1,
507 [Define to 1 to allow profiling output to be saved separately for each process.])
508 CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
510 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
514 # We already have this in Makefile.win32, but configure needs it too
515 if test "$PORTNAME" = "win32"; then
516 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
519 # Now that we're done automatically adding stuff to CFLAGS, put back the
520 # user-specified flags (if any) at the end. This lets users override
521 # the automatic additions.
522 CFLAGS="$CFLAGS $user_CFLAGS"
524 # Check if the compiler still works with the final flag settings
525 AC_MSG_CHECKING([whether the C compiler still works])
526 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
527 [AC_MSG_RESULT(yes)],
529 AC_MSG_ERROR([cannot proceed])])
531 # Defend against gcc -ffast-math
532 if test "$GCC" = yes; then
533 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
535 @%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
543 # Set up TAS assembly code if needed; the template file has now had its
544 # chance to request this.
546 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
548 if test "$need_tas" = yes ; then
557 # Automatic dependency tracking
559 PGAC_ARG_BOOL(enable, depend, no, [turn on automatic dependency tracking],
565 # Enable assert checks
567 PGAC_ARG_BOOL(enable, cassert, no, [enable assertion checks (for debugging)],
568 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
569 [Define to 1 to build with assertion checks. (--enable-cassert)])])
573 # Include directories
576 IFS="${IFS}${PATH_SEPARATOR}"
577 # SRCH_INC comes from the template file
578 for dir in $with_includes $SRCH_INC; do
579 if test -d "$dir"; then
580 INCLUDES="$INCLUDES -I$dir"
582 AC_MSG_WARN([*** Include directory $dir does not exist.])
590 # Library directories
593 IFS="${IFS}${PATH_SEPARATOR}"
594 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
595 for dir in $LIBRARY_DIRS $SRCH_LIB; do
596 if test -d "$dir"; then
597 LIBDIRS="$LIBDIRS -L$dir"
599 AC_MSG_WARN([*** Library directory $dir does not exist.])
605 # Enable thread-safe client libraries
607 AC_MSG_CHECKING([allow thread-safe client libraries])
608 PGAC_ARG_BOOL(enable, thread-safety, yes, [disable thread-safety in client libraries])
609 if test "$enable_thread_safety" = yes; then
610 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
611 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
613 AC_MSG_RESULT([$enable_thread_safety])
614 AC_SUBST(enable_thread_safety)
619 AC_MSG_CHECKING([whether to build with ICU support])
620 PGAC_ARG_BOOL(with, icu, no, [build with ICU support],
621 [AC_DEFINE([USE_ICU], 1, [Define to build with ICU support. (--with-icu)])])
622 AC_MSG_RESULT([$with_icu])
625 if test "$with_icu" = yes; then
626 PKG_CHECK_MODULES(ICU, icu-uc icu-i18n)
630 # Optionally build Tcl modules (PL/Tcl)
632 AC_MSG_CHECKING([whether to build with Tcl])
633 PGAC_ARG_BOOL(with, tcl, no, [build Tcl modules (PL/Tcl)])
634 AC_MSG_RESULT([$with_tcl])
637 # We see if the path to the Tcl/Tk configuration scripts is specified.
638 # This will override the use of tclsh to find the paths to search.
640 PGAC_ARG_REQ(with, tclconfig, [DIR], [tclConfig.sh is in DIR])
643 # Optionally build Perl modules (PL/Perl)
645 AC_MSG_CHECKING([whether to build Perl modules])
646 PGAC_ARG_BOOL(with, perl, no, [build Perl modules (PL/Perl)])
647 AC_MSG_RESULT([$with_perl])
651 # Optionally build Python modules (PL/Python)
653 AC_MSG_CHECKING([whether to build Python modules])
654 PGAC_ARG_BOOL(with, python, no, [build Python modules (PL/Python)])
655 AC_MSG_RESULT([$with_python])
656 AC_SUBST(with_python)
661 AC_MSG_CHECKING([whether to build with GSSAPI support])
662 PGAC_ARG_BOOL(with, gssapi, no, [build with GSSAPI support],
664 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
665 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
667 AC_MSG_RESULT([$with_gssapi])
674 # Kerberos configuration parameters
676 PGAC_ARG_REQ(with, krb-srvnam,
677 [NAME], [default service principal name in Kerberos (GSSAPI) [postgres]],
679 [with_krb_srvnam="postgres"])
680 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
681 [Define to the name of the default PostgreSQL service principal in Kerberos (GSSAPI). (--with-krb-srvnam=NAME)])
687 AC_MSG_CHECKING([whether to build with PAM support])
688 PGAC_ARG_BOOL(with, pam, no,
689 [build with PAM support],
690 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
691 AC_MSG_RESULT([$with_pam])
697 AC_MSG_CHECKING([whether to build with BSD Authentication support])
698 PGAC_ARG_BOOL(with, bsd-auth, no,
699 [build with BSD Authentication support],
700 [AC_DEFINE([USE_BSD_AUTH], 1, [Define to 1 to build with BSD Authentication support. (--with-bsd-auth)])])
701 AC_MSG_RESULT([$with_bsd_auth])
707 AC_MSG_CHECKING([whether to build with LDAP support])
708 PGAC_ARG_BOOL(with, ldap, no,
709 [build with LDAP support],
710 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
711 AC_MSG_RESULT([$with_ldap])
717 AC_MSG_CHECKING([whether to build with Bonjour support])
718 PGAC_ARG_BOOL(with, bonjour, no,
719 [build with Bonjour support],
720 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
721 AC_MSG_RESULT([$with_bonjour])
727 AC_MSG_CHECKING([whether to build with OpenSSL support])
728 PGAC_ARG_BOOL(with, openssl, no, [build with OpenSSL support],
729 [AC_DEFINE([USE_OPENSSL], 1, [Define to build with OpenSSL support. (--with-openssl)])])
730 AC_MSG_RESULT([$with_openssl])
731 AC_SUBST(with_openssl)
736 AC_MSG_CHECKING([whether to build with SELinux support])
737 PGAC_ARG_BOOL(with, selinux, no, [build with SELinux support])
738 AC_SUBST(with_selinux)
739 AC_MSG_RESULT([$with_selinux])
744 AC_MSG_CHECKING([whether to build with systemd support])
745 PGAC_ARG_BOOL(with, systemd, no, [build with systemd support],
746 [AC_DEFINE([USE_SYSTEMD], 1, [Define to build with systemd support. (--with-systemd)])])
747 AC_SUBST(with_systemd)
748 AC_MSG_RESULT([$with_systemd])
753 PGAC_ARG_BOOL(with, readline, yes,
754 [do not use GNU Readline nor BSD Libedit for editing])
755 # readline on MinGW has problems with backslashes in psql and other bugs.
756 # This is particularly a problem with non-US code pages.
757 # Therefore disable its use until we understand the cause. 2004-07-20
758 if test "$PORTNAME" = "win32"; then
759 if test "$with_readline" = yes; then
760 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
769 PGAC_ARG_BOOL(with, libedit-preferred, no,
770 [prefer BSD Libedit over GNU Readline])
776 # There are at least three UUID libraries in common use: the FreeBSD/NetBSD
777 # library, the e2fsprogs libuuid (now part of util-linux-ng), and the OSSP
778 # UUID library. More than one of these might be present on a given platform,
779 # so we make the user say which one she wants.
