Annotation of sql/pgsql/libltdl/acinclude.m4, revision 1.2

1.1       parser      1: ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
                      2: ## Copyright (C) 1996-1999, 2000 Free Software Foundation, Inc.
                      3: ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
                      4: ##
                      5: ## This program is free software; you can redistribute it and/or modify
                      6: ## it under the terms of the GNU General Public License as published by
                      7: ## the Free Software Foundation; either version 2 of the License, or
                      8: ## (at your option) any later version.
                      9: ##
                     10: ## This program is distributed in the hope that it will be useful, but
                     11: ## WITHOUT ANY WARRANTY; without even the implied warranty of
                     12: ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     13: ## General Public License for more details.
                     14: ##
                     15: ## You should have received a copy of the GNU General Public License
                     16: ## along with this program; if not, write to the Free Software
                     17: ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
                     18: ##
                     19: ## As a special exception to the GNU General Public License, if you
                     20: ## distribute this file as part of a program that contains a
                     21: ## configuration script generated by Autoconf, you may include it under
                     22: ## the same distribution terms that you use for the rest of that program.
1.2     ! paf        23: ##
        !            24: ## plus fake AC_PROG_LIBTOOL by PAF@design.ru
        !            25: 
1.1       parser     26: 
                     27: # serial 40 AC_PROG_LIBTOOL
                     28: AC_DEFUN(AC_PROG_LIBTOOL,
                     29: [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
                     30: 
1.2     ! paf        31: # Always use rootdir libtool.
        !            32: LIBTOOL=../libtool
1.1       parser     33: AC_SUBST(LIBTOOL)dnl
                     34: ])
                     35: 
                     36: AC_DEFUN(AC_LIBTOOL_SETUP,
                     37: [AC_PREREQ(2.13)dnl
                     38: AC_REQUIRE([AC_ENABLE_SHARED])dnl
                     39: AC_REQUIRE([AC_ENABLE_STATIC])dnl
                     40: AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
                     41: AC_REQUIRE([AC_CANONICAL_HOST])dnl
                     42: AC_REQUIRE([AC_CANONICAL_BUILD])dnl
                     43: AC_REQUIRE([AC_PROG_RANLIB])dnl
                     44: AC_REQUIRE([AC_PROG_CC])dnl
                     45: AC_REQUIRE([AC_PROG_LD])dnl
                     46: AC_REQUIRE([AC_PROG_NM])dnl
                     47: AC_REQUIRE([AC_PROG_LN_S])dnl
                     48: dnl
                     49: 
                     50: case "$target" in
                     51: NONE) lt_target="$host" ;;
                     52: *) lt_target="$target" ;;
                     53: esac
                     54: 
                     55: # Check for any special flags to pass to ltconfig.
                     56: libtool_flags="--cache-file=$cache_file"
                     57: test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
                     58: test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
                     59: test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
                     60: test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
                     61: test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
                     62: ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
                     63: [libtool_flags="$libtool_flags --enable-dlopen"])
                     64: ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
                     65: [libtool_flags="$libtool_flags --enable-win32-dll"])
                     66: AC_ARG_ENABLE(libtool-lock,
                     67:   [  --disable-libtool-lock  avoid locking (might break parallel builds)])
                     68: test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
                     69: test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
                     70: 
                     71: # Some flags need to be propagated to the compiler or linker for good
                     72: # libtool support.
                     73: case "$lt_target" in
                     74: *-*-irix6*)
                     75:   # Find out which ABI we are using.
