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([$enable_thread_safety])
614 AC_SUBST(enable_thread_safety)
617 # Optionally build Tcl modules (PL/Tcl)
619 AC_MSG_CHECKING([whether to build with Tcl])
620 PGAC_ARG_BOOL(with, tcl, no, [build Tcl modules (PL/Tcl)])
621 AC_MSG_RESULT([$with_tcl])
624 # We see if the path to the Tcl/Tk configuration scripts is specified.
625 # This will override the use of tclsh to find the paths to search.
627 PGAC_ARG_REQ(with, tclconfig, [DIR], [tclConfig.sh is in DIR])
630 # Optionally build Perl modules (PL/Perl)
632 AC_MSG_CHECKING([whether to build Perl modules])
633 PGAC_ARG_BOOL(with, perl, no, [build Perl modules (PL/Perl)])
634 AC_MSG_RESULT([$with_perl])
638 # Optionally build Python modules (PL/Python)
640 AC_MSG_CHECKING([whether to build Python modules])
641 PGAC_ARG_BOOL(with, python, no, [build Python modules (PL/Python)])
642 AC_MSG_RESULT([$with_python])
643 AC_SUBST(with_python)
648 AC_MSG_CHECKING([whether to build with GSSAPI support])
649 PGAC_ARG_BOOL(with, gssapi, no, [build with GSSAPI support],
651 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
652 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
654 AC_MSG_RESULT([$with_gssapi])
661 # Kerberos configuration parameters
663 PGAC_ARG_REQ(with, krb-srvnam,
664 [NAME], [default service principal name in Kerberos (GSSAPI) [postgres]],
666 [with_krb_srvnam="postgres"])
667 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
668 [Define to the name of the default PostgreSQL service principal in Kerberos (GSSAPI). (--with-krb-srvnam=NAME)])
674 AC_MSG_CHECKING([whether to build with PAM support])
675 PGAC_ARG_BOOL(with, pam, no,
676 [build with PAM support],
677 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
678 AC_MSG_RESULT([$with_pam])
684 AC_MSG_CHECKING([whether to build with BSD Authentication support])
685 PGAC_ARG_BOOL(with, bsd-auth, no,
686 [build with BSD Authentication support],
687 [AC_DEFINE([USE_BSD_AUTH], 1, [Define to 1 to build with BSD Authentication support. (--with-bsd-auth)])])
688 AC_MSG_RESULT([$with_bsd_auth])
694 AC_MSG_CHECKING([whether to build with LDAP support])
695 PGAC_ARG_BOOL(with, ldap, no,
696 [build with LDAP support],
697 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
698 AC_MSG_RESULT([$with_ldap])
704 AC_MSG_CHECKING([whether to build with Bonjour support])
705 PGAC_ARG_BOOL(with, bonjour, no,
706 [build with Bonjour support],
707 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
708 AC_MSG_RESULT([$with_bonjour])
714 AC_MSG_CHECKING([whether to build with OpenSSL support])
715 PGAC_ARG_BOOL(with, openssl, no, [build with OpenSSL support],
716 [AC_DEFINE([USE_OPENSSL], 1, [Define to build with OpenSSL support. (--with-openssl)])])
717 AC_MSG_RESULT([$with_openssl])
718 AC_SUBST(with_openssl)
723 AC_MSG_CHECKING([whether to build with SELinux support])
724 PGAC_ARG_BOOL(with, selinux, no, [build with SELinux support])
725 AC_SUBST(with_selinux)
726 AC_MSG_RESULT([$with_selinux])
731 AC_MSG_CHECKING([whether to build with systemd support])
732 PGAC_ARG_BOOL(with, systemd, no, [build with systemd support],
733 [AC_DEFINE([USE_SYSTEMD], 1, [Define to build with systemd support. (--with-systemd)])])
734 AC_SUBST(with_systemd)
735 AC_MSG_RESULT([$with_systemd])
740 PGAC_ARG_BOOL(with, readline, yes,
741 [do not use GNU Readline nor BSD Libedit for editing])
742 # readline on MinGW has problems with backslashes in psql and other bugs.
743 # This is particularly a problem with non-US code pages.
744 # Therefore disable its use until we understand the cause. 2004-07-20
745 if test "$PORTNAME" = "win32"; then
746 if test "$with_readline" = yes; then
747 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
756 PGAC_ARG_BOOL(with, libedit-preferred, no,
757 [prefer BSD Libedit over GNU Readline])
763 # There are at least three UUID libraries in common use: the FreeBSD/NetBSD
764 # library, the e2fsprogs libuuid (now part of util-linux-ng), and the OSSP
765 # UUID library. More than one of these might be present on a given platform,
766 # so we make the user say which one she wants.
768 PGAC_ARG_REQ(with, uuid, [LIB], [build contrib/uuid-ossp using LIB (bsd,e2fs,ossp)])
769 if test x"$with_uuid" = x"" ; then
772 PGAC_ARG_BOOL(with, ossp-uuid, no, [obsolete spelling of --with-uuid=ossp])
773 if test "$with_ossp_uuid" = yes ; then
777 if test "$with_uuid" = bsd ; then
778 AC_DEFINE([HAVE_UUID_BSD], 1, [Define to 1 if you have BSD UUID support.])
779 UUID_EXTRA_OBJS="md5.o sha1.o"
780 elif test "$with_uuid" = e2fs ; then
781 AC_DEFINE([HAVE_UUID_E2FS], 1, [Define to 1 if you have E2FS UUID support.])
782 UUID_EXTRA_OBJS="md5.o sha1.o"
783 elif test "$with_uuid" = ossp ; then
784 AC_DEFINE([HAVE_UUID_OSSP], 1, [Define to 1 if you have OSSP UUID support.])
786 elif test "$with_uuid" = no ; then
789 AC_MSG_ERROR([--with-uuid must specify one of bsd, e2fs, or ossp])
792 AC_SUBST(UUID_EXTRA_OBJS)
798 PGAC_ARG_BOOL(with, libxml, no, [build with XML support],
799 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
801 if test "$with_libxml" = yes ; then
802 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
803 if test -n "$XML2_CONFIG"; then
804 for pgac_option in `$XML2_CONFIG --cflags`; do
806 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
809 for pgac_option in `$XML2_CONFIG --libs`; do
811 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
817 AC_SUBST(with_libxml)
822 PGAC_ARG_BOOL(with, libxslt, no, [use XSLT support when building contrib/xml2],
823 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
826 AC_SUBST(with_libxslt)
831 PGAC_ARG_REQ(with, system-tzdata,
832 [DIR], [use system time zone data in DIR])
833 AC_SUBST(with_system_tzdata)
838 PGAC_ARG_BOOL(with, zlib, yes,
846 # Assume system is ELF if it predefines __ELF__ as 1,
847 # otherwise believe host_os based default.
