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 ${wal_segsize} in
365 *) AC_MSG_ERROR([Invalid WAL segment size. Allowed values are 1,2,4,8,16,32,64,128,256,512,1024.])
367 AC_MSG_RESULT([${wal_segsize}MB])
369 AC_DEFINE_UNQUOTED([XLOG_SEG_SIZE], [(${wal_segsize} * 1024 * 1024)], [
370 XLOG_SEG_SIZE is the size of a single WAL file. This must be a power of 2
371 and larger than XLOG_BLCKSZ (preferably, a great deal larger than
374 Changing XLOG_SEG_SIZE requires an initdb.
381 # For historical reasons you can also use --with-CC to specify the C compiler
382 # to use, although the standard way to do this is to set the CC environment
384 PGAC_ARG_REQ(with, CC, [CMD], [set compiler (deprecated)], [CC=$with_CC])
387 aix) pgac_cc_list="gcc xlc";;
388 *) pgac_cc_list="gcc cc";;
391 AC_PROG_CC([$pgac_cc_list])
393 # Check if it's Intel's compiler, which (usually) pretends to be gcc,
394 # but has idiosyncrasies of its own. We assume icc will define
395 # __INTEL_COMPILER regardless of CFLAGS.
396 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
398 @%:@endif])], [ICC=yes], [ICC=no])
400 # Check if it's Sun Studio compiler. We assume that
401 # __SUNPRO_C will be defined for Sun Studio compilers
402 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
404 @%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
406 AC_SUBST(SUN_STUDIO_CC)
413 . "$srcdir/src/template/$template" || exit
415 # CFLAGS are selected so:
416 # If the user specifies something in the environment, that is used.
417 # else: If the template file set something, that is used.
418 # else: If coverage was enabled, don't set anything.
419 # else: If the compiler is GCC, then we use -O2.
420 # else: If the compiler is something else, then we use -O, unless debugging.
422 if test "$ac_env_CFLAGS_set" = set; then
423 CFLAGS=$ac_env_CFLAGS_value
424 elif test "${CFLAGS+set}" = set; then
425 : # (keep what template set)
426 elif test "$enable_coverage" = yes; then
427 : # no optimization by default
428 elif test "$GCC" = yes; then
431 # if the user selected debug mode, don't use -O
432 if test "$enable_debug" != yes; then
437 # CFLAGS we determined above will be added back at the end
441 # set CFLAGS_VECTOR from the environment, if available
442 if test "$ac_env_CFLAGS_VECTOR_set" = set; then
443 CFLAGS_VECTOR=$ac_env_CFLAGS_VECTOR_value
446 # Some versions of GCC support some additional useful warning flags.
447 # Check whether they are supported, and add them to CFLAGS if so.
448 # ICC pretends to be GCC but it's lying; it doesn't support these flags,
449 # but has its own. Also check other compiler-specific flags here.
451 if test "$GCC" = yes -a "$ICC" = no; then
452 CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
453 # These work in some but not all gcc versions
454 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
455 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
456 PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
457 # This was included in -Wall/-Wformat in older GCC versions
458 PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
459 # Disable strict-aliasing rules; needed for gcc 3.3+
460 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
461 # Disable optimizations that assume no overflow; needed for gcc 4.3+
462 PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
463 # Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
464 PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
465 # Optimization flags for specific files that benefit from vectorization
466 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
467 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
468 # We want to suppress clang's unhelpful unused-command-line-argument warnings
469 # but gcc won't complain about unrecognized -Wno-foo switches, so we have to
470 # test for the positive form and if that works, add the negative form
471 PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wunused-command-line-argument])
472 if test -n "$NOT_THE_CFLAGS"; then
473 CFLAGS="$CFLAGS -Wno-unused-command-line-argument"
475 elif test "$ICC" = yes; then
476 # Intel's compiler has a bug/misoptimization in checking for
477 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
478 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
479 # Make sure strict aliasing is off (though this is said to be the default)
480 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
481 elif test "$PORTNAME" = "aix"; then
482 # AIX's xlc has to have strict aliasing turned off too
483 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
484 PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
485 elif test "$PORTNAME" = "hpux"; then
486 # On some versions of HP-UX, libm functions do not set errno by default.
487 # Fix that by using +Olibmerrno if the compiler recognizes it.
488 PGAC_PROG_CC_CFLAGS_OPT([+Olibmerrno])
491 AC_SUBST(CFLAGS_VECTOR, $CFLAGS_VECTOR)
493 # supply -g if --enable-debug
494 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
498 # enable code coverage if --enable-coverage
499 if test "$enable_coverage" = yes; then
500 if test "$GCC" = yes; then
501 CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
503 AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
507 # enable profiling if --enable-profiling
508 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
509 if test "$GCC" = yes; then
510 AC_DEFINE([PROFILE_PID_DIR], 1,
511 [Define to 1 to allow profiling output to be saved separately for each process.])
512 CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
514 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
518 # We already have this in Makefile.win32, but configure needs it too
519 if test "$PORTNAME" = "win32"; then
520 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
523 # Now that we're done automatically adding stuff to CFLAGS, put back the
524 # user-specified flags (if any) at the end. This lets users override
525 # the automatic additions.
526 CFLAGS="$CFLAGS $user_CFLAGS"
528 # Check if the compiler still works with the final flag settings
529 AC_MSG_CHECKING([whether the C compiler still works])
530 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
531 [AC_MSG_RESULT(yes)],
533 AC_MSG_ERROR([cannot proceed])])
535 # Defend against gcc -ffast-math
536 if test "$GCC" = yes; then
537 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
539 @%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
547 # Set up TAS assembly code if needed; the template file has now had its
548 # chance to request this.
550 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
552 if test "$need_tas" = yes ; then
561 # Automatic dependency tracking
563 PGAC_ARG_BOOL(enable, depend, no, [turn on automatic dependency tracking],
569 # Enable assert checks
571 PGAC_ARG_BOOL(enable, cassert, no, [enable assertion checks (for debugging)],
572 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
573 [Define to 1 to build with assertion checks. (--enable-cassert)])])
577 # Include directories
580 IFS="${IFS}${PATH_SEPARATOR}"
581 # SRCH_INC comes from the template file
582 for dir in $with_includes $SRCH_INC; do
583 if test -d "$dir"; then
584 INCLUDES="$INCLUDES -I$dir"
586 AC_MSG_WARN([*** Include directory $dir does not exist.])
594 # Library directories
597 IFS="${IFS}${PATH_SEPARATOR}"
598 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
599 for dir in $LIBRARY_DIRS $SRCH_LIB; do
600 if test -d "$dir"; then
601 LIBDIRS="$LIBDIRS -L$dir"
603 AC_MSG_WARN([*** Library directory $dir does not exist.])
609 # Enable thread-safe client libraries
611 AC_MSG_CHECKING([allow thread-safe client libraries])
612 PGAC_ARG_BOOL(enable, thread-safety, yes, [disable thread-safety in client libraries])
613 if test "$enable_thread_safety" = yes; then
614 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
615 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
617 AC_MSG_RESULT([$enable_thread_safety])
618 AC_SUBST(enable_thread_safety)
623 AC_MSG_CHECKING([whether to build with ICU support])
624 PGAC_ARG_BOOL(with, icu, no, [build with ICU support],
625 [AC_DEFINE([USE_ICU], 1, [Define to build with ICU support. (--with-icu)])])
626 AC_MSG_RESULT([$with_icu])
629 if test "$with_icu" = yes; then
630 PKG_CHECK_MODULES(ICU, icu-uc icu-i18n)
634 # Optionally build Tcl modules (PL/Tcl)
636 AC_MSG_CHECKING([whether to build with Tcl])
637 PGAC_ARG_BOOL(with, tcl, no, [build Tcl modules (PL/Tcl)])
638 AC_MSG_RESULT([$with_tcl])
641 # We see if the path to the Tcl/Tk configuration scripts is specified.
642 # This will override the use of tclsh to find the paths to search.
