Annotation of pgsql/configure.in, revision 1.340

1.292     momjian     1: dnl Process this file with autoconf to produce a configure script.
1.340   ! momjian     2: dnl $PostgreSQL: pgsql-server/configure.in,v 1.339 2004/04/27 20:09:27 momjian Exp $
1.185     petere      3: dnl
1.28      petere      4: dnl Developers, please strive to achieve this order:
                      5: dnl
                      6: dnl 0. Initialization and options processing
                      7: dnl 1. Programs
                      8: dnl 2. Libraries
                      9: dnl 3. Header files
                     10: dnl 4. Types
                     11: dnl 5. Structures
                     12: dnl 6. Compiler characteristics
                     13: dnl 7. Functions, global variables
                     14: dnl 8. System services
                     15: dnl
                     16: dnl Read the Autoconf manual for details.
1.185     petere     17: dnl
                     18: m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
1.304     petere     19: 
1.302     tgl        20: AC_INIT([PostgreSQL], [7.5devel], [[email protected]])
1.171     petere     21: 
                     22: AC_PREREQ(2.53)
1.277     pgsql      23: AC_COPYRIGHT([Copyright 2003 PostgreSQL Global Development Group])
1.171     petere     24: AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
                     25: AC_CONFIG_AUX_DIR(config)
1.1       petere     26: AC_PREFIX_DEFAULT(/usr/local/pgsql)
1.171     petere     27: AC_SUBST(configure_args, [$ac_configure_args])
1.5       petere     28: 
1.171     petere     29: AC_DEFINE_UNQUOTED(PG_VERSION, "$PACKAGE_VERSION", [PostgreSQL version])
1.61      petere     30: 
1.1       petere     31: AC_CANONICAL_HOST
                     32: 
1.30      petere     33: template=
                     34: AC_MSG_CHECKING([which template to use])
                     35: 
1.42      petere     36: PGAC_ARG_REQ(with, template, [],
                     37: [
                     38:   case $withval in
1.30      petere     39:     list)   echo; ls "$srcdir/src/template"; exit;;
                     40:     *)      if test -f "$srcdir/src/template/$with_template" ; then
1.42      petere     41:               template=$withval
1.30      petere     42:             else
1.80      petere     43:               AC_MSG_ERROR(['$withval' is not a valid template name. Use 'list' for a list.])
1.30      petere     44:             fi;;
                     45:   esac
1.42      petere     46: ],
                     47: [
1.280     tgl        48: # --with-template not given
1.30      petere     49: 
                     50: case $host_os in
                     51:      aix*) template=aix ;;
1.54      momjian    52:     beos*) template=beos ;;
1.30      petere     53:     bsdi*) template=bsdi ;;
1.239     petere     54:   cygwin*) template=cygwin ;;
1.72      petere     55:   darwin*) template=darwin ;;
1.30      petere     56:     dgux*) template=dgux ;;
                     57:  freebsd*) template=freebsd ;;
                     58:     hpux*) template=hpux ;;
                     59:     irix*) template=irix5 ;;
                     60:    linux*) template=linux ;;
1.250     momjian    61:    mingw*) template=win32 ;;
1.30      petere     62:   netbsd*) template=netbsd ;;
                     63: nextstep*) template=nextstep ;;
                     64:  openbsd*) template=openbsd ;;
                     65:      osf*) template=osf ;;
                     66:      qnx*) template=qnx4 ;;
                     67:      sco*) template=sco ;;
1.58      petere     68:  solaris*) template=solaris ;;
1.30      petere     69:    sunos*) template=sunos4 ;;
1.1       petere     70:  sysv4.2*)
1.30      petere     71:         case $host_vendor in
                     72:           univel) template=univel ;;
                     73:         esac ;;
                     74:    sysv4*) template=svr4 ;;
1.133     petere     75:    sysv5*) template=unixware ;;
1.30      petere     76:   ultrix*) template=ultrix4 ;;
1.1       petere     77: esac
                     78: 
1.30      petere     79:   if test x"$template" = x"" ; then
1.80      petere     80:     AC_MSG_ERROR([[
1.30      petere     81: *******************************************************************
                     82: PostgreSQL has apparently not been ported to your platform yet.
1.32      petere     83: To try a manual configuration, look into the src/template directory
1.80      petere     84: for a similar platform and use the '--with-template=' option.
1.30      petere     85: 
                     86: Please also contact <[email protected]> to see about
1.80      petere     87: rectifying this.  Include the above 'checking host system type...'
1.30      petere     88: line.
                     89: *******************************************************************
1.80      petere     90: ]])
1.30      petere     91:   fi
                     92: 
1.42      petere     93: ])
1.1       petere     94: 
1.30      petere     95: AC_MSG_RESULT([$template])
1.1       petere     96: 
1.30      petere     97: PORTNAME=$template
                     98: AC_SUBST(PORTNAME)
1.1       petere     99: 
1.309     tgl       100: # Initialize default assumption that we do not need separate assembly code
                    101: # for TAS (test-and-set).  This can be overridden by the template file
                    102: # when it's executed.
                    103: need_tas=no
                    104: tas_file=dummy.s
1.1       petere    105: 
                    106: 
                    107: 
1.30      petere    108: ##
                    109: ## Command line options
                    110: ##
1.13      petere    111: 
1.304     petere    112: #
                    113: # Installation directory for documentation
                    114: #
                    115: PGAC_ARG(with, docdir, [  --with-docdir=DIR       install the documentation in DIR [[PREFIX/doc]]
                    116:   --without-docdir        do not install the documentation],
                    117:          [AC_MSG_ERROR([option --with-docdir requires an argument])],
                    118:          [docdir=],
                    119:          [docdir=$withval],
                    120:          [docdir='${prefix}/doc'])
                    121: AC_SUBST(docdir)
                    122: 
1.1       petere    123: 
1.30      petere    124: #
                    125: # Add non-standard directories to the include path
                    126: #
1.42      petere    127: PGAC_ARG_REQ(with, includes, [  --with-includes=DIRS    look for additional header files in DIRS])
1.1       petere    128: 
                    129: 
1.30      petere    130: #
                    131: # Add non-standard directories to the library search path
                    132: #
1.42      petere    133: PGAC_ARG_REQ(with, libraries, [  --with-libraries=DIRS   look for additional libraries in DIRS],
                    134:              [LIBRARY_DIRS=$withval])
1.1       petere    135: 
1.42      petere    136: PGAC_ARG_REQ(with, libs,      [  --with-libs=DIRS        alternative spelling of --with-libraries],
                    137:              [LIBRARY_DIRS=$withval])
1.2       petere    138: 
1.1       petere    139: 
1.29      petere    140: #
1.180     thomas    141: # 64-bit integer date/time storage (--enable-integer-datetimes)
                    142: #
                    143: AC_MSG_CHECKING([whether to build with 64-bit integer date/time support])
                    144: PGAC_ARG_BOOL(enable, integer-datetimes, no, [  --enable-integer-datetimes  enable 64-bit integer date/time support],
                    145:               [AC_DEFINE([USE_INTEGER_DATETIMES], 1,
1.242     petere    146:                          [Define to 1 if you want 64-bit integer timestamp and interval support. (--enable-integer-datetimes)])])
1.180     thomas    147: AC_MSG_RESULT([$enable_integer_datetimes])
1.1       petere    148: 
                    149: 
1.70      ishii     150: #
1.128     petere    151: # NLS
                    152: #
                    153: AC_MSG_CHECKING([whether NLS is wanted])
                    154: PGAC_ARG_OPTARG(enable, nls,
1.171     petere    155:                 [[  --enable-nls[=LANGUAGES]  enable Native Language Support]],
1.128     petere    156:                 [],
                    157:                 [WANTED_LANGUAGES=$enableval],
1.171     petere    158:                 [AC_DEFINE(ENABLE_NLS, 1,
1.242     petere    159:                            [Define to 1 if you want National Language Support. (--enable-nls)])])
1.128     petere    160: AC_MSG_RESULT([$enable_nls])
                    161: AC_SUBST(enable_nls)
                    162: AC_SUBST(WANTED_LANGUAGES)
                    163: 
                    164: #
1.29      petere    165: # Default port number (--with-pgport), default 5432
                    166: #
                    167: AC_MSG_CHECKING([for default port number])
1.42      petere    168: PGAC_ARG_REQ(with, pgport, [  --with-pgport=PORTNUM   change default port number [5432]],
                    169:              [default_port=$withval],
                    170:              [default_port=5432])
1.97      tgl       171: AC_MSG_RESULT([$default_port])
                    172: # Need both of these because some places want an integer and some a string
1.171     petere    173: AC_DEFINE_UNQUOTED(DEF_PGPORT, ${default_port},
1.242     petere    174: [Define to the default TCP port number on which the server listens and
1.280     tgl       175: to which clients will try to connect.  This can be overridden at run-time,
                    176: but it's convenient if your clients have the right default compiled in.