781 PGAC_ARG_REQ(with, uuid, [LIB], [build contrib/uuid-ossp using LIB (bsd,e2fs,ossp)])
782 if test x"$with_uuid" = x"" ; then
785 PGAC_ARG_BOOL(with, ossp-uuid, no, [obsolete spelling of --with-uuid=ossp])
786 if test "$with_ossp_uuid" = yes ; then
790 if test "$with_uuid" = bsd ; then
791 AC_DEFINE([HAVE_UUID_BSD], 1, [Define to 1 if you have BSD UUID support.])
792 UUID_EXTRA_OBJS="md5.o sha1.o"
793 elif test "$with_uuid" = e2fs ; then
794 AC_DEFINE([HAVE_UUID_E2FS], 1, [Define to 1 if you have E2FS UUID support.])
795 UUID_EXTRA_OBJS="md5.o sha1.o"
796 elif test "$with_uuid" = ossp ; then
797 AC_DEFINE([HAVE_UUID_OSSP], 1, [Define to 1 if you have OSSP UUID support.])
799 elif test "$with_uuid" = no ; then
802 AC_MSG_ERROR([--with-uuid must specify one of bsd, e2fs, or ossp])
805 AC_SUBST(UUID_EXTRA_OBJS)
811 PGAC_ARG_BOOL(with, libxml, no, [build with XML support],
812 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
814 if test "$with_libxml" = yes ; then
815 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
816 if test -n "$XML2_CONFIG"; then
817 for pgac_option in `$XML2_CONFIG --cflags`; do
819 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
822 for pgac_option in `$XML2_CONFIG --libs`; do
824 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
830 AC_SUBST(with_libxml)
835 PGAC_ARG_BOOL(with, libxslt, no, [use XSLT support when building contrib/xml2],
836 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
839 AC_SUBST(with_libxslt)
844 PGAC_ARG_REQ(with, system-tzdata,
845 [DIR], [use system time zone data in DIR])
846 AC_SUBST(with_system_tzdata)
851 PGAC_ARG_BOOL(with, zlib, yes,
859 # Assume system is ELF if it predefines __ELF__ as 1,
860 # otherwise believe host_os based default.
862 freebsd1*|freebsd2*) elf=no;;
863 freebsd3*|freebsd4*) elf=yes;;
872 [if test "X$elf" = "Xyes" ; then
883 CPPFLAGS="$CPPFLAGS $INCLUDES"
884 LDFLAGS="$LDFLAGS $LIBDIRS"
886 AC_ARG_VAR(LDFLAGS_EX, [extra linker flags for linking executables only])
887 AC_ARG_VAR(LDFLAGS_SL, [extra linker flags for linking shared libraries only])
891 AC_SUBST(with_gnu_ld)
894 AC_CHECK_TOOL(AR, ar, ar)
895 if test "$PORTNAME" = "win32"; then
896 AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
897 AC_CHECK_TOOL(DLLWRAP, dllwrap, dllwrap)
898 AC_CHECK_TOOL(WINDRES, windres, windres)
902 # When Autoconf chooses install-sh as install program it tries to generate
903 # a relative path to it in each makefile where it substitutes it. This clashes
904 # with our Makefile.global concept. This workaround helps.
906 *install-sh*) install_bin='';;
907 *) install_bin=$INSTALL;;
909 AC_SUBST(install_bin)
911 AC_PATH_PROG(TAR, tar)
915 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
916 # a relative path to it in each makefile where it substitutes it. This clashes
917 # with our Makefile.global concept. This workaround helps.
919 *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
926 if test "$with_perl" = yes; then
927 if test -z "$PERL"; then
928 AC_MSG_ERROR([Perl not found])
930 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
931 if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
932 AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
933 You might have to rebuild your Perl installation. Refer to the
934 documentation for details. Use --without-perl to disable building
937 PGAC_CHECK_PERL_EMBED_LDFLAGS
940 if test "$with_python" = yes; then
942 PGAC_CHECK_PYTHON_EMBED_SETUP
945 if test "$cross_compiling" = yes && test -z "$with_system_tzdata"; then
946 AC_PATH_PROG(ZIC, zic)
947 if test -z "$ZIC"; then
949 When cross-compiling, either use the option --with-system-tzdata to use
950 existing time-zone data, or set the environment variable ZIC to a zic
951 program to use during the build.])
958 # For each platform, we need to know about any special compile and link
959 # libraries, and whether the normal C function names are thread-safe.
960 # See the comment at the top of src/port/thread.c for more information.
961 # WIN32 doesn't need the pthread tests; it always uses threads
963 # These tests are run before the library-tests, because linking with the
964 # other libraries can pull in the pthread functions as a side-effect. We
965 # want to use the -pthread or similar flags directly, and not rely on
966 # the side-effects of linking with some other library.
968 # note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
969 # invocation below is the first one in the script, and autoconf generates
970 # additional code for that, which must not be inside the if-block. AS_IF
971 # knows how to do that.
972 AS_IF([test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"],
974 AX_PTHREAD # set thread flags
976 # Some platforms use these, so just define them. They can't hurt if they
977 # are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
978 # enables 5-arg getpwuid_r, among other things.
979 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
981 # Check for *_r functions
984 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
985 LIBS="$LIBS $PTHREAD_LIBS"
987 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
988 pthread.h not found; use --disable-thread-safety to disable thread safety])])
990 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
992 # Do test here with the proper thread flags
993 PGAC_FUNC_STRERROR_R_INT
999 # do not use values from template file
1004 AC_SUBST(PTHREAD_CFLAGS)
1005 AC_SUBST(PTHREAD_LIBS)
1011 ## Most libraries are included only if they demonstrably provide a function
1012 ## we need, but libm is an exception: always include it, because there are
1013 ## too many compilers that play cute optimization games that will break
1014 ## probes for standard functions such as pow().
1017 AC_CHECK_LIB(m, main)
1018 AC_SEARCH_LIBS(setproctitle, util)
1019 AC_SEARCH_LIBS(dlopen, dl)
1020 AC_SEARCH_LIBS(socket, [socket ws2_32])
1021 AC_SEARCH_LIBS(shl_load, dld)
1022 # We only use libld in port/dynloader/aix.c
1025 AC_SEARCH_LIBS(ldopen, ld)
1028 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
1029 AC_SEARCH_LIBS(crypt, crypt)
1030 AC_SEARCH_LIBS(shm_open, rt)
1031 AC_SEARCH_LIBS(shm_unlink, rt)
1032 AC_SEARCH_LIBS(clock_gettime, [rt posix4])
1034 AC_SEARCH_LIBS(fdatasync, [rt posix4])
1035 # Required for thread_test.c on Solaris
1036 AC_SEARCH_LIBS(sched_yield, rt)
1037 # Required for thread_test.c on Solaris 2.5:
1038 # Other ports use it too (HP-UX) so test unconditionally
1039 AC_SEARCH_LIBS(gethostbyname_r, nsl)
1041 AC_SEARCH_LIBS(shmget, cygipc)
1043 if test "$with_readline" = yes; then
1045 if test x"$pgac_cv_check_readline" = x"no"; then
1046 AC_MSG_ERROR([readline library not found
1047 If you have readline already installed, see config.log for details on the
1048 failure. It is possible the compiler isn't looking in the proper directory.