644 PGAC_ARG_REQ(with, tclconfig, [DIR], [tclConfig.sh is in DIR])
647 # Optionally build Perl modules (PL/Perl)
649 AC_MSG_CHECKING([whether to build Perl modules])
650 PGAC_ARG_BOOL(with, perl, no, [build Perl modules (PL/Perl)])
651 AC_MSG_RESULT([$with_perl])
655 # Optionally build Python modules (PL/Python)
657 AC_MSG_CHECKING([whether to build Python modules])
658 PGAC_ARG_BOOL(with, python, no, [build Python modules (PL/Python)])
659 AC_MSG_RESULT([$with_python])
660 AC_SUBST(with_python)
665 AC_MSG_CHECKING([whether to build with GSSAPI support])
666 PGAC_ARG_BOOL(with, gssapi, no, [build with GSSAPI support],
668 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
669 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
671 AC_MSG_RESULT([$with_gssapi])
678 # Kerberos configuration parameters
680 PGAC_ARG_REQ(with, krb-srvnam,
681 [NAME], [default service principal name in Kerberos (GSSAPI) [postgres]],
683 [with_krb_srvnam="postgres"])
684 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
685 [Define to the name of the default PostgreSQL service principal in Kerberos (GSSAPI). (--with-krb-srvnam=NAME)])
691 AC_MSG_CHECKING([whether to build with PAM support])
692 PGAC_ARG_BOOL(with, pam, no,
693 [build with PAM support],
694 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
695 AC_MSG_RESULT([$with_pam])
701 AC_MSG_CHECKING([whether to build with BSD Authentication support])
702 PGAC_ARG_BOOL(with, bsd-auth, no,
703 [build with BSD Authentication support],
704 [AC_DEFINE([USE_BSD_AUTH], 1, [Define to 1 to build with BSD Authentication support. (--with-bsd-auth)])])
705 AC_MSG_RESULT([$with_bsd_auth])
711 AC_MSG_CHECKING([whether to build with LDAP support])
712 PGAC_ARG_BOOL(with, ldap, no,
713 [build with LDAP support],
714 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
715 AC_MSG_RESULT([$with_ldap])
721 AC_MSG_CHECKING([whether to build with Bonjour support])
722 PGAC_ARG_BOOL(with, bonjour, no,
723 [build with Bonjour support],
724 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
725 AC_MSG_RESULT([$with_bonjour])
731 AC_MSG_CHECKING([whether to build with OpenSSL support])
732 PGAC_ARG_BOOL(with, openssl, no, [build with OpenSSL support],
733 [AC_DEFINE([USE_OPENSSL], 1, [Define to build with OpenSSL support. (--with-openssl)])])
734 AC_MSG_RESULT([$with_openssl])
735 AC_SUBST(with_openssl)
740 AC_MSG_CHECKING([whether to build with SELinux support])
741 PGAC_ARG_BOOL(with, selinux, no, [build with SELinux support])
742 AC_SUBST(with_selinux)
743 AC_MSG_RESULT([$with_selinux])
748 AC_MSG_CHECKING([whether to build with systemd support])
749 PGAC_ARG_BOOL(with, systemd, no, [build with systemd support],
750 [AC_DEFINE([USE_SYSTEMD], 1, [Define to build with systemd support. (--with-systemd)])])
751 AC_SUBST(with_systemd)
752 AC_MSG_RESULT([$with_systemd])
757 PGAC_ARG_BOOL(with, readline, yes,
758 [do not use GNU Readline nor BSD Libedit for editing])
759 # readline on MinGW has problems with backslashes in psql and other bugs.
760 # This is particularly a problem with non-US code pages.
761 # Therefore disable its use until we understand the cause. 2004-07-20
762 if test "$PORTNAME" = "win32"; then
763 if test "$with_readline" = yes; then
764 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
773 PGAC_ARG_BOOL(with, libedit-preferred, no,
774 [prefer BSD Libedit over GNU Readline])
780 # There are at least three UUID libraries in common use: the FreeBSD/NetBSD
781 # library, the e2fsprogs libuuid (now part of util-linux-ng), and the OSSP
782 # UUID library. More than one of these might be present on a given platform,
783 # so we make the user say which one she wants.
785 PGAC_ARG_REQ(with, uuid, [LIB], [build contrib/uuid-ossp using LIB (bsd,e2fs,ossp)])
786 if test x"$with_uuid" = x"" ; then
789 PGAC_ARG_BOOL(with, ossp-uuid, no, [obsolete spelling of --with-uuid=ossp])
790 if test "$with_ossp_uuid" = yes ; then
794 if test "$with_uuid" = bsd ; then
795 AC_DEFINE([HAVE_UUID_BSD], 1, [Define to 1 if you have BSD UUID support.])
796 UUID_EXTRA_OBJS="md5.o sha1.o"
797 elif test "$with_uuid" = e2fs ; then
798 AC_DEFINE([HAVE_UUID_E2FS], 1, [Define to 1 if you have E2FS UUID support.])
799 UUID_EXTRA_OBJS="md5.o sha1.o"
800 elif test "$with_uuid" = ossp ; then
801 AC_DEFINE([HAVE_UUID_OSSP], 1, [Define to 1 if you have OSSP UUID support.])
803 elif test "$with_uuid" = no ; then
806 AC_MSG_ERROR([--with-uuid must specify one of bsd, e2fs, or ossp])
809 AC_SUBST(UUID_EXTRA_OBJS)
815 PGAC_ARG_BOOL(with, libxml, no, [build with XML support],
816 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
818 if test "$with_libxml" = yes ; then
819 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
820 if test -n "$XML2_CONFIG"; then
821 for pgac_option in `$XML2_CONFIG --cflags`; do
823 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
826 for pgac_option in `$XML2_CONFIG --libs`; do
828 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
834 AC_SUBST(with_libxml)
839 PGAC_ARG_BOOL(with, libxslt, no, [use XSLT support when building contrib/xml2],
840 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
843 AC_SUBST(with_libxslt)
848 PGAC_ARG_REQ(with, system-tzdata,
849 [DIR], [use system time zone data in DIR])
850 AC_SUBST(with_system_tzdata)
855 PGAC_ARG_BOOL(with, zlib, yes,
863 # Assume system is ELF if it predefines __ELF__ as 1,
864 # otherwise believe host_os based default.
866 freebsd1*|freebsd2*) elf=no;;
867 freebsd3*|freebsd4*) elf=yes;;
876 [if test "X$elf" = "Xyes" ; then
887 CPPFLAGS="$CPPFLAGS $INCLUDES"
888 LDFLAGS="$LDFLAGS $LIBDIRS"
890 AC_ARG_VAR(LDFLAGS_EX, [extra linker flags for linking executables only])
891 AC_ARG_VAR(LDFLAGS_SL, [extra linker flags for linking shared libraries only])
895 AC_SUBST(with_gnu_ld)
898 AC_CHECK_TOOL(AR, ar, ar)
899 if test "$PORTNAME" = "win32"; then
900 AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
901 AC_CHECK_TOOL(DLLWRAP, dllwrap, dllwrap)
902 AC_CHECK_TOOL(WINDRES, windres, windres)
906 # When Autoconf chooses install-sh as install program it tries to generate
907 # a relative path to it in each makefile where it substitutes it. This clashes
908 # with our Makefile.global concept. This workaround helps.
910 *install-sh*) install_bin='';;
911 *) install_bin=$INSTALL;;
913 AC_SUBST(install_bin)
915 AC_PATH_PROG(TAR, tar)
919 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
920 # a relative path to it in each makefile where it substitutes it. This clashes
921 # with our Makefile.global concept. This workaround helps.