                     76:   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
                     77:   if AC_TRY_EVAL(ac_compile); then
                     78:     case "`/usr/bin/file conftest.o`" in
                     79:     *32-bit*)
                     80:       LD="${LD-ld} -32"
                     81:       ;;
                     82:     *N32*)
                     83:       LD="${LD-ld} -n32"
                     84:       ;;
                     85:     *64-bit*)
                     86:       LD="${LD-ld} -64"
                     87:       ;;
                     88:     esac
                     89:   fi
                     90:   rm -rf conftest*
                     91:   ;;
                     92: 
                     93: *-*-sco3.2v5*)
                     94:   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
                     95:   SAVE_CFLAGS="$CFLAGS"
                     96:   CFLAGS="$CFLAGS -belf"
                     97:   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
                     98:     [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
                     99:   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
                    100:     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
                    101:     CFLAGS="$SAVE_CFLAGS"
                    102:   fi
                    103:   ;;
                    104: 
                    105: ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
                    106: [*-*-cygwin* | *-*-mingw*)
                    107:   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
                    108:   AC_CHECK_TOOL(AS, as, false)
                    109:   AC_CHECK_TOOL(OBJDUMP, objdump, false)
                    110:   ;;
                    111: ])
                    112: esac
                    113: ])
                    114: 
                    115: # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
                    116: AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
                    117: 
                    118: # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
                    119: AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
                    120: 
                    121: # AC_ENABLE_SHARED - implement the --enable-shared flag
                    122: # Usage: AC_ENABLE_SHARED[(DEFAULT)]
                    123: #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
                    124: #   `yes'.
                    125: AC_DEFUN(AC_ENABLE_SHARED, [dnl
                    126: define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
                    127: AC_ARG_ENABLE(shared,
                    128: changequote(<<, >>)dnl
                    129: <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
                    130: changequote([, ])dnl
                    131: [p=${PACKAGE-default}
                    132: case "$enableval" in
                    133: yes) enable_shared=yes ;;
                    134: no) enable_shared=no ;;
                    135: *)
                    136:   enable_shared=no
                    137:   # Look at the argument we got.  We use all the common list separators.
                    138:   IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
                    139:   for pkg in $enableval; do
                    140:     if test "X$pkg" = "X$p"; then
                    141:       enable_shared=yes
                    142:     fi
                    143:   done
                    144:   IFS="$ac_save_ifs"
                    145:   ;;
                    146: esac],
                    147: enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
                    148: ])
                    149: 
                    150: # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
                    151: AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
                    152: AC_ENABLE_SHARED(no)])
                    153: 
                    154: # AC_ENABLE_STATIC - implement the --enable-static flag
                    155: # Usage: AC_ENABLE_STATIC[(DEFAULT)]
                    156: #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
                    157: #   `yes'.
                    158: AC_DEFUN(AC_ENABLE_STATIC, [dnl
                    159: define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
                    160: AC_ARG_ENABLE(static,
                    161: changequote(<<, >>)dnl
                    162: <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
                    163: changequote([, ])dnl
                    164: [p=${PACKAGE-default}
                    165: case "$enableval" in
                    166: yes) enable_static=yes ;;
                    167: no) enable_static=no ;;
                    168: *)
                    169:   enable_static=no
                    170:   # Look at the argument we got.  We use all the common list separators.
                    171:   IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
                    172:   for pkg in $enableval; do
                    173:     if test "X$pkg" = "X$p"; then
                    174:       enable_static=yes
                    175:     fi
                    176:   done
                    177:   IFS="$ac_save_ifs"
                    178:   ;;
                    179: esac],
                    180: enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
                    181: ])
                    182: 
                    183: # AC_DISABLE_STATIC - set the default static flag to --disable-static
                    184: AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
                    185: AC_ENABLE_STATIC(no)])
                    186: 
                    187: 
                    188: # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
                    189: # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
                    190: #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
                    191: #   `yes'.
                    192: AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
                    193: define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
                    194: AC_ARG_ENABLE(fast-install,
                    195: changequote(<<, >>)dnl
                    196: <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
                    197: changequote([, ])dnl
                    198: [p=${PACKAGE-default}
                    199: case "$enableval" in
                    200: yes) enable_fast_install=yes ;;
                    201: no) enable_fast_install=no ;;
                    202: *)
                    203:   enable_fast_install=no
                    204:   # Look at the argument we got.  We use all the common list separators.
