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], [9.6devel], [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) 1996-2015, 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" : '\([0-9][0-9]*\.[0-9][0-9]*\)'`]
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(['$withval' is not a valid template name. Use 'list' for a list.])
58 # --with-template not given
62 cygwin*) template=cygwin ;;
63 darwin*) template=darwin ;;
64 dragonfly*) template=netbsd ;;
65 freebsd*) template=freebsd ;;
66 hpux*) template=hpux ;;
67 linux*|gnu*|k*bsd*-gnu)
69 mingw*) template=win32 ;;
70 netbsd*) template=netbsd ;;
71 openbsd*) template=openbsd ;;
73 solaris*) template=solaris ;;
74 sysv5*) template=unixware ;;
77 if test x"$template" = x"" ; then
79 *******************************************************************
80 PostgreSQL has apparently not been ported to your platform yet.
81 To try a manual configuration, look into the src/template directory
82 for a similar platform and use the '--with-template=' option.
84 Please also contact <pgsql-bugs@postgresql.org> to see about
85 rectifying this. Include the above 'checking host system type...'
87 *******************************************************************
93 AC_MSG_RESULT([$template])
98 # Initialize default assumption that we do not need separate assembly code
99 # for TAS (test-and-set). This can be overridden by the template file
100 # when it's executed.
107 ## Command line options
111 # Add non-standard directories to the include path
113 PGAC_ARG_REQ(with, includes, [DIRS], [look for additional header files in DIRS])
117 # Add non-standard directories to the library search path
119 PGAC_ARG_REQ(with, libraries, [DIRS], [look for additional libraries in DIRS],
120 [LIBRARY_DIRS=$withval])
122 PGAC_ARG_REQ(with, libs, [DIRS], [alternative spelling of --with-libraries],
123 [LIBRARY_DIRS=$withval])
127 # 64-bit integer date/time storage: enabled by default.
129 AC_MSG_CHECKING([whether to build with 64-bit integer date/time support])
130 PGAC_ARG_BOOL(enable, integer-datetimes, yes, [disable 64-bit integer date/time support],
131 [AC_DEFINE([USE_INTEGER_DATETIMES], 1,
132 [Define to 1 if you want 64-bit integer timestamp and interval support. (--enable-integer-datetimes)])])
133 AC_MSG_RESULT([$enable_integer_datetimes])
139 AC_MSG_CHECKING([whether NLS is wanted])
140 PGAC_ARG_OPTARG(enable, nls,
141 [LANGUAGES], [enable Native Language Support],
143 [WANTED_LANGUAGES=$enableval],
144 [AC_DEFINE(ENABLE_NLS, 1,
145 [Define to 1 if you want National Language Support. (--enable-nls)])])
146 AC_MSG_RESULT([$enable_nls])
148 AC_SUBST(WANTED_LANGUAGES)
151 # Default port number (--with-pgport), default 5432
153 AC_MSG_CHECKING([for default port number])
154 PGAC_ARG_REQ(with, pgport, [PORTNUM], [set default port number [5432]],
155 [default_port=$withval],
157 AC_MSG_RESULT([$default_port])
158 # Need both of these because some places want an integer and some a string
159 AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
160 [Define to the default TCP port number on which the server listens and
161 to which clients will try to connect. This can be overridden at run-time,
162 but it's convenient if your clients have the right default compiled in.
163 (--with-pgport=PORTNUM)])
164 AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
165 [Define to the default TCP port number as a string constant.])
166 AC_SUBST(default_port)
169 # '-rpath'-like feature can be disabled
171 PGAC_ARG_BOOL(enable, rpath, yes,
172 [do not embed shared library search path in executables])
173 AC_SUBST(enable_rpath)
178 PGAC_ARG_BOOL(enable, spinlocks, yes,
179 [do not use spinlocks])
184 PGAC_ARG_BOOL(enable, atomics, yes,
185 [do not use atomic operations])
188 # --enable-debug adds -g to compiler flags
190 PGAC_ARG_BOOL(enable, debug, no,
191 [build with debugging symbols (-g)])
192 AC_SUBST(enable_debug)
195 # --enable-profiling enables gcc profiling
197 PGAC_ARG_BOOL(enable, profiling, no,
198 [build with profiling enabled ])
201 # --enable-coverage enables generation of code coverage metrics with gcov
203 PGAC_ARG_BOOL(enable, coverage, no,
204 [build with coverage testing instrumentation],
205 [AC_CHECK_PROGS(GCOV, gcov)
206 if test -z "$GCOV"; then
207 AC_MSG_ERROR([gcov not found])
209 AC_CHECK_PROGS(LCOV, lcov)
210 if test -z "$LCOV"; then
211 AC_MSG_ERROR([lcov not found])
213 AC_CHECK_PROGS(GENHTML, genhtml)
214 if test -z "$GENHTML"; then
215 AC_MSG_ERROR([genhtml not found])
217 AC_SUBST(enable_coverage)
222 PGAC_ARG_BOOL(enable, dtrace, no,
223 [build with DTrace support],
224 [AC_CHECK_PROGS(DTRACE, dtrace)
225 if test -z "$DTRACE"; then
226 AC_MSG_ERROR([dtrace not found])
228 AC_SUBST(DTRACEFLAGS)])
229 AC_SUBST(enable_dtrace)
234 PGAC_ARG_BOOL(enable, tap-tests, no,
235 [enable TAP tests (requires Perl and IPC::Run)])
236 AC_SUBST(enable_tap_tests)
241 AC_MSG_CHECKING([for block size])
242 PGAC_ARG_REQ(with, blocksize, [BLOCKSIZE], [set table block size in kB [8]],
243 [blocksize=$withval],
252 *) AC_MSG_ERROR([Invalid block size. Allowed values are 1,2,4,8,16,32.])
254 AC_MSG_RESULT([${blocksize}kB])
256 AC_DEFINE_UNQUOTED([BLCKSZ], ${BLCKSZ}, [
257 Size of a disk block --- this also limits the size of a tuple. You
258 can set it bigger if you need bigger tuples (although TOAST should
259 reduce the need to have large tuples, since fields can be spread
260 across multiple tuples).
262 BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ
263 is currently 2^15 (32768). This is determined by the 15-bit widths
264 of the lp_off and lp_len fields in ItemIdData (see
265 include/storage/itemid.h).
267 Changing BLCKSZ requires an initdb.
271 # Relation segment size
273 AC_MSG_CHECKING([for segment size])
274 PGAC_ARG_REQ(with, segsize, [SEGSIZE], [set table segment size in GB [1]],
277 # this expression is set up to avoid unnecessary integer overflow
278 # blocksize is already guaranteed to be a factor of 1024
279 RELSEG_SIZE=`expr '(' 1024 / ${blocksize} ')' '*' ${segsize} '*' 1024`
280 test $? -eq 0 || exit 1
281 AC_MSG_RESULT([${segsize}GB])
283 AC_DEFINE_UNQUOTED([RELSEG_SIZE], ${RELSEG_SIZE}, [
284 RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
285 Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
286 relations bigger than that are divided into multiple files.
288 RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file size.
289 This is often 2 GB or 4GB in a 32-bit operating system, unless you
290 have large file support enabled. By default, we make the limit 1 GB
291 to avoid any possible integer-overflow problems within the OS.
292 A limit smaller than necessary only means we divide a large
293 relation into more chunks than necessary, so it seems best to err
294 in the direction of a small limit.
296 A power-of-2 value is recommended to save a few cycles in md.c,
297 but is not absolutely required.
299 Changing RELSEG_SIZE requires an initdb.
305 AC_MSG_CHECKING([for WAL block size])
306 PGAC_ARG_REQ(with, wal-blocksize, [BLOCKSIZE], [set WAL block size in kB [8]],
307 [wal_blocksize=$withval],
309 case ${wal_blocksize} in
310 1) XLOG_BLCKSZ=1024;;
311 2) XLOG_BLCKSZ=2048;;
312 4) XLOG_BLCKSZ=4096;;
313 8) XLOG_BLCKSZ=8192;;
314 16) XLOG_BLCKSZ=16384;;
315 32) XLOG_BLCKSZ=32768;;
316 64) XLOG_BLCKSZ=65536;;
317 *) AC_MSG_ERROR([Invalid WAL block size. Allowed values are 1,2,4,8,16,32,64.])
319 AC_MSG_RESULT([${wal_blocksize}kB])
321 AC_DEFINE_UNQUOTED([XLOG_BLCKSZ], ${XLOG_BLCKSZ}, [
322 Size of a WAL file block. This need have no particular relation to BLCKSZ.
323 XLOG_BLCKSZ must be a power of 2, and if your system supports O_DIRECT I/O,
324 XLOG_BLCKSZ must be a multiple of the alignment requirement for direct-I/O
325 buffers, else direct I/O may fail.