923 *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
930 if test "$with_perl" = yes; then
931 if test -z "$PERL"; then
932 AC_MSG_ERROR([Perl not found])
934 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
935 if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
936 AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
937 You might have to rebuild your Perl installation. Refer to the
938 documentation for details. Use --without-perl to disable building
941 PGAC_CHECK_PERL_EMBED_LDFLAGS
944 if test "$with_python" = yes; then
946 PGAC_CHECK_PYTHON_EMBED_SETUP
949 if test "$cross_compiling" = yes && test -z "$with_system_tzdata"; then
950 AC_PATH_PROG(ZIC, zic)
951 if test -z "$ZIC"; then
953 When cross-compiling, either use the option --with-system-tzdata to use
954 existing time-zone data, or set the environment variable ZIC to a zic
955 program to use during the build.])
962 # For each platform, we need to know about any special compile and link
963 # libraries, and whether the normal C function names are thread-safe.
964 # See the comment at the top of src/port/thread.c for more information.
965 # WIN32 doesn't need the pthread tests; it always uses threads
967 # These tests are run before the library-tests, because linking with the
968 # other libraries can pull in the pthread functions as a side-effect. We
969 # want to use the -pthread or similar flags directly, and not rely on
970 # the side-effects of linking with some other library.
972 # note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
973 # invocation below is the first one in the script, and autoconf generates
974 # additional code for that, which must not be inside the if-block. AS_IF
975 # knows how to do that.
976 AS_IF([test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"],
978 AX_PTHREAD # set thread flags
980 # Some platforms use these, so just define them. They can't hurt if they
981 # are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
982 # enables 5-arg getpwuid_r, among other things.
983 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
985 # Check for *_r functions
988 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
989 LIBS="$LIBS $PTHREAD_LIBS"
991 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
992 pthread.h not found; use --disable-thread-safety to disable thread safety])])
994 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
996 # Do test here with the proper thread flags
997 PGAC_FUNC_STRERROR_R_INT
1003 # do not use values from template file
1008 AC_SUBST(PTHREAD_CFLAGS)
1009 AC_SUBST(PTHREAD_LIBS)
1015 ## Most libraries are included only if they demonstrably provide a function
1016 ## we need, but libm is an exception: always include it, because there are
1017 ## too many compilers that play cute optimization games that will break
1018 ## probes for standard functions such as pow().
1021 AC_CHECK_LIB(m, main)
1022 AC_SEARCH_LIBS(setproctitle, util)
1023 AC_SEARCH_LIBS(dlopen, dl)
1024 AC_SEARCH_LIBS(socket, [socket ws2_32])
1025 AC_SEARCH_LIBS(shl_load, dld)
1026 # We only use libld in port/dynloader/aix.c
1029 AC_SEARCH_LIBS(ldopen, ld)
1032 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
1033 AC_SEARCH_LIBS(crypt, crypt)
1034 AC_SEARCH_LIBS(shm_open, rt)
1035 AC_SEARCH_LIBS(shm_unlink, rt)
1036 AC_SEARCH_LIBS(clock_gettime, [rt posix4])
1038 AC_SEARCH_LIBS(fdatasync, [rt posix4])
1039 # Required for thread_test.c on Solaris
1040 AC_SEARCH_LIBS(sched_yield, rt)
1041 # Required for thread_test.c on Solaris 2.5:
1042 # Other ports use it too (HP-UX) so test unconditionally
1043 AC_SEARCH_LIBS(gethostbyname_r, nsl)
1045 AC_SEARCH_LIBS(shmget, cygipc)
1047 if test "$with_readline" = yes; then
1049 if test x"$pgac_cv_check_readline" = x"no"; then
1050 AC_MSG_ERROR([readline library not found
1051 If you have readline already installed, see config.log for details on the
1052 failure. It is possible the compiler isn't looking in the proper directory.
1053 Use --without-readline to disable readline support.])
1057 if test "$with_zlib" = yes; then
1058 AC_CHECK_LIB(z, inflate, [],
1059 [AC_MSG_ERROR([zlib library not found
1060 If you have zlib already installed, see config.log for details on the
1061 failure. It is possible the compiler isn't looking in the proper directory.
1062 Use --without-zlib to disable zlib support.])])
1065 if test "$enable_spinlocks" = yes; then
1066 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
1069 *** Not using spinlocks will cause poor performance.])
1072 if test "$enable_atomics" = yes; then
1073 AC_DEFINE(HAVE_ATOMICS, 1, [Define to 1 if you want to use atomics if available.])
1076 *** Not using atomic operations will cause poor performance.])
1079 if test "$with_gssapi" = yes ; then
1080 if test "$PORTNAME" != "win32"; then
1081 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
1082 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
1084 LIBS="$LIBS -lgssapi32"
1088 if test "$with_openssl" = yes ; then
1090 if test "$PORTNAME" != "win32"; then
1091 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1092 AC_CHECK_LIB(ssl, SSL_new, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1094 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1095 AC_SEARCH_LIBS(SSL_new, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1097 AC_CHECK_FUNCS([SSL_get_current_compression])
1098 # Functions introduced in OpenSSL 1.1.0. We used to check for
1099 # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
1100 # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
1101 # doesn't have these OpenSSL 1.1.0 functions. So check for individual
1103 AC_CHECK_FUNCS([OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL])
1104 # OpenSSL versions before 1.1.0 required setting callback functions, for
1105 # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
1106 # function was removed.
1107 AC_CHECK_FUNCS([CRYPTO_lock])
1110 if test "$with_pam" = yes ; then
1111 AC_CHECK_LIB(pam, pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
1114 if test "$with_libxml" = yes ; then
1115 AC_CHECK_LIB(xml2, xmlSaveToBuffer, [], [AC_MSG_ERROR([library 'xml2' (version >= 2.6.23) is required for XML support])])
1118 if test "$with_libxslt" = yes ; then
1119 AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
1122 # Note: We can test for libldap_r only after we know PTHREAD_LIBS
1123 if test "$with_ldap" = yes ; then
1125 if test "$PORTNAME" != "win32"; then
1126 AC_CHECK_LIB(ldap, ldap_bind, [],
1127 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
1129 LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
1130 if test "$enable_thread_safety" = yes; then
1131 # on some platforms ldap_r fails to link without PTHREAD_LIBS
1132 AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
1133 [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
1134 [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
1135 LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
1137 LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
1140 AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
1141 LDAP_LIBS_FE="-lwldap32"
1142 LDAP_LIBS_BE="-lwldap32"
1146 AC_SUBST(LDAP_LIBS_FE)
1147 AC_SUBST(LDAP_LIBS_BE)
1149 # for contrib/sepgsql
1150 if test "$with_selinux" = yes; then
1151 AC_CHECK_LIB(selinux, security_compute_create_name, [],
1152 [AC_MSG_ERROR([library 'libselinux', version 2.1.10 or newer, is required for SELinux support])])
1155 # for contrib/uuid-ossp
1156 if test "$with_uuid" = bsd ; then
1157 # On BSD, the UUID functions are in libc
1158 AC_CHECK_FUNC(uuid_to_string,
1160 [AC_MSG_ERROR([BSD UUID functions are not present])])
1161 elif test "$with_uuid" = e2fs ; then
1162 # On macOS, the UUID functions are in libc
1163 AC_CHECK_FUNC(uuid_generate,
1165 [AC_CHECK_LIB(uuid, uuid_generate,
1166 [UUID_LIBS="-luuid"],
1167 [AC_MSG_ERROR([library 'uuid' is required for E2FS UUID])])])
1168 elif test "$with_uuid" = ossp ; then
1169 AC_CHECK_LIB(ossp-uuid, uuid_export,
1170 [UUID_LIBS="-lossp-uuid"],
1171 [AC_CHECK_LIB(uuid, uuid_export,
1172 [UUID_LIBS="-luuid"],
1173 [AC_MSG_ERROR([library 'ossp-uuid' or 'uuid' is required for OSSP UUID])])])
1182 AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
1184 # On BSD, test for net/if.h will fail unless sys/socket.h
1185 # is included first.
1186 AC_CHECK_HEADERS(net/if.h, [], [],
1187 [AC_INCLUDES_DEFAULT
1188 #include <sys/socket.h>
1191 # On OpenBSD, test for sys/ucred.h will fail unless sys/param.h
1192 # is included first.