1049 Use --without-readline to disable readline support.])
1053 if test "$with_zlib" = yes; then
1054 AC_CHECK_LIB(z, inflate, [],
1055 [AC_MSG_ERROR([zlib library not found
1056 If you have zlib already installed, see config.log for details on the
1057 failure. It is possible the compiler isn't looking in the proper directory.
1058 Use --without-zlib to disable zlib support.])])
1061 if test "$enable_spinlocks" = yes; then
1062 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
1065 *** Not using spinlocks will cause poor performance.])
1068 if test "$enable_atomics" = yes; then
1069 AC_DEFINE(HAVE_ATOMICS, 1, [Define to 1 if you want to use atomics if available.])
1072 *** Not using atomic operations will cause poor performance.])
1075 if test "$with_gssapi" = yes ; then
1076 if test "$PORTNAME" != "win32"; then
1077 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
1078 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
1080 LIBS="$LIBS -lgssapi32"
1084 if test "$with_openssl" = yes ; then
1086 if test "$PORTNAME" != "win32"; then
1087 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1088 AC_CHECK_LIB(ssl, SSL_new, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1090 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1091 AC_SEARCH_LIBS(SSL_new, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1093 AC_CHECK_FUNCS([SSL_get_current_compression])
1094 # Functions introduced in OpenSSL 1.1.0. We used to check for
1095 # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
1096 # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
1097 # doesn't have these OpenSSL 1.1.0 functions. So check for individual
1099 AC_CHECK_FUNCS([OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL])
1100 # OpenSSL versions before 1.1.0 required setting callback functions, for
1101 # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
1102 # function was removed.
1103 AC_CHECK_FUNCS([CRYPTO_lock])
1106 if test "$with_pam" = yes ; then
1107 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
1110 if test "$with_libxml" = yes ; then
1111 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
1114 if test "$with_libxslt" = yes ; then
1115 AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
1118 # Note: We can test for libldap_r only after we know PTHREAD_LIBS
1119 if test "$with_ldap" = yes ; then
1121 if test "$PORTNAME" != "win32"; then
1122 AC_CHECK_LIB(ldap, ldap_bind, [],
1123 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1125 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1126 if test "$enable_thread_safety" = yes; then
1127 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1128 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1129 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1130 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1131 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1133 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1136 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1137 LDAP_LIBS_FE="-lwldap32"
1138 LDAP_LIBS_BE="-lwldap32"
1142 AC_SUBST(LDAP_LIBS_FE)
1143 AC_SUBST(LDAP_LIBS_BE)
1145 # for contrib/sepgsql
1146 if test "$with_selinux" = yes; then
1147 AC_CHECK_LIB(selinux, security_compute_create_name, [],
1148 [AC_MSG_ERROR([library 'libselinux', version 2.1.10 or newer, is required for SELinux support])])
1151 # for contrib/uuid-ossp
1152 if test "$with_uuid" = bsd ; then
1153 # On BSD, the UUID functions are in libc
1154 AC_CHECK_FUNC(uuid_to_string,
1156 [AC_MSG_ERROR([BSD UUID functions are not present])])
1157 elif test "$with_uuid" = e2fs ; then
1158 # On macOS, the UUID functions are in libc
1159 AC_CHECK_FUNC(uuid_generate,
1161 [AC_CHECK_LIB(uuid, uuid_generate,
1162 [UUID_LIBS="-luuid"],
1163 [AC_MSG_ERROR([library 'uuid' is required for E2FS UUID])])])
1164 elif test "$with_uuid" = ossp ; then
1165 AC_CHECK_LIB(ossp-uuid, uuid_export,
1166 [UUID_LIBS="-lossp-uuid"],
1167 [AC_CHECK_LIB(uuid, uuid_export,
1168 [UUID_LIBS="-luuid"],
1169 [AC_MSG_ERROR([library 'ossp-uuid' or 'uuid' is required for OSSP UUID])])])
1178 AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
1180 # On BSD, test for net/if.h will fail unless sys/socket.h
1181 # is included first.
1182 AC_CHECK_HEADERS(net/if.h, [], [],
1183 [AC_INCLUDES_DEFAULT
1184 #include <sys/socket.h>
1187 # On OpenBSD, test for sys/ucred.h will fail unless sys/param.h
1188 # is included first.
1189 AC_CHECK_HEADERS(sys/ucred.h, [], [],
1190 [AC_INCLUDES_DEFAULT
1191 #include <sys/param.h>
1194 # At least on IRIX, test for netinet/tcp.h will fail unless
1195 # netinet/in.h is included first.
1196 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
1197 [AC_INCLUDES_DEFAULT
1198 #include <netinet/in.h>
1201 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
1202 AC_CHECK_HEADERS(readline/readline.h, [],
1203 [AC_CHECK_HEADERS(readline.h, [],
1204 [AC_MSG_ERROR([readline header not found
1205 If you have readline already installed, see config.log for details on the
1206 failure. It is possible the compiler isn't looking in the proper directory.
1207 Use --without-readline to disable readline support.])])])
1208 AC_CHECK_HEADERS(readline/history.h, [],
1209 [AC_CHECK_HEADERS(history.h, [],
1210 [AC_MSG_ERROR([history header not found
1211 If you have readline already installed, see config.log for details on the
1212 failure. It is possible the compiler isn't looking in the proper directory.
1213 Use --without-readline to disable readline support.])])])
1216 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
1217 # Some installations of libedit usurp /usr/include/readline/, which seems
1218 # bad practice, since in combined installations readline will have its headers
1219 # there. We might have to resort to AC_EGREP checks to make sure we found
1220 # the proper header...
1221 AC_CHECK_HEADERS(editline/readline.h, [],
1222 [AC_CHECK_HEADERS(readline.h, [],
1223 [AC_CHECK_HEADERS(readline/readline.h, [],
1224 [AC_MSG_ERROR([readline header not found
1225 If you have libedit already installed, see config.log for details on the
1226 failure. It is possible the compiler isn't looking in the proper directory.
1227 Use --without-readline to disable libedit support.])])])])
1228 # Note: in a libedit installation, history.h is sometimes a dummy, and may
1229 # not be there at all. Hence, don't complain if not found. We must check
1230 # though, since in yet other versions it is an independent header.
1231 AC_CHECK_HEADERS(editline/history.h, [],
1232 [AC_CHECK_HEADERS(history.h, [],
1233 [AC_CHECK_HEADERS(readline/history.h)])])
1236 if test "$with_zlib" = yes; then
1237 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
1238 If you have zlib already installed, see config.log for details on the
1239 failure. It is possible the compiler isn't looking in the proper directory.