327 Changing XLOG_BLCKSZ requires an initdb.
333 AC_MSG_CHECKING([for WAL segment size])
334 PGAC_ARG_REQ(with, wal-segsize, [SEGSIZE], [set WAL segment size in MB [16]],
335 [wal_segsize=$withval],
337 case ${wal_segsize} in
345 *) AC_MSG_ERROR([Invalid WAL segment size. Allowed values are 1,2,4,8,16,32,64.])
347 AC_MSG_RESULT([${wal_segsize}MB])
349 AC_DEFINE_UNQUOTED([XLOG_SEG_SIZE], [(${wal_segsize} * 1024 * 1024)], [
350 XLOG_SEG_SIZE is the size of a single WAL file. This must be a power of 2
351 and larger than XLOG_BLCKSZ (preferably, a great deal larger than
354 Changing XLOG_SEG_SIZE requires an initdb.
361 # For historical reasons you can also use --with-CC to specify the C compiler
362 # to use, although the standard way to do this is to set the CC environment
364 PGAC_ARG_REQ(with, CC, [CMD], [set compiler (deprecated)], [CC=$with_CC])
367 aix) pgac_cc_list="gcc xlc";;
368 *) pgac_cc_list="gcc cc";;
371 AC_PROG_CC([$pgac_cc_list])
373 # Check if it's Intel's compiler, which (usually) pretends to be gcc,
374 # but has idiosyncrasies of its own. We assume icc will define
375 # __INTEL_COMPILER regardless of CFLAGS.
376 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
378 @%:@endif])], [ICC=yes], [ICC=no])
380 # Check if it's Sun Studio compiler. We assume that
381 # __SUNPRO_C will be defined for Sun Studio compilers
382 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
384 @%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
386 AC_SUBST(SUN_STUDIO_CC)
393 . "$srcdir/src/template/$template" || exit
395 # CFLAGS are selected so:
396 # If the user specifies something in the environment, that is used.
397 # else: If the template file set something, that is used.
398 # else: If coverage was enabled, don't set anything.
399 # else: If the compiler is GCC, then we use -O2.
400 # else: If the compiler is something else, then we use -O, unless debugging.
402 if test "$ac_env_CFLAGS_set" = set; then
403 CFLAGS=$ac_env_CFLAGS_value
404 elif test "${CFLAGS+set}" = set; then
405 : # (keep what template set)
406 elif test "$enable_coverage" = yes; then
407 : # no optimization by default
408 elif test "$GCC" = yes; then
411 # if the user selected debug mode, don't use -O
412 if test "$enable_debug" != yes; then
417 # CFLAGS we determined above will be added back at the end
421 # set CFLAGS_VECTOR from the environment, if available
422 if test "$ac_env_CFLAGS_VECTOR_set" = set; then
423 CFLAGS_VECTOR=$ac_env_CFLAGS_VECTOR_value
426 # Some versions of GCC support some additional useful warning flags.
427 # Check whether they are supported, and add them to CFLAGS if so.
428 # ICC pretends to be GCC but it's lying; it doesn't support these flags,
429 # but has its own. Also check other compiler-specific flags here.
431 if test "$GCC" = yes -a "$ICC" = no; then
432 CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
433 # These work in some but not all gcc versions
434 PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
435 PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
436 PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
437 # This was included in -Wall/-Wformat in older GCC versions
438 PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
439 # Disable strict-aliasing rules; needed for gcc 3.3+
440 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
441 # Disable optimizations that assume no overflow; needed for gcc 4.3+
442 PGAC_PROG_CC_CFLAGS_OPT([-fwrapv])
443 # Disable FP optimizations that cause various errors on gcc 4.5+ or maybe 4.6+
444 PGAC_PROG_CC_CFLAGS_OPT([-fexcess-precision=standard])
445 # Optimization flags for specific files that benefit from vectorization
446 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
447 PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
448 # We want to suppress clang's unhelpful unused-command-line-argument warnings
449 # but gcc won't complain about unrecognized -Wno-foo switches, so we have to
450 # test for the positive form and if that works, add the negative form
451 PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wunused-command-line-argument])
452 if test -n "$NOT_THE_CFLAGS"; then
453 CFLAGS="$CFLAGS -Wno-unused-command-line-argument"
455 elif test "$ICC" = yes; then
456 # Intel's compiler has a bug/misoptimization in checking for
457 # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
458 PGAC_PROG_CC_CFLAGS_OPT([-mp1])
459 # Make sure strict aliasing is off (though this is said to be the default)
460 PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
461 elif test "$PORTNAME" = "aix"; then
462 # AIX's xlc has to have strict aliasing turned off too
463 PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
464 PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
465 elif test "$PORTNAME" = "hpux"; then
466 # On some versions of HP-UX, libm functions do not set errno by default.
467 # Fix that by using +Olibmerrno if the compiler recognizes it.
468 PGAC_PROG_CC_CFLAGS_OPT([+Olibmerrno])
471 AC_SUBST(CFLAGS_VECTOR, $CFLAGS_VECTOR)
473 # supply -g if --enable-debug
474 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
478 # enable code coverage if --enable-coverage
479 if test "$enable_coverage" = yes; then
480 if test "$GCC" = yes; then
481 CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
483 AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
487 # enable profiling if --enable-profiling
488 if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
489 if test "$GCC" = yes; then
490 AC_DEFINE([PROFILE_PID_DIR], 1,
491 [Define to 1 to allow profiling output to be saved separately for each process.])
492 CFLAGS="$CFLAGS -pg $PLATFORM_PROFILE_FLAGS"
494 AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
498 # We already have this in Makefile.win32, but configure needs it too
499 if test "$PORTNAME" = "win32"; then
500 CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
503 # Now that we're done automatically adding stuff to CFLAGS, put back the
504 # user-specified flags (if any) at the end. This lets users override
505 # the automatic additions.
506 CFLAGS="$CFLAGS $user_CFLAGS"
508 # Check if the compiler still works with the final flag settings
509 AC_MSG_CHECKING([whether the C compiler still works])
510 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
511 [AC_MSG_RESULT(yes)],
513 AC_MSG_ERROR([cannot proceed])])
515 # Defend against gcc -ffast-math
516 if test "$GCC" = yes; then
517 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
519 @%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
527 # Set up TAS assembly code if needed; the template file has now had its
528 # chance to request this.
530 AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
532 if test "$need_tas" = yes ; then
541 # Automatic dependency tracking
543 PGAC_ARG_BOOL(enable, depend, no, [turn on automatic dependency tracking],
549 # Enable assert checks
551 PGAC_ARG_BOOL(enable, cassert, no, [enable assertion checks (for debugging)],
552 [AC_DEFINE([USE_ASSERT_CHECKING], 1,
553 [Define to 1 to build with assertion checks. (--enable-cassert)])])
557 # Include directories
560 IFS="${IFS}${PATH_SEPARATOR}"
561 # SRCH_INC comes from the template file
562 for dir in $with_includes $SRCH_INC; do
563 if test -d "$dir"; then
564 INCLUDES="$INCLUDES -I$dir"
566 AC_MSG_WARN([*** Include directory $dir does not exist.])
574 # Library directories
577 IFS="${IFS}${PATH_SEPARATOR}"
578 # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
579 for dir in $LIBRARY_DIRS $SRCH_LIB; do
580 if test -d "$dir"; then
581 LIBDIRS="$LIBDIRS -L$dir"
583 AC_MSG_WARN([*** Library directory $dir does not exist.])
589 # Enable thread-safe client libraries
591 AC_MSG_CHECKING([allow thread-safe client libraries])
592 PGAC_ARG_BOOL(enable, thread-safety, yes, [disable thread-safety in client libraries])
593 if test "$enable_thread_safety" = yes; then
594 AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
595 [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
597 AC_MSG_RESULT([$enable_thread_safety])
598 AC_SUBST(enable_thread_safety)
601 # Optionally build Tcl modules (PL/Tcl)
603 AC_MSG_CHECKING([whether to build with Tcl])
604 PGAC_ARG_BOOL(with, tcl, no, [build Tcl modules (PL/Tcl)])
605 AC_MSG_RESULT([$with_tcl])
608 # We see if the path to the Tcl/Tk configuration scripts is specified.
609 # This will override the use of tclsh to find the paths to search.
