Annotation of embedaddon/arping/aclocal.m4, revision 1.1.1.3

1.1.1.3 ! misho       1: # generated automatically by aclocal 1.16.1 -*- Autoconf -*-
        !             2: 
        !             3: # Copyright (C) 1996-2018 Free Software Foundation, Inc.
1.1       misho       4: 
                      5: # This file is free software; the Free Software Foundation
                      6: # gives unlimited permission to copy and/or distribute it,
                      7: # with or without modifications, as long as this notice is preserved.
                      8: 
                      9: # This program is distributed in the hope that it will be useful,
                     10: # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
                     11: # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
                     12: # PARTICULAR PURPOSE.
                     13: 
1.1.1.3 ! misho      14: m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
1.1       misho      15: m4_ifndef([AC_AUTOCONF_VERSION],
                     16:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
1.1.1.2   misho      17: m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
                     18: [m4_warning([this file was generated for autoconf 2.69.
1.1       misho      19: You have another version of autoconf.  It may work, but is not guaranteed to.
                     20: If you have problems, you may need to regenerate the build system entirely.
1.1.1.3 ! misho      21: To do so, use the procedure documented by the package, typically 'autoreconf'.])])
1.1       misho      22: 
1.1.1.3 ! misho      23: # Copyright (C) 2002-2018 Free Software Foundation, Inc.
1.1       misho      24: #
                     25: # This file is free software; the Free Software Foundation
                     26: # gives unlimited permission to copy and/or distribute it,
                     27: # with or without modifications, as long as this notice is preserved.
                     28: 
                     29: # AM_AUTOMAKE_VERSION(VERSION)
                     30: # ----------------------------
                     31: # Automake X.Y traces this macro to ensure aclocal.m4 has been
                     32: # generated from the m4 files accompanying Automake X.Y.
                     33: # (This private macro should not be called outside this file.)
                     34: AC_DEFUN([AM_AUTOMAKE_VERSION],
1.1.1.3 ! misho      35: [am__api_version='1.16'
1.1       misho      36: dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
                     37: dnl require some minimum version.  Point them to the right macro.
1.1.1.3 ! misho      38: m4_if([$1], [1.16.1], [],
1.1       misho      39:       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
                     40: ])
                     41: 
                     42: # _AM_AUTOCONF_VERSION(VERSION)
                     43: # -----------------------------
                     44: # aclocal traces this macro to find the Autoconf version.
                     45: # This is a private macro too.  Using m4_define simplifies
                     46: # the logic in aclocal, which can simply ignore this definition.
                     47: m4_define([_AM_AUTOCONF_VERSION], [])
                     48: 
                     49: # AM_SET_CURRENT_AUTOMAKE_VERSION
                     50: # -------------------------------
                     51: # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
1.1.1.2   misho      52: # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
1.1       misho      53: AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
1.1.1.3 ! misho      54: [AM_AUTOMAKE_VERSION([1.16.1])dnl
1.1       misho      55: m4_ifndef([AC_AUTOCONF_VERSION],
                     56:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
1.1.1.2   misho      57: _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
1.1       misho      58: 
                     59: # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
                     60: 
1.1.1.3 ! misho      61: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
1.1       misho      62: #
                     63: # This file is free software; the Free Software Foundation
                     64: # gives unlimited permission to copy and/or distribute it,
                     65: # with or without modifications, as long as this notice is preserved.
                     66: 
                     67: # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
1.1.1.3 ! misho      68: # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
        !            69: # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
1.1       misho      70: #
                     71: # Of course, Automake must honor this variable whenever it calls a
                     72: # tool from the auxiliary directory.  The problem is that $srcdir (and
                     73: # therefore $ac_aux_dir as well) can be either absolute or relative,
                     74: # depending on how configure is run.  This is pretty annoying, since
                     75: # it makes $ac_aux_dir quite unusable in subdirectories: in the top
                     76: # source directory, any form will work fine, but in subdirectories a
                     77: # relative path needs to be adjusted first.