                    205:   IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
                    206:   for pkg in $enableval; do
                    207:     if test "X$pkg" = "X$p"; then
                    208:       enable_fast_install=yes
                    209:     fi
                    210:   done
                    211:   IFS="$ac_save_ifs"
                    212:   ;;
                    213: esac],
                    214: enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
                    215: ])
                    216: 
                    217: # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
                    218: AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
                    219: AC_ENABLE_FAST_INSTALL(no)])
                    220: 
                    221: # AC_PROG_LD - find the path to the GNU or non-GNU linker
                    222: AC_DEFUN(AC_PROG_LD,
                    223: [AC_ARG_WITH(gnu-ld,
                    224: [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
                    225: test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
                    226: AC_REQUIRE([AC_PROG_CC])dnl
                    227: AC_REQUIRE([AC_CANONICAL_HOST])dnl
                    228: AC_REQUIRE([AC_CANONICAL_BUILD])dnl
                    229: ac_prog=ld
                    230: if test "$ac_cv_prog_gcc" = yes; then
                    231:   # Check if gcc -print-prog-name=ld gives a path.
                    232:   AC_MSG_CHECKING([for ld used by GCC])
                    233:   ac_prog=`($CC -print-prog-name=ld) 2>&5`
                    234:   case "$ac_prog" in
                    235:     # Accept absolute paths.
                    236: changequote(,)dnl
                    237:     [\\/]* | [A-Za-z]:[\\/]*)
                    238:       re_direlt='/[^/][^/]*/\.\./'
                    239: changequote([,])dnl
                    240:       # Canonicalize the path of ld
                    241:       ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
                    242:       while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
                    243:        ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
                    244:       done
                    245:       test -z "$LD" && LD="$ac_prog"
                    246:       ;;
                    247:   "")
                    248:     # If it fails, then pretend we aren't using GCC.
                    249:     ac_prog=ld
                    250:     ;;
                    251:   *)
                    252:     # If it is relative, then search for the first ld in PATH.
                    253:     with_gnu_ld=unknown
                    254:     ;;
                    255:   esac
                    256: elif test "$with_gnu_ld" = yes; then
                    257:   AC_MSG_CHECKING([for GNU ld])
                    258: else
                    259:   AC_MSG_CHECKING([for non-GNU ld])
                    260: fi
                    261: AC_CACHE_VAL(ac_cv_path_LD,
                    262: [if test -z "$LD"; then
                    263:   IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
                    264:   for ac_dir in $PATH; do
                    265:     test -z "$ac_dir" && ac_dir=.
                    266:     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
                    267:       ac_cv_path_LD="$ac_dir/$ac_prog"
                    268:       # Check to see if the program is GNU ld.  I'd rather use --version,
                    269:       # but apparently some GNU ld's only accept -v.
                    270:       # Break only if it was the GNU/non-GNU ld that we prefer.
                    271:       if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
                    272:        test "$with_gnu_ld" != no && break
                    273:       else
                    274:        test "$with_gnu_ld" != yes && break
                    275:       fi
                    276:     fi
                    277:   done
                    278:   IFS="$ac_save_ifs"
                    279: else
                    280:   ac_cv_path_LD="$LD" # Let the user override the test with a path.
                    281: fi])
                    282: LD="$ac_cv_path_LD"
                    283: if test -n "$LD"; then
                    284:   AC_MSG_RESULT($LD)
                    285: else
                    286:   AC_MSG_RESULT(no)
                    287: fi
                    288: test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
                    289: AC_PROG_LD_GNU
                    290: ])
                    291: 
                    292: AC_DEFUN(AC_PROG_LD_GNU,
                    293: [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
                    294: [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
                    295: if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
                    296:   ac_cv_prog_gnu_ld=yes
                    297: else
                    298:   ac_cv_prog_gnu_ld=no
                    299: fi])
                    300: ])
                    301: 
                    302: # AC_PROG_NM - find the path to a BSD-compatible name lister
                    303: AC_DEFUN(AC_PROG_NM,
                    304: [AC_MSG_CHECKING([for BSD-compatible nm])
                    305: AC_CACHE_VAL(ac_cv_path_NM,
                    306: [if test -n "$NM"; then
                    307:   # Let the user override the test.