611 PGAC_ARG_REQ(with, tclconfig, [DIR], [tclConfig.sh is in DIR])
614 # Optionally build Perl modules (PL/Perl)
616 AC_MSG_CHECKING([whether to build Perl modules])
617 PGAC_ARG_BOOL(with, perl, no, [build Perl modules (PL/Perl)])
618 AC_MSG_RESULT([$with_perl])
622 # Optionally build Python modules (PL/Python)
624 AC_MSG_CHECKING([whether to build Python modules])
625 PGAC_ARG_BOOL(with, python, no, [build Python modules (PL/Python)])
626 AC_MSG_RESULT([$with_python])
627 AC_SUBST(with_python)
632 AC_MSG_CHECKING([whether to build with GSSAPI support])
633 PGAC_ARG_BOOL(with, gssapi, no, [build with GSSAPI support],
635 AC_DEFINE(ENABLE_GSS, 1, [Define to build with GSSAPI support. (--with-gssapi)])
636 krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
638 AC_MSG_RESULT([$with_gssapi])
645 # Kerberos configuration parameters
647 PGAC_ARG_REQ(with, krb-srvnam,
648 [NAME], [default service principal name in Kerberos (GSSAPI) [postgres]],
650 [with_krb_srvnam="postgres"])
651 AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
652 [Define to the name of the default PostgreSQL service principal in Kerberos (GSSAPI). (--with-krb-srvnam=NAME)])
658 AC_MSG_CHECKING([whether to build with PAM support])
659 PGAC_ARG_BOOL(with, pam, no,
660 [build with PAM support],
661 [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
662 AC_MSG_RESULT([$with_pam])
668 AC_MSG_CHECKING([whether to build with LDAP support])
669 PGAC_ARG_BOOL(with, ldap, no,
670 [build with LDAP support],
671 [AC_DEFINE([USE_LDAP], 1, [Define to 1 to build with LDAP support. (--with-ldap)])])
672 AC_MSG_RESULT([$with_ldap])
678 AC_MSG_CHECKING([whether to build with Bonjour support])
679 PGAC_ARG_BOOL(with, bonjour, no,
680 [build with Bonjour support],
681 [AC_DEFINE([USE_BONJOUR], 1, [Define to 1 to build with Bonjour support. (--with-bonjour)])])
682 AC_MSG_RESULT([$with_bonjour])
688 AC_MSG_CHECKING([whether to build with OpenSSL support])
689 PGAC_ARG_BOOL(with, openssl, no, [build with OpenSSL support],
690 [AC_DEFINE([USE_OPENSSL], 1, [Define to build with OpenSSL support. (--with-openssl)])])
691 AC_MSG_RESULT([$with_openssl])
692 AC_SUBST(with_openssl)
697 AC_MSG_CHECKING([whether to build with SELinux support])
698 PGAC_ARG_BOOL(with, selinux, no, [build with SELinux support])
699 AC_SUBST(with_selinux)
700 AC_MSG_RESULT([$with_selinux])
705 PGAC_ARG_BOOL(with, readline, yes,
706 [do not use GNU Readline nor BSD Libedit for editing])
707 # readline on MinGW has problems with backslashes in psql and other bugs.
708 # This is particularly a problem with non-US code pages.
709 # Therefore disable its use until we understand the cause. 2004-07-20
710 if test "$PORTNAME" = "win32"; then
711 if test "$with_readline" = yes; then
712 AC_MSG_WARN([*** Readline does not work on MinGW --- disabling])
721 PGAC_ARG_BOOL(with, libedit-preferred, no,
722 [prefer BSD Libedit over GNU Readline])
728 # There are at least three UUID libraries in common use: the FreeBSD/NetBSD
729 # library, the e2fsprogs libuuid (now part of util-linux-ng), and the OSSP
730 # UUID library. More than one of these might be present on a given platform,
731 # so we make the user say which one she wants.
733 PGAC_ARG_REQ(with, uuid, [LIB], [build contrib/uuid-ossp using LIB (bsd,e2fs,ossp)])
734 if test x"$with_uuid" = x"" ; then
737 PGAC_ARG_BOOL(with, ossp-uuid, no, [obsolete spelling of --with-uuid=ossp])
738 if test "$with_ossp_uuid" = yes ; then
742 if test "$with_uuid" = bsd ; then
743 AC_DEFINE([HAVE_UUID_BSD], 1, [Define to 1 if you have BSD UUID support.])
744 UUID_EXTRA_OBJS="md5.o sha1.o"
745 elif test "$with_uuid" = e2fs ; then
746 AC_DEFINE([HAVE_UUID_E2FS], 1, [Define to 1 if you have E2FS UUID support.])
747 UUID_EXTRA_OBJS="md5.o sha1.o"
748 elif test "$with_uuid" = ossp ; then
749 AC_DEFINE([HAVE_UUID_OSSP], 1, [Define to 1 if you have OSSP UUID support.])
751 elif test "$with_uuid" = no ; then
754 AC_MSG_ERROR([--with-uuid must specify one of bsd, e2fs, or ossp])
757 AC_SUBST(UUID_EXTRA_OBJS)
763 PGAC_ARG_BOOL(with, libxml, no, [build with XML support],
764 [AC_DEFINE([USE_LIBXML], 1, [Define to 1 to build with XML support. (--with-libxml)])])
766 if test "$with_libxml" = yes ; then
767 AC_CHECK_PROGS(XML2_CONFIG, xml2-config)
768 if test -n "$XML2_CONFIG"; then
769 for pgac_option in `$XML2_CONFIG --cflags`; do
771 -I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
774 for pgac_option in `$XML2_CONFIG --libs`; do
776 -L*) LDFLAGS="$LDFLAGS $pgac_option";;
782 AC_SUBST(with_libxml)
787 PGAC_ARG_BOOL(with, libxslt, no, [use XSLT support when building contrib/xml2],
788 [AC_DEFINE([USE_LIBXSLT], 1, [Define to 1 to use XSLT support when building contrib/xml2. (--with-libxslt)])])
791 AC_SUBST(with_libxslt)
796 PGAC_ARG_REQ(with, system-tzdata,
797 [DIR], [use system time zone data in DIR])
798 AC_SUBST(with_system_tzdata)
803 PGAC_ARG_BOOL(with, zlib, yes,
811 # Assume system is ELF if it predefines __ELF__ as 1,
812 # otherwise believe host_os based default.
814 freebsd1*|freebsd2*) elf=no;;
815 freebsd3*|freebsd4*) elf=yes;;
824 [if test "X$elf" = "Xyes" ; then
835 CPPFLAGS="$CPPFLAGS $INCLUDES"
836 LDFLAGS="$LDFLAGS $LIBDIRS"
838 AC_ARG_VAR(LDFLAGS_EX, [extra linker flags for linking executables only])
839 AC_ARG_VAR(LDFLAGS_SL, [extra linker flags for linking shared libraries only])
843 AC_SUBST(with_gnu_ld)
844 case $host_os in sysv5*)
845 AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
847 pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
848 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
849 [pgac_cv_prog_ld_R=yes],
850 [pgac_cv_prog_ld_R=no])
851 LDFLAGS=$pgac_save_LDFLAGS
853 ld_R_works=$pgac_cv_prog_ld_R
858 AC_CHECK_TOOL(AR, ar, ar)
859 if test "$PORTNAME" = "win32"; then
860 AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
861 AC_CHECK_TOOL(DLLWRAP, dllwrap, dllwrap)
862 AC_CHECK_TOOL(WINDRES, windres, windres)
866 # When Autoconf chooses install-sh as install program it tries to generate
867 # a relative path to it in each makefile where it subsitutes it. This clashes
868 # with our Makefile.global concept. This workaround helps.
870 *install-sh*) install_bin='';;
871 *) install_bin=$INSTALL;;
873 AC_SUBST(install_bin)
875 AC_PATH_PROG(TAR, tar)
879 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
880 # a relative path to it in each makefile where it subsitutes it. This clashes
881 # with our Makefile.global concept. This workaround helps.
883 *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
890 if test "$with_perl" = yes; then
891 if test -z "$PERL"; then
892 AC_MSG_ERROR([Perl not found])
894 PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
895 if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
896 AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
897 You might have to rebuild your Perl installation. Refer to the
898 documentation for details. Use --without-perl to disable building
901 PGAC_CHECK_PERL_EMBED_LDFLAGS
904 if test "$with_python" = yes; then
906 PGAC_CHECK_PYTHON_EMBED_SETUP
908 # We need libpython as a shared library. With Python >=2.5, we
909 # check the Py_ENABLE_SHARED setting. On Debian, the setting is not
910 # correct before the jessie release (http://bugs.debian.org/695979).
911 # We also want to support older Python versions. So as a fallback
912 # we see if there is a file that is named like a shared library.
914 if test "$python_enable_shared" != 1; then
915 if test "$PORTNAME" = darwin; then
916 # OS X does supply a .dylib even though Py_ENABLE_SHARED does
917 # not get set. The file detection logic below doesn't succeed
918 # on older OS X versions, so make it explicit.
919 python_enable_shared=1
920 elif test "$PORTNAME" = win32; then
921 # Windows also needs an explicit override.
922 python_enable_shared=1
924 # We don't know the platform shared library extension here yet,
925 # so we try some candidates.