                    177: (--with-pgport=PORTNUM)])
1.171     petere    178: AC_DEFINE_UNQUOTED(DEF_PGPORT_STR, "${default_port}",
1.280     tgl       179:                    [Define to the default TCP port number as a string constant.])
1.97      tgl       180: AC_SUBST(default_port)
1.1       petere    181: 
1.29      petere    182: #
1.65      petere    183: # Option to disable shared libraries
                    184: #
                    185: PGAC_ARG_BOOL(enable, shared, yes,
1.68      petere    186:               [  --disable-shared        do not build shared libraries])
1.65      petere    187: AC_SUBST(enable_shared)
                    188: 
1.69      petere    189: #
                    190: # '-rpath'-like feature can be disabled
                    191: #
                    192: PGAC_ARG_BOOL(enable, rpath, yes,
                    193:               [  --disable-rpath         do not embed shared library search path in executables])
                    194: AC_SUBST(enable_rpath)
                    195: 
1.289     momjian   196: #
                    197: # Spinlocks
                    198: #
                    199: PGAC_ARG_BOOL(enable, spinlocks, yes,
1.298     petere    200:               [  --disable-spinlocks     do not use spinlocks])
1.65      petere    201: 
                    202: #
1.74      petere    203: # --enable-debug adds -g to compiler flags
                    204: #
                    205: PGAC_ARG_BOOL(enable, debug, no,
                    206:               [  --enable-debug          build with debugging symbols (-g)])
1.168     momjian   207: AC_SUBST(enable_debug)
1.74      petere    208: 
                    209: #
1.30      petere    210: # C compiler
                    211: #
                    212: 
1.29      petere    213: # For historical reasons you can also use --with-CC to specify the C compiler
                    214: # to use, although the standard way to do this is to set the CC environment
                    215: # variable.
1.42      petere    216: PGAC_ARG_REQ(with, CC, [], [CC=$with_CC])
1.4       tgl       217: 
1.171     petere    218: case $template in
                    219:   aix) pgac_cc_list="gcc xlc";;
                    220:  irix) pgac_cc_list="cc";; # no gcc
                    221:     *) pgac_cc_list="gcc cc";;
                    222: esac
1.4       tgl       223: 
1.171     petere    224: AC_PROG_CC([$pgac_cc_list])
1.280     tgl       225: 
1.300     petere    226: unset CFLAGS
1.298     petere    227: 
1.280     tgl       228: #
1.30      petere    229: # Read the template
1.280     tgl       230: #
1.30      petere    231: . "$srcdir/src/template/$template" || exit
1.74      petere    232: 
1.298     petere    233: # CFLAGS are selected so:
                    234: # If the user specifies something in the environment, that is used.
                    235: # else:  If the template file set something, that is used.
                    236: # else:  If the compiler is GCC, then we use -O2.
                    237: # else:  If the compiler is something else, then we use -0.
                    238: 
1.171     petere    239: if test "$ac_env_CFLAGS_set" = set; then
                    240:   CFLAGS=$ac_env_CFLAGS_value
1.300     petere    241: elif test "${CFLAGS+set}" = set; then
1.298     petere    242:   : # (keep what template set)
                    243: elif test "$GCC" = yes; then
                    244:   CFLAGS="-O2"
1.296     tgl       245: else
1.300     petere    246:   # if the user selected debug mode, don't use -O
                    247:   if test "$enable_debug" != yes; then
                    248:     CFLAGS="-O"
                    249:   fi
1.294     momjian   250: fi
1.298     petere    251: 
                    252: # Need to specify -fno-strict-aliasing too in case it's gcc 3.3 or later.
                    253: PGAC_PROG_CC_NO_STRICT_ALIASING
                    254: 
1.296     tgl       255: # supply -g if --enable-debug
1.300     petere    256: if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
1.74      petere    257:   CFLAGS="$CFLAGS -g"
1.296     tgl       258: fi
1.298     petere    259: 
1.171     petere    260: AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
1.285     momjian   261: 
                    262: # We already have this in Makefile.win32, but configure needs it too
1.298     petere    263: if test "$PORTNAME" = "win32"; then
1.312     momjian   264:   CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
1.285     momjian   265: fi
1.210     petere    266: 
1.30      petere    267: # Check if the compiler still works with the template settings
1.171     petere    268: AC_MSG_CHECKING([whether the C compiler still works])
                    269: AC_TRY_LINK([], [return 0;],
                    270:   [AC_MSG_RESULT(yes)],
                    271:   [AC_MSG_RESULT(no)
                    272:    AC_MSG_ERROR([cannot proceed])])
1.210     petere    273: 
1.296     tgl       274: # Defend against gcc -ffast-math
1.210     petere    275: if test "$GCC" = yes; then
                    276: AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
                    277: choke me
                    278: @%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
                    279: fi
                    280: 
1.4       tgl       281: AC_PROG_CPP
1.6       petere    282: AC_SUBST(GCC)
1.4       tgl       283: 
1.29      petere    284: # Create compiler version string
1.24      petere    285: if test x"$GCC" = x"yes" ; then
1.169     momjian   286:   cc_string="GCC `${CC} --version | sed q`"
1.4       tgl       287: else
1.24      petere    288:   cc_string=$CC
1.4       tgl       289: fi
1.242     petere    290: AC_DEFINE_UNQUOTED(PG_VERSION_STR,
                    291:                    ["PostgreSQL $PACKAGE_VERSION on $host, compiled by $cc_string"],
                    292:                    [A string containing the version number, platform, and C compiler])
1.309     tgl       293: 
                    294: 
                    295: #
                    296: # Set up TAS assembly code if needed; the template file has now had its
                    297: # chance to request this.
                    298: #
                    299: AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
                    300: 
                    301: if test "$need_tas" = yes ; then
                    302:   TAS=tas.o
                    303: else
                    304:   TAS=""
                    305: fi
                    306: AC_SUBST(TAS)
1.24      petere    307: 
1.4       tgl       308: 
1.31      petere    309: #
                    310: # Automatic dependency tracking
                    311: #
1.42      petere    312: PGAC_ARG_BOOL(enable, depend, no, [  --enable-depend         turn on automatic dependency tracking],
                    313:               [autodepend=yes])
1.31      petere    314: AC_SUBST(autodepend)
                    315: 
                    316: 
1.42      petere    317: #
                    318: # Enable assert checks
                    319: #
                    320: PGAC_ARG_BOOL(enable, cassert, no, [  --enable-cassert        enable assertion checks (for debugging)],
                    321:               [AC_DEFINE([USE_ASSERT_CHECKING], 1,
1.242     petere    322:                          [Define to 1 to build with assertion checks. (--enable-cassert)])])
1.30      petere    323: 
                    324: 
                    325: #
                    326: # Include directories
                    327: #
                    328: ac_save_IFS=$IFS
1.80      petere    329: IFS="${IFS}:"
1.30      petere    330: # SRCH_INC comes from the template file
                    331: for dir in $with_includes $SRCH_INC; do
                    332:   if test -d "$dir"; then
                    333:     INCLUDES="$INCLUDES -I$dir"
                    334:   else
                    335:     AC_MSG_WARN([*** Include directory $dir does not exist.])