                     78: #
                     79: # $ac_aux_dir/missing
                     80: #    fails when called from a subdirectory if $ac_aux_dir is relative
                     81: # $top_srcdir/$ac_aux_dir/missing
                     82: #    fails if $ac_aux_dir is absolute,
                     83: #    fails when called from a subdirectory in a VPATH build with
                     84: #          a relative $ac_aux_dir
                     85: #
                     86: # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
                     87: # are both prefixed by $srcdir.  In an in-source build this is usually
1.1.1.3 ! misho      88: # harmless because $srcdir is '.', but things will broke when you
1.1       misho      89: # start a VPATH build or use an absolute $srcdir.
                     90: #
                     91: # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
                     92: # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
                     93: #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
                     94: # and then we would define $MISSING as
                     95: #   MISSING="\${SHELL} $am_aux_dir/missing"
                     96: # This will work as long as MISSING is not called from configure, because
                     97: # unfortunately $(top_srcdir) has no meaning in configure.
                     98: # However there are other variables, like CC, which are often used in
                     99: # configure, and could therefore not use this "fixed" $ac_aux_dir.
                    100: #
                    101: # Another solution, used here, is to always expand $ac_aux_dir to an
                    102: # absolute PATH.  The drawback is that using absolute paths prevent a
                    103: # configured tree to be moved without reconfiguration.
                    104: 
                    105: AC_DEFUN([AM_AUX_DIR_EXPAND],
1.1.1.3 ! misho     106: [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
        !           107: # Expand $ac_aux_dir to an absolute path.
        !           108: am_aux_dir=`cd "$ac_aux_dir" && pwd`
1.1       misho     109: ])
                    110: 
                    111: # AM_CONDITIONAL                                            -*- Autoconf -*-
                    112: 
1.1.1.3 ! misho     113: # Copyright (C) 1997-2018 Free Software Foundation, Inc.
1.1       misho     114: #
                    115: # This file is free software; the Free Software Foundation
                    116: # gives unlimited permission to copy and/or distribute it,
                    117: # with or without modifications, as long as this notice is preserved.
                    118: 
                    119: # AM_CONDITIONAL(NAME, SHELL-CONDITION)
                    120: # -------------------------------------
                    121: # Define a conditional.
                    122: AC_DEFUN([AM_CONDITIONAL],
1.1.1.3 ! misho     123: [AC_PREREQ([2.52])dnl
        !           124:  m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
        !           125:        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
1.1       misho     126: AC_SUBST([$1_TRUE])dnl
                    127: AC_SUBST([$1_FALSE])dnl
                    128: _AM_SUBST_NOTMAKE([$1_TRUE])dnl
                    129: _AM_SUBST_NOTMAKE([$1_FALSE])dnl
1.1.1.2   misho     130: m4_define([_AM_COND_VALUE_$1], [$2])dnl
1.1       misho     131: if $2; then
                    132:   $1_TRUE=
                    133:   $1_FALSE='#'
                    134: else
                    135:   $1_TRUE='#'
                    136:   $1_FALSE=
                    137: fi
                    138: AC_CONFIG_COMMANDS_PRE(
                    139: [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
                    140:   AC_MSG_ERROR([[conditional "$1" was never defined.
                    141: Usually this means the macro was only invoked conditionally.]])
                    142: fi])])
                    143: 
1.1.1.3 ! misho     144: # Copyright (C) 1999-2018 Free Software Foundation, Inc.
1.1       misho     145: #
                    146: # This file is free software; the Free Software Foundation
                    147: # gives unlimited permission to copy and/or distribute it,
                    148: # with or without modifications, as long as this notice is preserved.
                    149: 
                    150: 
1.1.1.3 ! misho     151: # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
1.1       misho     152: # written in clear, in which case automake, when reading aclocal.m4,
                    153: # will think it sees a *use*, and therefore will trigger all it's
                    154: # C support machinery.  Also note that it means that autoscan, seeing
                    155: # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
                    156: 
                    157: 
                    158: # _AM_DEPENDENCIES(NAME)
                    159: # ----------------------
                    160: # See how the compiler implements dependency checking.