849 freebsd1*|freebsd2*) elf=no;;
850 freebsd3*|freebsd4*) elf=yes;;
859 [if test "X$elf" = "Xyes" ; then
870 CPPFLAGS="$CPPFLAGS $INCLUDES"
871 LDFLAGS="$LDFLAGS $LIBDIRS"
873 AC_ARG_VAR(LDFLAGS_EX, [extra linker flags for linking executables only])
874 AC_ARG_VAR(LDFLAGS_SL, [extra linker flags for linking shared libraries only])
878 AC_SUBST(with_gnu_ld)
881 AC_CHECK_TOOL(AR, ar, ar)
882 if test "$PORTNAME" = "win32"; then
883 AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
884 AC_CHECK_TOOL(DLLWRAP, dllwrap, dllwrap)
885 AC_CHECK_TOOL(WINDRES, windres, windres)
889 # When Autoconf chooses install-sh as install program it tries to generate
890 # a relative path to it in each makefile where it substitutes it. This clashes
891 # with our Makefile.global concept. This workaround helps.
893 *install-sh*) install_bin='';;
894 *) install_bin=$INSTALL;;
896 AC_SUBST(install_bin)
898 AC_PATH_PROG(TAR, tar)
902 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
903 # a relative path to it in each makefile where it substitutes it. This clashes
904 # with our Makefile.global concept. This workaround helps.
906 *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
913 if test "$with_perl" = yes; then
914 if test -z "$PERL"; then
915 AC_MSG_ERROR([Perl not found])
917 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
918 if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
919 AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
920 You might have to rebuild your Perl installation. Refer to the
921 documentation for details. Use --without-perl to disable building
924 PGAC_CHECK_PERL_EMBED_LDFLAGS
927 if test "$with_python" = yes; then
929 PGAC_CHECK_PYTHON_EMBED_SETUP
932 if test "$cross_compiling" = yes && test -z "$with_system_tzdata"; then
933 AC_PATH_PROG(ZIC, zic)
934 if test -z "$ZIC"; then
936 When cross-compiling, either use the option --with-system-tzdata to use
937 existing time-zone data, or set the environment variable ZIC to a zic
938 program to use during the build.])
945 # For each platform, we need to know about any special compile and link
946 # libraries, and whether the normal C function names are thread-safe.
947 # See the comment at the top of src/port/thread.c for more information.
948 # WIN32 doesn't need the pthread tests; it always uses threads
950 # These tests are run before the library-tests, because linking with the
951 # other libraries can pull in the pthread functions as a side-effect. We
952 # want to use the -pthread or similar flags directly, and not rely on
953 # the side-effects of linking with some other library.
955 # note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
956 # invocation below is the first one in the script, and autoconf generates
957 # additional code for that, which must not be inside the if-block. AS_IF
958 # knows how to do that.
959 AS_IF([test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"],
961 AX_PTHREAD # set thread flags
963 # Some platforms use these, so just define them. They can't hurt if they
964 # are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
965 # enables 5-arg getpwuid_r, among other things.
966 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
968 # Check for *_r functions
971 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
972 LIBS="$LIBS $PTHREAD_LIBS"
974 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
975 pthread.h not found; use --disable-thread-safety to disable thread safety])])
977 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
979 # Do test here with the proper thread flags
980 PGAC_FUNC_STRERROR_R_INT
986 # do not use values from template file
991 AC_SUBST(PTHREAD_CFLAGS)
992 AC_SUBST(PTHREAD_LIBS)
998 ## Most libraries are included only if they demonstrably provide a function
999 ## we need, but libm is an exception: always include it, because there are
1000 ## too many compilers that play cute optimization games that will break
1001 ## probes for standard functions such as pow().
1004 AC_CHECK_LIB(m, main)
1005 AC_SEARCH_LIBS(setproctitle, util)
1006 AC_SEARCH_LIBS(dlopen, dl)
1007 AC_SEARCH_LIBS(socket, [socket ws2_32])
1008 AC_SEARCH_LIBS(shl_load, dld)
1009 # We only use libld in port/dynloader/aix.c
1012 AC_SEARCH_LIBS(ldopen, ld)
1015 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
1016 AC_SEARCH_LIBS(crypt, crypt)
1017 AC_SEARCH_LIBS(shm_open, rt)
1018 AC_SEARCH_LIBS(shm_unlink, rt)
1019 AC_SEARCH_LIBS(clock_gettime, [rt posix4])
1021 AC_SEARCH_LIBS(fdatasync, [rt posix4])
1022 # Required for thread_test.c on Solaris
1023 AC_SEARCH_LIBS(sched_yield, rt)
1024 # Required for thread_test.c on Solaris 2.5:
1025 # Other ports use it too (HP-UX) so test unconditionally
1026 AC_SEARCH_LIBS(gethostbyname_r, nsl)
1028 AC_SEARCH_LIBS(shmget, cygipc)
1030 if test "$with_readline" = yes; then
1032 if test x"$pgac_cv_check_readline" = x"no"; then
1033 AC_MSG_ERROR([readline library not found
1034 If you have readline already installed, see config.log for details on the
1035 failure. It is possible the compiler isn't looking in the proper directory.
1036 Use --without-readline to disable readline support.])
1040 if test "$with_zlib" = yes; then
1041 AC_CHECK_LIB(z, inflate, [],
1042 [AC_MSG_ERROR([zlib library not found
1043 If you have zlib already installed, see config.log for details on the
1044 failure. It is possible the compiler isn't looking in the proper directory.
1045 Use --without-zlib to disable zlib support.])])
1048 if test "$enable_spinlocks" = yes; then
1049 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
1052 *** Not using spinlocks will cause poor performance.])
1055 if test "$enable_atomics" = yes; then
1056 AC_DEFINE(HAVE_ATOMICS, 1, [Define to 1 if you want to use atomics if available.])
1059 *** Not using atomic operations will cause poor performance.])
1062 if test "$with_gssapi" = yes ; then
1063 if test "$PORTNAME" != "win32"; then
1064 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
1065 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
1067 LIBS="$LIBS -lgssapi32"
1071 if test "$with_openssl" = yes ; then
1073 if test "$PORTNAME" != "win32"; then
1074 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1075 AC_CHECK_LIB(ssl, SSL_new, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1077 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1078 AC_SEARCH_LIBS(SSL_new, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1080 AC_CHECK_FUNCS([SSL_get_current_compression])
1081 # Functions introduced in OpenSSL 1.1.0. We used to check for
1082 # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
1083 # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
1084 # doesn't have these OpenSSL 1.1.0 functions. So check for individual
1086 AC_CHECK_FUNCS([OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL])
1087 # OpenSSL versions before 1.1.0 required setting callback functions, for
1088 # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
1089 # function was removed.