                    336:   fi
                    337: done
                    338: IFS=$ac_save_IFS
                    339: AC_SUBST(INCLUDES)
                    340: 
                    341: 
                    342: #
                    343: # Library directories
                    344: #
                    345: ac_save_IFS=$IFS
1.80      petere    346: IFS="${IFS}:"
1.30      petere    347: # LIBRARY_DIRS comes from command line, SRCH_LIB from template file.
                    348: for dir in $LIBRARY_DIRS $SRCH_LIB; do
                    349:   if test -d "$dir"; then
1.68      petere    350:     LIBDIRS="$LIBDIRS -L$dir"
1.30      petere    351:   else
                    352:     AC_MSG_WARN([*** Library directory $dir does not exist.])
                    353:   fi
                    354: done
                    355: IFS=$ac_save_IFS
                    356: 
1.43      petere    357: #
1.280     tgl       358: # Enable thread-safe client libraries
1.261     momjian   359: #
1.280     tgl       360: AC_MSG_CHECKING([allow thread-safe client libraries])
                    361: PGAC_ARG_BOOL(enable, thread-safety, no, [  --enable-thread-safety  make client libraries thread-safe],
1.303     petere    362:               [AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
1.280     tgl       363:                          [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])])
1.271     momjian   364: AC_MSG_RESULT([$enable_thread_safety])
                    365: AC_SUBST(enable_thread_safety)
1.261     momjian   366: 
                    367: #
1.43      petere    368: # Tcl/Tk
                    369: #
                    370: AC_MSG_CHECKING([whether to build with Tcl])
                    371: PGAC_ARG_BOOL(with, tcl, no, [  --with-tcl              build Tcl and Tk interfaces])
                    372: AC_MSG_RESULT([$with_tcl])
                    373: AC_SUBST([with_tcl])
                    374: 
1.171     petere    375: # We see if the path to the Tcl/Tk configuration scripts is specified.
1.42      petere    376: # This will override the use of tclsh to find the paths to search.
                    377: 
1.323     pgsql     378: PGAC_ARG_REQ(with, tclconfig, [  --with-tclconfig=DIR    tclConfig.sh is in DIR])
1.125     petere    379: 
1.42      petere    380: #
1.205     petere    381: # Optionally build Perl modules (PL/Perl)
1.199     momjian   382: #
                    383: AC_MSG_CHECKING([whether to build Perl modules])
1.205     petere    384: PGAC_ARG_BOOL(with, perl, no, [  --with-perl             build Perl modules (PL/Perl)])
1.199     momjian   385: AC_MSG_RESULT([$with_perl])
                    386: AC_SUBST(with_perl)
                    387: 
                    388: #
1.283     petere    389: # Optionally build Python modules (PL/Python)
1.42      petere    390: #
                    391: AC_MSG_CHECKING([whether to build Python modules])
1.283     petere    392: PGAC_ARG_BOOL(with, python, no, [  --with-python           build Python modules (PL/Python)])
1.126     petere    393: AC_MSG_RESULT([$with_python])
1.5       petere    394: AC_SUBST(with_python)
1.13      petere    395: 
1.28      petere    396: #
                    397: # Kerberos 4
                    398: #
1.171     petere    399: AC_MSG_CHECKING([whether to build with Kerberos 4 support])
1.307     petere    400: PGAC_ARG_BOOL(with, krb4, no, [  --with-krb4             build with Kerberos 4 support],
1.42      petere    401: [
1.242     petere    402:   AC_DEFINE(KRB4, 1, [Define to build with Kerberos 4 support. (--with-krb4)])
1.42      petere    403:   krb_srvtab="/etc/srvtab"
1.307     petere    404: ])
                    405: AC_MSG_RESULT([$with_krb4])
1.42      petere    406: AC_SUBST(with_krb4)
1.13      petere    407: 
                    408: 
1.28      petere    409: #
                    410: # Kerberos 5
                    411: #
1.171     petere    412: AC_MSG_CHECKING([whether to build with Kerberos 5 support])
1.307     petere    413: PGAC_ARG_BOOL(with, krb5, no, [  --with-krb5             build with Kerberos 5 support],
1.42      petere    414: [
1.242     petere    415:   AC_DEFINE(KRB5, 1, [Define to build with Kerberos 5 support. (--with-krb5)])
1.42      petere    416:   krb_srvtab="FILE:\$(sysconfdir)/krb5.keytab"
1.307     petere    417: ])
                    418: AC_MSG_RESULT([$with_krb5])
1.42      petere    419: AC_SUBST(with_krb5)
1.28      petere    420: 
                    421: 
                    422: # Using both Kerberos 4 and Kerberos 5 at the same time isn't going to work.
                    423: if test "$with_krb4" = yes && test "$with_krb5" = yes ; then
                    424:   AC_MSG_ERROR([Kerberos 4 and Kerberos 5 support cannot be combined])
                    425: fi
1.13      petere    426: 
1.37      petere    427: AC_SUBST(krb_srvtab)
1.13      petere    428: 
                    429: 
1.28      petere    430: #
                    431: # Kerberos configuration parameters
                    432: #
1.42      petere    433: PGAC_ARG_REQ(with, krb-srvnam,
1.304     petere    434:              [  --with-krb-srvnam=NAME  name of the service principal in Kerberos [[postgres]]],
1.42      petere    435:              [],
                    436:              [with_krb_srvnam="postgres"])
                    437: AC_DEFINE_UNQUOTED([PG_KRB_SRVNAM], ["$with_krb_srvnam"],
1.242     petere    438:                    [Define to the name of the PostgreSQL service principal in Kerberos. (--with-krb-srvnam=NAME)])
1.13      petere    439: 
1.28      petere    440: 
1.136     momjian   441: #
                    442: # PAM
                    443: #
                    444: AC_MSG_CHECKING([whether to build with PAM support])
1.158     petere    445: PGAC_ARG_BOOL(with, pam, no,
                    446:               [  --with-pam              build with PAM support],
1.242     petere    447:               [AC_DEFINE([USE_PAM], 1, [Define to 1 to build with PAM support. (--with-pam)])])
1.158     petere    448: AC_MSG_RESULT([$with_pam])
1.136     momjian   449: AC_SUBST(with_pam)
                    450: 
1.28      petere    451: 
                    452: #
1.258     momjian   453: # Rendezvous
                    454: #
                    455: AC_MSG_CHECKING([whether to build with Rendezvous support])
                    456: PGAC_ARG_BOOL(with, rendezvous, no,
                    457:               [  --with-rendezvous       build with Rendezvous support],
                    458:               [AC_DEFINE([USE_RENDEZVOUS], 1, [Define to 1 to build with Rendezvous support. (--with-rendezvous)])])
                    459: AC_MSG_RESULT([$with_rendezvous])
                    460: AC_SUBST(with_rendezvous)
                    461: 
                    462: 
                    463: #
1.28      petere    464: # OpenSSL
                    465: #
1.307     petere    466: AC_MSG_CHECKING([whether to build with OpenSSL support])
                    467: PGAC_ARG_BOOL(with, openssl, no, [  --with-openssl          build with OpenSSL support],
                    468:               [AC_DEFINE([USE_SSL], 1, [Define to build with (Open)SSL support. (--with-openssl)])])
                    469: AC_MSG_RESULT([$with_openssl])
1.42      petere    470: AC_SUBST(with_openssl)
1.28      petere    471: 
1.13      petere    472: 
1.177     petere    473: #
                    474: # Readline
                    475: #
                    476: PGAC_ARG_BOOL(with, readline, yes,
                    477:               [  --without-readline      do not use Readline])
                    478: 
                    479: #
                    480: # Zlib
                    481: #
                    482: PGAC_ARG_BOOL(with, zlib, yes,
                    483:               [  --without-zlib          do not use Zlib])
1.3       momjian   484: 
1.254     momjian   485: #
                    486: # Elf
                    487: #
1.3       momjian   488: 
1.30      petere    489: # Assume system is ELF if it predefines __ELF__ as 1,
                    490: # otherwise believe host_os based default.