926 for dlsuffix in .so .sl; do
927 if ls "$python_libdir"/libpython*${dlsuffix}* >/dev/null 2>&1; then
928 python_enable_shared=1
935 if test "$python_enable_shared" != 1; then
936 AC_MSG_ERROR([cannot build PL/Python because libpython is not a shared library
937 You might have to rebuild your Python installation. Refer to the
938 documentation for details. Use --without-python to disable building
943 if test "$cross_compiling" = yes && test -z "$with_system_tzdata"; then
944 AC_PATH_PROG(ZIC, zic)
945 if test -z "$ZIC"; then
947 When cross-compiling, either use the option --with-system-tzdata to use
948 existing time-zone data, or set the environment variable ZIC to a zic
949 program to use during the build.])
956 # For each platform, we need to know about any special compile and link
957 # libraries, and whether the normal C function names are thread-safe.
958 # See the comment at the top of src/port/thread.c for more information.
959 # WIN32 doesn't need the pthread tests; it always uses threads
961 # These tests are run before the library-tests, because linking with the
962 # other libraries can pull in the pthread functions as a side-effect. We
963 # want to use the -pthread or similar flags directly, and not rely on
964 # the side-effects of linking with some other library.
966 # note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
967 # invocation below is the first one in the script, and autoconf generates
968 # additional code for that, which must not be inside the if-block. AS_IF
969 # knows how to do that.
970 AS_IF([test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"],
972 AX_PTHREAD # set thread flags
974 # Some platforms use these, so just define them. They can't hurt if they
975 # are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
976 # enables 5-arg getpwuid_r, among other things.
977 PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
979 # Check for *_r functions
982 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
983 LIBS="$LIBS $PTHREAD_LIBS"
985 AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
986 pthread.h not found; use --disable-thread-safety to disable thread safety])])
988 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
990 # Do test here with the proper thread flags
991 PGAC_FUNC_STRERROR_R_INT
997 # do not use values from template file
1002 AC_SUBST(PTHREAD_CFLAGS)
1003 AC_SUBST(PTHREAD_LIBS)
1009 ## Most libraries are included only if they demonstrably provide a function
1010 ## we need, but libm is an exception: always include it, because there are
1011 ## too many compilers that play cute optimization games that will break
1012 ## probes for standard functions such as pow().
1015 AC_CHECK_LIB(m, main)
1016 AC_SEARCH_LIBS(setproctitle, util)
1017 AC_SEARCH_LIBS(dlopen, dl)
1018 AC_SEARCH_LIBS(socket, [socket ws2_32])
1019 AC_SEARCH_LIBS(shl_load, dld)
1020 # We only use libld in port/dynloader/aix.c
1023 AC_SEARCH_LIBS(ldopen, ld)
1026 AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
1027 AC_SEARCH_LIBS(crypt, crypt)
1028 AC_SEARCH_LIBS(shm_open, rt)
1029 AC_SEARCH_LIBS(shm_unlink, rt)
1031 AC_SEARCH_LIBS(fdatasync, [rt posix4])
1032 # Required for thread_test.c on Solaris
1033 AC_SEARCH_LIBS(sched_yield, rt)
1034 # Required for thread_test.c on Solaris 2.5:
1035 # Other ports use it too (HP-UX) so test unconditionally
1036 AC_SEARCH_LIBS(gethostbyname_r, nsl)
1038 AC_SEARCH_LIBS(shmget, cygipc)
1040 if test "$with_readline" = yes; then
1042 if test x"$pgac_cv_check_readline" = x"no"; then
1043 AC_MSG_ERROR([readline library not found
1044 If you have readline already installed, see config.log for details on the
1045 failure. It is possible the compiler isn't looking in the proper directory.
1046 Use --without-readline to disable readline support.])
1050 if test "$with_zlib" = yes; then
1051 AC_CHECK_LIB(z, inflate, [],
1052 [AC_MSG_ERROR([zlib library not found
1053 If you have zlib already installed, see config.log for details on the
1054 failure. It is possible the compiler isn't looking in the proper directory.
1055 Use --without-zlib to disable zlib support.])])
1058 if test "$enable_spinlocks" = yes; then
1059 AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
1062 *** Not using spinlocks will cause poor performance.])
1065 if test "$enable_atomics" = yes; then
1066 AC_DEFINE(HAVE_ATOMICS, 1, [Define to 1 if you want to use atomics if available.])
1069 *** Not using atomic operations will cause poor performance.])
1072 if test "$with_gssapi" = yes ; then
1073 if test "$PORTNAME" != "win32"; then
1074 AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 gss 'gssapi -lkrb5 -lcrypto'], [],
1075 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
1077 LIBS="$LIBS -lgssapi32"
1081 if test "$with_openssl" = yes ; then
1083 if test "$PORTNAME" != "win32"; then
1084 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1085 AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1087 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1088 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1090 AC_CHECK_FUNCS([SSL_get_current_compression])
1093 if test "$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 OS X, 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 "$with_uuid" = ossp ; then
1152 AC_CHECK_LIB(ossp-uuid, uuid_export,
1153 [UUID_LIBS="-lossp-uuid"],
1154 [AC_CHECK_LIB(uuid, uuid_export,
1155 [UUID_LIBS="-luuid"],
1156 [AC_MSG_ERROR([library 'ossp-uuid' or 'uuid' is required for OSSP UUID])])])
1165 dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
1166 AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h pwd.h sys/ioctl.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/socket.h sys/sockio.h sys/tas.h sys/time.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
1168 # On BSD, test for net/if.h will fail unless sys/socket.h
1169 # is included first.
1170 AC_CHECK_HEADERS(net/if.h, [], [],
1171 [AC_INCLUDES_DEFAULT
1172 #ifdef HAVE_SYS_SOCKET_H
1173 #include <sys/socket.h>
1177 # On OpenBSD, test for sys/ucred.h will fail unless sys/param.h
1178 # is included first.
1179 AC_CHECK_HEADERS(sys/ucred.h, [], [],
1180 [AC_INCLUDES_DEFAULT
1181 #include <sys/param.h>
1184 # At least on IRIX, test for netinet/tcp.h will fail unless
1185 # netinet/in.h is included first.
1186 AC_CHECK_HEADERS(netinet/in.h)
1187 AC_CHECK_HEADERS(netinet/tcp.h, [], [],
1188 [AC_INCLUDES_DEFAULT
1189 #ifdef HAVE_NETINET_IN_H
1190 #include <netinet/in.h>
1194 if expr x"$pgac_cv_check_readline" : 'x-lreadline' >/dev/null ; then
1195 AC_CHECK_HEADERS(readline/readline.h, [],
1196 [AC_CHECK_HEADERS(readline.h, [],
1197 [AC_MSG_ERROR([readline 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.])])])
1201 AC_CHECK_HEADERS(readline/history.h, [],
1202 [AC_CHECK_HEADERS(history.h, [],
1203 [AC_MSG_ERROR([history header not found
1204 If you have readline already installed, see config.log for details on the
1205 failure. It is possible the compiler isn't looking in the proper directory.
1206 Use --without-readline to disable readline support.])])])
1209 if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then
1210 # Some installations of libedit usurp /usr/include/readline/, which seems
1211 # bad practice, since in combined installations readline will have its headers
1212 # there. We might have to resort to AC_EGREP checks to make sure we found
1213 # the proper header...
1214 AC_CHECK_HEADERS(editline/readline.h, [],
1215 [AC_CHECK_HEADERS(readline.h, [],
1216 [AC_CHECK_HEADERS(readline/readline.h, [],
1217 [AC_MSG_ERROR([readline header not found
1218 If you have libedit already installed, see config.log for details on the
1219 failure. It is possible the compiler isn't looking in the proper directory.
1220 Use --without-readline to disable libedit support.])])])])
1221 # Note: in a libedit installation, history.h is sometimes a dummy, and may
1222 # not be there at all. Hence, don't complain if not found. We must check
1223 # though, since in yet other versions it is an independent header.
1224 AC_CHECK_HEADERS(editline/history.h, [],
1225 [AC_CHECK_HEADERS(history.h, [],
1226 [AC_CHECK_HEADERS(readline/history.h)])])
1229 if test "$with_zlib" = yes; then
1230 AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
1231 If you have zlib already installed, see config.log for details on the
1232 failure. It is possible the compiler isn't looking in the proper directory.