1090 AC_CHECK_FUNCS([CRYPTO_lock])
1093 if test "$with_pam" = yes ; then
1094 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
1097 if test "$with_libxml" = yes ; then
1098 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
1101 if test "$with_libxslt" = yes ; then
1102 AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
1105 # Note: We can test for libldap_r only after we know PTHREAD_LIBS
1106 if test "$with_ldap" = yes ; then
1108 if test "$PORTNAME" != "win32"; then
1109 AC_CHECK_LIB(ldap, ldap_bind, [],
1110 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1112 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1113 if test "$enable_thread_safety" = yes; then
1114 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1115 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1116 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1117 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1118 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1120 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1123 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1124 LDAP_LIBS_FE="-lwldap32"
1125 LDAP_LIBS_BE="-lwldap32"
1129 AC_SUBST(LDAP_LIBS_FE)
1130 AC_SUBST(LDAP_LIBS_BE)
1132 # for contrib/sepgsql
1133 if test "$with_selinux" = yes; then
1134 AC_CHECK_LIB(selinux, security_compute_create_name, [],
1135 [AC_MSG_ERROR([library 'libselinux', version 2.1.10 or newer, is required for SELinux support])])
1138 # for contrib/uuid-ossp
1139 if test "$with_uuid" = bsd ; then
1140 # On BSD, the UUID functions are in libc
1141 AC_CHECK_FUNC(uuid_to_string,
1143 [AC_MSG_ERROR([BSD UUID functions are not present])])
1144 elif test "$with_uuid" = e2fs ; then
1145 # On macOS, the UUID functions are in libc
1146 AC_CHECK_FUNC(uuid_generate,
1148 [AC_CHECK_LIB(uuid, uuid_generate,
1149 [UUID_LIBS="-luuid"],
1150 [AC_MSG_ERROR([library 'uuid' is required for E2FS UUID])])])
1151 elif test "$with_uuid" = ossp ; then
1152 AC_CHECK_LIB(ossp-uuid, uuid_export,
1153 [UUID_LIBS="-lossp-uuid"],
1154 [AC_CHECK_LIB(uuid, uuid_export,
1155 [UUID_LIBS="-luuid"],
1156 [AC_MSG_ERROR([library 'ossp-uuid' or 'uuid' is required for OSSP UUID])])])
1165 AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
1167 # On BSD, test for net/if.h will fail unless sys/socket.h
1168 # is included first.
1169 AC_CHECK_HEADERS(net/if.h, [], [],
1170 [AC_INCLUDES_DEFAULT
1171 #include <sys/socket.h>
1174 # On OpenBSD, test for sys/ucred.h will fail unless sys/param.h
1175 # is included first.
1176 AC_CHECK_HEADERS(sys/ucred.h, [], [],
1177 [AC_INCLUDES_DEFAULT
1178 #include <sys/param.h>
1181 # At least on IRIX, test for netinet/tcp.h will fail unless
1182 # netinet/in.h is included first.
1183 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
1184 [AC_INCLUDES_DEFAULT
1185 #include <netinet/in.h>
1188 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
1189 AC_CHECK_HEADERS(readline/readline.h, [],
1190 [AC_CHECK_HEADERS(readline.h, [],
1191 [AC_MSG_ERROR([readline header not found
1192 If you have readline already installed, see config.log for details on the
1193 failure. It is possible the compiler isn't looking in the proper directory.
1194 Use --without-readline to disable readline support.])])])
1195 AC_CHECK_HEADERS(readline/history.h, [],
1196 [AC_CHECK_HEADERS(history.h, [],
1197 [AC_MSG_ERROR([history header not found
1198 If you have readline already installed, see config.log for details on the
1199 failure. It is possible the compiler isn't looking in the proper directory.
1200 Use --without-readline to disable readline support.])])])
1203 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
1204 # Some installations of libedit usurp /usr/include/readline/, which seems
1205 # bad practice, since in combined installations readline will have its headers
1206 # there. We might have to resort to AC_EGREP checks to make sure we found
1207 # the proper header...
1208 AC_CHECK_HEADERS(editline/readline.h, [],
1209 [AC_CHECK_HEADERS(readline.h, [],
1210 [AC_CHECK_HEADERS(readline/readline.h, [],
1211 [AC_MSG_ERROR([readline header not found
1212 If you have libedit already installed, see config.log for details on the
1213 failure. It is possible the compiler isn't looking in the proper directory.
1214 Use --without-readline to disable libedit support.])])])])
1215 # Note: in a libedit installation, history.h is sometimes a dummy, and may
1216 # not be there at all. Hence, don't complain if not found. We must check
1217 # though, since in yet other versions it is an independent header.
1218 AC_CHECK_HEADERS(editline/history.h, [],
1219 [AC_CHECK_HEADERS(history.h, [],
1220 [AC_CHECK_HEADERS(readline/history.h)])])
1223 if test "$with_zlib" = yes; then
1224 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
1225 If you have zlib 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-zlib to disable zlib support.])])
1230 if test "$with_gssapi" = yes ; then
1231 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
1232 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
1235 if test "$with_openssl" = yes ; then
1236 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
1237 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
1240 if test "$with_pam" = yes ; then
1241 AC_CHECK_HEADERS(security/pam_appl.h, [],
1242 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
1243 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
1246 if test "$with_bsd_auth" = yes ; then
1247 AC_CHECK_HEADER(bsd_auth.h, [], [AC_MSG_ERROR([header file <bsd_auth.h> is required for BSD Authentication support])])
1250 if test "$with_systemd" = yes ; then
1251 AC_CHECK_HEADER(systemd/sd-daemon.h, [], [AC_MSG_ERROR([header file <systemd/sd-daemon.h> is required for systemd support])])
1254 if test "$with_libxml" = yes ; then
1255 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
1258 if test "$with_libxslt" = yes ; then
1259 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
1262 if test "$with_ldap" = yes ; then
1263 if test "$PORTNAME" != "win32"; then
1264 AC_CHECK_HEADERS(ldap.h, [],
1265 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
1268 AC_CHECK_HEADERS(winldap.h, [],
1269 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
1270 [AC_INCLUDES_DEFAULT
1271 #include <windows.h>
1276 if test "$with_bonjour" = yes ; then
1277 AC_CHECK_HEADER(dns_sd.h, [], [AC_MSG_ERROR([header file <dns_sd.h> is required for Bonjour])])
1280 # for contrib/uuid-ossp
1281 if test "$with_uuid" = bsd ; then
1282 AC_CHECK_HEADERS(uuid.h,
1283 [AC_EGREP_HEADER([uuid_to_string], uuid.h, [],
1284 [AC_MSG_ERROR([header file <uuid.h> does not match BSD UUID library])])],