                    491: case $host_os in
1.127     momjian   492:     freebsd1*|freebsd2*) elf=no;;
                    493:     freebsd3*|freebsd4*) elf=yes;;
1.30      petere    494: esac
1.1       petere    495: 
                    496: AC_EGREP_CPP(yes,
                    497: [#if __ELF__
                    498:   yes
                    499: #endif
                    500: ],
1.30      petere    501: [ELF_SYS=true],
                    502: [if test "X$elf" = "Xyes" ; then
                    503:   ELF_SYS=true
1.1       petere    504: else
1.30      petere    505:   ELF_SYS=
                    506: fi])
                    507: AC_SUBST(ELF_SYS)
1.1       petere    508: 
1.254     momjian   509: #
                    510: # Assignments
                    511: #
1.1       petere    512: 
1.30      petere    513: CPPFLAGS="$CPPFLAGS $INCLUDES"
1.68      petere    514: LDFLAGS="$LDFLAGS $LIBDIRS"
1.30      petere    515: 
1.171     petere    516: AC_MSG_NOTICE([using CPPFLAGS=$CPPFLAGS])
                    517: AC_MSG_NOTICE([using LDFLAGS=$LDFLAGS])
1.30      petere    518: 
                    519: 
1.2       petere    520: AC_PROG_AWK
1.39      petere    521: PGAC_PATH_FLEX
1.1       petere    522: AC_PROG_LN_S
1.62      petere    523: AC_PROG_LD
1.67      petere    524: AC_SUBST(LD)
                    525: AC_SUBST(with_gnu_ld)
1.130     momjian   526: case $host_os in sysv5*)
1.77      petere    527:   AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
                    528:   [
                    529:     pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
                    530:     AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
                    531:     LDFLAGS=$pgac_save_LDFLAGS
                    532:   ])
                    533:   ld_R_works=$pgac_cv_prog_ld_R
                    534:   AC_SUBST(ld_R_works)
                    535: esac
1.1       petere    536: AC_PROG_RANLIB
1.58      petere    537: AC_CHECK_PROGS(LORDER, lorder)
1.56      petere    538: AC_PATH_PROG(TAR, tar)
1.176     petere    539: PGAC_CHECK_STRIP
1.98      petere    540: 
                    541: AC_CHECK_PROGS(YACC, ['bison -y'])
1.255     momjian   542: 
                    543: if test "$YACC"; then
1.257     tgl       544:   if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
1.255     momjian   545:     AC_MSG_WARN([
1.318     momjian   546: *** If you are going to modify the grammar files or build from CVS, the installed
1.317     momjian   547: *** version of Bison is too old.  Bison version 1.875 or later is required.])
1.255     momjian   548:   fi
                    549: fi
                    550: 
1.98      petere    551: if test -z "$YACC"; then
                    552:   AC_MSG_WARN([
                    553: *** Without Bison you will not be able to build PostgreSQL from CVS or
                    554: *** change any of the parser definition files.  You can obtain Bison from
                    555: *** a GNU mirror site.  (If you are using the official distribution of
                    556: *** PostgreSQL then you do not need to worry about this because the Bison
                    557: *** output is pre-generated.)  To use a different yacc program (possible,
                    558: *** but not recommended), set the environment variable YACC before running
                    559: *** 'configure'.])
                    560: fi
1.6       petere    561: AC_SUBST(YFLAGS)
1.98      petere    562: 
1.199     momjian   563: PGAC_PATH_PERL
                    564: if test "$with_perl" = yes; then
1.205     petere    565:   PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
1.199     momjian   566:   PGAC_CHECK_PERL_EMBED_LDFLAGS
1.126     petere    567: fi
                    568: 
                    569: if test "$with_python" = yes; then
                    570:   PGAC_PATH_PYTHON
                    571:   PGAC_CHECK_PYTHON_EMBED_SETUP
1.43      petere    572: fi
1.1       petere    573: 
                    574: 
1.183     tgl       575: ##
1.29      petere    576: ## Libraries
                    577: ##
                    578: 
1.1       petere    579: if test "$PORTNAME" != "aix" -a "$PORTNAME" != "alpha"
                    580: then
                    581:        AC_CHECK_LIB(bsd,      main)
                    582: fi
1.21      petere    583: AC_CHECK_LIB(util,     setproctitle)
1.1       petere    584: AC_CHECK_LIB(m,        main)
                    585: AC_CHECK_LIB(dl,       main)
1.181     momjian   586: AC_CHECK_LIB(nsl,      main)
1.1       petere    587: AC_CHECK_LIB(socket,   main)
                    588: AC_CHECK_LIB(ipc,      main)
                    589: AC_CHECK_LIB(IPC,      main)
                    590: AC_CHECK_LIB(lc,       main)
                    591: AC_CHECK_LIB(dld,      main)
                    592: AC_CHECK_LIB(ld,       main)
                    593: AC_CHECK_LIB(compat,   main)
                    594: AC_CHECK_LIB(BSD,      main)
                    595: AC_CHECK_LIB(gen,      main)
                    596: AC_CHECK_LIB(PW,       main)
1.95      petere    597: AC_CHECK_LIB(resolv,   main)
1.209     momjian   598: AC_SEARCH_LIBS(getopt_long, [getopt gnugetopt])
1.139     petere    599: # QNX:
1.223     momjian   600: AC_CHECK_LIB(unix, main)
1.21      petere    601: AC_SEARCH_LIBS(crypt,  crypt)
1.139     petere    602: # BeOS:
1.273     tgl       603: if test "$PORTNAME" = "beos"
                    604: then
                    605:        AC_CHECK_LIB(bind, __inet_ntoa)
                    606: fi
1.139     petere    607: # Solaris:
1.140     petere    608: AC_SEARCH_LIBS(fdatasync, [rt posix4])
1.206     petere    609: # Cygwin:
                    610: AC_CHECK_LIB(cygipc, shmget)
1.280     tgl       611: # WIN32:
                    612: if test "$PORTNAME" = "win32"
                    613: then
                    614:        AC_CHECK_LIB(wsock32, main)
                    615: fi
1.28      petere    616: 
1.177     petere    617: if test "$with_readline" = yes; then
                    618:   PGAC_CHECK_READLINE
                    619:   if test x"$pgac_cv_check_readline" = x"no"; then
                    620:     AC_MSG_ERROR([readline library not found
1.208     momjian   621: If you have readline already installed, see config.log for details on the
                    622: failure.  It is possible the compiler isn't looking in the proper directory.
1.177     petere    623: Use --without-readline to disable readline support.])
                    624:   fi
                    625: fi
                    626: 
                    627: if test "$with_zlib" = yes; then
                    628:   AC_CHECK_LIB(z, inflate, [],
                    629:                [AC_MSG_ERROR([zlib library not found
1.208     momjian   630: If you have zlib already installed, see config.log for details on the
                    631: failure.  It is possible the compiler isn't looking in the proper directory.
1.177     petere    632: Use --without-zlib to disable zlib support.])])
1.287     momjian   633: fi
                    634: 
1.289     momjian   635: if test "$enable_spinlocks" = yes; then
1.287     momjian   636:   AC_DEFINE(HAVE_SPINLOCKS, 1, [Define to 1 if you have spinlocks.])
                    637: else
                    638:   AC_MSG_WARN([
                    639: *** Not using spinlocks will cause poor performance.])