1193 AC_CHECK_HEADERS(sys/ucred.h, [], [],
1194 [AC_INCLUDES_DEFAULT
1195 #include <sys/param.h>
1198 # At least on IRIX, test for netinet/tcp.h will fail unless
1199 # netinet/in.h is included first.
1200 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
1201 [AC_INCLUDES_DEFAULT
1202 #include <netinet/in.h>
1205 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
1206 AC_CHECK_HEADERS(readline/readline.h, [],
1207 [AC_CHECK_HEADERS(readline.h, [],
1208 [AC_MSG_ERROR([readline header not found
1209 If you have readline already installed, see config.log for details on the
1210 failure. It is possible the compiler isn't looking in the proper directory.
1211 Use --without-readline to disable readline support.])])])
1212 AC_CHECK_HEADERS(readline/history.h, [],
1213 [AC_CHECK_HEADERS(history.h, [],
1214 [AC_MSG_ERROR([history header not found
1215 If you have readline already installed, see config.log for details on the
1216 failure. It is possible the compiler isn't looking in the proper directory.
1217 Use --without-readline to disable readline support.])])])
1220 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
1221 # Some installations of libedit usurp /usr/include/readline/, which seems
1222 # bad practice, since in combined installations readline will have its headers
1223 # there. We might have to resort to AC_EGREP checks to make sure we found
1224 # the proper header...
1225 AC_CHECK_HEADERS(editline/readline.h, [],
1226 [AC_CHECK_HEADERS(readline.h, [],
1227 [AC_CHECK_HEADERS(readline/readline.h, [],
1228 [AC_MSG_ERROR([readline header not found
1229 If you have libedit already installed, see config.log for details on the
1230 failure. It is possible the compiler isn't looking in the proper directory.
1231 Use --without-readline to disable libedit support.])])])])
1232 # Note: in a libedit installation, history.h is sometimes a dummy, and may
1233 # not be there at all. Hence, don't complain if not found. We must check
1234 # though, since in yet other versions it is an independent header.
1235 AC_CHECK_HEADERS(editline/history.h, [],
1236 [AC_CHECK_HEADERS(history.h, [],
1237 [AC_CHECK_HEADERS(readline/history.h)])])
1240 if test "$with_zlib" = yes; then
1241 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
1242 If you have zlib already installed, see config.log for details on the
1243 failure. It is possible the compiler isn't looking in the proper directory.
1244 Use --without-zlib to disable zlib support.])])
1247 if test "$with_gssapi" = yes ; then
1248 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
1249 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
1252 if test "$with_openssl" = yes ; then
1253 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
1254 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
1257 if test "$with_pam" = yes ; then
1258 AC_CHECK_HEADERS(security/pam_appl.h, [],
1259 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
1260 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
1263 if test "$with_bsd_auth" = yes ; then
1264 AC_CHECK_HEADER(bsd_auth.h, [], [AC_MSG_ERROR([header file <bsd_auth.h> is required for BSD Authentication support])])
1267 if test "$with_systemd" = yes ; then
1268 AC_CHECK_HEADER(systemd/sd-daemon.h, [], [AC_MSG_ERROR([header file <systemd/sd-daemon.h> is required for systemd support])])
1271 if test "$with_libxml" = yes ; then
1272 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
1275 if test "$with_libxslt" = yes ; then
1276 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
1279 if test "$with_ldap" = yes ; then
1280 if test "$PORTNAME" != "win32"; then
1281 AC_CHECK_HEADERS(ldap.h, [],
1282 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
1285 AC_CHECK_HEADERS(winldap.h, [],
1286 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
1287 [AC_INCLUDES_DEFAULT
1288 #include <windows.h>
1293 if test "$with_bonjour" = yes ; then
1294 AC_CHECK_HEADER(dns_sd.h, [], [AC_MSG_ERROR([header file <dns_sd.h> is required for Bonjour])])
1297 # for contrib/uuid-ossp
1298 if test "$with_uuid" = bsd ; then
1299 AC_CHECK_HEADERS(uuid.h,
1300 [AC_EGREP_HEADER([uuid_to_string], uuid.h, [],
1301 [AC_MSG_ERROR([header file <uuid.h> does not match BSD UUID library])])],
1302 [AC_MSG_ERROR([header file <uuid.h> is required for BSD UUID])])
1303 elif test "$with_uuid" = e2fs ; then
1304 AC_CHECK_HEADERS(uuid/uuid.h,
1305 [AC_EGREP_HEADER([uuid_generate], uuid/uuid.h, [],
1306 [AC_MSG_ERROR([header file <uuid/uuid.h> does not match E2FS UUID library])])],
1307 [AC_CHECK_HEADERS(uuid.h,
1308 [AC_EGREP_HEADER([uuid_generate], uuid.h, [],
1309 [AC_MSG_ERROR([header file <uuid.h> does not match E2FS UUID library])])],
1310 [AC_MSG_ERROR([header file <uuid/uuid.h> or <uuid.h> is required for E2FS UUID])])])
1311 elif test "$with_uuid" = ossp ; then
1312 AC_CHECK_HEADERS(ossp/uuid.h,
1313 [AC_EGREP_HEADER([uuid_export], ossp/uuid.h, [],
1314 [AC_MSG_ERROR([header file <ossp/uuid.h> does not match OSSP UUID library])])],
1315 [AC_CHECK_HEADERS(uuid.h,
1316 [AC_EGREP_HEADER([uuid_export], uuid.h, [],
1317 [AC_MSG_ERROR([header file <uuid.h> does not match OSSP UUID library])])],
1318 [AC_MSG_ERROR([header file <ossp/uuid.h> or <uuid.h> is required for OSSP UUID])])])
1321 if test "$PORTNAME" = "win32" ; then
1322 AC_CHECK_HEADERS(crtdefs.h)
1326 ## Types, structures, compiler characteristics
1329 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1332 PGAC_PRINTF_ARCHETYPE
1333 AC_C_FLEXIBLE_ARRAY_MEMBER
1335 PGAC_C_FUNCNAME_SUPPORT
1336 PGAC_C_STATIC_ASSERT
1338 PGAC_C_TYPES_COMPATIBLE
1339 PGAC_C_BUILTIN_BSWAP32
1340 PGAC_C_BUILTIN_BSWAP64
1341 PGAC_C_BUILTIN_CONSTANT_P
1342 PGAC_C_BUILTIN_UNREACHABLE
1343 PGAC_C_COMPUTED_GOTO
1345 PGAC_STRUCT_TIMEZONE
1347 PGAC_STRUCT_SOCKADDR_UN
1348 PGAC_STRUCT_SOCKADDR_STORAGE
1349 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1350 PGAC_STRUCT_ADDRINFO
1353 AC_TYPE_LONG_LONG_INT
1357 AC_CHECK_TYPES([struct cmsgcred], [], [],
1358 [#include <sys/socket.h>
1359 #include <sys/param.h>
1360 #ifdef HAVE_SYS_UCRED_H
1361 #include <sys/ucred.h>
1364 AC_CHECK_TYPES([struct option], [], [],
1365 [#ifdef HAVE_GETOPT_H
1369 if test "$with_zlib" = yes; then
1370 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
1371 # did not). While we could work around the lack of z_streamp, it
1372 # seems unwise to encourage people to use such old zlib versions...
1373 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
1374 Use --without-zlib to disable zlib support.])],
1375 [#include <zlib.h>])
1378 # On PPC, check if assembler supports LWARX instruction's mutex hint bit
1381 AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
1382 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
1383 [int a = 0; int *p = &a; int r;
1384 __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
1385 [pgac_cv_have_ppc_mutex_hint=yes],
1386 [pgac_cv_have_ppc_mutex_hint=no])
1387 AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
1388 if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
1389 AC_DEFINE(HAVE_PPC_LWARX_MUTEX_HINT, 1, [Define to 1 if the assembler supports PPC's LWARX mutex hint bit.])
1394 # Check largefile support. You might think this is a system service not a
1395 # compiler characteristic, but you'd be wrong. We must check this before
1396 # probing existence of related functions such as fseeko, since the largefile
1397 # defines can affect what is generated for that.