1240 Use --without-zlib to disable zlib support.])])
1243 if test "$with_gssapi" = yes ; then
1244 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
1245 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
1248 if test "$with_openssl" = yes ; then
1249 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
1250 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
1253 if test "$with_pam" = yes ; then
1254 AC_CHECK_HEADERS(security/pam_appl.h, [],
1255 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
1256 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
1259 if test "$with_bsd_auth" = yes ; then
1260 AC_CHECK_HEADER(bsd_auth.h, [], [AC_MSG_ERROR([header file <bsd_auth.h> is required for BSD Authentication support])])
1263 if test "$with_systemd" = yes ; then
1264 AC_CHECK_HEADER(systemd/sd-daemon.h, [], [AC_MSG_ERROR([header file <systemd/sd-daemon.h> is required for systemd support])])
1267 if test "$with_libxml" = yes ; then
1268 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
1271 if test "$with_libxslt" = yes ; then
1272 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
1275 if test "$with_ldap" = yes ; then
1276 if test "$PORTNAME" != "win32"; then
1277 AC_CHECK_HEADERS(ldap.h, [],
1278 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
1281 AC_CHECK_HEADERS(winldap.h, [],
1282 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
1283 [AC_INCLUDES_DEFAULT
1284 #include <windows.h>
1289 if test "$with_bonjour" = yes ; then
1290 AC_CHECK_HEADER(dns_sd.h, [], [AC_MSG_ERROR([header file <dns_sd.h> is required for Bonjour])])
1293 # for contrib/uuid-ossp
1294 if test "$with_uuid" = bsd ; then
1295 AC_CHECK_HEADERS(uuid.h,
1296 [AC_EGREP_HEADER([uuid_to_string], uuid.h, [],
1297 [AC_MSG_ERROR([header file <uuid.h> does not match BSD UUID library])])],
1298 [AC_MSG_ERROR([header file <uuid.h> is required for BSD UUID])])
1299 elif test "$with_uuid" = e2fs ; then
1300 AC_CHECK_HEADERS(uuid/uuid.h,
1301 [AC_EGREP_HEADER([uuid_generate], uuid/uuid.h, [],
1302 [AC_MSG_ERROR([header file <uuid/uuid.h> does not match E2FS UUID library])])],
1303 [AC_CHECK_HEADERS(uuid.h,
1304 [AC_EGREP_HEADER([uuid_generate], uuid.h, [],
1305 [AC_MSG_ERROR([header file <uuid.h> does not match E2FS UUID library])])],
1306 [AC_MSG_ERROR([header file <uuid/uuid.h> or <uuid.h> is required for E2FS UUID])])])
1307 elif test "$with_uuid" = ossp ; then
1308 AC_CHECK_HEADERS(ossp/uuid.h,
1309 [AC_EGREP_HEADER([uuid_export], ossp/uuid.h, [],
1310 [AC_MSG_ERROR([header file <ossp/uuid.h> does not match OSSP UUID library])])],
1311 [AC_CHECK_HEADERS(uuid.h,
1312 [AC_EGREP_HEADER([uuid_export], uuid.h, [],
1313 [AC_MSG_ERROR([header file <uuid.h> does not match OSSP UUID library])])],
1314 [AC_MSG_ERROR([header file <ossp/uuid.h> or <uuid.h> is required for OSSP UUID])])])
1317 if test "$PORTNAME" = "win32" ; then
1318 AC_CHECK_HEADERS(crtdefs.h)
1322 ## Types, structures, compiler characteristics
1325 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1328 PGAC_PRINTF_ARCHETYPE
1329 AC_C_FLEXIBLE_ARRAY_MEMBER
1331 PGAC_C_FUNCNAME_SUPPORT
1332 PGAC_C_STATIC_ASSERT
1334 PGAC_C_TYPES_COMPATIBLE
1335 PGAC_C_BUILTIN_BSWAP32
1336 PGAC_C_BUILTIN_BSWAP64
1337 PGAC_C_BUILTIN_CONSTANT_P
1338 PGAC_C_BUILTIN_UNREACHABLE
1339 PGAC_C_COMPUTED_GOTO
1341 PGAC_STRUCT_TIMEZONE
1343 PGAC_STRUCT_SOCKADDR_UN
1344 PGAC_STRUCT_SOCKADDR_STORAGE
1345 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1346 PGAC_STRUCT_ADDRINFO
1349 AC_TYPE_LONG_LONG_INT
1353 AC_CHECK_TYPES([struct cmsgcred], [], [],
1354 [#include <sys/socket.h>
1355 #include <sys/param.h>
1356 #ifdef HAVE_SYS_UCRED_H
1357 #include <sys/ucred.h>
1360 AC_CHECK_TYPES([struct option], [], [],
1361 [#ifdef HAVE_GETOPT_H
1365 if test "$with_zlib" = yes; then
1366 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
1367 # did not). While we could work around the lack of z_streamp, it
1368 # seems unwise to encourage people to use such old zlib versions...
1369 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
1370 Use --without-zlib to disable zlib support.])],
1371 [#include <zlib.h>])
1374 # On PPC, check if assembler supports LWARX instruction's mutex hint bit
1377 AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
1378 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
1379 [int a = 0; int *p = &a; int r;
1380 __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
1381 [pgac_cv_have_ppc_mutex_hint=yes],
1382 [pgac_cv_have_ppc_mutex_hint=no])
1383 AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
1384 if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
1385 AC_DEFINE(HAVE_PPC_LWARX_MUTEX_HINT, 1, [Define to 1 if the assembler supports PPC's LWARX mutex hint bit.])
1390 # Check largefile support. You might think this is a system service not a
1391 # compiler characteristic, but you'd be wrong. We must check this before
1392 # probing existence of related functions such as fseeko, since the largefile
1393 # defines can affect what is generated for that.
1394 if test "$PORTNAME" != "win32"; then
1396 dnl Autoconf 2.69's AC_SYS_LARGEFILE believes it's a good idea to #define
1397 dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on macOS 10.5 that activates a
1398 dnl bug that causes readdir() to sometimes return EINVAL. On later macOS
1399 dnl versions where the feature actually works, it's on by default anyway.
1400 AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],[])
1403 # Check for largefile support (must be after AC_SYS_LARGEFILE)
1404 AC_CHECK_SIZEOF([off_t])
1406 # If we don't have largefile support, can't handle segsize >= 2GB.
1407 if test "$ac_cv_sizeof_off_t" -lt 8 -a "$segsize" != "1"; then
1408 AC_MSG_ERROR([Large file support is not enabled. Segment size cannot be larger than 1GB.])
1413 ## Functions, global variables
1416 PGAC_VAR_INT_TIMEZONE
1417 AC_FUNC_ACCEPT_ARGTYPES
1418 PGAC_FUNC_GETTIMEOFDAY_1ARG
1419 PGAC_FUNC_WCSTOMBS_L
1421 # Some versions of libedit contain strlcpy(), setproctitle(), and other
1422 # symbols that that library has no business exposing to the world. Pending
1423 # acquisition of a clue by those developers, ignore libedit (including its
1424 # possible alias of libreadline) while checking for everything else.
1425 LIBS_including_readline="$LIBS"
1426 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1428 AC_CHECK_FUNCS([cbrt clock_gettime dlopen fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll pstat pthread_is_threaded_np readlink setproctitle setsid shm_open symlink sync_file_range towlower utime utimes wcstombs wcstombs_l])
1430 AC_REPLACE_FUNCS(fseeko)
1432 # NetBSD uses a custom fseeko/ftello built on fsetpos/fgetpos
1433 # Mingw uses macros to access Win32 API calls
1435 AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 because replacement version used.])
1436 ac_cv_func_fseeko=yes;;
1441 # posix_fadvise() is a no-op on Solaris, so don't incur function overhead
1442 # by calling it, 2009-04-02
1443 # http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/posix_fadvise.c
1444 if test "$PORTNAME" != "solaris"; then
1445 AC_CHECK_FUNCS(posix_fadvise)
1446 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
1449 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1450 AC_CHECK_DECLS([strlcat, strlcpy])
1451 # This is probably only present on macOS, but may as well check always
1452 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
1455 AC_CHECK_TYPE([struct sockaddr_in6],
1456 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
1459 [$ac_includes_default
1460 #include <netinet/in.h>])
1463 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
1464 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
1465 [#include <machine/vmparam.h>
1466 #include <sys/exec.h>
1468 [PS_STRINGS->ps_nargvstr = 1;
1469 PS_STRINGS->ps_argvstr = "foo";])],
1470 [pgac_cv_var_PS_STRINGS=yes],
1471 [pgac_cv_var_PS_STRINGS=no])])
1472 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1473 AC_DEFINE([HAVE_PS_STRINGS], 1, [Define to 1 if the PS_STRINGS thing exists.])