1285 [AC_MSG_ERROR([header file <uuid.h> is required for BSD UUID])])
1286 elif test "$with_uuid" = e2fs ; then
1287 AC_CHECK_HEADERS(uuid/uuid.h,
1288 [AC_EGREP_HEADER([uuid_generate], uuid/uuid.h, [],
1289 [AC_MSG_ERROR([header file <uuid/uuid.h> does not match E2FS UUID library])])],
1290 [AC_CHECK_HEADERS(uuid.h,
1291 [AC_EGREP_HEADER([uuid_generate], uuid.h, [],
1292 [AC_MSG_ERROR([header file <uuid.h> does not match E2FS UUID library])])],
1293 [AC_MSG_ERROR([header file <uuid/uuid.h> or <uuid.h> is required for E2FS UUID])])])
1294 elif test "$with_uuid" = ossp ; then
1295 AC_CHECK_HEADERS(ossp/uuid.h,
1296 [AC_EGREP_HEADER([uuid_export], ossp/uuid.h, [],
1297 [AC_MSG_ERROR([header file <ossp/uuid.h> does not match OSSP UUID library])])],
1298 [AC_CHECK_HEADERS(uuid.h,
1299 [AC_EGREP_HEADER([uuid_export], uuid.h, [],
1300 [AC_MSG_ERROR([header file <uuid.h> does not match OSSP UUID library])])],
1301 [AC_MSG_ERROR([header file <ossp/uuid.h> or <uuid.h> is required for OSSP UUID])])])
1304 if test "$PORTNAME" = "win32" ; then
1305 AC_CHECK_HEADERS(crtdefs.h)
1309 ## Types, structures, compiler characteristics
1312 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1315 PGAC_PRINTF_ARCHETYPE
1316 AC_C_FLEXIBLE_ARRAY_MEMBER
1318 PGAC_C_FUNCNAME_SUPPORT
1319 PGAC_C_STATIC_ASSERT
1320 PGAC_C_TYPES_COMPATIBLE
1321 PGAC_C_BUILTIN_BSWAP32
1322 PGAC_C_BUILTIN_BSWAP64
1323 PGAC_C_BUILTIN_CONSTANT_P
1324 PGAC_C_BUILTIN_UNREACHABLE
1325 PGAC_C_COMPUTED_GOTO
1327 PGAC_STRUCT_TIMEZONE
1329 PGAC_STRUCT_SOCKADDR_UN
1330 PGAC_STRUCT_SOCKADDR_STORAGE
1331 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1332 PGAC_STRUCT_ADDRINFO
1335 AC_TYPE_LONG_LONG_INT
1339 AC_CHECK_TYPES([struct cmsgcred], [], [],
1340 [#include <sys/socket.h>
1341 #include <sys/param.h>
1342 #ifdef HAVE_SYS_UCRED_H
1343 #include <sys/ucred.h>
1346 AC_CHECK_TYPES([struct option], [], [],
1347 [#ifdef HAVE_GETOPT_H
1351 if test "$with_zlib" = yes; then
1352 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
1353 # did not). While we could work around the lack of z_streamp, it
1354 # seems unwise to encourage people to use such old zlib versions...
1355 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
1356 Use --without-zlib to disable zlib support.])],
1357 [#include <zlib.h>])
1360 # On PPC, check if assembler supports LWARX instruction's mutex hint bit
1363 AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
1364 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
1365 [int a = 0; int *p = &a; int r;
1366 __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
1367 [pgac_cv_have_ppc_mutex_hint=yes],
1368 [pgac_cv_have_ppc_mutex_hint=no])
1369 AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
1370 if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
1371 AC_DEFINE(HAVE_PPC_LWARX_MUTEX_HINT, 1, [Define to 1 if the assembler supports PPC's LWARX mutex hint bit.])
1376 # Check largefile support. You might think this is a system service not a
1377 # compiler characteristic, but you'd be wrong. We must check this before
1378 # probing existence of related functions such as fseeko, since the largefile
1379 # defines can affect what is generated for that.
1380 if test "$PORTNAME" != "win32"; then
1382 dnl Autoconf 2.69's AC_SYS_LARGEFILE believes it's a good idea to #define
1383 dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on macOS 10.5 that activates a
1384 dnl bug that causes readdir() to sometimes return EINVAL. On later macOS
1385 dnl versions where the feature actually works, it's on by default anyway.
1386 AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],[])
1389 # Check for largefile support (must be after AC_SYS_LARGEFILE)
1390 AC_CHECK_SIZEOF([off_t])
1392 # If we don't have largefile support, can't handle segsize >= 2GB.
1393 if test "$ac_cv_sizeof_off_t" -lt 8 -a "$segsize" != "1"; then
1394 AC_MSG_ERROR([Large file support is not enabled. Segment size cannot be larger than 1GB.])
1399 ## Functions, global variables
1402 PGAC_VAR_INT_TIMEZONE
1403 AC_FUNC_ACCEPT_ARGTYPES
1404 PGAC_FUNC_GETTIMEOFDAY_1ARG
1405 PGAC_FUNC_WCSTOMBS_L
1407 # Some versions of libedit contain strlcpy(), setproctitle(), and other
1408 # symbols that that library has no business exposing to the world. Pending
1409 # acquisition of a clue by those developers, ignore libedit (including its
1410 # possible alias of libreadline) while checking for everything else.
1411 LIBS_including_readline="$LIBS"
1412 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1414 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])
1416 AC_REPLACE_FUNCS(fseeko)
1418 # NetBSD uses a custom fseeko/ftello built on fsetpos/fgetpos
1419 # Mingw uses macros to access Win32 API calls
1421 AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 because replacement version used.])
1422 ac_cv_func_fseeko=yes;;
1427 # posix_fadvise() is a no-op on Solaris, so don't incur function overhead
1428 # by calling it, 2009-04-02
1429 # http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/posix_fadvise.c
1430 if test "$PORTNAME" != "solaris"; then
1431 AC_CHECK_FUNCS(posix_fadvise)
1432 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
1435 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1436 AC_CHECK_DECLS([strlcat, strlcpy])
1437 # This is probably only present on macOS, but may as well check always
1438 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
1441 AC_CHECK_TYPE([struct sockaddr_in6],
1442 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
1445 [$ac_includes_default
1446 #include <netinet/in.h>])
1449 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
1450 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
1451 [#include <machine/vmparam.h>
1452 #include <sys/exec.h>
1454 [PS_STRINGS->ps_nargvstr = 1;
1455 PS_STRINGS->ps_argvstr = "foo";])],
1456 [pgac_cv_var_PS_STRINGS=yes],
1457 [pgac_cv_var_PS_STRINGS=no])])
1458 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1459 AC_DEFINE([HAVE_PS_STRINGS], 1, [Define to 1 if the PS_STRINGS thing exists.])
1463 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1464 # is missing. Yes, there are machines that have only one. We may
1465 # also decide to use snprintf.c if snprintf() is present but does not
1466 # have all the features we need --- see below.
1468 if test "$PORTNAME" = "win32"; then
1469 # Win32 gets snprintf.c built unconditionally.
1471 # To properly translate all NLS languages strings, we must support the
1472 # *printf() %$ format, which allows *printf() arguments to be selected
1473 # by position in the translated string.