1233 Use --without-zlib to disable zlib support.])])
1236 if test "$with_gssapi" = yes ; then
1237 AC_CHECK_HEADERS(gssapi/gssapi.h, [],
1238 [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
1241 if test "$with_openssl" = yes ; then
1242 AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
1243 AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
1246 if test "$with_pam" = yes ; then
1247 AC_CHECK_HEADERS(security/pam_appl.h, [],
1248 [AC_CHECK_HEADERS(pam/pam_appl.h, [],
1249 [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
1252 if test "$with_libxml" = yes ; then
1253 AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
1256 if test "$with_libxslt" = yes ; then
1257 AC_CHECK_HEADER(libxslt/xslt.h, [], [AC_MSG_ERROR([header file <libxslt/xslt.h> is required for XSLT support])])
1260 if test "$with_ldap" = yes ; then
1261 if test "$PORTNAME" != "win32"; then
1262 AC_CHECK_HEADERS(ldap.h, [],
1263 [AC_MSG_ERROR([header file <ldap.h> is required for LDAP])])
1266 AC_CHECK_HEADERS(winldap.h, [],
1267 [AC_MSG_ERROR([header file <winldap.h> is required for LDAP])],
1268 [AC_INCLUDES_DEFAULT
1269 #include <windows.h>
1274 if test "$with_bonjour" = yes ; then
1275 AC_CHECK_HEADER(dns_sd.h, [], [AC_MSG_ERROR([header file <dns_sd.h> is required for Bonjour])])
1278 # for contrib/uuid-ossp
1279 if test "$with_uuid" = bsd ; then
1280 AC_CHECK_HEADERS(uuid.h,
1281 [AC_EGREP_HEADER([uuid_to_string], uuid.h, [],
1282 [AC_MSG_ERROR([header file <uuid.h> does not match BSD UUID library])])],
1283 [AC_MSG_ERROR([header file <uuid.h> is required for BSD UUID])])
1284 elif test "$with_uuid" = e2fs ; then
1285 AC_CHECK_HEADERS(uuid/uuid.h,
1286 [AC_EGREP_HEADER([uuid_generate], uuid/uuid.h, [],
1287 [AC_MSG_ERROR([header file <uuid/uuid.h> does not match E2FS UUID library])])],
1288 [AC_CHECK_HEADERS(uuid.h,
1289 [AC_EGREP_HEADER([uuid_generate], uuid.h, [],
1290 [AC_MSG_ERROR([header file <uuid.h> does not match E2FS UUID library])])],
1291 [AC_MSG_ERROR([header file <uuid/uuid.h> or <uuid.h> is required for E2FS UUID])])])
1292 elif test "$with_uuid" = ossp ; then
1293 AC_CHECK_HEADERS(ossp/uuid.h,
1294 [AC_EGREP_HEADER([uuid_export], ossp/uuid.h, [],
1295 [AC_MSG_ERROR([header file <ossp/uuid.h> does not match OSSP UUID library])])],
1296 [AC_CHECK_HEADERS(uuid.h,
1297 [AC_EGREP_HEADER([uuid_export], uuid.h, [],
1298 [AC_MSG_ERROR([header file <uuid.h> does not match OSSP UUID library])])],
1299 [AC_MSG_ERROR([header file <ossp/uuid.h> or <uuid.h> is required for OSSP UUID])])])
1302 if test "$PORTNAME" = "win32" ; then
1303 AC_CHECK_HEADERS(crtdefs.h)
1307 ## Types, structures, compiler characteristics
1310 m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1313 PGAC_PRINTF_ARCHETYPE
1314 AC_C_FLEXIBLE_ARRAY_MEMBER
1316 PGAC_C_FUNCNAME_SUPPORT
1317 PGAC_C_STATIC_ASSERT
1318 PGAC_C_TYPES_COMPATIBLE
1319 PGAC_C_BUILTIN_BSWAP32
1320 PGAC_C_BUILTIN_BSWAP64
1321 PGAC_C_BUILTIN_CONSTANT_P
1322 PGAC_C_BUILTIN_UNREACHABLE
1324 PGAC_STRUCT_TIMEZONE
1326 PGAC_STRUCT_SOCKADDR_UN
1327 PGAC_STRUCT_SOCKADDR_STORAGE
1328 PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1329 PGAC_STRUCT_ADDRINFO
1332 AC_TYPE_LONG_LONG_INT
1336 AC_CHECK_TYPES([struct cmsgcred], [], [],
1337 [#include <sys/socket.h>
1338 #include <sys/param.h>
1339 #ifdef HAVE_SYS_UCRED_H
1340 #include <sys/ucred.h>
1343 AC_CHECK_TYPES([struct option], [], [],
1344 [#ifdef HAVE_GETOPT_H
1348 if test "$with_zlib" = yes; then
1349 # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
1350 # did not). While we could work around the lack of z_streamp, it
1351 # seems unwise to encourage people to use such old zlib versions...
1352 AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
1353 Use --without-zlib to disable zlib support.])],
1354 [#include <zlib.h>])
1357 # On PPC, check if assembler supports LWARX instruction's mutex hint bit
1360 AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
1361 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
1362 [int a = 0; int *p = &a; int r;
1363 __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
1364 [pgac_cv_have_ppc_mutex_hint=yes],
1365 [pgac_cv_have_ppc_mutex_hint=no])
1366 AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
1367 if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
1368 AC_DEFINE(HAVE_PPC_LWARX_MUTEX_HINT, 1, [Define to 1 if the assembler supports PPC's LWARX mutex hint bit.])
1373 # Check largefile support. You might think this is a system service not a
1374 # compiler characteristic, but you'd be wrong. We must check this before
1375 # probing existence of related functions such as fseeko, since the largefile
1376 # defines can affect what is generated for that.
1377 if test "$PORTNAME" != "win32"; then
1379 dnl Autoconf 2.69's AC_SYS_LARGEFILE believes it's a good idea to #define
1380 dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on OS X 10.5 that activates a
1381 dnl bug that causes readdir() to sometimes return EINVAL. On later OS X
1382 dnl versions where the feature actually works, it's on by default anyway.
1383 AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],[])
1386 # Check for largefile support (must be after AC_SYS_LARGEFILE)
1387 AC_CHECK_SIZEOF([off_t])
1389 # If we don't have largefile support, can't handle segsize >= 2GB.
1390 if test "$ac_cv_sizeof_off_t" -lt 8 -a "$segsize" != "1"; then
1391 AC_MSG_ERROR([Large file support is not enabled. Segment size cannot be larger than 1GB.])
1396 ## Functions, global variables
1399 PGAC_VAR_INT_TIMEZONE
1400 AC_FUNC_ACCEPT_ARGTYPES
1401 PGAC_FUNC_GETTIMEOFDAY_1ARG
1403 # Some versions of libedit contain strlcpy(), setproctitle(), and other
1404 # symbols that that library has no business exposing to the world. Pending
1405 # acquisition of a clue by those developers, ignore libedit (including its
1406 # possible alias of libreadline) while checking for everything else.
1407 LIBS_including_readline="$LIBS"
1408 LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1410 AC_CHECK_FUNCS([cbrt 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])
1412 AC_REPLACE_FUNCS(fseeko)
1414 # NetBSD uses a custom fseeko/ftello built on fsetpos/fgetpos
1415 # Mingw uses macros to access Win32 API calls
1417 AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 because replacement version used.])
1418 ac_cv_func_fseeko=yes;;
1423 # posix_fadvise() is a no-op on Solaris, so don't incur function overhead
1424 # by calling it, 2009-04-02
1425 # http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/posix_fadvise.c
1426 if test "$PORTNAME" != "solaris"; then
1427 AC_CHECK_FUNCS(posix_fadvise)
1428 AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
1431 AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1432 AC_CHECK_DECLS([strlcat, strlcpy])
1433 # This is probably only present on Darwin, but may as well check always
1434 AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
1437 AC_CHECK_TYPE([struct sockaddr_in6],
1438 [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
1441 [$ac_includes_default
1442 #include <netinet/in.h>])
1445 AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
1446 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
1447 [#include <machine/vmparam.h>
1448 #include <sys/exec.h>
1450 [PS_STRINGS->ps_nargvstr = 1;
1451 PS_STRINGS->ps_argvstr = "foo";])],
1452 [pgac_cv_var_PS_STRINGS=yes],
1453 [pgac_cv_var_PS_STRINGS=no])])
1454 if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1455 AC_DEFINE([HAVE_PS_STRINGS], 1, [Define to 1 if the PS_STRINGS thing exists.])
1459 # We use our snprintf.c emulation if either snprintf() or vsnprintf()
1460 # is missing. Yes, there are machines that have only one. We may
1461 # also decide to use snprintf.c if snprintf() is present but does not
1462 # have all the features we need --- see below.
1464 if test "$PORTNAME" = "win32"; then
1465 # Win32 gets snprintf.c built unconditionally.
1467 # To properly translate all NLS languages strings, we must support the
1468 # *printf() %$ format, which allows *printf() arguments to be selected
1469 # by position in the translated string.