1.1.1.3 ! misho     161: # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
1.1       misho     162: # We try a few techniques and use that to set a single cache variable.
                    163: #
                    164: # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
                    165: # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
                    166: # dependency, and given that the user is not expected to run this macro,
                    167: # just rely on AC_PROG_CC.
                    168: AC_DEFUN([_AM_DEPENDENCIES],
                    169: [AC_REQUIRE([AM_SET_DEPDIR])dnl
                    170: AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
                    171: AC_REQUIRE([AM_MAKE_INCLUDE])dnl
                    172: AC_REQUIRE([AM_DEP_TRACK])dnl
                    173: 
1.1.1.3 ! misho     174: m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
        !           175:       [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
        !           176:       [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
        !           177:       [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
        !           178:       [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
        !           179:       [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
        !           180:                     [depcc="$$1"   am_compiler_list=])
1.1       misho     181: 
                    182: AC_CACHE_CHECK([dependency style of $depcc],
                    183:                [am_cv_$1_dependencies_compiler_type],
                    184: [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
                    185:   # We make a subdir and do the tests there.  Otherwise we can end up
                    186:   # making bogus files that we don't know about and never remove.  For
                    187:   # instance it was reported that on HP-UX the gcc test will end up
1.1.1.3 ! misho     188:   # making a dummy file named 'D' -- because '-MD' means "put the output
        !           189:   # in D".
1.1.1.2   misho     190:   rm -rf conftest.dir
1.1       misho     191:   mkdir conftest.dir
                    192:   # Copy depcomp to subdir because otherwise we won't find it if we're
                    193:   # using a relative directory.
                    194:   cp "$am_depcomp" conftest.dir
                    195:   cd conftest.dir
                    196:   # We will build objects and dependencies in a subdirectory because
                    197:   # it helps to detect inapplicable dependency modes.  For instance
                    198:   # both Tru64's cc and ICC support -MD to output dependencies as a
                    199:   # side effect of compilation, but ICC will put the dependencies in
                    200:   # the current directory while Tru64 will put them in the object
                    201:   # directory.
                    202:   mkdir sub
                    203: 
                    204:   am_cv_$1_dependencies_compiler_type=none
                    205:   if test "$am_compiler_list" = ""; then
                    206:      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
                    207:   fi
1.1.1.2   misho     208:   am__universal=false
                    209:   m4_case([$1], [CC],
                    210:     [case " $depcc " in #(
                    211:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
                    212:      esac],
                    213:     [CXX],
                    214:     [case " $depcc " in #(
                    215:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
                    216:      esac])
                    217: 
1.1       misho     218:   for depmode in $am_compiler_list; do
                    219:     # Setup a source with many dependencies, because some compilers
                    220:     # like to wrap large dependency lists on column 80 (with \), and
                    221:     # we should not choose a depcomp mode which is confused by this.
                    222:     #
                    223:     # We need to recreate these files for each test, as the compiler may
                    224:     # overwrite some of them when testing with obscure command lines.
                    225:     # This happens at least with the AIX C compiler.
                    226:     : > sub/conftest.c
                    227:     for i in 1 2 3 4 5 6; do
                    228:       echo '#include "conftst'$i'.h"' >> sub/conftest.c
1.1.1.3 ! misho     229:       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
        !           230:       # Solaris 10 /bin/sh.
        !           231:       echo '/* dummy */' > sub/conftst$i.h
1.1       misho     232:     done
                    233:     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
                    234: 
1.1.1.3 ! misho     235:     # We check with '-c' and '-o' for the sake of the "dashmstdout"
1.1.1.2   misho     236:     # mode.  It turns out that the SunPro C++ compiler does not properly
1.1.1.3 ! misho     237:     # handle '-M -o', and we need to detect this.  Also, some Intel
        !           238:     # versions had trouble with output in subdirs.