1.177     petere    640: fi
                    641: 
1.28      petere    642: if test "$with_krb4" = yes ; then
1.223     momjian   643:   AC_CHECK_LIB(des, des_encrypt, [], [AC_MSG_ERROR([library 'des' is required for Kerberos 4])])
                    644:   AC_CHECK_LIB(krb, krb_sendauth, [], [AC_MSG_ERROR([library 'krb' is required for Kerberos 4])])
1.250     momjian   645:   AC_REPLACE_FUNCS([gethostname])
1.28      petere    646: fi
                    647: 
                    648: if test "$with_krb5" = yes ; then
1.166     petere    649:   AC_SEARCH_LIBS(com_err, [krb5 'krb5 -ldes -lasn1 -lroken' com_err], [],
                    650:                  [AC_MSG_ERROR([could not find function 'com_err' required for Kerberos 5])])
                    651:   AC_SEARCH_LIBS(krb5_encrypt, [krb5 'krb5 -ldes -lasn1 -lroken' crypto k5crypto], [],
                    652:                  [AC_MSG_ERROR([could not find function 'krb5_encrypt' required for Kerberos 5])])
                    653:   AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -ldes -lasn1 -lroken'], [],
                    654:                  [AC_MSG_ERROR([could not find function 'krb5_sendauth' required for Kerberos 5])])
1.28      petere    655: fi
                    656: 
                    657: if test "$with_openssl" = yes ; then
                    658:   dnl Order matters!
1.223     momjian   659:   AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
                    660:   AC_CHECK_LIB(ssl,    SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1.128     petere    661: fi
                    662: 
1.136     momjian   663: if test "$with_pam" = yes ; then
1.223     momjian   664:   AC_CHECK_LIB(pam,    pam_start, [], [AC_MSG_ERROR([library 'pam' is required for PAM])])
1.136     momjian   665: fi
                    666: 
1.171     petere    667: 
1.29      petere    668: ##
                    669: ## Header files
                    670: ##
1.194     petere    671: 
1.171     petere    672: dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
1.238     tgl       673: AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h])
1.66      tgl       674: 
1.171     petere    675: # At least on IRIX, cpp test for netinet/tcp.h will fail unless
                    676: # netinet/in.h is included first.
1.223     momjian   677: AC_CHECK_HEADERS(netinet/in.h)
                    678: AC_CHECK_HEADERS(netinet/tcp.h, [], [],
1.173     petere    679: [AC_INCLUDES_DEFAULT
                    680: #ifdef HAVE_NETINET_IN_H
1.66      tgl       681: #include <netinet/in.h>
                    682: #endif
1.171     petere    683: ])
1.73      petere    684: 
1.177     petere    685: if test "$with_readline" = yes; then
1.223     momjian   686:   AC_CHECK_HEADERS(readline/readline.h, [],
1.237     momjian   687:                    [AC_CHECK_HEADERS(editline/readline.h, [],
                    688:                          [AC_CHECK_HEADERS(readline.h, [],
1.177     petere    689:                                      [AC_MSG_ERROR([readline header not found
1.208     momjian   690: If you have readline already installed, see config.log for details on the
                    691: failure.  It is possible the compiler isn't looking in the proper directory.
1.237     momjian   692: Use --without-readline to disable readline support.])])])])
1.223     momjian   693:   AC_CHECK_HEADERS(readline/history.h, [],
1.237     momjian   694:                    [AC_CHECK_HEADERS(editline/history.h, [],
                    695:                          [AC_CHECK_HEADERS(history.h, [],
1.177     petere    696:                                      [AC_MSG_ERROR([history header not found
1.208     momjian   697: If you have readline already installed, see config.log for details on the
                    698: failure.  It is possible the compiler isn't looking in the proper directory.
1.237     momjian   699: Use --without-readline to disable readline support.])])])])
1.177     petere    700: fi
                    701: 
                    702: if test "$with_zlib" = yes; then
                    703:   AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
1.232     momjian   704: If you have zlib already installed, see config.log for details on the
1.208     momjian   705: failure.  It is possible the compiler isn't looking in the proper directory.
1.177     petere    706: Use --without-zlib to disable zlib support.])])
                    707: fi
1.15      petere    708: 
1.28      petere    709: if test "$with_krb4" = yes ; then
                    710:   AC_CHECK_HEADER(krb.h, [], [AC_MSG_ERROR([header file <krb.h> is required for Kerberos 4])])
                    711: fi
                    712: 
                    713: if test "$with_krb5" = yes ; then
                    714:   AC_CHECK_HEADER(krb5.h, [], [AC_MSG_ERROR([header file <krb5.h> is required for Kerberos 5])])
                    715:   AC_CHECK_HEADER(com_err.h, [], [AC_MSG_ERROR([header file <com_err.h> is required for Kerberos 5])])
                    716: fi
                    717: 
                    718: if test "$with_openssl" = yes ; then
1.223     momjian   719:   AC_CHECK_HEADER(openssl/ssl.h, [], [AC_MSG_ERROR([header file <openssl/ssl.h> is required for OpenSSL])])
                    720:   AC_CHECK_HEADER(openssl/err.h, [], [AC_MSG_ERROR([header file <openssl/err.h> is required for OpenSSL])])
1.136     momjian   721: fi
                    722: 
                    723: if test "$with_pam" = yes ; then
1.236     momjian   724:   AC_CHECK_HEADERS(security/pam_appl.h, [],
                    725:                    [AC_CHECK_HEADERS(pam/pam_appl.h, [],
                    726:                                      [AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
1.258     momjian   727: fi
                    728: 
                    729: if test "$with_rendezvous" = yes ; then
                    730:   AC_CHECK_HEADER(DNSServiceDiscovery/DNSServiceDiscovery.h, [], [AC_MSG_ERROR([header file <DNSServiceDiscovery/DNSServiceDiscovery.h> is required for Rendezvous])])
1.28      petere    731: fi
                    732: 
1.1       petere    733: 
1.29      petere    734: ##
                    735: ## Types, structures, compiler characteristics
                    736: ##
1.194     petere    737: 
1.171     petere    738: m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
1.1       petere    739: AC_C_CONST
                    740: AC_C_INLINE
                    741: AC_C_STRINGIZE
1.40      petere    742: PGAC_C_SIGNED
1.171     petere    743: AC_C_VOLATILE
1.244     tgl       744: PGAC_C_FUNCNAME_SUPPORT
1.253     tgl       745: PGAC_STRUCT_TIMEZONE
1.29      petere    746: PGAC_UNION_SEMUN
1.44      petere    747: PGAC_STRUCT_SOCKADDR_UN
1.259     momjian   748: PGAC_STRUCT_SOCKADDR_STORAGE
1.270     tgl       749: PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
1.241     tgl       750: PGAC_STRUCT_ADDRINFO
1.166     petere    751: 
1.171     petere    752: AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
                    753: [#include <sys/param.h>
1.260     tgl       754: #include <sys/types.h>
1.171     petere    755: #include <sys/socket.h>
                    756: #include <sys/ucred.h>])
                    757: 
1.278     tgl       758: AC_CHECK_TYPES([struct option], [], [],
                    759: [#ifdef HAVE_GETOPT_H
1.279     tgl       760: #include <getopt.h>
1.278     tgl       761: #endif])
                    762: 
1.177     petere    763: if test "$with_zlib" = yes; then
                    764:   # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
                    765:   # did not).  While we could work around the lack of z_streamp, it
                    766:   # seems unwise to encourage people to use such old zlib versions...