1471 # libintl versions < 0.13 use the native *printf() functions, and Win32
1472 # *printf() doesn't understand %$, so we must use our /port versions,
1473 # which do understand %$. libintl versions >= 0.13 include their own
1474 # *printf versions on Win32. The libintl 0.13 release note text is:
1476 # C format strings with positions, as they arise when a translator
1477 # needs to reorder a sentence, are now supported on all platforms.
1478 # On those few platforms (NetBSD and Woe32) for which the native
1479 # printf()/fprintf()/... functions don't support such format
1480 # strings, replacements are provided through <libintl.h>.
1482 # We could use libintl >= 0.13's *printf() if we were sure that we had
1483 # a litint >= 0.13 at runtime, but seeing that there is no clean way
1484 # to guarantee that, it is best to just use our own, so we are sure to
1485 # get %$ support. In include/port.h we disable the *printf() macros
1486 # that might have been defined by libintl.
1488 # We do this unconditionally whether NLS is used or not so we are sure
1489 # that all Win32 libraries and binaries behave the same.
1490 pgac_need_repl_snprintf=yes
1492 pgac_need_repl_snprintf=no
1493 AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
1494 AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1498 # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
1499 # include/c.h will provide declarations. Note this is a separate test
1500 # from whether the functions exist in the C library --- there are
1501 # systems that have the functions but don't bother to declare them :-(
1503 AC_CHECK_DECLS([snprintf, vsnprintf])
1506 dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
1507 AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1508 [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1512 [return isinf(glob_double) ? 0 : 1;])],
1513 [ac_cv_func_isinf=yes],
1514 [ac_cv_func_isinf=no])])
1516 if test $ac_cv_func_isinf = yes ; then
1517 AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1520 # Look for a way to implement a substitute for isinf()
1521 AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1524 AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy])
1528 # Windows uses a specialised env handler
1529 # and doesn't need a replacement getpeereid because it doesn't use
1532 AC_DEFINE(HAVE_UNSETENV, 1, [Define to 1 because replacement version used.])
1533 AC_DEFINE(HAVE_GETPEEREID, 1, [Define to 1 because function not required.])
1534 ac_cv_func_unsetenv=yes
1535 ac_cv_func_getpeereid=yes;;
1537 AC_REPLACE_FUNCS([unsetenv getpeereid])
1541 # System's version of getaddrinfo(), if any, may be used only if we found
1542 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
1543 # We use only our own getaddrinfo.c on Windows, but it's time to revisit that.
1544 if test x"$ac_cv_type_struct_addrinfo" = xyes && \
1545 test "$PORTNAME" != "win32"; then
1546 AC_REPLACE_FUNCS([getaddrinfo])
1548 AC_LIBOBJ(getaddrinfo)
1551 # Similarly, use system's getopt_long() only if system provides struct option.
1552 if test x"$ac_cv_type_struct_option" = xyes ; then
1553 AC_REPLACE_FUNCS([getopt_long])
1555 AC_LIBOBJ(getopt_long)
1558 # Solaris' getopt() doesn't do what we want for long options, so always use
1559 # our version on that platform.
1560 if test "$PORTNAME" = "solaris"; then
1564 # mingw has adopted a GNU-centric interpretation of optind/optreset,
1565 # so always use our version on Windows.
1566 if test "$PORTNAME" = "win32"; then
1568 AC_LIBOBJ(getopt_long)
1571 # Win32 (really MinGW) support
1572 if test "$PORTNAME" = "win32"; then
1573 AC_REPLACE_FUNCS(gettimeofday)
1579 AC_LIBOBJ(win32error)
1580 AC_LIBOBJ(win32setlocale)
1581 AC_DEFINE([HAVE_SYMLINK], 1,
1582 [Define to 1 if you have the `symlink' function.])
1583 AC_CHECK_TYPES(MINIDUMP_TYPE, [pgac_minidump_type=yes], [pgac_minidump_type=no], [
1584 #define WIN32_LEAN_AND_MEAN
1585 #include <windows.h>
1587 #include <dbghelp.h>])
1589 if test x"$pgac_minidump_type" = x"yes" ; then
1590 AC_SUBST(have_win32_dbghelp,yes)
1592 AC_SUBST(have_win32_dbghelp,no)
1595 # Cygwin needs only a bit of that
1596 if test "$PORTNAME" = "cygwin"; then
1600 AC_CHECK_DECLS([sys_siglist], [], [],
1601 [#include <signal.h>
1602 /* NetBSD declares sys_siglist in unistd.h. */
1603 #ifdef HAVE_UNISTD_H
1604 # include <unistd.h>
1608 AC_CHECK_FUNC(syslog,
1609 [AC_CHECK_HEADER(syslog.h,
1610 [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1612 AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
1613 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1614 [extern int opterr; opterr = 1;])],
1615 [pgac_cv_var_int_opterr=yes],
1616 [pgac_cv_var_int_opterr=no])])
1617 if test x"$pgac_cv_var_int_opterr" = x"yes"; then
1618 AC_DEFINE(HAVE_INT_OPTERR, 1, [Define to 1 if you have the global variable 'int opterr'.])
1621 AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
1622 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
1623 [extern int optreset; optreset = 1;])],
1624 [pgac_cv_var_int_optreset=yes],
1625 [pgac_cv_var_int_optreset=no])])
1626 if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1627 AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1630 AC_CHECK_FUNCS([strtoll strtoq], [break])
1631 AC_CHECK_FUNCS([strtoull strtouq], [break])
1633 # Lastly, restore full LIBS list and check for readline/libedit symbols
1634 LIBS="$LIBS_including_readline"
1636 if test "$with_readline" = yes; then
1637 PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
1638 AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function rl_reset_screen_size])
1639 AC_CHECK_FUNCS([append_history history_truncate_file])
1643 # This test makes sure that run tests work at all. Sometimes a shared
1644 # library is found by the linker, but the runtime linker can't find it.
1645 # This check should come after all modifications of compiler or linker
1646 # variables, and before any other run tests.
1647 AC_MSG_CHECKING([test program])
1648 AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
1649 [AC_MSG_RESULT(ok)],
1650 [AC_MSG_RESULT(failed)
1652 Could not execute a simple test program. This may be a problem
1653 related to locating shared libraries. Check the file 'config.log'
1654 for the exact reason.]])],
1655 [AC_MSG_RESULT([cross-compiling])])
1657 # --------------------
1658 # Run tests below here
1659 # --------------------
1661 # Force use of our snprintf if system's doesn't do arg control
1662 # See comment above at snprintf test for details.
1663 if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
1664 PGAC_FUNC_SNPRINTF_ARG_CONTROL
1665 if test $pgac_cv_snprintf_arg_control != yes ; then
1666 pgac_need_repl_snprintf=yes
1671 dnl Check to see if we have a working 64-bit integer type.
1672 dnl This breaks down into two steps:
1673 dnl (1) figure out if the compiler has a 64-bit int type with working
1674 dnl arithmetic, and if so
1675 dnl (2) see whether snprintf() can format the type correctly. (Currently,
1676 dnl snprintf is the only library routine we really need for int8 support.)
1677 dnl It's entirely possible to have a compiler that handles a 64-bit type
1678 dnl when the C library doesn't; this is fairly likely when using gcc on
1679 dnl an older platform, for example.
1680 dnl If there is no native snprintf() or it does not handle the 64-bit type,
1681 dnl we force our own version of snprintf() to be used instead.
1682 dnl Note this test must be run after our initial check for snprintf/vsnprintf.
1684 dnl As of Postgres 8.4, we no longer support compilers without a working
1685 dnl 64-bit type. But we still handle the case of snprintf being broken.
1687 PGAC_TYPE_64BIT_INT([long int])
1689 if test x"$HAVE_LONG_INT_64" = x"yes" ; then
1690 pg_int64_type="long int"
1692 PGAC_TYPE_64BIT_INT([long long int])
1693 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1694 pg_int64_type="long long int"
1696 AC_MSG_ERROR([Cannot find a working 64-bit integer type.])
1700 AC_DEFINE_UNQUOTED(PG_INT64_TYPE, $pg_int64_type,
1701 [Define to the name of a signed 64-bit integer type.])
1703 dnl If we need to use "long long int", figure out whether nnnLL notation works.
1705 if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1706 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1707 #define INT64CONST(x) x##LL
1708 long long int foo = INT64CONST(0x1234567890123456);
1710 [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1715 # If we found "long int" is 64 bits, assume snprintf handles it. If
1716 # we found we need to use "long long int", better check. We cope with
1717 # snprintfs that use %lld, %qd, or %I64d as the format. If none of these
1718 # work, fall back to our own snprintf emulation (which we know uses %lld).