1477 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1478 # is missing. Yes, there are machines that have only one. We may
1479 # also decide to use snprintf.c if snprintf() is present but does not
1480 # have all the features we need --- see below.
1482 if test "$PORTNAME" = "win32"; then
1483 # Win32 gets snprintf.c built unconditionally.
1485 # To properly translate all NLS languages strings, we must support the
1486 # *printf() %$ format, which allows *printf() arguments to be selected
1487 # by position in the translated string.
1489 # libintl versions < 0.13 use the native *printf() functions, and Win32
1490 # *printf() doesn't understand %$, so we must use our /port versions,
1491 # which do understand %$. libintl versions >= 0.13 include their own
1492 # *printf versions on Win32. The libintl 0.13 release note text is:
1494 # C format strings with positions, as they arise when a translator
1495 # needs to reorder a sentence, are now supported on all platforms.
1496 # On those few platforms (NetBSD and Woe32) for which the native
1497 # printf()/fprintf()/... functions don't support such format
1498 # strings, replacements are provided through <libintl.h>.
1500 # We could use libintl >= 0.13's *printf() if we were sure that we had
1501 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1502 # to guarantee that, it is best to just use our own, so we are sure to
1503 # get %$ support. In include/port.h we disable the *printf() macros
1504 # that might have been defined by libintl.
1506 # We do this unconditionally whether NLS is used or not so we are sure
1507 # that all Win32 libraries and binaries behave the same.
1508 pgac_need_repl_snprintf=yes
1510 pgac_need_repl_snprintf=no
1511 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1512 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1516 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1517 # include/c.h will provide declarations. Note this is a separate test
1518 # from whether the functions exist in the C library --- there are
1519 # systems that have the functions but don't bother to declare them :-(
1521 AC_CHECK_DECLS([snprintf, vsnprintf])
1524 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1525 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1526 [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1530 [return isinf(glob_double) ? 0 : 1;])],
1531 [ac_cv_func_isinf=yes],
1532 [ac_cv_func_isinf=no])])
1534 if test $ac_cv_func_isinf = yes ; then
1535 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1538 # Look for a way to implement a substitute for isinf()
1539 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1542 AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy])
1546 # Windows uses a specialised env handler
1547 # and doesn't need a replacement getpeereid because it doesn't use
1550 AC_DEFINE(HAVE_UNSETENV, 1, [Define to 1 because replacement version used.])
1551 AC_DEFINE(HAVE_GETPEEREID, 1, [Define to 1 because function not required.])
1552 ac_cv_func_unsetenv=yes
1553 ac_cv_func_getpeereid=yes;;
1555 AC_REPLACE_FUNCS([unsetenv getpeereid])
1559 # System's version of getaddrinfo(), if any, may be used only if we found
1560 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1561 # We use only our own getaddrinfo.c on Windows, but it's time to revisit that.
1562 if test x"$ac_cv_type_struct_addrinfo" = xyes && \
1563 test "$PORTNAME" != "win32"; then
1564 AC_REPLACE_FUNCS([getaddrinfo])
1566 AC_LIBOBJ(getaddrinfo)
1569 # Similarly, use system's getopt_long() only if system provides struct option.
1570 if test x"$ac_cv_type_struct_option" = xyes ; then
1571 AC_REPLACE_FUNCS([getopt_long])
1573 AC_LIBOBJ(getopt_long)
1576 # Solaris' getopt() doesn't do what we want for long options, so always use
1577 # our version on that platform.
1578 if test "$PORTNAME" = "solaris"; then
1582 # mingw has adopted a GNU-centric interpretation of optind/optreset,
1583 # so always use our version on Windows.
1584 if test "$PORTNAME" = "win32"; then
1586 AC_LIBOBJ(getopt_long)
1589 # Win32 (really MinGW) support
1590 if test "$PORTNAME" = "win32"; then
1591 AC_REPLACE_FUNCS(gettimeofday)
1597 AC_LIBOBJ(win32error)
1598 AC_LIBOBJ(win32security)
1599 AC_LIBOBJ(win32setlocale)
1600 AC_DEFINE([HAVE_SYMLINK], 1,
1601 [Define to 1 if you have the `symlink' function.])
1602 AC_CHECK_TYPES(MINIDUMP_TYPE, [pgac_minidump_type=yes], [pgac_minidump_type=no], [
1603 #define WIN32_LEAN_AND_MEAN
1604 #include <windows.h>
1606 #include <dbghelp.h>])
1608 if test x"$pgac_minidump_type" = x"yes" ; then
1609 AC_SUBST(have_win32_dbghelp,yes)
1611 AC_SUBST(have_win32_dbghelp,no)
1614 # Cygwin needs only a bit of that
1615 if test "$PORTNAME" = "cygwin"; then
1619 AC_CHECK_DECLS([sys_siglist], [], [],
1620 [#include <signal.h>
1621 /* NetBSD declares sys_siglist in unistd.h. */
1622 #ifdef HAVE_UNISTD_H
1623 # include <unistd.h>
1627 AC_CHECK_FUNC(syslog,
1628 [AC_CHECK_HEADER(syslog.h,
1629 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1631 AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
1632 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1633 [extern int opterr; opterr = 1;])],
1634 [pgac_cv_var_int_opterr=yes],
1635 [pgac_cv_var_int_opterr=no])])
1636 if test x"$pgac_cv_var_int_opterr" = x"yes"; then
1637 AC_DEFINE(HAVE_INT_OPTERR, 1, [Define to 1 if you have the global variable 'int opterr'.])
1640 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1641 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1642 [extern int optreset; optreset = 1;])],
1643 [pgac_cv_var_int_optreset=yes],
1644 [pgac_cv_var_int_optreset=no])])
1645 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1646 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1649 AC_CHECK_FUNCS([strtoll strtoq], [break])
1650 AC_CHECK_FUNCS([strtoull strtouq], [break])
1652 if test "$with_icu" = yes; then
1653 # ICU functions are macros, so we need to do this the long way.
1655 # ucol_strcollUTF8() appeared in ICU 50.
1656 AC_CACHE_CHECK([for ucol_strcollUTF8], [pgac_cv_func_ucol_strcollUTF8],
1657 [ac_save_CPPFLAGS=$CPPFLAGS
1658 CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
1660 LIBS="$ICU_LIBS $LIBS"
1661 AC_LINK_IFELSE([AC_LANG_PROGRAM(
1662 [#include <unicode/ucol.h>
1664 [ucol_strcollUTF8(NULL, NULL, 0, NULL, 0, NULL);])],
1665 [pgac_cv_func_ucol_strcollUTF8=yes],
1666 [pgac_cv_func_ucol_strcollUTF8=no])
1667 CPPFLAGS=$ac_save_CPPFLAGS
1668 LIBS=$ac_save_LIBS])
1669 if test "$pgac_cv_func_ucol_strcollUTF8" = yes ; then
1670 AC_DEFINE([HAVE_UCOL_STRCOLLUTF8], 1, [Define to 1 if you have the `ucol_strcollUTF8' function.])
1674 # Lastly, restore full LIBS list and check for readline/libedit symbols
1675 LIBS="$LIBS_including_readline"
1677 if test "$with_readline" = yes; then
1678 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1679 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function rl_reset_screen_size])
1680 AC_CHECK_FUNCS([append_history history_truncate_file])
1684 # This test makes sure that run tests work at all. Sometimes a shared
1685 # library is found by the linker, but the runtime linker can't find it.