                    767:   AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
                    768: Use --without-zlib to disable zlib support.])],
                    769:                 [#include <zlib.h>])
                    770: fi
                    771: 
1.166     petere    772: if test "$with_krb5" = yes; then
                    773: # Check for differences between MIT and Heimdal (KTH) releases
1.223     momjian   774:   AC_CHECK_MEMBERS(krb5_ticket.enc_part2, [],
1.229     momjian   775:                    [AC_CHECK_MEMBERS(krb5_ticket.client, [],
1.171     petere    776:                                      [AC_MSG_ERROR([could not determine how to get client name from Kerberos 5 ticket])],
                    777:                                      [#include <krb5.h>])],
                    778:                    [#include <krb5.h>])
1.223     momjian   779:   AC_CHECK_MEMBERS(krb5_error.text.data, [],
                    780:                    [AC_CHECK_MEMBERS(krb5_error.e_data, [],
1.205     petere    781:                                      [AC_MSG_ERROR([could not determine how to extract Kerberos 5 error messages])],
                    782:                                      [#include <krb5.h>])],
1.171     petere    783:                    [#include <krb5.h>])
1.166     petere    784: fi
                    785: 
1.1       petere    786: 
1.29      petere    787: ##
                    788: ## Functions, global variables
                    789: ##
1.194     petere    790: 
1.6       petere    791: PGAC_VAR_INT_TIMEZONE
1.29      petere    792: AC_FUNC_ACCEPT_ARGTYPES
1.6       petere    793: PGAC_FUNC_GETTIMEOFDAY_1ARG
1.1       petere    794: 
1.159     momjian   795: # SunOS doesn't handle negative byte comparisons properly with +/- return
1.194     petere    796: AC_FUNC_MEMCMP
1.159     momjian   797: 
1.245     momjian   798: AC_CHECK_FUNCS([cbrt dlopen fcvt fdatasync getpeereid memmove poll pstat setproctitle setsid sigprocmask symlink sysconf utime utimes waitpid])
1.99      tgl       799: 
1.171     petere    800: AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
1.226     momjian   801: 
1.284     tgl       802: HAVE_IPV6=no
1.240     petere    803: AC_CHECK_TYPE([struct sockaddr_in6],
                    804:               [AC_CHECK_FUNC(inet_ntop,
1.284     tgl       805:                              [AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])
                    806:                                                          HAVE_IPV6=yes])],
1.240     petere    807:               [],
1.231     petere    808: [$ac_includes_default
1.240     petere    809: #include <netinet/in.h>])
1.284     tgl       810: AC_SUBST(HAVE_IPV6)
1.1       petere    811: 
1.28      petere    812: AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
                    813: [AC_TRY_LINK(
                    814: [#include <machine/vmparam.h>
                    815: #include <sys/exec.h>
                    816: ],
1.1       petere    817: [PS_STRINGS->ps_nargvstr = 1;
                    818: PS_STRINGS->ps_argvstr = "foo";],
1.28      petere    819: [pgac_cv_var_PS_STRINGS=yes],
                    820: [pgac_cv_var_PS_STRINGS=no])])
                    821: if test "$pgac_cv_var_PS_STRINGS" = yes ; then
1.242     petere    822:   AC_DEFINE([HAVE_PS_STRINGS], [], [Define to 1 if the PS_STRINGS thing exists.])
1.28      petere    823: fi
1.1       petere    824: 
1.171     petere    825: 
                    826: # We use our snprintf.c emulation if either snprintf() or vsnprintf()
                    827: # is missing.  Yes, there are machines that have only one.  We may
                    828: # also decide to use snprintf.c if snprintf() is present but does not
                    829: # have working "long long int" support -- see below.
                    830: 
1.194     petere    831: pgac_need_repl_snprintf=no
                    832: AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
                    833: AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
1.171     petere    834: 
                    835: 
                    836: # Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
                    837: # include/c.h will provide declarations.  Note this is a separate test
                    838: # from whether the functions exist in the C library --- there are
                    839: # systems that have the functions but don't bother to declare them :-(
                    840: 
                    841: AC_CHECK_DECLS([snprintf, vsnprintf])
                    842: 
1.29      petere    843: 
                    844: # do this one the hard way in case isinf() is a macro
                    845: AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
1.1       petere    846: [AC_TRY_LINK(
1.29      petere    847: [#include <math.h>
                    848: ],
1.1       petere    849: [double x = 0.0; int res = isinf(x);],
1.29      petere    850: [ac_cv_func_isinf=yes],
                    851: [ac_cv_func_isinf=no])])
                    852: 
                    853: if test $ac_cv_func_isinf = yes ; then
1.242     petere    854:   AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have isinf().])
1.1       petere    855: else
1.194     petere    856:   AC_LIBOBJ(isinf)
1.29      petere    857:   # Look for a way to implement a substitute for isinf()
                    858:   AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
1.1       petere    859: fi
1.171     petere    860: 
1.278     tgl       861: AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul])
1.241     tgl       862: 
                    863: # system's version of getaddrinfo(), if any, may be used only if we found
                    864: # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
                    865: if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
                    866:   AC_REPLACE_FUNCS([getaddrinfo])
                    867: else
                    868:   AC_LIBOBJ(getaddrinfo)
1.278     tgl       869: fi
                    870: 
                    871: # similarly, use system's getopt_long() only if system provides struct option.
                    872: if test x"$ac_cv_type_struct_option" = xyes ; then
                    873:   AC_REPLACE_FUNCS([getopt_long])
                    874: else
                    875:   AC_LIBOBJ(getopt_long)
1.241     tgl       876: fi
1.193     momjian   877: 
1.216     momjian   878: # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
1.214     momjian   879: # We override the previous test that said fseeko/ftello didn't exist
1.216     momjian   880: # OS tests are also done in include/c.h and port/fseeko.c
                    881: case $host_os in bsdi*|netbsd*)
1.214     momjian   882: ac_cv_func_fseeko=yes
                    883: esac
                    884: 
1.222     momjian   885: # Solaris has a very slow qsort in certain cases, so we replace it.
1.243     momjian   886: case $host_os in solaris*) 
                    887: AC_LIBOBJ(qsort) ;;
                    888: esac
                    889: 
1.319     momjian   890: # Win32 support
1.251     momjian   891: case $host_os in mingw*)
1.312     momjian   892: AC_LIBOBJ(copydir)
1.310     momjian   893: AC_LIBOBJ(gettimeofday)
1.322     momjian   894: AC_LIBOBJ(open)
1.312     momjian   895: AC_LIBOBJ(pipe)
1.340   ! momjian   896: AC_LIBOBJ(rand)
        !           897: AC_DEFINE(PGTZ, 1,
        !           898:        [Define to 1 to use our own timezone library]) ;;
1.313     momjian   899: esac
                    900: 
1.319     momjian   901: # Win32 can't to rename or unlink on an open file
1.313     momjian   902: case $host_os in mingw*|cygwin*)
                    903: AC_LIBOBJ(dirmod) ;;
1.193     momjian   904: esac
1.52      petere    905: 
1.177     petere    906: if test "$with_readline" = yes; then
                    907:   PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
                    908:   AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
1.237     momjian   909:   AC_CHECK_FUNCS([replace_history_entry])
1.177     petere    910: fi
1.1       petere    911: 
                    912: 
                    913: dnl Cannot use AC_CHECK_FUNC because finite may be a macro
                    914: AC_MSG_CHECKING(for finite)
                    915: AC_TRY_LINK([#include <math.h>],
1.171     petere    916:             [int dummy=finite(1.0);],
1.242     petere    917:             [AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
1.171     petere    918: AC_MSG_RESULT(yes)],
                    919:             [AC_MSG_RESULT(no)])
1.1       petere    920: 
                    921: dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
                    922: dnl (especially on GNU libc)
1.242     petere    923: dnl See also comments in c.h.
1.1       petere    924: AC_MSG_CHECKING(for sigsetjmp)
                    925: AC_TRY_LINK([#include <setjmp.h>],
1.171     petere    926:             [sigjmp_buf x; sigsetjmp(x, 1);],
1.242     petere    927:             [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
1.171     petere    928: AC_MSG_RESULT(yes)],
                    929:             [AC_MSG_RESULT(no)])
1.1       petere    930: 
1.222     momjian   931: AC_CHECK_FUNC(syslog,
1.242     petere    932:               [AC_CHECK_HEADER(syslog.h,
                    933:                                [AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
1.1       petere    934: 
1.76      petere    935: AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
                    936: [AC_TRY_LINK([#include <unistd.h>],
                    937:   [extern int optreset; optreset = 1;],
                    938:   [pgac_cv_var_int_optreset=yes],
                    939:   [pgac_cv_var_int_optreset=no])])
                    940: if test x"$pgac_cv_var_int_optreset" = x"yes"; then
1.242     petere    941:   AC_DEFINE(HAVE_INT_OPTRESET, 1, [Define to 1 if you have the global variable 'int optreset'.])