1398 if test "$PORTNAME" != "win32"; then
1400 dnl Autoconf 2.69's AC_SYS_LARGEFILE believes it's a good idea to #define
1401 dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on macOS 10.5 that activates a
1402 dnl bug that causes readdir() to sometimes return EINVAL. On later macOS
1403 dnl versions where the feature actually works, it's on by default anyway.
1404 AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],[])
1407 # Check for largefile support (must be after AC_SYS_LARGEFILE)
1408 AC_CHECK_SIZEOF([off_t])
1410 # If we don't have largefile support, can't handle segsize >= 2GB.
1411 if test "$ac_cv_sizeof_off_t" -lt 8 -a "$segsize" != "1"; then
1412 AC_MSG_ERROR([Large file support is not enabled. Segment size cannot be larger than 1GB.])
1417 ## Functions, global variables
1420 PGAC_VAR_INT_TIMEZONE
1421 AC_FUNC_ACCEPT_ARGTYPES
1422 PGAC_FUNC_GETTIMEOFDAY_1ARG
1423 PGAC_FUNC_WCSTOMBS_L
1425 # Some versions of libedit contain strlcpy(), setproctitle(), and other
1426 # symbols that that library has no business exposing to the world. Pending
1427 # acquisition of a clue by those developers, ignore libedit (including its
1428 # possible alias of libreadline) while checking for everything else.
1429 LIBS_including_readline="$LIBS"
1430 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1432 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])
1434 AC_REPLACE_FUNCS(fseeko)
1436 # NetBSD uses a custom fseeko/ftello built on fsetpos/fgetpos
1437 # Mingw uses macros to access Win32 API calls
1439 AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 because replacement version used.])
1440 ac_cv_func_fseeko=yes;;
1445 # posix_fadvise() is a no-op on Solaris, so don't incur function overhead
1446 # by calling it, 2009-04-02
1447 # http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/posix_fadvise.c
1448 if test "$PORTNAME" != "solaris"; then
1449 AC_CHECK_FUNCS(posix_fadvise)
1450 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
1453 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1454 AC_CHECK_DECLS([strlcat, strlcpy])
1455 # This is probably only present on macOS, but may as well check always
1456 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
1459 AC_CHECK_TYPE([struct sockaddr_in6],
1460 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
1463 [$ac_includes_default
1464 #include <netinet/in.h>])
1467 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
1468 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
1469 [#include <machine/vmparam.h>
1470 #include <sys/exec.h>
1472 [PS_STRINGS->ps_nargvstr = 1;
1473 PS_STRINGS->ps_argvstr = "foo";])],
1474 [pgac_cv_var_PS_STRINGS=yes],
1475 [pgac_cv_var_PS_STRINGS=no])])
1476 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1477 AC_DEFINE([HAVE_PS_STRINGS], 1, [Define to 1 if the PS_STRINGS thing exists.])
1481 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1482 # is missing. Yes, there are machines that have only one. We may
1483 # also decide to use snprintf.c if snprintf() is present but does not
1484 # have all the features we need --- see below.
1486 if test "$PORTNAME" = "win32"; then
1487 # Win32 gets snprintf.c built unconditionally.
1489 # To properly translate all NLS languages strings, we must support the
1490 # *printf() %$ format, which allows *printf() arguments to be selected
1491 # by position in the translated string.
1493 # libintl versions < 0.13 use the native *printf() functions, and Win32
1494 # *printf() doesn't understand %$, so we must use our /port versions,
1495 # which do understand %$. libintl versions >= 0.13 include their own
1496 # *printf versions on Win32. The libintl 0.13 release note text is:
1498 # C format strings with positions, as they arise when a translator
1499 # needs to reorder a sentence, are now supported on all platforms.
1500 # On those few platforms (NetBSD and Woe32) for which the native
1501 # printf()/fprintf()/... functions don't support such format
1502 # strings, replacements are provided through <libintl.h>.
1504 # We could use libintl >= 0.13's *printf() if we were sure that we had
1505 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1506 # to guarantee that, it is best to just use our own, so we are sure to
1507 # get %$ support. In include/port.h we disable the *printf() macros
1508 # that might have been defined by libintl.
1510 # We do this unconditionally whether NLS is used or not so we are sure
1511 # that all Win32 libraries and binaries behave the same.
1512 pgac_need_repl_snprintf=yes
1514 pgac_need_repl_snprintf=no
1515 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1516 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1520 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1521 # include/c.h will provide declarations. Note this is a separate test
1522 # from whether the functions exist in the C library --- there are
1523 # systems that have the functions but don't bother to declare them :-(
1525 AC_CHECK_DECLS([snprintf, vsnprintf])
1528 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1529 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1530 [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1534 [return isinf(glob_double) ? 0 : 1;])],
1535 [ac_cv_func_isinf=yes],
1536 [ac_cv_func_isinf=no])])
1538 if test $ac_cv_func_isinf = yes ; then
1539 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1542 # Look for a way to implement a substitute for isinf()
1543 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1546 AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy])
1550 # Windows uses a specialised env handler
1551 # and doesn't need a replacement getpeereid because it doesn't use
1554 AC_DEFINE(HAVE_UNSETENV, 1, [Define to 1 because replacement version used.])
1555 AC_DEFINE(HAVE_GETPEEREID, 1, [Define to 1 because function not required.])
1556 ac_cv_func_unsetenv=yes
1557 ac_cv_func_getpeereid=yes;;
1559 AC_REPLACE_FUNCS([unsetenv getpeereid])
1563 # System's version of getaddrinfo(), if any, may be used only if we found
1564 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1565 # We use only our own getaddrinfo.c on Windows, but it's time to revisit that.
1566 if test x"$ac_cv_type_struct_addrinfo" = xyes && \
1567 test "$PORTNAME" != "win32"; then
1568 AC_REPLACE_FUNCS([getaddrinfo])
1570 AC_LIBOBJ(getaddrinfo)
1573 # Similarly, use system's getopt_long() only if system provides struct option.
1574 if test x"$ac_cv_type_struct_option" = xyes ; then
1575 AC_REPLACE_FUNCS([getopt_long])
1577 AC_LIBOBJ(getopt_long)
1580 # Solaris' getopt() doesn't do what we want for long options, so always use
1581 # our version on that platform.
1582 if test "$PORTNAME" = "solaris"; then
1586 # mingw has adopted a GNU-centric interpretation of optind/optreset,
1587 # so always use our version on Windows.
1588 if test "$PORTNAME" = "win32"; then
1590 AC_LIBOBJ(getopt_long)
1593 # Win32 (really MinGW) support
1594 if test "$PORTNAME" = "win32"; then
1595 AC_REPLACE_FUNCS(gettimeofday)
1601 AC_LIBOBJ(win32error)
1602 AC_LIBOBJ(win32security)
1603 AC_LIBOBJ(win32setlocale)
1604 AC_DEFINE([HAVE_SYMLINK], 1,
1605 [Define to 1 if you have the `symlink' function.])