1686 # This check should come after all modifications of compiler or linker
1687 # variables, and before any other run tests.
1688 AC_MSG_CHECKING([test program])
1689 AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
1690 [AC_MSG_RESULT(ok)],
1691 [AC_MSG_RESULT(failed)
1693 Could not execute a simple test program. This may be a problem
1694 related to locating shared libraries. Check the file 'config.log'
1695 for the exact reason.]])],
1696 [AC_MSG_RESULT([cross-compiling])])
1698 # --------------------
1699 # Run tests below here
1700 # --------------------
1702 # Force use of our snprintf if system's doesn't do arg control
1703 # See comment above at snprintf test for details.
1704 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1705 PGAC_FUNC_SNPRINTF_ARG_CONTROL
1706 if test $pgac_cv_snprintf_arg_control != yes ; then
1707 pgac_need_repl_snprintf=yes
1712 dnl Check to see if we have a working 64-bit integer type.
1713 dnl This breaks down into two steps:
1714 dnl (1) figure out if the compiler has a 64-bit int type with working
1715 dnl arithmetic, and if so
1716 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1717 dnl snprintf is the only library routine we really need for int8 support.)
1718 dnl It's entirely possible to have a compiler that handles a 64-bit type
1719 dnl when the C library doesn't; this is fairly likely when using gcc on
1720 dnl an older platform, for example.
1721 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1722 dnl we force our own version of snprintf() to be used instead.
1723 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1725 dnl As of Postgres 8.4, we no longer support compilers without a working
1726 dnl 64-bit type. But we still handle the case of snprintf being broken.
1728 PGAC_TYPE_64BIT_INT([long int])
1730 if test x"$HAVE_LONG_INT_64" = x"yes" ; then
1731 pg_int64_type="long int"
1733 PGAC_TYPE_64BIT_INT([long long int])
1734 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1735 pg_int64_type="long long int"
1737 AC_MSG_ERROR([Cannot find a working 64-bit integer type.])
1741 AC_DEFINE_UNQUOTED(PG_INT64_TYPE, $pg_int64_type,
1742 [Define to the name of a signed 64-bit integer type.])
1744 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1746 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1747 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1748 #define INT64CONST(x) x##LL
1749 long long int foo = INT64CONST(0x1234567890123456);
1751 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1756 # If we found "long int" is 64 bits, assume snprintf handles it. If
1757 # we found we need to use "long long int", better check. We cope with
1758 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1759 # work, fall back to our own snprintf emulation (which we know uses %lld).
1761 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1762 if test $pgac_need_repl_snprintf = no; then
1763 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
1764 if test "$LONG_LONG_INT_MODIFIER" = ""; then
1765 # Force usage of our own snprintf, since system snprintf is broken
1766 pgac_need_repl_snprintf=yes
1767 LONG_LONG_INT_MODIFIER='ll'
1770 # Here if we previously decided we needed to use our own snprintf
1771 LONG_LONG_INT_MODIFIER='ll'
1774 # Here if we are not using 'long long int' at all
1775 LONG_LONG_INT_MODIFIER='l'
1778 INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
1780 AC_DEFINE_UNQUOTED(INT64_MODIFIER, $INT64_MODIFIER,
1781 [Define to the appropriate snprintf length modifier for 64-bit ints.])
1783 # Also force use of our snprintf if the system's doesn't support the %z flag.
1784 if test "$pgac_need_repl_snprintf" = no; then
1785 PGAC_FUNC_SNPRINTF_SIZE_T_SUPPORT
1786 if test "$pgac_cv_snprintf_size_t_support" != yes; then
1787 pgac_need_repl_snprintf=yes
1791 # Now we have checked all the reasons to replace snprintf
1792 if test $pgac_need_repl_snprintf = yes; then
1793 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1797 # Check size of void *, size_t (enables tweaks for > 32bit address space)
1798 AC_CHECK_SIZEOF([void *])
1799 AC_CHECK_SIZEOF([size_t])
1800 AC_CHECK_SIZEOF([long])
1802 # Decide whether float4 is passed by value: user-selectable, enabled by default
1803 AC_MSG_CHECKING([whether to build with float4 passed by value])
1804 PGAC_ARG_BOOL(enable, float4-byval, yes, [disable float4 passed by value],
1805 [AC_DEFINE([USE_FLOAT4_BYVAL], 1,
1806 [Define to 1 if you want float4 values to be passed by value. (--enable-float4-byval)])
1807 float4passbyval=true],
1808 [float4passbyval=false])
1809 AC_MSG_RESULT([$enable_float4_byval])
1810 AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are passed by value if 'true', by reference if 'false'])
1812 # Decide whether float8 is passed by value.
1813 # Note: this setting also controls int8 and related types such as timestamp.
1814 # If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
1815 # If not, trying to select it is an error.
1816 AC_MSG_CHECKING([whether to build with float8 passed by value])
1817 if test $ac_cv_sizeof_void_p -ge 8 ; then
1818 PGAC_ARG_BOOL(enable, float8-byval, yes, [disable float8 passed by value])
1820 PGAC_ARG_BOOL(enable, float8-byval, no, [disable float8 passed by value])
1821 if test "$enable_float8_byval" = yes ; then
1822 AC_MSG_ERROR([--enable-float8-byval is not supported on 32-bit platforms.])
1825 if test "$enable_float8_byval" = yes ; then
1826 AC_DEFINE([USE_FLOAT8_BYVAL], 1,
1827 [Define to 1 if you want float8, int8, etc values to be passed by value. (--enable-float8-byval)])
1828 float8passbyval=true
1830 float8passbyval=false
1832 AC_MSG_RESULT([$enable_float8_byval])
1833 AC_DEFINE_UNQUOTED([FLOAT8PASSBYVAL], [$float8passbyval], [float8, int8, and related values are passed by value if 'true', by reference if 'false'])
1835 # Determine memory alignment requirements for the basic C data types.
1837 AC_CHECK_ALIGNOF(short)
1838 AC_CHECK_ALIGNOF(int)
1839 AC_CHECK_ALIGNOF(long)
1840 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1841 AC_CHECK_ALIGNOF(long long int)
1843 AC_CHECK_ALIGNOF(double)
1845 # Compute maximum alignment of any basic type.
1846 # We assume long's alignment is at least as strong as char, short, or int;
1847 # but we must check long long (if it exists) and double.
1849 MAX_ALIGNOF=$ac_cv_alignof_long
1850 if test $MAX_ALIGNOF -lt $ac_cv_alignof_double ; then
1851 MAX_ALIGNOF=$ac_cv_alignof_double
1853 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ; then
1854 MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
1856 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1859 # Some platforms predefine the types int8, int16, etc. Only check
1860 # a (hopefully) representative subset.