1720 if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1721 if test $pgac_need_repl_snprintf = no; then
1722 PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
1723 if test "$LONG_LONG_INT_MODIFIER" = ""; then
1724 # Force usage of our own snprintf, since system snprintf is broken
1725 pgac_need_repl_snprintf=yes
1726 LONG_LONG_INT_MODIFIER='ll'
1729 # Here if we previously decided we needed to use our own snprintf
1730 LONG_LONG_INT_MODIFIER='ll'
1733 # Here if we are not using 'long long int' at all
1734 LONG_LONG_INT_MODIFIER='l'
1737 INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
1739 AC_DEFINE_UNQUOTED(INT64_MODIFIER, $INT64_MODIFIER,
1740 [Define to the appropriate snprintf length modifier for 64-bit ints.])
1742 # Also force use of our snprintf if the system's doesn't support the %z flag.
1743 if test "$pgac_need_repl_snprintf" = no; then
1744 PGAC_FUNC_SNPRINTF_SIZE_T_SUPPORT
1745 if test "$pgac_cv_snprintf_size_t_support" != yes; then
1746 pgac_need_repl_snprintf=yes
1750 # Now we have checked all the reasons to replace snprintf
1751 if test $pgac_need_repl_snprintf = yes; then
1752 AC_DEFINE(USE_REPL_SNPRINTF, 1, [Use replacement snprintf() functions.])
1756 # Check size of void *, size_t (enables tweaks for > 32bit address space)
1757 AC_CHECK_SIZEOF([void *])
1758 AC_CHECK_SIZEOF([size_t])
1759 AC_CHECK_SIZEOF([long])
1761 # Decide whether float4 is passed by value: user-selectable, enabled by default
1762 AC_MSG_CHECKING([whether to build with float4 passed by value])
1763 PGAC_ARG_BOOL(enable, float4-byval, yes, [disable float4 passed by value],
1764 [AC_DEFINE([USE_FLOAT4_BYVAL], 1,
1765 [Define to 1 if you want float4 values to be passed by value. (--enable-float4-byval)])
1766 float4passbyval=true],
1767 [float4passbyval=false])
1768 AC_MSG_RESULT([$enable_float4_byval])
1769 AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are passed by value if 'true', by reference if 'false'])
1771 # Decide whether float8 is passed by value.
1772 # Note: this setting also controls int8 and related types such as timestamp.
1773 # If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
1774 # If not, trying to select it is an error.
1775 AC_MSG_CHECKING([whether to build with float8 passed by value])
1776 if test $ac_cv_sizeof_void_p -ge 8 ; then
1777 PGAC_ARG_BOOL(enable, float8-byval, yes, [disable float8 passed by value])
1779 PGAC_ARG_BOOL(enable, float8-byval, no, [disable float8 passed by value])
1780 if test "$enable_float8_byval" = yes ; then
1781 AC_MSG_ERROR([--enable-float8-byval is not supported on 32-bit platforms.])
1784 if test "$enable_float8_byval" = yes ; then
1785 AC_DEFINE([USE_FLOAT8_BYVAL], 1,
1786 [Define to 1 if you want float8, int8, etc values to be passed by value. (--enable-float8-byval)])
1787 float8passbyval=true
1789 float8passbyval=false
1791 AC_MSG_RESULT([$enable_float8_byval])
1792 AC_DEFINE_UNQUOTED([FLOAT8PASSBYVAL], [$float8passbyval], [float8, int8, and related values are passed by value if 'true', by reference if 'false'])
1794 # Determine memory alignment requirements for the basic C data types.
1796 AC_CHECK_ALIGNOF(short)
1797 AC_CHECK_ALIGNOF(int)
1798 AC_CHECK_ALIGNOF(long)
1799 if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1800 AC_CHECK_ALIGNOF(long long int)
1802 AC_CHECK_ALIGNOF(double)
1804 # Compute maximum alignment of any basic type.
1805 # We assume long's alignment is at least as strong as char, short, or int;
1806 # but we must check long long (if it exists) and double.
1808 MAX_ALIGNOF=$ac_cv_alignof_long
1809 if test $MAX_ALIGNOF -lt $ac_cv_alignof_double ; then
1810 MAX_ALIGNOF=$ac_cv_alignof_double
1812 if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ; then
1813 MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
1815 AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1818 # Some platforms predefine the types int8, int16, etc. Only check
1819 # a (hopefully) representative subset.
1820 AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
1821 [#include <stdio.h>])
1823 # Check for extensions offering the integer scalar type __int128.
1824 PGAC_TYPE_128BIT_INT
1826 # Check for various atomic operations now that we have checked how to declare
1828 PGAC_HAVE_GCC__SYNC_CHAR_TAS
1829 PGAC_HAVE_GCC__SYNC_INT32_TAS
1830 PGAC_HAVE_GCC__SYNC_INT32_CAS
1831 PGAC_HAVE_GCC__SYNC_INT64_CAS
1832 PGAC_HAVE_GCC__ATOMIC_INT32_CAS
1833 PGAC_HAVE_GCC__ATOMIC_INT64_CAS
1836 # Check for x86 cpuid instruction
1837 AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
1838 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
1839 [[unsigned int exx[4] = {0, 0, 0, 0};
1840 __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
1842 [pgac_cv__get_cpuid="yes"],
1843 [pgac_cv__get_cpuid="no"])])
1844 if test x"$pgac_cv__get_cpuid" = x"yes"; then
1845 AC_DEFINE(HAVE__GET_CPUID, 1, [Define to 1 if you have __get_cpuid.])
1848 AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
1849 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
1850 [[unsigned int exx[4] = {0, 0, 0, 0};
1851 __get_cpuid(exx[0], 1);
1853 [pgac_cv__cpuid="yes"],
1854 [pgac_cv__cpuid="no"])])
1855 if test x"$pgac_cv__cpuid" = x"yes"; then
1856 AC_DEFINE(HAVE__CPUID, 1, [Define to 1 if you have __cpuid.])
1859 # Check for Intel SSE 4.2 intrinsics to do CRC calculations.
1861 # First check if the _mm_crc32_u8 and _mm_crc32_u64 intrinsics can be used
1862 # with the default compiler flags. If not, check if adding the -msse4.2
1863 # flag helps. CFLAGS_SSE42 is set to -msse4.2 if that's required.
1864 PGAC_SSE42_CRC32_INTRINSICS([])
1865 if test x"$pgac_sse42_crc32_intrinsics" != x"yes"; then
1866 PGAC_SSE42_CRC32_INTRINSICS([-msse4.2])
1868 AC_SUBST(CFLAGS_SSE42)
1870 # Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
1871 # define __SSE4_2__ in that case.
1872 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1874 #error __SSE4_2__ not defined
1876 ])], [SSE4_2_TARGETED=1])
1878 # Select CRC-32C implementation.
1880 # If we are targeting a processor that has SSE 4.2 instructions, we can use the
1881 # special CRC instructions for calculating CRC-32C. If we're not targeting such
1882 # a processor, but we can nevertheless produce code that uses the SSE
1883 # intrinsics, perhaps with some extra CFLAGS, compile both implementations and
1884 # select which one to use at runtime, depending on whether SSE 4.2 is supported
1885 # by the processor we're running on.
1887 # You can override this logic by setting the appropriate USE_*_CRC32 flag to 1
1888 # in the template or configure command line.
1889 if test x"$USE_SSE42_CRC32C" = x"" && test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"" && test x"$USE_SLICING_BY_8_CRC32C" = x""; then
1890 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && test x"$SSE4_2_TARGETED" = x"1" ; then
1893 # the CPUID instruction is needed for the runtime check.
1894 if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && (test x"$pgac_cv__get_cpuid" = x"yes" || test x"$pgac_cv__cpuid" = x"yes"); then
1895 USE_SSE42_CRC32C_WITH_RUNTIME_CHECK=1
1897 # fall back to slicing-by-8 algorithm which doesn't require any special
1899 USE_SLICING_BY_8_CRC32C=1
1904 # Set PG_CRC32C_OBJS appropriately depending on the selected implementation.
1905 AC_MSG_CHECKING([which CRC-32C implementation to use])
1906 if test x"$USE_SSE42_CRC32C" = x"1"; then
1907 AC_DEFINE(USE_SSE42_CRC32C, 1, [Define to 1 use Intel SSE 4.2 CRC instructions.])
1908 PG_CRC32C_OBJS="pg_crc32c_sse42.o"
1909 AC_MSG_RESULT(SSE 4.2)
1911 if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
1912 AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
1913 PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
1914 AC_MSG_RESULT(SSE 4.2 with runtime check)
1916 AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
1917 PG_CRC32C_OBJS="pg_crc32c_sb8.o"
1918 AC_MSG_RESULT(slicing-by-8)
1921 AC_SUBST(PG_CRC32C_OBJS)
1924 # Select semaphore implementation type.
1925 if test "$PORTNAME" != "win32"; then
1926 if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1927 AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1928 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1930 if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1931 AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1932 SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
1934 AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1935 SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
1939 AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
1940 SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
1944 # Select shared-memory implementation type.