1606 AC_CHECK_TYPES(MINIDUMP_TYPE, [pgac_minidump_type=yes], [pgac_minidump_type=no], [
1607 #define WIN32_LEAN_AND_MEAN
1608 #include <windows.h>
1610 #include <dbghelp.h>])
1612 if test x"$pgac_minidump_type" = x"yes" ; then
1613 AC_SUBST(have_win32_dbghelp,yes)
1615 AC_SUBST(have_win32_dbghelp,no)
1618 # Cygwin needs only a bit of that
1619 if test "$PORTNAME" = "cygwin"; then
1623 AC_CHECK_DECLS([sys_siglist], [], [],
1624 [#include <signal.h>
1625 /* NetBSD declares sys_siglist in unistd.h. */
1626 #ifdef HAVE_UNISTD_H
1627 # include <unistd.h>
1631 AC_CHECK_FUNC(syslog,
1632 [AC_CHECK_HEADER(syslog.h,
1633 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1635 AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
1636 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1637 [extern int opterr; opterr = 1;])],
1638 [pgac_cv_var_int_opterr=yes],
1639 [pgac_cv_var_int_opterr=no])])
1640 if test x"$pgac_cv_var_int_opterr" = x"yes"; then
1641 AC_DEFINE(HAVE_INT_OPTERR, 1, [Define to 1 if you have the global variable 'int opterr'.])
1644 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1645 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1646 [extern int optreset; optreset = 1;])],
1647 [pgac_cv_var_int_optreset=yes],
1648 [pgac_cv_var_int_optreset=no])])
1649 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1650 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1653 AC_CHECK_FUNCS([strtoll strtoq], [break])
1654 AC_CHECK_FUNCS([strtoull strtouq], [break])
1656 if test "$with_icu" = yes; then
1657 # ICU functions are macros, so we need to do this the long way.
1659 # ucol_strcollUTF8() appeared in ICU 50.
1660 AC_CACHE_CHECK([for ucol_strcollUTF8], [pgac_cv_func_ucol_strcollUTF8],
1661 [ac_save_CPPFLAGS=$CPPFLAGS
1662 CPPFLAGS="$ICU_CFLAGS $CPPFLAGS"
1664 LIBS="$ICU_LIBS $LIBS"
1665 AC_LINK_IFELSE([AC_LANG_PROGRAM(
1666 [#include <unicode/ucol.h>
1668 [ucol_strcollUTF8(NULL, NULL, 0, NULL, 0, NULL);])],
1669 [pgac_cv_func_ucol_strcollUTF8=yes],
1670 [pgac_cv_func_ucol_strcollUTF8=no])
1671 CPPFLAGS=$ac_save_CPPFLAGS
1672 LIBS=$ac_save_LIBS])
1673 if test "$pgac_cv_func_ucol_strcollUTF8" = yes ; then
1674 AC_DEFINE([HAVE_UCOL_STRCOLLUTF8], 1, [Define to 1 if you have the `ucol_strcollUTF8' function.])
1678 # Lastly, restore full LIBS list and check for readline/libedit symbols
1679 LIBS="$LIBS_including_readline"
1681 if test "$with_readline" = yes; then
1682 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1683 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function rl_reset_screen_size])
1684 AC_CHECK_FUNCS([append_history history_truncate_file])
1688 # This test makes sure that run tests work at all. Sometimes a shared
1689 # library is found by the linker, but the runtime linker can't find it.
1690 # This check should come after all modifications of compiler or linker
1691 # variables, and before any other run tests.
1692 AC_MSG_CHECKING([test program])
1693 AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
1694 [AC_MSG_RESULT(ok)],
1695 [AC_MSG_RESULT(failed)
1697 Could not execute a simple test program. This may be a problem
1698 related to locating shared libraries. Check the file 'config.log'
1699 for the exact reason.]])],
1700 [AC_MSG_RESULT([cross-compiling])])
1702 # --------------------
1703 # Run tests below here
1704 # --------------------
1706 # Force use of our snprintf if system's doesn't do arg control
1707 # See comment above at snprintf test for details.
1708 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1709 PGAC_FUNC_SNPRINTF_ARG_CONTROL
1710 if test $pgac_cv_snprintf_arg_control != yes ; then
1711 pgac_need_repl_snprintf=yes
1716 dnl Check to see if we have a working 64-bit integer type.
1717 dnl This breaks down into two steps:
1718 dnl (1) figure out if the compiler has a 64-bit int type with working
1719 dnl arithmetic, and if so
1720 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1721 dnl snprintf is the only library routine we really need for int8 support.)
1722 dnl It's entirely possible to have a compiler that handles a 64-bit type
1723 dnl when the C library doesn't; this is fairly likely when using gcc on
1724 dnl an older platform, for example.
1725 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1726 dnl we force our own version of snprintf() to be used instead.
1727 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1729 dnl As of Postgres 8.4, we no longer support compilers without a working
1730 dnl 64-bit type. But we still handle the case of snprintf being broken.
1732 PGAC_TYPE_64BIT_INT([long int])
1734 if test x"$HAVE_LONG_INT_64" = x"yes" ; then
1735 pg_int64_type="long int"
1737 PGAC_TYPE_64BIT_INT([long long int])
1738 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1739 pg_int64_type="long long int"
1741 AC_MSG_ERROR([Cannot find a working 64-bit integer type.])
1745 AC_DEFINE_UNQUOTED(PG_INT64_TYPE, $pg_int64_type,
1746 [Define to the name of a signed 64-bit integer type.])
1748 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1750 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1751 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1752 #define INT64CONST(x) x##LL
1753 long long int foo = INT64CONST(0x1234567890123456);
1755 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1760 # If we found "long int" is 64 bits, assume snprintf handles it. If
1761 # we found we need to use "long long int", better check. We cope with
1762 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1763 # work, fall back to our own snprintf emulation (which we know uses %lld).
1765 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1766 if test $pgac_need_repl_snprintf = no; then
1767 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
1768 if test "$LONG_LONG_INT_MODIFIER" = ""; then
1769 # Force usage of our own snprintf, since system snprintf is broken
1770 pgac_need_repl_snprintf=yes
1771 LONG_LONG_INT_MODIFIER='ll'
1774 # Here if we previously decided we needed to use our own snprintf
1775 LONG_LONG_INT_MODIFIER='ll'
1778 # Here if we are not using 'long long int' at all
1779 LONG_LONG_INT_MODIFIER='l'
1782 INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
1784 AC_DEFINE_UNQUOTED(INT64_MODIFIER, $INT64_MODIFIER,
1785 [Define to the appropriate snprintf length modifier for 64-bit ints.])
1787 # Also force use of our snprintf if the system's doesn't support the %z flag.
1788 if test "$pgac_need_repl_snprintf" = no; then
1789 PGAC_FUNC_SNPRINTF_SIZE_T_SUPPORT
1790 if test "$pgac_cv_snprintf_size_t_support" != yes; then
1791 pgac_need_repl_snprintf=yes
1795 # Now we have checked all the reasons to replace snprintf
1796 if test $pgac_need_repl_snprintf = yes; then
1797 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1801 # Check size of void *, size_t (enables tweaks for > 32bit address space)
1802 AC_CHECK_SIZEOF([void *])
1803 AC_CHECK_SIZEOF([size_t])
1804 AC_CHECK_SIZEOF([long])
1806 # Decide whether float4 is passed by value: user-selectable, enabled by default
1807 AC_MSG_CHECKING([whether to build with float4 passed by value])
1808 PGAC_ARG_BOOL(enable, float4-byval, yes, [disable float4 passed by value],
1809 [AC_DEFINE([USE_FLOAT4_BYVAL], 1,
1810 [Define to 1 if you want float4 values to be passed by value. (--enable-float4-byval)])
1811 float4passbyval=true],
1812 [float4passbyval=false])
1813 AC_MSG_RESULT([$enable_float4_byval])
1814 AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are passed by value if 'true', by reference if 'false'])
1816 # Decide whether float8 is passed by value.
1817 # Note: this setting also controls int8 and related types such as timestamp.
1818 # If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
1819 # If not, trying to select it is an error.
1820 AC_MSG_CHECKING([whether to build with float8 passed by value])
1821 if test $ac_cv_sizeof_void_p -ge 8 ; then
1822 PGAC_ARG_BOOL(enable, float8-byval, yes, [disable float8 passed by value])
1824 PGAC_ARG_BOOL(enable, float8-byval, no, [disable float8 passed by value])
1825 if test "$enable_float8_byval" = yes ; then
1826 AC_MSG_ERROR([--enable-float8-byval is not supported on 32-bit platforms.])
1829 if test "$enable_float8_byval" = yes ; then
1830 AC_DEFINE([USE_FLOAT8_BYVAL], 1,
1831 [Define to 1 if you want float8, int8, etc values to be passed by value. (--enable-float8-byval)])
1832 float8passbyval=true
1834 float8passbyval=false
1836 AC_MSG_RESULT([$enable_float8_byval])
1837 AC_DEFINE_UNQUOTED([FLOAT8PASSBYVAL], [$float8passbyval], [float8, int8, and related values are passed by value if 'true', by reference if 'false'])
1839 # Determine memory alignment requirements for the basic C data types.