1.1.1.2   misho     239:     am__obj=sub/conftest.${OBJEXT-o}
                    240:     am__minus_obj="-o $am__obj"
1.1       misho     241:     case $depmode in
1.1.1.2   misho     242:     gcc)
                    243:       # This depmode causes a compiler race in universal mode.
                    244:       test "$am__universal" = false || continue
                    245:       ;;
1.1       misho     246:     nosideeffect)
1.1.1.3 ! misho     247:       # After this tag, mechanisms are not by side-effect, so they'll
        !           248:       # only be used when explicitly requested.
1.1       misho     249:       if test "x$enable_dependency_tracking" = xyes; then
                    250:        continue
                    251:       else
                    252:        break
                    253:       fi
                    254:       ;;
1.1.1.2   misho     255:     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
1.1.1.3 ! misho     256:       # This compiler won't grok '-c -o', but also, the minuso test has
1.1.1.2   misho     257:       # not run yet.  These depmodes are late enough in the game, and
                    258:       # so weak that their functioning should not be impacted.
                    259:       am__obj=conftest.${OBJEXT-o}
                    260:       am__minus_obj=
                    261:       ;;
1.1       misho     262:     none) break ;;
                    263:     esac
                    264:     if depmode=$depmode \
1.1.1.2   misho     265:        source=sub/conftest.c object=$am__obj \
1.1       misho     266:        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
1.1.1.2   misho     267:        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
1.1       misho     268:          >/dev/null 2>conftest.err &&
                    269:        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
                    270:        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
1.1.1.2   misho     271:        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
1.1       misho     272:        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
                    273:       # icc doesn't choke on unknown options, it will just issue warnings
                    274:       # or remarks (even with -Werror).  So we grep stderr for any message
                    275:       # that says an option was ignored or not supported.
                    276:       # When given -MP, icc 7.0 and 7.1 complain thusly:
                    277:       #   icc: Command line warning: ignoring option '-M'; no argument required
                    278:       # The diagnosis changed in icc 8.0:
                    279:       #   icc: Command line remark: option '-MP' not supported
                    280:       if (grep 'ignoring option' conftest.err ||
                    281:           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
                    282:         am_cv_$1_dependencies_compiler_type=$depmode
                    283:         break
                    284:       fi
                    285:     fi
                    286:   done
                    287: 
                    288:   cd ..
                    289:   rm -rf conftest.dir
                    290: else
                    291:   am_cv_$1_dependencies_compiler_type=none
                    292: fi
                    293: ])
                    294: AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
                    295: AM_CONDITIONAL([am__fastdep$1], [
                    296:   test "x$enable_dependency_tracking" != xno \
                    297:   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
                    298: ])
                    299: 
                    300: 
                    301: # AM_SET_DEPDIR
                    302: # -------------
                    303: # Choose a directory name for dependency files.
1.1.1.3 ! misho     304: # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
1.1       misho     305: AC_DEFUN([AM_SET_DEPDIR],
                    306: [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
                    307: AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
                    308: ])
                    309: 
                    310: 
                    311: # AM_DEP_TRACK
                    312: # ------------
                    313: AC_DEFUN([AM_DEP_TRACK],
1.1.1.3 ! misho     314: [AC_ARG_ENABLE([dependency-tracking], [dnl
        !           315: AS_HELP_STRING(
        !           316:   [--enable-dependency-tracking],
        !           317:   [do not reject slow dependency extractors])
        !           318: AS_HELP_STRING(
        !           319:   [--disable-dependency-tracking],
        !           320:   [speeds up one-time build])])
1.1       misho     321: if test "x$enable_dependency_tracking" != xno; then
                    322:   am_depcomp="$ac_aux_dir/depcomp"
                    323:   AMDEPBACKSLASH='\'
1.1.1.2   misho     324:   am__nodep='_no'
1.1       misho     325: fi
                    326: AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
                    327: AC_SUBST([AMDEPBACKSLASH])dnl
                    328: _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
1.1.1.2   misho     329: AC_SUBST([am__nodep])dnl
                    330: _AM_SUBST_NOTMAKE([am__nodep])dnl
1.1       misho     331: ])
                    332: 
                    333: # Generate code to set up dependency tracking.              -*- Autoconf -*-
                    334: 
1.1.1.3 ! misho     335: # Copyright (C) 1999-2018 Free Software Foundation, Inc.