1475 # libintl versions < 0.13 use the native *printf() functions, and Win32
1476 # *printf() doesn't understand %$, so we must use our /port versions,
1477 # which do understand %$. libintl versions >= 0.13 include their own
1478 # *printf versions on Win32. The libintl 0.13 release note text is:
1480 # C format strings with positions, as they arise when a translator
1481 # needs to reorder a sentence, are now supported on all platforms.
1482 # On those few platforms (NetBSD and Woe32) for which the native
1483 # printf()/fprintf()/... functions don't support such format
1484 # strings, replacements are provided through <libintl.h>.
1486 # We could use libintl >= 0.13's *printf() if we were sure that we had
1487 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1488 # to guarantee that, it is best to just use our own, so we are sure to
1489 # get %$ support. In include/port.h we disable the *printf() macros
1490 # that might have been defined by libintl.
1492 # We do this unconditionally whether NLS is used or not so we are sure
1493 # that all Win32 libraries and binaries behave the same.
1494 pgac_need_repl_snprintf=yes
1496 pgac_need_repl_snprintf=no
1497 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1498 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1502 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1503 # include/c.h will provide declarations. Note this is a separate test
1504 # from whether the functions exist in the C library --- there are
1505 # systems that have the functions but don't bother to declare them :-(
1507 AC_CHECK_DECLS([snprintf, vsnprintf])
1510 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1511 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1512 [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1516 [return isinf(glob_double) ? 0 : 1;])],
1517 [ac_cv_func_isinf=yes],
1518 [ac_cv_func_isinf=no])])
1520 if test $ac_cv_func_isinf = yes ; then
1521 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1524 # Look for a way to implement a substitute for isinf()
1525 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1528 AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy])
1532 # Windows uses a specialised env handler
1533 # and doesn't need a replacement getpeereid because it doesn't use
1536 AC_DEFINE(HAVE_UNSETENV, 1, [Define to 1 because replacement version used.])
1537 AC_DEFINE(HAVE_GETPEEREID, 1, [Define to 1 because function not required.])
1538 ac_cv_func_unsetenv=yes
1539 ac_cv_func_getpeereid=yes;;
1541 AC_REPLACE_FUNCS([unsetenv getpeereid])
1545 # System's version of getaddrinfo(), if any, may be used only if we found
1546 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1547 # We use only our own getaddrinfo.c on Windows, but it's time to revisit that.
1548 if test x"$ac_cv_type_struct_addrinfo" = xyes && \
1549 test "$PORTNAME" != "win32"; then
1550 AC_REPLACE_FUNCS([getaddrinfo])
1552 AC_LIBOBJ(getaddrinfo)
1555 # Similarly, use system's getopt_long() only if system provides struct option.
1556 if test x"$ac_cv_type_struct_option" = xyes ; then
1557 AC_REPLACE_FUNCS([getopt_long])
1559 AC_LIBOBJ(getopt_long)
1562 # Solaris' getopt() doesn't do what we want for long options, so always use
1563 # our version on that platform.
1564 if test "$PORTNAME" = "solaris"; then
1568 # mingw has adopted a GNU-centric interpretation of optind/optreset,
1569 # so always use our version on Windows.
1570 if test "$PORTNAME" = "win32"; then
1572 AC_LIBOBJ(getopt_long)
1575 # Win32 (really MinGW) support
1576 if test "$PORTNAME" = "win32"; then
1577 AC_REPLACE_FUNCS(gettimeofday)
1583 AC_LIBOBJ(win32error)
1584 AC_LIBOBJ(win32security)
1585 AC_LIBOBJ(win32setlocale)
1586 AC_DEFINE([HAVE_SYMLINK], 1,
1587 [Define to 1 if you have the `symlink' function.])
1588 AC_CHECK_TYPES(MINIDUMP_TYPE, [pgac_minidump_type=yes], [pgac_minidump_type=no], [
1589 #define WIN32_LEAN_AND_MEAN
1590 #include <windows.h>
1592 #include <dbghelp.h>])
1594 if test x"$pgac_minidump_type" = x"yes" ; then
1595 AC_SUBST(have_win32_dbghelp,yes)
1597 AC_SUBST(have_win32_dbghelp,no)
1600 # Cygwin needs only a bit of that
1601 if test "$PORTNAME" = "cygwin"; then
1605 AC_CHECK_DECLS([sys_siglist], [], [],
1606 [#include <signal.h>
1607 /* NetBSD declares sys_siglist in unistd.h. */
1608 #ifdef HAVE_UNISTD_H
1609 # include <unistd.h>
1613 AC_CHECK_FUNC(syslog,
1614 [AC_CHECK_HEADER(syslog.h,
1615 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1617 AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
1618 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1619 [extern int opterr; opterr = 1;])],
1620 [pgac_cv_var_int_opterr=yes],
1621 [pgac_cv_var_int_opterr=no])])
1622 if test x"$pgac_cv_var_int_opterr" = x"yes"; then
1623 AC_DEFINE(HAVE_INT_OPTERR, 1, [Define to 1 if you have the global variable 'int opterr'.])
1626 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1627 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1628 [extern int optreset; optreset = 1;])],
1629 [pgac_cv_var_int_optreset=yes],
1630 [pgac_cv_var_int_optreset=no])])
1631 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1632 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1635 AC_CHECK_FUNCS([strtoll strtoq], [break])
1636 AC_CHECK_FUNCS([strtoull strtouq], [break])
1638 # Lastly, restore full LIBS list and check for readline/libedit symbols
1639 LIBS="$LIBS_including_readline"
1641 if test "$with_readline" = yes; then
1642 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1643 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function rl_reset_screen_size])
1644 AC_CHECK_FUNCS([append_history history_truncate_file])
1648 # This test makes sure that run tests work at all. Sometimes a shared
1649 # library is found by the linker, but the runtime linker can't find it.
1650 # This check should come after all modifications of compiler or linker
1651 # variables, and before any other run tests.
1652 AC_MSG_CHECKING([test program])
1653 AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
1654 [AC_MSG_RESULT(ok)],
1655 [AC_MSG_RESULT(failed)
1657 Could not execute a simple test program. This may be a problem
1658 related to locating shared libraries. Check the file 'config.log'
1659 for the exact reason.]])],
1660 [AC_MSG_RESULT([cross-compiling])])
1662 # --------------------
1663 # Run tests below here
1664 # --------------------
1666 # Force use of our snprintf if system's doesn't do arg control
1667 # See comment above at snprintf test for details.
1668 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1669 PGAC_FUNC_SNPRINTF_ARG_CONTROL
1670 if test $pgac_cv_snprintf_arg_control != yes ; then
1671 pgac_need_repl_snprintf=yes
1676 dnl Check to see if we have a working 64-bit integer type.