1841 AC_CHECK_ALIGNOF(short)
1842 AC_CHECK_ALIGNOF(int)
1843 AC_CHECK_ALIGNOF(long)
1844 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1845 AC_CHECK_ALIGNOF(long long int)
1847 AC_CHECK_ALIGNOF(double)
1849 # Compute maximum alignment of any basic type.
1850 # We assume long's alignment is at least as strong as char, short, or int;
1851 # but we must check long long (if it exists) and double.
1853 MAX_ALIGNOF=$ac_cv_alignof_long
1854 if test $MAX_ALIGNOF -lt $ac_cv_alignof_double ; then
1855 MAX_ALIGNOF=$ac_cv_alignof_double
1857 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ; then
1858 MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
1860 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1863 # Some platforms predefine the types int8, int16, etc. Only check
1864 # a (hopefully) representative subset.
1865 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1866 [#include <stdio.h>])
1868 # Check for extensions offering the integer scalar type __int128.
1869 PGAC_TYPE_128BIT_INT
1871 # Check for various atomic operations now that we have checked how to declare
1873 PGAC_HAVE_GCC__SYNC_CHAR_TAS
1874 PGAC_HAVE_GCC__SYNC_INT32_TAS
1875 PGAC_HAVE_GCC__SYNC_INT32_CAS
1876 PGAC_HAVE_GCC__SYNC_INT64_CAS
1877 PGAC_HAVE_GCC__ATOMIC_INT32_CAS
1878 PGAC_HAVE_GCC__ATOMIC_INT64_CAS
1881 # Check for x86 cpuid instruction
1882 AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
1883 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
1884 [[unsigned int exx[4] = {0, 0, 0, 0};
1885 __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
1887 [pgac_cv__get_cpuid="yes"],
1888 [pgac_cv__get_cpuid="no"])])
1889 if test x"$pgac_cv__get_cpuid" = x"yes"; then
1890 AC_DEFINE(HAVE__GET_CPUID, 1, [Define to 1 if you have __get_cpuid.])
1893 AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
1894 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
1895 [[unsigned int exx[4] = {0, 0, 0, 0};
1896 __get_cpuid(exx[0], 1);
1898 [pgac_cv__cpuid="yes"],
1899 [pgac_cv__cpuid="no"])])
1900 if test x"$pgac_cv__cpuid" = x"yes"; then
1901 AC_DEFINE(HAVE__CPUID, 1, [Define to 1 if you have __cpuid.])
1904 # Check for Intel SSE 4.2 intrinsics to do CRC calculations.
1906 # First check if the _mm_crc32_u8 and _mm_crc32_u64 intrinsics can be used
1907 # with the default compiler flags. If not, check if adding the -msse4.2
1908 # flag helps. CFLAGS_SSE42 is set to -msse4.2 if that's required.
1909 PGAC_SSE42_CRC32_INTRINSICS([])
1910 if test x"$pgac_sse42_crc32_intrinsics" != x"yes"; then
1911 PGAC_SSE42_CRC32_INTRINSICS([-msse4.2])
1913 AC_SUBST(CFLAGS_SSE42)
1915 # Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
1916 # define __SSE4_2__ in that case.
1917 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1919 #error __SSE4_2__ not defined
1921 ])], [SSE4_2_TARGETED=1])
1923 # Select CRC-32C implementation.
1925 # If we are targeting a processor that has SSE 4.2 instructions, we can use the
1926 # special CRC instructions for calculating CRC-32C. If we're not targeting such
1927 # a processor, but we can nevertheless produce code that uses the SSE
1928 # intrinsics, perhaps with some extra CFLAGS, compile both implementations and
1929 # select which one to use at runtime, depending on whether SSE 4.2 is supported
1930 # by the processor we're running on.
1932 # You can override this logic by setting the appropriate USE_*_CRC32 flag to 1
1933 # in the template or configure command line.
1934 if test x"$USE_SSE42_CRC32C" = x"" && test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"" && test x"$USE_SLICING_BY_8_CRC32C" = x""; then
1935 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && test x"$SSE4_2_TARGETED" = x"1" ; then
1938 # the CPUID instruction is needed for the runtime check.
1939 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && (test x"$pgac_cv__get_cpuid" = x"yes" || test x"$pgac_cv__cpuid" = x"yes"); then
1940 USE_SSE42_CRC32C_WITH_RUNTIME_CHECK=1
1942 # fall back to slicing-by-8 algorithm which doesn't require any special
1944 USE_SLICING_BY_8_CRC32C=1
1949 # Set PG_CRC32C_OBJS appropriately depending on the selected implementation.
1950 AC_MSG_CHECKING([which CRC-32C implementation to use])
1951 if test x"$USE_SSE42_CRC32C" = x"1"; then
1952 AC_DEFINE(USE_SSE42_CRC32C, 1, [Define to 1 use Intel SSE 4.2 CRC instructions.])
1953 PG_CRC32C_OBJS="pg_crc32c_sse42.o"
1954 AC_MSG_RESULT(SSE 4.2)
1956 if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
1957 AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
1958 PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
1959 AC_MSG_RESULT(SSE 4.2 with runtime check)
1961 AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
1962 PG_CRC32C_OBJS="pg_crc32c_sb8.o"
1963 AC_MSG_RESULT(slicing-by-8)
1966 AC_SUBST(PG_CRC32C_OBJS)
1969 # Select semaphore implementation type.
1970 if test "$PORTNAME" != "win32"; then
1971 if test x"$PREFERRED_SEMAPHORES" = x"NAMED_POSIX" ; then
1972 # Need sem_open for this
1973 AC_SEARCH_LIBS(sem_open, [rt pthread], [USE_NAMED_POSIX_SEMAPHORES=1])
1975 if test x"$PREFERRED_SEMAPHORES" = x"UNNAMED_POSIX" ; then
1976 # Need sem_init for this
1977 AC_SEARCH_LIBS(sem_init, [rt pthread], [USE_UNNAMED_POSIX_SEMAPHORES=1])
1979 AC_MSG_CHECKING([which semaphore API to use])
1980 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1981 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1982 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1983 sematype="named POSIX"
1985 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1986 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1987 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1988 sematype="unnamed POSIX"
1990 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1991 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1995 AC_MSG_RESULT([$sematype])
1997 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1998 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
2002 # Select shared-memory implementation type.
2003 if test "$PORTNAME" != "win32"; then
2004 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
2005 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
2007 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
2008 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
2011 # Select random number source
2013 # You can override this logic by setting the appropriate USE_*RANDOM flag to 1
2014 # in the template or configure command line.
2016 # If not selected manually, try to select a source automatically.
2017 if test "$enable_strong_random" = "yes" && test x"$USE_OPENSSL_RANDOM" = x"" && test x"$USE_WIN32_RANDOM" = x"" && test x"$USE_DEV_URANDOM" = x"" ; then
2018 if test x"$with_openssl" = x"yes" ; then
2019 USE_OPENSSL_RANDOM=1
2020 elif test "$PORTNAME" = "win32" ; then
2023 AC_CHECK_FILE([/dev/urandom], [], [])
2025 if test x"$ac_cv_file__dev_urandom" = x"yes" ; then
2031 AC_MSG_CHECKING([which random number source to use])
2032 if test "$enable_strong_random" = yes ; then
2033 if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
2034 AC_DEFINE(USE_OPENSSL_RANDOM, 1, [Define to use OpenSSL for random number generation])
2035 AC_MSG_RESULT([OpenSSL])
2036 elif test x"$USE_WIN32_RANDOM" = x"1" ; then
2037 AC_DEFINE(USE_WIN32_RANDOM, 1, [Define to use native Windows API for random number generation])
2038 AC_MSG_RESULT([Windows native])
2039 elif test x"$USE_DEV_URANDOM" = x"1" ; then
2040 AC_DEFINE(USE_DEV_URANDOM, 1, [Define to use /dev/urandom for random number generation])
2041 AC_MSG_RESULT([/dev/urandom])
2044 no source of strong random numbers was found
2045 PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers,
2046 for authentication protocols. You can use --disable-strong-random to use a
2047 built-in pseudo random number generator, but that may be insecure.])