1.1       misho     336: #
                    337: # This file is free software; the Free Software Foundation
                    338: # gives unlimited permission to copy and/or distribute it,
                    339: # with or without modifications, as long as this notice is preserved.
                    340: 
                    341: # _AM_OUTPUT_DEPENDENCY_COMMANDS
                    342: # ------------------------------
                    343: AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
1.1.1.2   misho     344: [{
1.1.1.3 ! misho     345:   # Older Autoconf quotes --file arguments for eval, but not when files
1.1.1.2   misho     346:   # are listed without --file.  Let's play safe and only enable the eval
                    347:   # if we detect the quoting.
1.1.1.3 ! misho     348:   # TODO: see whether this extra hack can be removed once we start
        !           349:   # requiring Autoconf 2.70 or later.
        !           350:   AS_CASE([$CONFIG_FILES],
        !           351:           [*\'*], [eval set x "$CONFIG_FILES"],
        !           352:           [*], [set x $CONFIG_FILES])
1.1.1.2   misho     353:   shift
1.1.1.3 ! misho     354:   # Used to flag and report bootstrapping failures.
        !           355:   am_rc=0
        !           356:   for am_mf
1.1.1.2   misho     357:   do
                    358:     # Strip MF so we end up with the name of the file.
1.1.1.3 ! misho     359:     am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
        !           360:     # Check whether this is an Automake generated Makefile which includes
        !           361:     # dependency-tracking related rules and includes.
        !           362:     # Grep'ing the whole file directly is not great: AIX grep has a line
1.1.1.2   misho     363:     # limit of 2048, but all sed's we know have understand at least 4000.
1.1.1.3 ! misho     364:     sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
        !           365:       || continue
        !           366:     am_dirpart=`AS_DIRNAME(["$am_mf"])`
        !           367:     am_filepart=`AS_BASENAME(["$am_mf"])`
        !           368:     AM_RUN_LOG([cd "$am_dirpart" \
        !           369:       && sed -e '/# am--include-marker/d' "$am_filepart" \
        !           370:         | $MAKE -f - am--depfiles]) || am_rc=$?
1.1       misho     371:   done
1.1.1.3 ! misho     372:   if test $am_rc -ne 0; then
        !           373:     AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
        !           374:     for automatic dependency tracking.  Try re-running configure with the
        !           375:     '--disable-dependency-tracking' option to at least be able to build
        !           376:     the package (albeit without support for automatic dependency tracking).])
        !           377:   fi
        !           378:   AS_UNSET([am_dirpart])
        !           379:   AS_UNSET([am_filepart])
        !           380:   AS_UNSET([am_mf])
        !           381:   AS_UNSET([am_rc])
        !           382:   rm -f conftest-deps.mk
1.1.1.2   misho     383: }
1.1       misho     384: ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
                    385: 
                    386: 
                    387: # AM_OUTPUT_DEPENDENCY_COMMANDS
                    388: # -----------------------------
                    389: # This macro should only be invoked once -- use via AC_REQUIRE.
                    390: #
1.1.1.3 ! misho     391: # This code is only required when automatic dependency tracking is enabled.
        !           392: # This creates each '.Po' and '.Plo' makefile fragment that we'll need in
        !           393: # order to bootstrap the dependency handling code.
1.1       misho     394: AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
                    395: [AC_CONFIG_COMMANDS([depfiles],
                    396:      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
1.1.1.3 ! misho     397:      [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
1.1       misho     398: 
                    399: # Do all the work for Automake.                             -*- Autoconf -*-
                    400: 
1.1.1.3 ! misho     401: # Copyright (C) 1996-2018 Free Software Foundation, Inc.