1945 if test "$PORTNAME" != "win32"; then
1946 AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1947 SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
1949 AC_DEFINE(USE_WIN32_SHARED_MEMORY, 1, [Define to select Win32-style shared memory.])
1950 SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
1953 # Select latch implementation type.
1954 if test "$PORTNAME" != "win32"; then
1955 LATCH_IMPLEMENTATION="src/backend/port/unix_latch.c"
1957 LATCH_IMPLEMENTATION="src/backend/port/win32_latch.c"
1960 # If not set in template file, set bytes to use libc memset()
1961 if test x"$MEMSET_LOOP_LIMIT" = x"" ; then
1962 MEMSET_LOOP_LIMIT=1024
1964 AC_DEFINE_UNQUOTED(MEMSET_LOOP_LIMIT, ${MEMSET_LOOP_LIMIT}, [Define bytes to use libc memset().])
1967 if test "$enable_nls" = yes ; then
1971 # Check for Tcl configuration script tclConfig.sh
1972 if test "$with_tcl" = yes; then
1973 PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1974 PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1975 [TCL_INCLUDE_SPEC,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1976 AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1977 if test "$TCL_SHARED_BUILD" != 1; then
1978 AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
1979 Use --without-tcl to disable building PL/Tcl.])
1981 # now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
1982 ac_save_CPPFLAGS=$CPPFLAGS
1983 CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
1984 AC_CHECK_HEADER(tcl.h, [], [AC_MSG_ERROR([header file <tcl.h> is required for Tcl])])
1985 CPPFLAGS=$ac_save_CPPFLAGS
1988 # check for <perl.h>
1989 if test "$with_perl" = yes; then
1990 ac_save_CPPFLAGS=$CPPFLAGS
1991 CPPFLAGS="$CPPFLAGS -I$perl_archlibexp/CORE"
1992 AC_CHECK_HEADER(perl.h, [], [AC_MSG_ERROR([header file <perl.h> is required for Perl])],
1993 [#include <EXTERN.h>])
1994 # While we're at it, check that we can link to libperl.
1995 # On most platforms, if perl.h is there then libperl.so will be too, but at
1996 # this writing Debian packages them separately. There is no known reason to
1997 # waste cycles on separate probes for the Tcl or Python libraries, though.
1998 pgac_save_LIBS=$LIBS
1999 LIBS="$perl_embed_ldflags"
2000 AC_MSG_CHECKING([for libperl])
2001 AC_LINK_IFELSE([AC_LANG_PROGRAM([
2004 ], [perl_alloc();])],
2005 [AC_MSG_RESULT(yes)],
2007 AC_MSG_ERROR([libperl library is required for Perl])])
2008 LIBS=$pgac_save_LIBS
2009 CPPFLAGS=$ac_save_CPPFLAGS
2012 # check for <Python.h>
2013 if test "$with_python" = yes; then
2014 ac_save_CPPFLAGS=$CPPFLAGS
2015 CPPFLAGS="$python_includespec $CPPFLAGS"
2016 AC_CHECK_HEADER(Python.h, [], [AC_MSG_ERROR([header file <Python.h> is required for Python])])
2017 CPPFLAGS=$ac_save_CPPFLAGS
2021 # Check for DocBook and tools
2025 PGAC_CHECK_DOCBOOK(4.2)
2026 PGAC_PATH_DOCBOOK_STYLESHEETS
2027 PGAC_PATH_COLLATEINDEX
2028 AC_CHECK_PROGS(DBTOEPUB, dbtoepub)
2029 AC_CHECK_PROGS(XMLLINT, xmllint)
2030 AC_CHECK_PROGS(XSLTPROC, xsltproc)
2031 AC_CHECK_PROGS(OSX, [osx sgml2xml sx])
2034 # Check for test tools
2036 if test "$enable_tap_tests" = yes; then
2037 AC_CHECK_PROGS(PROVE, prove)
2038 if test -z "$PROVE"; then
2039 AC_MSG_ERROR([prove not found])
2041 if test -z "$PERL"; then
2042 AC_MSG_ERROR([Perl not found])
2048 # We have to run the thread test near the end so we have all our symbols
2049 # defined. Cross compiling throws a warning.
2051 if test "$enable_thread_safety" = yes; then
2052 if test "$PORTNAME" != "win32"
2054 AC_MSG_CHECKING([thread safety of required library functions])
2058 CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
2059 LIBS="$LIBS $PTHREAD_LIBS"
2061 [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
2062 [AC_MSG_RESULT(yes)],
2064 AC_MSG_ERROR([thread test program failed
2065 This platform is not thread-safe. Check the file 'config.log' or compile
2066 and run src/test/thread/thread_test for the exact reason.
2067 Use --disable-thread-safety to disable thread safety.])],
2068 [AC_MSG_RESULT(maybe)
2070 *** Skipping thread test program because of cross-compile build.
2071 *** Run the program in src/test/thread on the target machine.
2076 AC_MSG_WARN([*** skipping thread test on Win32])
2080 # If compiler will take -Wl,--as-needed (or various platform-specific
2081 # spellings thereof) then add that to LDFLAGS. This is much easier than
2082 # trying to filter LIBS to the minimum for each executable.
2083 # On (at least) some Red-Hat-derived systems, this switch breaks linking to
2084 # libreadline; therefore we postpone testing it until we know what library
2085 # dependencies readline has. The test code will try to link with $LIBS.
2086 if test "$with_readline" = yes; then
2087 link_test_func=readline
2092 if test "$PORTNAME" = "darwin"; then
2093 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-dead_strip_dylibs], $link_test_func)
2094 elif test "$PORTNAME" = "openbsd"; then
2095 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,-Bdynamic], $link_test_func)
2097 PGAC_PROG_CC_LDFLAGS_OPT([-Wl,--as-needed], $link_test_func)
2100 # Create compiler version string
2101 if test x"$GCC" = x"yes" ; then
2102 cc_string=`${CC} --version | sed q`
2103 case $cc_string in [[A-Za-z]]*) ;; *) cc_string="GCC $cc_string";; esac
2104 elif test x"$SUN_STUDIO_CC" = x"yes" ; then
2105 cc_string=`${CC} -V 2>&1 | sed q`
2110 AC_DEFINE_UNQUOTED(PG_VERSION_STR,
2111 ["PostgreSQL $PG_VERSION on $host, compiled by $cc_string, `expr $ac_cv_sizeof_void_p \* 8`-bit"],
2112 [A string containing the version number, platform, and C compiler])
2114 # Supply a numeric version string for use by 3rd party add-ons
2115 # awk -F is a regex on some platforms, and not on others, so make "." a tab
2116 [PG_VERSION_NUM="`echo "$PACKAGE_VERSION" | sed 's/[A-Za-z].*$//' |
2118 $AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
2119 AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
2120 AC_SUBST(PG_VERSION_NUM)
2123 # Begin output steps
2125 AC_MSG_NOTICE([using compiler=$cc_string])
2126 AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
2127 AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
2128 AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
2130 # prepare build tree if outside source tree
2131 # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
2132 # Note 2: /bin/pwd might be better than shell's built-in at getting
2133 # a symlink-free name.
2134 if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
2138 if test "$no_create" != yes; then
2139 _AS_ECHO_N([preparing build tree... ])
2140 pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
2141 $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
2142 || AC_MSG_ERROR(failed)
2146 AC_SUBST(vpath_build)
2149 AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
2152 src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
2153 src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
2154 src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
2155 src/backend/port/pg_latch.c:${LATCH_IMPLEMENTATION}
2156 src/include/dynloader.h:src/backend/port/dynloader/${template}.h
2157 src/include/pg_config_os.h:src/include/port/${template}.h
2158 src/Makefile.port:src/makefiles/Makefile.${template}
2161 if test "$PORTNAME" = "win32"; then
2162 AC_CONFIG_COMMANDS([check_win32_symlinks],[
2163 # Links sometimes fail undetected on Mingw -
2164 # so here we detect it and warn the user
2165 for FILE in $CONFIG_LINKS
2167 # test -e works for symlinks in the MinGW console
2168 test -e `expr "$FILE" : '\([[^:]]*\)'` || AC_MSG_WARN([*** link for $FILE -- please fix by hand])
2173 AC_CONFIG_HEADERS([src/include/pg_config.h],
2175 # Update timestamp for pg_config.h (see Makefile.global)
2176 echo >src/include/stamp-h
2179 AC_CONFIG_HEADERS([src/include/pg_config_ext.h],
2181 # Update timestamp for pg_config_ext.h (see Makefile.global)
2182 echo >src/include/stamp-ext-h
2185 AC_CONFIG_HEADERS([src/interfaces/ecpg/include/ecpg_config.h],
2186 [echo >src/interfaces/ecpg/include/stamp-h])