1.76      petere    942: fi
                    943: 
1.194     petere    944: AC_CHECK_FUNCS([strtoll strtoq], [break])
                    945: AC_CHECK_FUNCS([strtoull strtouq], [break])
                    946: 
                    947: # Check for one of atexit() or on_exit()
                    948: AC_CHECK_FUNCS(atexit, [],
                    949:                [AC_CHECK_FUNCS(on_exit, [],
1.225     momjian   950:                [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
1.213     momjian   951: 
1.195     petere    952: AC_FUNC_FSEEKO
1.266     momjian   953: 
                    954: #
                    955: # Pthreads
                    956: #
                    957: # For each platform, we need to know about any special compile and link
                    958: # libraries, and whether the normal C function names are thread-safe.
1.281     momjian   959: # See the comment at the top of src/port/thread.c for more information.
1.266     momjian   960: #
1.271     momjian   961: if test "$enable_thread_safety" = yes; then
1.324     momjian   962: ACX_PTHREAD    # set thread flags
1.334     momjian   963: 
                    964: # Some platforms use these, so just defineed them.  They can't hurt if they
                    965: # are not supported.
                    966: PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
                    967: 
1.324     momjian   968: 
                    969: # At this point, we don't want to muck with the compiler name for threading.
                    970: # Let's see who fails, perhaps AIX.  2004-04-23
                    971: if test "$PTHREAD_CC" != "$CC"; then
                    972: AC_MSG_ERROR([
                    973: PostgreSQL does not support platforms that require a special
                    974: compiler binary for thread-safety.
                    975: ])
                    976: fi
1.266     momjian   977: 
1.324     momjian   978: if test "$THREAD_SUPPORT" = no; then
1.266     momjian   979: AC_MSG_ERROR([
                    980: Cannot enable threads on your platform.
1.324     momjian   981: Your platform is known to not support thread-safe programs.
                    982: For details, compile and run src/bin/pg_thread_test.
1.266     momjian   983: ])
                    984: fi
1.262     momjian   985: 
1.324     momjian   986: AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --enable-thread-safety])])
1.316     momjian   987: 
                    988: # Check for *_r functions
1.262     momjian   989: _CFLAGS="$CFLAGS"
1.275     momjian   990: _LIBS="$LIBS"
1.324     momjian   991: CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
                    992: LIBS="$LIBS $PTHREAD_LIBS"
1.288     momjian   993: AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
1.262     momjian   994: CFLAGS="$_CFLAGS"
1.275     momjian   995: LIBS="$_LIBS"
1.321     momjian   996: 
                    997: PGAC_FUNC_GETPWUID_R_5ARG
1.316     momjian   998: 
                    999: else
                   1000: # do not use values from template file
1.324     momjian  1001: PTHREAD_CFLAGS=
                   1002: PTHREAD_LIBS=
1.263     momjian  1003: fi
1.316     momjian  1004: 
1.324     momjian  1005: AC_SUBST(PTHREAD_CFLAGS)
                   1006: AC_SUBST(PTHREAD_LIBS)
1.195     petere   1007: 
1.109     petere   1008: 
                   1009: # This test makes sure that run tests work at all.  Sometimes a shared
                   1010: # library is found by the linker, but the runtime linker can't find it.
                   1011: # This check should come after all modifications of compiler or linker
                   1012: # variables, and before any other run tests.
                   1013: AC_MSG_CHECKING([test program])
                   1014: AC_TRY_RUN([int main() { return 0; }],
                   1015: [AC_MSG_RESULT(ok)],
                   1016: [AC_MSG_RESULT(failed)
                   1017: AC_MSG_ERROR([[
                   1018: *** Could not execute a simple test program.  This may be a problem
                   1019: *** related to locating shared libraries.  Check the file 'config.log'
                   1020: *** for the exact reason.]])],
                   1021: [AC_MSG_RESULT([cross-compiling])])
                   1022: 
                   1023: 
1.1       petere   1024: dnl Check to see if we have a working 64-bit integer type.
                   1025: dnl This breaks down into two steps:
                   1026: dnl (1) figure out if the compiler has a 64-bit int type with working
                   1027: dnl arithmetic, and if so
                   1028: dnl (2) see whether snprintf() can format the type correctly.  (Currently,
                   1029: dnl snprintf is the only library routine we really need for int8 support.)
                   1030: dnl It's entirely possible to have a compiler that handles a 64-bit type
                   1031: dnl when the C library doesn't; this is fairly likely when using gcc on
                   1032: dnl an older platform, for example.
                   1033: dnl If there is no native snprintf() or it does not handle the 64-bit type,
                   1034: dnl we force our own version of snprintf() to be used instead.
                   1035: dnl Note this test must be run after our initial check for snprintf/vsnprintf.
                   1036: 
1.6       petere   1037: PGAC_TYPE_64BIT_INT([long int])
1.1       petere   1038: 
1.6       petere   1039: if test x"$HAVE_LONG_INT_64" = x"no" ; then
                   1040:   PGAC_TYPE_64BIT_INT([long long int])
                   1041: fi
1.1       petere   1042: 
                   1043: 
1.112     tgl      1044: dnl If we need to use "long long int", figure out whether nnnLL notation works.
                   1045: 
1.201     momjian  1046: if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
1.112     tgl      1047:   AC_TRY_COMPILE([
                   1048: #define INT64CONST(x)  x##LL
                   1049: long long int foo = INT64CONST(0x1234567890123456);
                   1050: ],
                   1051:        [],
1.242     petere   1052:        [AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
1.112     tgl      1053:        [])
                   1054: fi
                   1055: 
                   1056: 
1.234     petere   1057: # If we found "long int" is 64 bits, assume snprintf handles it.  If
                   1058: # we found we need to use "long long int", better check.  We cope with
1.314     tgl      1059: # snprintfs that use %lld, %qd, or %I64d as the format.  If none of these
                   1060: # work, fall back to our own snprintf emulation (which we know uses %lld).
1.1       petere   1061: 
1.234     petere   1062: if test "$HAVE_LONG_LONG_INT_64" = yes ; then
1.194     petere   1063:   if test $pgac_need_repl_snprintf = no; then
1.234     petere   1064:     PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
                   1065:     if test "$LONG_LONG_INT_FORMAT" = ""; then
                   1066:       # Force usage of our own snprintf, since system snprintf is broken
                   1067:       pgac_need_repl_snprintf=yes
                   1068:       LONG_LONG_INT_FORMAT='%lld'
                   1069:     fi
1.1       petere   1070:   else
1.234     petere   1071:     # Here if we previously decided we needed to use our own snprintf
                   1072:     LONG_LONG_INT_FORMAT='%lld'
1.1       petere   1073:   fi
1.314     tgl      1074:   LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1.234     petere   1075:   INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1.314     tgl      1076:   UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1.1       petere   1077: else
                   1078:   # Here if we are not using 'long long int' at all
                   1079:   INT64_FORMAT='"%ld"'
1.314     tgl      1080:   UINT64_FORMAT='"%lu"'
1.1       petere   1081: fi
                   1082: 
1.171     petere   1083: AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1.242     petere   1084:                    [Define to the appropriate snprintf format for 64-bit ints, if any.])
1.314     tgl      1085: 
                   1086: AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
                   1087:                    [Define to the appropriate snprintf format for unsigned 64-bit ints, if any.])
1.1       petere   1088: 
1.194     petere   1089: if test $pgac_need_repl_snprintf = yes; then
                   1090:   AC_LIBOBJ(snprintf)
                   1091: fi
1.78      petere   1092: 
1.242     petere   1093: # Need a #define for the size of Datum (unsigned long)
1.171     petere   1094: AC_CHECK_SIZEOF([unsigned long])
1.84      tgl      1095: 
1.171     petere   1096: # Determine memory alignment requirements for the basic C data types.