1677 dnl This breaks down into two steps:
1678 dnl (1) figure out if the compiler has a 64-bit int type with working
1679 dnl arithmetic, and if so
1680 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1681 dnl snprintf is the only library routine we really need for int8 support.)
1682 dnl It's entirely possible to have a compiler that handles a 64-bit type
1683 dnl when the C library doesn't; this is fairly likely when using gcc on
1684 dnl an older platform, for example.
1685 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1686 dnl we force our own version of snprintf() to be used instead.
1687 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1689 dnl As of Postgres 8.4, we no longer support compilers without a working
1690 dnl 64-bit type. But we still handle the case of snprintf being broken.
1692 PGAC_TYPE_64BIT_INT([long int])
1694 if test x"$HAVE_LONG_INT_64" = x"yes" ; then
1695 pg_int64_type="long int"
1697 PGAC_TYPE_64BIT_INT([long long int])
1698 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1699 pg_int64_type="long long int"
1701 AC_MSG_ERROR([Cannot find a working 64-bit integer type.])
1705 AC_DEFINE_UNQUOTED(PG_INT64_TYPE, $pg_int64_type,
1706 [Define to the name of a signed 64-bit integer type.])
1708 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1710 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1711 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1712 #define INT64CONST(x) x##LL
1713 long long int foo = INT64CONST(0x1234567890123456);
1715 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1720 # If we found "long int" is 64 bits, assume snprintf handles it. If
1721 # we found we need to use "long long int", better check. We cope with
1722 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1723 # work, fall back to our own snprintf emulation (which we know uses %lld).
1725 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1726 if test $pgac_need_repl_snprintf = no; then
1727 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
1728 if test "$LONG_LONG_INT_MODIFIER" = ""; then
1729 # Force usage of our own snprintf, since system snprintf is broken
1730 pgac_need_repl_snprintf=yes
1731 LONG_LONG_INT_MODIFIER='ll'
1734 # Here if we previously decided we needed to use our own snprintf
1735 LONG_LONG_INT_MODIFIER='ll'
1738 # Here if we are not using 'long long int' at all
1739 LONG_LONG_INT_MODIFIER='l'
1742 INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
1744 AC_DEFINE_UNQUOTED(INT64_MODIFIER, $INT64_MODIFIER,
1745 [Define to the appropriate snprintf length modifier for 64-bit ints.])
1747 # Also force use of our snprintf if the system's doesn't support the %z flag.
1748 if test "$pgac_need_repl_snprintf" = no; then
1749 PGAC_FUNC_SNPRINTF_SIZE_T_SUPPORT
1750 if test "$pgac_cv_snprintf_size_t_support" != yes; then
1751 pgac_need_repl_snprintf=yes
1755 # Now we have checked all the reasons to replace snprintf
1756 if test $pgac_need_repl_snprintf = yes; then
1757 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1761 # Check size of void *, size_t (enables tweaks for > 32bit address space)
1762 AC_CHECK_SIZEOF([void *])
1763 AC_CHECK_SIZEOF([size_t])
1764 AC_CHECK_SIZEOF([long])
1766 # Decide whether float4 is passed by value: user-selectable, enabled by default
1767 AC_MSG_CHECKING([whether to build with float4 passed by value])
1768 PGAC_ARG_BOOL(enable, float4-byval, yes, [disable float4 passed by value],
1769 [AC_DEFINE([USE_FLOAT4_BYVAL], 1,
1770 [Define to 1 if you want float4 values to be passed by value. (--enable-float4-byval)])
1771 float4passbyval=true],
1772 [float4passbyval=false])
1773 AC_MSG_RESULT([$enable_float4_byval])
1774 AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are passed by value if 'true', by reference if 'false'])
1776 # Decide whether float8 is passed by value.
1777 # Note: this setting also controls int8 and related types such as timestamp.
1778 # If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
1779 # If not, trying to select it is an error.
1780 AC_MSG_CHECKING([whether to build with float8 passed by value])
1781 if test $ac_cv_sizeof_void_p -ge 8 ; then
1782 PGAC_ARG_BOOL(enable, float8-byval, yes, [disable float8 passed by value])
1784 PGAC_ARG_BOOL(enable, float8-byval, no, [disable float8 passed by value])
1785 if test "$enable_float8_byval" = yes ; then
1786 AC_MSG_ERROR([--enable-float8-byval is not supported on 32-bit platforms.])
1789 if test "$enable_float8_byval" = yes ; then
1790 AC_DEFINE([USE_FLOAT8_BYVAL], 1,
1791 [Define to 1 if you want float8, int8, etc values to be passed by value. (--enable-float8-byval)])
1792 float8passbyval=true
1794 float8passbyval=false
1796 AC_MSG_RESULT([$enable_float8_byval])
1797 AC_DEFINE_UNQUOTED([FLOAT8PASSBYVAL], [$float8passbyval], [float8, int8, and related values are passed by value if 'true', by reference if 'false'])
1799 # Determine memory alignment requirements for the basic C data types.
1801 AC_CHECK_ALIGNOF(short)
1802 AC_CHECK_ALIGNOF(int)
1803 AC_CHECK_ALIGNOF(long)
1804 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1805 AC_CHECK_ALIGNOF(long long int)
1807 AC_CHECK_ALIGNOF(double)
1809 # Compute maximum alignment of any basic type.
1810 # We assume long's alignment is at least as strong as char, short, or int;
1811 # but we must check long long (if it exists) and double.
1813 MAX_ALIGNOF=$ac_cv_alignof_long
1814 if test $MAX_ALIGNOF -lt $ac_cv_alignof_double ; then
1815 MAX_ALIGNOF=$ac_cv_alignof_double
1817 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ; then
1818 MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
1820 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1823 # Some platforms predefine the types int8, int16, etc. Only check
1824 # a (hopefully) representative subset.
1825 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1826 [#include <stdio.h>])
1828 # Check for extensions offering the integer scalar type __int128.
1829 PGAC_TYPE_128BIT_INT
1831 # Check for various atomic operations now that we have checked how to declare
1833 PGAC_HAVE_GCC__SYNC_CHAR_TAS
1834 PGAC_HAVE_GCC__SYNC_INT32_TAS
1835 PGAC_HAVE_GCC__SYNC_INT32_CAS
1836 PGAC_HAVE_GCC__SYNC_INT64_CAS
1837 PGAC_HAVE_GCC__ATOMIC_INT32_CAS
1838 PGAC_HAVE_GCC__ATOMIC_INT64_CAS
1841 # Check for x86 cpuid instruction
1842 AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
1843 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
1844 [[unsigned int exx[4] = {0, 0, 0, 0};
1845 __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
1847 [pgac_cv__get_cpuid="yes"],
1848 [pgac_cv__get_cpuid="no"])])
1849 if test x"$pgac_cv__get_cpuid" = x"yes"; then
1850 AC_DEFINE(HAVE__GET_CPUID, 1, [Define to 1 if you have __get_cpuid.])
1853 AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
1854 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
1855 [[unsigned int exx[4] = {0, 0, 0, 0};
1856 __get_cpuid(exx[0], 1);
1858 [pgac_cv__cpuid="yes"],
1859 [pgac_cv__cpuid="no"])])
1860 if test x"$pgac_cv__cpuid" = x"yes"; then
1861 AC_DEFINE(HAVE__CPUID, 1, [Define to 1 if you have __cpuid.])
1864 # Check for Intel SSE 4.2 intrinsics to do CRC calculations.