1.1       misho     402: #
                    403: # This file is free software; the Free Software Foundation
                    404: # gives unlimited permission to copy and/or distribute it,
                    405: # with or without modifications, as long as this notice is preserved.
                    406: 
                    407: # This macro actually does too much.  Some checks are only needed if
                    408: # your package does certain things.  But this isn't really a big deal.
                    409: 
1.1.1.3 ! misho     410: dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
        !           411: m4_define([AC_PROG_CC],
        !           412: m4_defn([AC_PROG_CC])
        !           413: [_AM_PROG_CC_C_O
        !           414: ])
        !           415: 
1.1       misho     416: # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
                    417: # AM_INIT_AUTOMAKE([OPTIONS])
                    418: # -----------------------------------------------
                    419: # The call with PACKAGE and VERSION arguments is the old style
                    420: # call (pre autoconf-2.50), which is being phased out.  PACKAGE
                    421: # and VERSION should now be passed to AC_INIT and removed from
                    422: # the call to AM_INIT_AUTOMAKE.
                    423: # We support both call styles for the transition.  After
                    424: # the next Automake release, Autoconf can make the AC_INIT
                    425: # arguments mandatory, and then we can depend on a new Autoconf
                    426: # release and drop the old call support.
                    427: AC_DEFUN([AM_INIT_AUTOMAKE],
1.1.1.3 ! misho     428: [AC_PREREQ([2.65])dnl
1.1       misho     429: dnl Autoconf wants to disallow AM_ names.  We explicitly allow
                    430: dnl the ones we care about.
                    431: m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
                    432: AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
                    433: AC_REQUIRE([AC_PROG_INSTALL])dnl
                    434: if test "`cd $srcdir && pwd`" != "`pwd`"; then
                    435:   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
                    436:   # is not polluted with repeated "-I."
                    437:   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
                    438:   # test to see if srcdir already configured
                    439:   if test -f $srcdir/config.status; then
                    440:     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
                    441:   fi
                    442: fi
                    443: 
                    444: # test whether we have cygpath
                    445: if test -z "$CYGPATH_W"; then
                    446:   if (cygpath --version) >/dev/null 2>/dev/null; then
                    447:     CYGPATH_W='cygpath -w'
                    448:   else
                    449:     CYGPATH_W=echo
                    450:   fi
                    451: fi
                    452: AC_SUBST([CYGPATH_W])
                    453: 
                    454: # Define the identity of the package.
                    455: dnl Distinguish between old-style and new-style calls.
                    456: m4_ifval([$2],
1.1.1.3 ! misho     457: [AC_DIAGNOSE([obsolete],
        !           458:              [$0: two- and three-arguments forms are deprecated.])
        !           459: m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
1.1       misho     460:  AC_SUBST([PACKAGE], [$1])dnl
                    461:  AC_SUBST([VERSION], [$2])],
                    462: [_AM_SET_OPTIONS([$1])dnl
                    463: dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
1.1.1.3 ! misho     464: m4_if(
        !           465:   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
        !           466:   [ok:ok],,
1.1       misho     467:   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
                    468:  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
                    469:  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
                    470: 
                    471: _AM_IF_OPTION([no-define],,
1.1.1.3 ! misho     472: [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
        !           473:  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
1.1       misho     474: 
                    475: # Some tools Automake needs.
                    476: AC_REQUIRE([AM_SANITY_CHECK])dnl
                    477: AC_REQUIRE([AC_ARG_PROGRAM])dnl
1.1.1.3 ! misho     478: AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
        !           479: AM_MISSING_PROG([AUTOCONF], [autoconf])
        !           480: AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
        !           481: AM_MISSING_PROG([AUTOHEADER], [autoheader])
        !           482: AM_MISSING_PROG([MAKEINFO], [makeinfo])
1.1.1.2   misho     483: AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
                    484: AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
1.1.1.3 ! misho     485: AC_REQUIRE([AC_PROG_MKDIR_P])dnl
        !           486: # For better backward compatibility.  To be removed once Automake 1.9.x
        !           487: # dies out for good.  For more background, see:
        !           488: # <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
        !           489: # <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
        !           490: AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
        !           491: # We need awk for the "check" target (and possibly the TAP driver).  The
        !           492: # system "awk" is bad on some platforms.