1.1       petere   1097: 
1.6       petere   1098: PGAC_CHECK_ALIGNOF(short)
                   1099: PGAC_CHECK_ALIGNOF(int)
                   1100: PGAC_CHECK_ALIGNOF(long)
1.171     petere   1101: if test x"$HAVE_LONG_LONG_INT_64" = x"yes" ; then
1.6       petere   1102:   PGAC_CHECK_ALIGNOF(long long int)
1.1       petere   1103: fi
1.6       petere   1104: PGAC_CHECK_ALIGNOF(double)
1.1       petere   1105: 
1.171     petere   1106: # Compute maximum alignment of any basic type.
                   1107: # We assume long's alignment is at least as strong as char, short, or int;
                   1108: # but we must check long long (if it exists) and double.
                   1109: 
                   1110: MAX_ALIGNOF=$pgac_cv_alignof_long
                   1111: if test $MAX_ALIGNOF -lt $pgac_cv_alignof_double ; then
                   1112:   MAX_ALIGNOF=$pgac_cv_alignof_double
                   1113: fi
                   1114: if test x"$HAVE_LONG_LONG_INT_64" = xyes && test $MAX_ALIGNOF -lt $pgac_cv_alignof_long_long_int ; then
                   1115:   MAX_ALIGNOF="$pgac_cv_alignof_long_long_int"
1.1       petere   1116: fi
1.242     petere   1117: AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignment requirement of any C data type.])
1.1       petere   1118: 
1.155     petere   1119: 
1.152     momjian  1120: # Some platforms predefine the types int8, int16, etc.  Only check
1.171     petere   1121: # a (hopefully) representative subset.
                   1122: AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
                   1123: [#include <stdio.h>
1.155     petere   1124: #ifdef HAVE_SUPPORTDEFS_H
                   1125: #include <SupportDefs.h>
1.171     petere   1126: #endif])
1.155     petere   1127: 
1.171     petere   1128: # We also check for sig_atomic_t, which *should* be defined per ANSI
                   1129: # C, but is missing on some old platforms.
1.223     momjian  1130: AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
1.155     petere   1131: 
1.152     momjian  1132: 
1.6       petere   1133: PGAC_FUNC_POSIX_SIGNALS
1.195     petere   1134: if test $ac_cv_func_fseeko = yes; then
                   1135: AC_SYS_LARGEFILE
                   1136: fi
1.172     petere   1137: 
                   1138: 
1.184     tgl      1139: # Select semaphore implementation type.
                   1140: if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
1.242     petere   1141:   AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
1.184     tgl      1142:   SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
                   1143: else
                   1144:   if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
1.242     petere   1145:     AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
1.184     tgl      1146:     SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
                   1147:   else
1.242     petere   1148:     AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
1.184     tgl      1149:     SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
                   1150:   fi
                   1151: fi
                   1152: 
                   1153: 
                   1154: # Select shared-memory implementation type.
1.242     petere   1155: AC_DEFINE(USE_SYSV_SHARED_MEMORY, 1, [Define to select SysV-style shared memory.])
1.184     tgl      1156: SHMEM_IMPLEMENTATION="src/backend/port/sysv_shmem.c"
                   1157: 
                   1158: 
1.172     petere   1159: if test "$enable_nls" = yes ; then
                   1160:   PGAC_CHECK_GETTEXT
                   1161: fi
1.1       petere   1162: 
1.43      petere   1163: # Check for Tcl configuration script tclConfig.sh
                   1164: if test "$with_tcl" = yes; then
                   1165:     PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
1.185     petere   1166:     PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
1.235     petere   1167:                           [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
1.185     petere   1168:     AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
1.43      petere   1169: fi
1.1       petere   1170: 
1.75      petere   1171: #
                   1172: # Check for DocBook and tools
                   1173: #
                   1174: PGAC_PROG_NSGMLS
1.178     petere   1175: PGAC_PROG_JADE
1.305     petere   1176: PGAC_CHECK_DOCBOOK(4.2)
1.178     petere   1177: PGAC_PATH_DOCBOOK_STYLESHEETS
                   1178: PGAC_PATH_COLLATEINDEX
                   1179: AC_CHECK_PROGS(SGMLSPL, sgmlspl)
1.75      petere   1180: 
1.337     momjian  1181: # Thread testing
                   1182: 
                   1183: # We have to run the thread test near the end so we have all our symbols
                   1184: # defined.  Cross compiling throws a warning.
                   1185: #
                   1186: if test "$enable_thread_safety" = yes; then
                   1187: AC_MSG_CHECKING([thread safety of required library functions])
                   1188: 
                   1189: _CFLAGS="$CFLAGS"
                   1190: _LIBS="$LIBS"
                   1191: CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
                   1192: LIBS="$LIBS $PTHREAD_LIBS"
1.338     momjian  1193: AC_TRY_RUN([#include "$srcdir/src/tools/thread/thread_test.c"],
1.337     momjian  1194:   [AC_MSG_RESULT(yes)],
                   1195:   [AC_MSG_RESULT(no)
1.339     momjian  1196:   AC_MSG_ERROR([
                   1197: *** Thread test program failed.  Your platform is not thread-safe.  
                   1198: *** Check the file 'config.log'for the exact reason.])],
1.337     momjian  1199:   [AC_MSG_RESULT(maybe)
                   1200:   AC_MSG_WARN([
                   1201: *** Skipping thread test program because of cross-compile build.
                   1202: *** Run the program in src/tools/thread on the target matchine.
                   1203: ])])
                   1204: CFLAGS="$_CFLAGS"
                   1205: LIBS="$_LIBS"
                   1206: fi
1.61      petere   1207: 
1.104     petere   1208: # prepare build tree if outside source tree
1.138     petere   1209: # Note 1: test -ef might not exist, but it's more reliable than `pwd`.
                   1210: # Note 2: /bin/pwd might be better than shell's built-in at getting
                   1211: #         a symlink-free name.
1.306     petere   1212: if ( test "$srcdir" -ef . ) >/dev/null 2>&1 || test "`cd $srcdir && /bin/pwd`" = "`/bin/pwd`"; then
                   1213:   vpath_build=no
                   1214: else
                   1215:   vpath_build=yes
                   1216:   if test "$no_create" != yes; then
1.171     petere   1217:     _AS_ECHO_N([preparing build tree... ])
                   1218:     pgac_abs_top_srcdir=`cd "$srcdir" && pwd`
                   1219:     $SHELL "$ac_aux_dir/prep_buildtree" "$pgac_abs_top_srcdir" "." \
1.104     petere   1220:       || AC_MSG_ERROR(failed)
                   1221:     AC_MSG_RESULT(done)
1.171     petere   1222:   fi
1.61      petere   1223: fi
1.306     petere   1224: AC_SUBST(vpath_build)
1.1       petere   1225: 
1.171     petere   1226: 
                   1227: AC_CONFIG_FILES([GNUmakefile src/Makefile.global])
                   1228: 
                   1229: AC_CONFIG_LINKS([
                   1230:   src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
1.184     tgl      1231:   src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
                   1232:   src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
1.171     petere   1233:   src/include/dynloader.h:src/backend/port/dynloader/${template}.h
                   1234:   src/include/pg_config_os.h:src/include/port/${template}.h
                   1235:   src/Makefile.port:src/makefiles/Makefile.${template}
                   1236: ])
                   1237: 
                   1238: AC_CONFIG_HEADERS([src/include/pg_config.h],
1.85      tgl      1239: [
1.133     petere   1240: # Update timestamp for pg_config.h (see Makefile.global)
1.171     petere   1241: echo >src/include/stamp-h
1.83      petere   1242: ])
1.171     petere   1243: 
                   1244: AC_OUTPUT

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