                    308:   ac_cv_path_NM="$NM"
                    309: else
                    310:   IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
                    311:   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
                    312:     test -z "$ac_dir" && ac_dir=.
                    313:     if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
                    314:       # Check to see if the nm accepts a BSD-compat flag.
                    315:       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
                    316:       #   nm: unknown option "B" ignored
                    317:       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
                    318:        ac_cv_path_NM="$ac_dir/nm -B"
                    319:        break
                    320:       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
                    321:        ac_cv_path_NM="$ac_dir/nm -p"
                    322:        break
                    323:       else
                    324:        ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
                    325:        continue # so that we can try to find one that supports BSD flags
                    326:       fi
                    327:     fi
                    328:   done
                    329:   IFS="$ac_save_ifs"
                    330:   test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
                    331: fi])
                    332: NM="$ac_cv_path_NM"
                    333: AC_MSG_RESULT([$NM])
                    334: ])
                    335: 
                    336: # AC_CHECK_LIBM - check for math library
                    337: AC_DEFUN(AC_CHECK_LIBM,
                    338: [AC_REQUIRE([AC_CANONICAL_HOST])dnl
                    339: LIBM=
                    340: case "$lt_target" in
                    341: *-*-beos* | *-*-cygwin*)
                    342:   # These system don't have libm
                    343:   ;;
                    344: *-ncr-sysv4.3*)
                    345:   AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
                    346:   AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
                    347:   ;;
                    348: *)
                    349:   AC_CHECK_LIB(m, main, LIBM="-lm")
                    350:   ;;
                    351: esac
                    352: ])
                    353: 
                    354: # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
                    355: # the libltdl convenience library and INCLTDL to the include flags for
                    356: # the libltdl header and adds --enable-ltdl-convenience to the
                    357: # configure arguments.  Note that LIBLTDL and INCLTDL are not
                    358: # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
                    359: # provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
                    360: # with '${top_builddir}/' and INCLTDL will be prefixed with
                    361: # '${top_srcdir}/' (note the single quotes!).  If your package is not
                    362: # flat and you're not using automake, define top_builddir and
                    363: # top_srcdir appropriately in the Makefiles.
                    364: AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
                    365:   case "$enable_ltdl_convenience" in
                    366:   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
                    367:   "") enable_ltdl_convenience=yes
                    368:       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
                    369:   esac
                    370:   LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
                    371:   INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
                    372: ])
                    373: 
                    374: # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
                    375: # the libltdl installable library and INCLTDL to the include flags for
                    376: # the libltdl header and adds --enable-ltdl-install to the configure
                    377: # arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
                    378: # AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
                    379: # libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
                    380: # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
                    381: # with '${top_srcdir}/' (note the single quotes!).  If your package is
                    382: # not flat and you're not using automake, define top_builddir and
                    383: # top_srcdir appropriately in the Makefiles.
                    384: # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
                    385: AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
                    386:   AC_CHECK_LIB(ltdl, main,
                    387:   [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
                    388:   [if test x"$enable_ltdl_install" = xno; then
                    389:      AC_MSG_WARN([libltdl not installed, but installation disabled])
                    390:    else
                    391:      enable_ltdl_install=yes
                    392:    fi
                    393:   ])
                    394:   if test x"$enable_ltdl_install" = x"yes"; then
                    395:     ac_configure_args="$ac_configure_args --enable-ltdl-install"
                    396:     LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
                    397:     INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
                    398:   else
                    399:     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
                    400:     LIBLTDL="-lltdl"
                    401:     INCLTDL=
                    402:   fi
                    403: ])
                    404: 
                    405: dnl old names
                    406: AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
                    407: AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
                    408: AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
                    409: AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
                    410: AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
                    411: AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
                    412: AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
                    413: 
                    414: dnl This is just to silence aclocal about the macro not being used
                    415: ifelse([AC_DISABLE_FAST_INSTALL])dnl

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