1.1       misho     493: AC_REQUIRE([AC_PROG_AWK])dnl
                    494: AC_REQUIRE([AC_PROG_MAKE_SET])dnl
                    495: AC_REQUIRE([AM_SET_LEADING_DOT])dnl
                    496: _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
1.1.1.2   misho     497:              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
                    498:                             [_AM_PROG_TAR([v7])])])
1.1       misho     499: _AM_IF_OPTION([no-dependencies],,
                    500: [AC_PROVIDE_IFELSE([AC_PROG_CC],
1.1.1.3 ! misho     501:                  [_AM_DEPENDENCIES([CC])],
        !           502:                  [m4_define([AC_PROG_CC],
        !           503:                             m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
1.1       misho     504: AC_PROVIDE_IFELSE([AC_PROG_CXX],
1.1.1.3 ! misho     505:                  [_AM_DEPENDENCIES([CXX])],
        !           506:                  [m4_define([AC_PROG_CXX],
        !           507:                             m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
1.1       misho     508: AC_PROVIDE_IFELSE([AC_PROG_OBJC],
1.1.1.3 ! misho     509:                  [_AM_DEPENDENCIES([OBJC])],
        !           510:                  [m4_define([AC_PROG_OBJC],
        !           511:                             m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
        !           512: AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
        !           513:                  [_AM_DEPENDENCIES([OBJCXX])],
        !           514:                  [m4_define([AC_PROG_OBJCXX],
        !           515:                             m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
        !           516: ])
        !           517: AC_REQUIRE([AM_SILENT_RULES])dnl
        !           518: dnl The testsuite driver may need to know about EXEEXT, so add the
        !           519: dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
        !           520: dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
1.1.1.2   misho     521: AC_CONFIG_COMMANDS_PRE(dnl
                    522: [m4_provide_if([_AM_COMPILER_EXEEXT],
                    523:   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
1.1.1.3 ! misho     524: 
        !           525: # POSIX will say in a future version that running "rm -f" with no argument
        !           526: # is OK; and we want to be able to make that assumption in our Makefile
        !           527: # recipes.  So use an aggressive probe to check that the usage we want is
        !           528: # actually supported "in the wild" to an acceptable degree.
        !           529: # See automake bug#10828.
        !           530: # To make any issue more visible, cause the running configure to be aborted
        !           531: # by default if the 'rm' program in use doesn't match our expectations; the
        !           532: # user can still override this though.
        !           533: if rm -f && rm -fr && rm -rf; then : OK; else
        !           534:   cat >&2 <<'END'
        !           535: Oops!
        !           536: 
        !           537: Your 'rm' program seems unable to run without file operands specified
        !           538: on the command line, even when the '-f' option is present.  This is contrary
        !           539: to the behaviour of most rm programs out there, and not conforming with
        !           540: the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
        !           541: 
        !           542: Please tell bug-automake@gnu.org about your system, including the value
        !           543: of your $PATH and any error possibly output before this message.  This
        !           544: can help us improve future automake versions.
        !           545: 
        !           546: END
        !           547:   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
        !           548:     echo 'Configuration will proceed anyway, since you have set the' >&2
        !           549:     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
        !           550:     echo >&2
        !           551:   else
        !           552:     cat >&2 <<'END'
        !           553: Aborting the configuration process, to ensure you take notice of the issue.
        !           554: 
        !           555: You can download and install GNU coreutils to get an 'rm' implementation
        !           556: that behaves properly: <https://www.gnu.org/software/coreutils/>.