1861 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1862 [#include <stdio.h>])
1864 # Check for extensions offering the integer scalar type __int128.
1865 PGAC_TYPE_128BIT_INT
1867 # Check for various atomic operations now that we have checked how to declare
1869 PGAC_HAVE_GCC__SYNC_CHAR_TAS
1870 PGAC_HAVE_GCC__SYNC_INT32_TAS
1871 PGAC_HAVE_GCC__SYNC_INT32_CAS
1872 PGAC_HAVE_GCC__SYNC_INT64_CAS
1873 PGAC_HAVE_GCC__ATOMIC_INT32_CAS
1874 PGAC_HAVE_GCC__ATOMIC_INT64_CAS
1877 # Check for x86 cpuid instruction
1878 AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
1879 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
1880 [[unsigned int exx[4] = {0, 0, 0, 0};
1881 __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
1883 [pgac_cv__get_cpuid="yes"],
1884 [pgac_cv__get_cpuid="no"])])
1885 if test x"$pgac_cv__get_cpuid" = x"yes"; then
1886 AC_DEFINE(HAVE__GET_CPUID, 1, [Define to 1 if you have __get_cpuid.])
1889 AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
1890 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
1891 [[unsigned int exx[4] = {0, 0, 0, 0};
1892 __get_cpuid(exx[0], 1);
1894 [pgac_cv__cpuid="yes"],
1895 [pgac_cv__cpuid="no"])])
1896 if test x"$pgac_cv__cpuid" = x"yes"; then
1897 AC_DEFINE(HAVE__CPUID, 1, [Define to 1 if you have __cpuid.])
1900 # Check for Intel SSE 4.2 intrinsics to do CRC calculations.
1902 # First check if the _mm_crc32_u8 and _mm_crc32_u64 intrinsics can be used
1903 # with the default compiler flags. If not, check if adding the -msse4.2
1904 # flag helps. CFLAGS_SSE42 is set to -msse4.2 if that's required.
1905 PGAC_SSE42_CRC32_INTRINSICS([])
1906 if test x"$pgac_sse42_crc32_intrinsics" != x"yes"; then
1907 PGAC_SSE42_CRC32_INTRINSICS([-msse4.2])
1909 AC_SUBST(CFLAGS_SSE42)
1911 # Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
1912 # define __SSE4_2__ in that case.
1913 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1915 #error __SSE4_2__ not defined
1917 ])], [SSE4_2_TARGETED=1])
1919 # Select CRC-32C implementation.
1921 # If we are targeting a processor that has SSE 4.2 instructions, we can use the
1922 # special CRC instructions for calculating CRC-32C. If we're not targeting such
1923 # a processor, but we can nevertheless produce code that uses the SSE
1924 # intrinsics, perhaps with some extra CFLAGS, compile both implementations and
1925 # select which one to use at runtime, depending on whether SSE 4.2 is supported
1926 # by the processor we're running on.
1928 # You can override this logic by setting the appropriate USE_*_CRC32 flag to 1
1929 # in the template or configure command line.
1930 if test x"$USE_SSE42_CRC32C" = x"" && test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"" && test x"$USE_SLICING_BY_8_CRC32C" = x""; then
1931 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && test x"$SSE4_2_TARGETED" = x"1" ; then
1934 # the CPUID instruction is needed for the runtime check.
1935 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && (test x"$pgac_cv__get_cpuid" = x"yes" || test x"$pgac_cv__cpuid" = x"yes"); then
1936 USE_SSE42_CRC32C_WITH_RUNTIME_CHECK=1
1938 # fall back to slicing-by-8 algorithm which doesn't require any special
1940 USE_SLICING_BY_8_CRC32C=1
1945 # Set PG_CRC32C_OBJS appropriately depending on the selected implementation.
1946 AC_MSG_CHECKING([which CRC-32C implementation to use])
1947 if test x"$USE_SSE42_CRC32C" = x"1"; then
1948 AC_DEFINE(USE_SSE42_CRC32C, 1, [Define to 1 use Intel SSE 4.2 CRC instructions.])
1949 PG_CRC32C_OBJS="pg_crc32c_sse42.o"
1950 AC_MSG_RESULT(SSE 4.2)
1952 if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
1953 AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
1954 PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
1955 AC_MSG_RESULT(SSE 4.2 with runtime check)
1957 AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
1958 PG_CRC32C_OBJS="pg_crc32c_sb8.o"
1959 AC_MSG_RESULT(slicing-by-8)
1962 AC_SUBST(PG_CRC32C_OBJS)
1965 # Select semaphore implementation type.
1966 if test "$PORTNAME" != "win32"; then
1967 if test x"$PREFERRED_SEMAPHORES" = x"NAMED_POSIX" ; then
1968 # Need sem_open for this
1969 AC_SEARCH_LIBS(sem_open, [rt pthread], [USE_NAMED_POSIX_SEMAPHORES=1])
1971 if test x"$PREFERRED_SEMAPHORES" = x"UNNAMED_POSIX" ; then
1972 # Need sem_init for this
1973 AC_SEARCH_LIBS(sem_init, [rt pthread], [USE_UNNAMED_POSIX_SEMAPHORES=1])
1975 AC_MSG_CHECKING([which semaphore API to use])
1976 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1977 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1978 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1979 sematype="named POSIX"
1981 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1982 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1983 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1984 sematype="unnamed POSIX"
1986 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1987 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1991 AC_MSG_RESULT([$sematype])
1993 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1994 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1998 # Select shared-memory implementation type.
1999 if test "$PORTNAME" != "win32"; then
2000 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
2001 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
2003 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
2004 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
2007 # Select random number source
2009 # You can override this logic by setting the appropriate USE_*RANDOM flag to 1
2010 # in the template or configure command line.
2012 # If not selected manually, try to select a source automatically.
2013 if test "$enable_strong_random" = "yes" && test x"$USE_OPENSSL_RANDOM" = x"" && test x"$USE_WIN32_RANDOM" = x"" && test x"$USE_DEV_URANDOM" = x"" ; then
2014 if test x"$with_openssl" = x"yes" ; then
2015 USE_OPENSSL_RANDOM=1
2016 elif test "$PORTNAME" = "win32" ; then
2019 AC_CHECK_FILE([/dev/urandom], [], [])
2021 if test x"$ac_cv_file__dev_urandom" = x"yes" ; then
2027 AC_MSG_CHECKING([which random number source to use])
2028 if test "$enable_strong_random" = yes ; then
2029 if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
2030 AC_DEFINE(USE_OPENSSL_RANDOM, 1, [Define to use OpenSSL for random number generation])
2031 AC_MSG_RESULT([OpenSSL])
2032 elif test x"$USE_WIN32_RANDOM" = x"1" ; then
2033 AC_DEFINE(USE_WIN32_RANDOM, 1, [Define to use native Windows API for random number generation])
2034 AC_MSG_RESULT([Windows native])
2035 elif test x"$USE_DEV_URANDOM" = x"1" ; then
2036 AC_DEFINE(USE_DEV_URANDOM, 1, [Define to use /dev/urandom for random number generation])
2037 AC_MSG_RESULT([/dev/urandom])
2040 no source of strong random numbers was found
2041 PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers,
2042 for authentication protocols. You can use --disable-strong-random to use a
2043 built-in pseudo random number generator, but that may be insecure.])