2049 AC_DEFINE(HAVE_STRONG_RANDOM, 1, [Define to use have a strong random number source])
2051 AC_MSG_RESULT([weak builtin PRNG])
2053 *** Not using a strong random number source may be insecure.])
2056 # If not set in template file, set bytes to use libc memset()
2057 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
2058 MEMSET_LOOP_LIMIT=1024
2060 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
2063 if test "$enable_nls" = yes ; then
2067 # Check for Tcl configuration script tclConfig.sh
2068 if test "$with_tcl" = yes; then
2069 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
2070 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
2071 [TCL_INCLUDE_SPEC,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
2072 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
2073 if test "$TCL_SHARED_BUILD" != 1; then
2074 AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
2075 Use --without-tcl to disable building PL/Tcl.])
2077 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
2078 ac_save_CPPFLAGS=$CPPFLAGS
2079 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
2080 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
2081 CPPFLAGS=$ac_save_CPPFLAGS
2084 # check for <perl.h>
2085 if test "$with_perl" = yes; then
2086 ac_save_CPPFLAGS=$CPPFLAGS
2087 CPPFLAGS="$CPPFLAGS -I$perl_archlibexp/CORE"
2088 AC_CHECK_HEADER(perl.h, [], [AC_MSG_ERROR([header file <perl.h> is required for Perl])],
2089 [#include <EXTERN.h>])
2090 # While we're at it, check that we can link to libperl.
2091 # On most platforms, if perl.h is there then libperl.so will be too, but at
2092 # this writing Debian packages them separately. There is no known reason to
2093 # waste cycles on separate probes for the Tcl or Python libraries, though.
2094 pgac_save_LIBS=$LIBS
2095 LIBS="$perl_embed_ldflags"
2096 AC_MSG_CHECKING([for libperl])
2097 AC_LINK_IFELSE([AC_LANG_PROGRAM([
2100 ], [perl_alloc();])],
2101 [AC_MSG_RESULT(yes)],
2103 AC_MSG_ERROR([libperl library is required for Perl])])
2104 LIBS=$pgac_save_LIBS
2105 CPPFLAGS=$ac_save_CPPFLAGS
2108 # check for <Python.h>
2109 if test "$with_python" = yes; then
2110 ac_save_CPPFLAGS=$CPPFLAGS
2111 CPPFLAGS="$python_includespec $CPPFLAGS"
2112 AC_CHECK_HEADER(Python.h, [], [AC_MSG_ERROR([header file <Python.h> is required for Python])])
2113 CPPFLAGS=$ac_save_CPPFLAGS
2117 # Check for DocBook and tools
2120 PGAC_CHECK_DOCBOOK(4.2)
2121 AC_CHECK_PROGS(DBTOEPUB, dbtoepub)
2122 AC_CHECK_PROGS(XMLLINT, xmllint)
2123 AC_CHECK_PROGS(XSLTPROC, xsltproc)
2124 AC_CHECK_PROGS(OSX, [osx sgml2xml sx])
2125 AC_CHECK_PROGS(FOP, fop)
2128 # Check for test tools
2130 if test "$enable_tap_tests" = yes; then
2131 AC_CHECK_PROGS(PROVE, prove)
2132 if test -z "$PROVE"; then
2133 AC_MSG_ERROR([prove not found])
2135 if test -z "$PERL"; then
2136 AC_MSG_ERROR([Perl not found])
2142 # We have to run the thread test near the end so we have all our symbols
2143 # defined. Cross compiling throws a warning.
2145 if test "$enable_thread_safety" = yes; then
2146 if test "$PORTNAME" != "win32"
2148 AC_MSG_CHECKING([thread safety of required library functions])
2152 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
2153 LIBS="$LIBS $PTHREAD_LIBS"
2155 [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
2156 [AC_MSG_RESULT(yes)],
2158 AC_MSG_ERROR([thread test program failed
2159 This platform is not thread-safe. Check the file 'config.log' or compile
2160 and run src/test/thread/thread_test for the exact reason.
2161 Use --disable-thread-safety to disable thread safety.])],
2162 [AC_MSG_RESULT(maybe)
2164 *** Skipping thread test program because of cross-compile build.
2165 *** Run the program in src/test/thread on the target machine.
2170 AC_MSG_WARN([*** skipping thread test on Win32])
2174 # If compiler will take -Wl,--as-needed (or various platform-specific
2175 # spellings thereof) then add that to LDFLAGS. This is much easier than
2176 # trying to filter LIBS to the minimum for each executable.
2177 # On (at least) some Red-Hat-derived systems, this switch breaks linking to
2178 # libreadline; therefore we postpone testing it until we know what library
2179 # dependencies readline has. The test code will try to link with $LIBS.
2180 if test "$with_readline" = yes; then
2181 link_test_func=readline
2186 if test "$PORTNAME" = "darwin"; then
2187 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-dead_strip_dylibs], $link_test_func)
2188 elif test "$PORTNAME" = "openbsd"; then
2189 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-Bdynamic], $link_test_func)
2191 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,--as-needed], $link_test_func)
2194 # Create compiler version string
2195 if test x"$GCC" = x"yes" ; then
2196 cc_string=`${CC} --version | sed q`
2197 case $cc_string in [[A-Za-z]]*) ;; *) cc_string="GCC $cc_string";; esac
2198 elif test x"$SUN_STUDIO_CC" = x"yes" ; then
2199 cc_string=`${CC} -V 2>&1 | sed q`
2204 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
2205 ["PostgreSQL $PG_VERSION on $host, compiled by $cc_string, `expr $ac_cv_sizeof_void_p \* 8`-bit"],
2206 [A string containing the version number, platform, and C compiler])
2208 # Supply a numeric version string for use by 3rd party add-ons
2209 # awk -F is a regex on some platforms, and not on others, so make "." a tab
2210 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
2212 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
2213 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
2214 AC_SUBST(PG_VERSION_NUM)
2217 # Begin output steps
2219 AC_MSG_NOTICE([using compiler=$cc_string])
2220 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
2221 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
2222 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
2224 # prepare build tree if outside source tree
2225 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
2226 # Note 2: /bin/pwd might be better than shell's built-in at getting
2227 # a symlink-free name.
2228 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
2232 if test "$no_create" != yes; then
2233 _AS_ECHO_N([preparing build tree... ])
2234 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
2235 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
2236 || AC_MSG_ERROR(failed)
2240 AC_SUBST(vpath_build)
2243 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
2246 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
2247 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
2248 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
2249 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
2250 src/include/pg_config_os.h:src/include/port/${template}.h
2251 src/Makefile.port:src/makefiles/Makefile.${template}
2254 if test "$PORTNAME" = "win32"; then
2255 AC_CONFIG_COMMANDS([check_win32_symlinks],[
2256 # Links sometimes fail undetected on Mingw -
2257 # so here we detect it and warn the user
2258 for FILE in $CONFIG_LINKS
2260 # test -e works for symlinks in the MinGW console
2261 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
2266 AC_CONFIG_HEADERS([src/include/pg_config.h],
2268 # Update timestamp for pg_config.h (see Makefile.global)
2269 echo >src/include/stamp-h
2272 AC_CONFIG_HEADERS([src/include/pg_config_ext.h],
2274 # Update timestamp for pg_config_ext.h (see Makefile.global)
2275 echo >src/include/stamp-ext-h
2278 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h],
2279 [echo >src/interfaces/ecpg/include/stamp-h])