1866 # First check if the _mm_crc32_u8 and _mm_crc32_u64 intrinsics can be used
1867 # with the default compiler flags. If not, check if adding the -msse4.2
1868 # flag helps. CFLAGS_SSE42 is set to -msse4.2 if that's required.
1869 PGAC_SSE42_CRC32_INTRINSICS([])
1870 if test x"$pgac_sse42_crc32_intrinsics" != x"yes"; then
1871 PGAC_SSE42_CRC32_INTRINSICS([-msse4.2])
1873 AC_SUBST(CFLAGS_SSE42)
1875 # Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
1876 # define __SSE4_2__ in that case.
1877 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1879 #error __SSE4_2__ not defined
1881 ])], [SSE4_2_TARGETED=1])
1883 # Select CRC-32C implementation.
1885 # If we are targeting a processor that has SSE 4.2 instructions, we can use the
1886 # special CRC instructions for calculating CRC-32C. If we're not targeting such
1887 # a processor, but we can nevertheless produce code that uses the SSE
1888 # intrinsics, perhaps with some extra CFLAGS, compile both implementations and
1889 # select which one to use at runtime, depending on whether SSE 4.2 is supported
1890 # by the processor we're running on.
1892 # You can override this logic by setting the appropriate USE_*_CRC32 flag to 1
1893 # in the template or configure command line.
1894 if test x"$USE_SSE42_CRC32C" = x"" && test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"" && test x"$USE_SLICING_BY_8_CRC32C" = x""; then
1895 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && test x"$SSE4_2_TARGETED" = x"1" ; then
1898 # the CPUID instruction is needed for the runtime check.
1899 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && (test x"$pgac_cv__get_cpuid" = x"yes" || test x"$pgac_cv__cpuid" = x"yes"); then
1900 USE_SSE42_CRC32C_WITH_RUNTIME_CHECK=1
1902 # fall back to slicing-by-8 algorithm which doesn't require any special
1904 USE_SLICING_BY_8_CRC32C=1
1909 # Set PG_CRC32C_OBJS appropriately depending on the selected implementation.
1910 AC_MSG_CHECKING([which CRC-32C implementation to use])
1911 if test x"$USE_SSE42_CRC32C" = x"1"; then
1912 AC_DEFINE(USE_SSE42_CRC32C, 1, [Define to 1 use Intel SSE 4.2 CRC instructions.])
1913 PG_CRC32C_OBJS="pg_crc32c_sse42.o"
1914 AC_MSG_RESULT(SSE 4.2)
1916 if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
1917 AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
1918 PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
1919 AC_MSG_RESULT(SSE 4.2 with runtime check)
1921 AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
1922 PG_CRC32C_OBJS="pg_crc32c_sb8.o"
1923 AC_MSG_RESULT(slicing-by-8)
1926 AC_SUBST(PG_CRC32C_OBJS)
1929 # Select semaphore implementation type.
1930 if test "$PORTNAME" != "win32"; then
1931 if test x"$PREFERRED_SEMAPHORES" = x"NAMED_POSIX" ; then
1932 # Need sem_open for this
1933 AC_SEARCH_LIBS(sem_open, [rt pthread], [USE_NAMED_POSIX_SEMAPHORES=1])
1935 if test x"$PREFERRED_SEMAPHORES" = x"UNNAMED_POSIX" ; then
1936 # Need sem_init for this
1937 AC_SEARCH_LIBS(sem_init, [rt pthread], [USE_UNNAMED_POSIX_SEMAPHORES=1])
1939 AC_MSG_CHECKING([which semaphore API to use])
1940 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1941 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1942 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1943 sematype="named POSIX"
1945 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1946 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1947 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1948 sematype="unnamed POSIX"
1950 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1951 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1955 AC_MSG_RESULT([$sematype])
1957 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1958 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1962 # Select shared-memory implementation type.
1963 if test "$PORTNAME" != "win32"; then
1964 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1965 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1967 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1968 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1971 # Select random number source
1973 # You can override this logic by setting the appropriate USE_*RANDOM flag to 1
1974 # in the template or configure command line.
1976 # If not selected manually, try to select a source automatically.
1977 if test "$enable_strong_random" = "yes" && test x"$USE_OPENSSL_RANDOM" = x"" && test x"$USE_WIN32_RANDOM" = x"" && test x"$USE_DEV_URANDOM" = x"" ; then
1978 if test x"$with_openssl" = x"yes" ; then
1979 USE_OPENSSL_RANDOM=1
1980 elif test "$PORTNAME" = "win32" ; then
1983 AC_CHECK_FILE([/dev/urandom], [], [])
1985 if test x"$ac_cv_file__dev_urandom" = x"yes" ; then
1991 AC_MSG_CHECKING([which random number source to use])
1992 if test "$enable_strong_random" = yes ; then
1993 if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
1994 AC_DEFINE(USE_OPENSSL_RANDOM, 1, [Define to use OpenSSL for random number generation])
1995 AC_MSG_RESULT([OpenSSL])
1996 elif test x"$USE_WIN32_RANDOM" = x"1" ; then
1997 AC_DEFINE(USE_WIN32_RANDOM, 1, [Define to use native Windows API for random number generation])
1998 AC_MSG_RESULT([Windows native])
1999 elif test x"$USE_DEV_URANDOM" = x"1" ; then
2000 AC_DEFINE(USE_DEV_URANDOM, 1, [Define to use /dev/urandom for random number generation])
2001 AC_MSG_RESULT([/dev/urandom])
2004 no source of strong random numbers was found
2005 PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers,
2006 for authentication protocols. You can use --disable-strong-random to use a
2007 built-in pseudo random number generator, but that may be insecure.])
2009 AC_DEFINE(HAVE_STRONG_RANDOM, 1, [Define to use have a strong random number source])
2011 AC_MSG_RESULT([weak builtin PRNG])
2013 *** Not using a strong random number source may be insecure.])