2045 AC_DEFINE(HAVE_STRONG_RANDOM, 1, [Define to use have a strong random number source])
2047 AC_MSG_RESULT([weak builtin PRNG])
2049 *** Not using a strong random number source may be insecure.])
2052 # If not set in template file, set bytes to use libc memset()
2053 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
2054 MEMSET_LOOP_LIMIT=1024
2056 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
2059 if test "$enable_nls" = yes ; then
2063 # Check for Tcl configuration script tclConfig.sh
2064 if test "$with_tcl" = yes; then
2065 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
2066 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
2067 [TCL_INCLUDE_SPEC,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
2068 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
2069 if test "$TCL_SHARED_BUILD" != 1; then
2070 AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
2071 Use --without-tcl to disable building PL/Tcl.])
2073 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
2074 ac_save_CPPFLAGS=$CPPFLAGS
2075 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
2076 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
2077 CPPFLAGS=$ac_save_CPPFLAGS
2080 # check for <perl.h>
2081 if test "$with_perl" = yes; then
2082 ac_save_CPPFLAGS=$CPPFLAGS
2083 CPPFLAGS="$CPPFLAGS -I$perl_archlibexp/CORE"
2084 AC_CHECK_HEADER(perl.h, [], [AC_MSG_ERROR([header file <perl.h> is required for Perl])],
2085 [#include <EXTERN.h>])
2086 # While we're at it, check that we can link to libperl.
2087 # On most platforms, if perl.h is there then libperl.so will be too, but at
2088 # this writing Debian packages them separately. There is no known reason to
2089 # waste cycles on separate probes for the Tcl or Python libraries, though.
2090 pgac_save_LIBS=$LIBS
2091 LIBS="$perl_embed_ldflags"
2092 AC_MSG_CHECKING([for libperl])
2093 AC_LINK_IFELSE([AC_LANG_PROGRAM([
2096 ], [perl_alloc();])],
2097 [AC_MSG_RESULT(yes)],
2099 AC_MSG_ERROR([libperl library is required for Perl])])
2100 LIBS=$pgac_save_LIBS
2101 CPPFLAGS=$ac_save_CPPFLAGS
2104 # check for <Python.h>
2105 if test "$with_python" = yes; then
2106 ac_save_CPPFLAGS=$CPPFLAGS
2107 CPPFLAGS="$python_includespec $CPPFLAGS"
2108 AC_CHECK_HEADER(Python.h, [], [AC_MSG_ERROR([header file <Python.h> is required for Python])])
2109 CPPFLAGS=$ac_save_CPPFLAGS
2113 # Check for DocBook and tools
2117 PGAC_CHECK_DOCBOOK(4.2)
2118 PGAC_PATH_DOCBOOK_STYLESHEETS
2119 PGAC_PATH_COLLATEINDEX
2120 AC_CHECK_PROGS(DBTOEPUB, dbtoepub)
2121 AC_CHECK_PROGS(XMLLINT, xmllint)
2122 AC_CHECK_PROGS(XSLTPROC, xsltproc)
2123 AC_CHECK_PROGS(OSX, [osx sgml2xml sx])
2126 # Check for test tools
2128 if test "$enable_tap_tests" = yes; then
2129 AC_CHECK_PROGS(PROVE, prove)
2130 if test -z "$PROVE"; then
2131 AC_MSG_ERROR([prove not found])
2133 if test -z "$PERL"; then
2134 AC_MSG_ERROR([Perl not found])
2140 # We have to run the thread test near the end so we have all our symbols
2141 # defined. Cross compiling throws a warning.
2143 if test "$enable_thread_safety" = yes; then
2144 if test "$PORTNAME" != "win32"
2146 AC_MSG_CHECKING([thread safety of required library functions])
2150 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
2151 LIBS="$LIBS $PTHREAD_LIBS"
2153 [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
2154 [AC_MSG_RESULT(yes)],
2156 AC_MSG_ERROR([thread test program failed
2157 This platform is not thread-safe. Check the file 'config.log' or compile
2158 and run src/test/thread/thread_test for the exact reason.
2159 Use --disable-thread-safety to disable thread safety.])],
2160 [AC_MSG_RESULT(maybe)
2162 *** Skipping thread test program because of cross-compile build.
2163 *** Run the program in src/test/thread on the target machine.
2168 AC_MSG_WARN([*** skipping thread test on Win32])
2172 # If compiler will take -Wl,--as-needed (or various platform-specific
2173 # spellings thereof) then add that to LDFLAGS. This is much easier than
2174 # trying to filter LIBS to the minimum for each executable.
2175 # On (at least) some Red-Hat-derived systems, this switch breaks linking to
2176 # libreadline; therefore we postpone testing it until we know what library
2177 # dependencies readline has. The test code will try to link with $LIBS.
2178 if test "$with_readline" = yes; then
2179 link_test_func=readline
2184 if test "$PORTNAME" = "darwin"; then
2185 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-dead_strip_dylibs], $link_test_func)
2186 elif test "$PORTNAME" = "openbsd"; then
2187 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-Bdynamic], $link_test_func)
2189 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,--as-needed], $link_test_func)
2192 # Create compiler version string
2193 if test x"$GCC" = x"yes" ; then
2194 cc_string=`${CC} --version | sed q`
2195 case $cc_string in [[A-Za-z]]*) ;; *) cc_string="GCC $cc_string";; esac
2196 elif test x"$SUN_STUDIO_CC" = x"yes" ; then
2197 cc_string=`${CC} -V 2>&1 | sed q`
2202 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
2203 ["PostgreSQL $PG_VERSION on $host, compiled by $cc_string, `expr $ac_cv_sizeof_void_p \* 8`-bit"],
2204 [A string containing the version number, platform, and C compiler])
2206 # Supply a numeric version string for use by 3rd party add-ons
2207 # awk -F is a regex on some platforms, and not on others, so make "." a tab
2208 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
2210 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
2211 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
2212 AC_SUBST(PG_VERSION_NUM)
2215 # Begin output steps
2217 AC_MSG_NOTICE([using compiler=$cc_string])
2218 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
2219 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
2220 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
2222 # prepare build tree if outside source tree
2223 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
2224 # Note 2: /bin/pwd might be better than shell's built-in at getting
2225 # a symlink-free name.
2226 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
2230 if test "$no_create" != yes; then
2231 _AS_ECHO_N([preparing build tree... ])
2232 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
2233 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
2234 || AC_MSG_ERROR(failed)
2238 AC_SUBST(vpath_build)
2241 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
2244 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
2245 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
2246 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
2247 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
2248 src/include/pg_config_os.h:src/include/port/${template}.h
2249 src/Makefile.port:src/makefiles/Makefile.${template}
2252 if test "$PORTNAME" = "win32"; then
2253 AC_CONFIG_COMMANDS([check_win32_symlinks],[
2254 # Links sometimes fail undetected on Mingw -
2255 # so here we detect it and warn the user
2256 for FILE in $CONFIG_LINKS
2258 # test -e works for symlinks in the MinGW console
2259 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
2264 AC_CONFIG_HEADERS([src/include/pg_config.h],
2266 # Update timestamp for pg_config.h (see Makefile.global)
2267 echo >src/include/stamp-h
2270 AC_CONFIG_HEADERS([src/include/pg_config_ext.h],
2272 # Update timestamp for pg_config_ext.h (see Makefile.global)
2273 echo >src/include/stamp-ext-h
2276 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h],
2277 [echo >src/interfaces/ecpg/include/stamp-h])