2016 # If not set in template file, set bytes to use libc memset()
2017 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
2018 MEMSET_LOOP_LIMIT=1024
2020 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
2023 if test "$enable_nls" = yes ; then
2027 # Check for Tcl configuration script tclConfig.sh
2028 if test "$with_tcl" = yes; then
2029 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
2030 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
2031 [TCL_INCLUDE_SPEC,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
2032 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
2033 if test "$TCL_SHARED_BUILD" != 1; then
2034 AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
2035 Use --without-tcl to disable building PL/Tcl.])
2037 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
2038 ac_save_CPPFLAGS=$CPPFLAGS
2039 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
2040 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
2041 CPPFLAGS=$ac_save_CPPFLAGS
2044 # check for <perl.h>
2045 if test "$with_perl" = yes; then
2046 ac_save_CPPFLAGS=$CPPFLAGS
2047 CPPFLAGS="$CPPFLAGS -I$perl_archlibexp/CORE"
2048 AC_CHECK_HEADER(perl.h, [], [AC_MSG_ERROR([header file <perl.h> is required for Perl])],
2049 [#include <EXTERN.h>])
2050 # While we're at it, check that we can link to libperl.
2051 # On most platforms, if perl.h is there then libperl.so will be too, but at
2052 # this writing Debian packages them separately. There is no known reason to
2053 # waste cycles on separate probes for the Tcl or Python libraries, though.
2054 pgac_save_LIBS=$LIBS
2055 LIBS="$perl_embed_ldflags"
2056 AC_MSG_CHECKING([for libperl])
2057 AC_LINK_IFELSE([AC_LANG_PROGRAM([
2060 ], [perl_alloc();])],
2061 [AC_MSG_RESULT(yes)],
2063 AC_MSG_ERROR([libperl library is required for Perl])])
2064 LIBS=$pgac_save_LIBS
2065 CPPFLAGS=$ac_save_CPPFLAGS
2068 # check for <Python.h>
2069 if test "$with_python" = yes; then
2070 ac_save_CPPFLAGS=$CPPFLAGS
2071 CPPFLAGS="$python_includespec $CPPFLAGS"
2072 AC_CHECK_HEADER(Python.h, [], [AC_MSG_ERROR([header file <Python.h> is required for Python])])
2073 CPPFLAGS=$ac_save_CPPFLAGS
2077 # Check for DocBook and tools
2081 PGAC_CHECK_DOCBOOK(4.2)
2082 PGAC_PATH_DOCBOOK_STYLESHEETS
2083 PGAC_PATH_COLLATEINDEX
2084 AC_CHECK_PROGS(DBTOEPUB, dbtoepub)
2085 AC_CHECK_PROGS(XMLLINT, xmllint)
2086 AC_CHECK_PROGS(XSLTPROC, xsltproc)
2087 AC_CHECK_PROGS(OSX, [osx sgml2xml sx])
2090 # Check for test tools
2092 if test "$enable_tap_tests" = yes; then
2093 AC_CHECK_PROGS(PROVE, prove)
2094 if test -z "$PROVE"; then
2095 AC_MSG_ERROR([prove not found])
2097 if test -z "$PERL"; then
2098 AC_MSG_ERROR([Perl not found])
2104 # We have to run the thread test near the end so we have all our symbols
2105 # defined. Cross compiling throws a warning.
2107 if test "$enable_thread_safety" = yes; then
2108 if test "$PORTNAME" != "win32"
2110 AC_MSG_CHECKING([thread safety of required library functions])
2114 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
2115 LIBS="$LIBS $PTHREAD_LIBS"
2117 [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
2118 [AC_MSG_RESULT(yes)],
2120 AC_MSG_ERROR([thread test program failed
2121 This platform is not thread-safe. Check the file 'config.log' or compile
2122 and run src/test/thread/thread_test for the exact reason.
2123 Use --disable-thread-safety to disable thread safety.])],
2124 [AC_MSG_RESULT(maybe)
2126 *** Skipping thread test program because of cross-compile build.
2127 *** Run the program in src/test/thread on the target machine.
2132 AC_MSG_WARN([*** skipping thread test on Win32])
2136 # If compiler will take -Wl,--as-needed (or various platform-specific
2137 # spellings thereof) then add that to LDFLAGS. This is much easier than
2138 # trying to filter LIBS to the minimum for each executable.
2139 # On (at least) some Red-Hat-derived systems, this switch breaks linking to
2140 # libreadline; therefore we postpone testing it until we know what library
2141 # dependencies readline has. The test code will try to link with $LIBS.
2142 if test "$with_readline" = yes; then
2143 link_test_func=readline
2148 if test "$PORTNAME" = "darwin"; then
2149 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-dead_strip_dylibs], $link_test_func)
2150 elif test "$PORTNAME" = "openbsd"; then
2151 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-Bdynamic], $link_test_func)
2153 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,--as-needed], $link_test_func)
2156 # Create compiler version string
2157 if test x"$GCC" = x"yes" ; then
2158 cc_string=`${CC} --version | sed q`
2159 case $cc_string in [[A-Za-z]]*) ;; *) cc_string="GCC $cc_string";; esac
2160 elif test x"$SUN_STUDIO_CC" = x"yes" ; then
2161 cc_string=`${CC} -V 2>&1 | sed q`
2166 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
2167 ["PostgreSQL $PG_VERSION on $host, compiled by $cc_string, `expr $ac_cv_sizeof_void_p \* 8`-bit"],
2168 [A string containing the version number, platform, and C compiler])
2170 # Supply a numeric version string for use by 3rd party add-ons
2171 # awk -F is a regex on some platforms, and not on others, so make "." a tab
2172 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
2174 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
2175 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
2176 AC_SUBST(PG_VERSION_NUM)
2179 # Begin output steps
2181 AC_MSG_NOTICE([using compiler=$cc_string])
2182 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
2183 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
2184 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
2186 # prepare build tree if outside source tree
2187 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
2188 # Note 2: /bin/pwd might be better than shell's built-in at getting
2189 # a symlink-free name.
2190 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
2194 if test "$no_create" != yes; then
2195 _AS_ECHO_N([preparing build tree... ])
2196 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
2197 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
2198 || AC_MSG_ERROR(failed)
2202 AC_SUBST(vpath_build)
2205 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
2208 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
2209 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
2210 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
2211 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
2212 src/include/pg_config_os.h:src/include/port/${template}.h
2213 src/Makefile.port:src/makefiles/Makefile.${template}
2216 if test "$PORTNAME" = "win32"; then
2217 AC_CONFIG_COMMANDS([check_win32_symlinks],[
2218 # Links sometimes fail undetected on Mingw -
2219 # so here we detect it and warn the user
2220 for FILE in $CONFIG_LINKS
2222 # test -e works for symlinks in the MinGW console
2223 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
2228 AC_CONFIG_HEADERS([src/include/pg_config.h],
2230 # Update timestamp for pg_config.h (see Makefile.global)
2231 echo >src/include/stamp-h
2234 AC_CONFIG_HEADERS([src/include/pg_config_ext.h],
2236 # Update timestamp for pg_config_ext.h (see Makefile.global)
2237 echo >src/include/stamp-ext-h
2240 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h],
2241 [echo >src/interfaces/ecpg/include/stamp-h])