        !           557: 
        !           558: If you want to complete the configuration process using your problematic
        !           559: 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
        !           560: to "yes", and re-run configure.
        !           561: 
        !           562: END
        !           563:     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
        !           564:   fi
        !           565: fi
        !           566: dnl The trailing newline in this macro's definition is deliberate, for
        !           567: dnl backward compatibility and to allow trailing 'dnl'-style comments
        !           568: dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
1.1.1.2   misho     569: ])
                    570: 
1.1.1.3 ! misho     571: dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
1.1.1.2   misho     572: dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
                    573: dnl mangled by Autoconf and run in a shell conditional statement.
                    574: m4_define([_AC_COMPILER_EXEEXT],
                    575: m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
1.1       misho     576: 
                    577: # When config.status generates a header, we must update the stamp-h file.
                    578: # This file resides in the same directory as the config header
                    579: # that is generated.  The stamp files are numbered to have different names.
                    580: 
                    581: # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
                    582: # loop where config.status creates the headers, so we can generate
                    583: # our stamp files there.
                    584: AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
                    585: [# Compute $1's index in $config_headers.
                    586: _am_arg=$1
                    587: _am_stamp_count=1
                    588: for _am_header in $config_headers :; do
                    589:   case $_am_header in
                    590:     $_am_arg | $_am_arg:* )
                    591:       break ;;
                    592:     * )
                    593:       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
                    594:   esac
                    595: done
                    596: echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
                    597: 
1.1.1.3 ! misho     598: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
1.1       misho     599: #
                    600: # This file is free software; the Free Software Foundation
                    601: # gives unlimited permission to copy and/or distribute it,
                    602: # with or without modifications, as long as this notice is preserved.
                    603: 
                    604: # AM_PROG_INSTALL_SH
                    605: # ------------------
                    606: # Define $install_sh.
                    607: AC_DEFUN([AM_PROG_INSTALL_SH],
                    608: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1.1.1.3 ! misho     609: if test x"${install_sh+set}" != xset; then
1.1.1.2   misho     610:   case $am_aux_dir in
                    611:   *\ * | *\    *)
                    612:     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
                    613:   *)
                    614:     install_sh="\${SHELL} $am_aux_dir/install-sh"
                    615:   esac
                    616: fi
1.1.1.3 ! misho     617: AC_SUBST([install_sh])])
1.1       misho     618: 
1.1.1.3 ! misho     619: # Copyright (C) 2003-2018 Free Software Foundation, Inc.
1.1       misho     620: #
                    621: # This file is free software; the Free Software Foundation
                    622: # gives unlimited permission to copy and/or distribute it,
                    623: # with or without modifications, as long as this notice is preserved.
                    624: 
                    625: # Check whether the underlying file-system supports filenames
                    626: # with a leading dot.  For instance MS-DOS doesn't.
                    627: AC_DEFUN([AM_SET_LEADING_DOT],
                    628: [rm -rf .tst 2>/dev/null
                    629: mkdir .tst 2>/dev/null
                    630: if test -d .tst; then
                    631:   am__leading_dot=.
                    632: else
                    633:   am__leading_dot=_
                    634: fi
                    635: rmdir .tst 2>/dev/null
                    636: AC_SUBST([am__leading_dot])])
                    637: 
                    638: # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
                    639: # From Jim Meyering
                    640: 
1.1.1.3 ! misho     641: # Copyright (C) 1996-2018 Free Software Foundation, Inc.
1.1       misho     642: #
                    643: # This file is free software; the Free Software Foundation
                    644: # gives unlimited permission to copy and/or distribute it,
                    645: # with or without modifications, as long as this notice is preserved.
                    646: 
1.1.1.2   misho     647: # AM_MAINTAINER_MODE([DEFAULT-MODE])
                    648: # ----------------------------------
                    649: # Control maintainer-specific portions of Makefiles.
1.1.1.3 ! misho     650: # Default is to disable them, unless 'enable' is passed literally.
        !           651: # For symmetry, 'disable' may be passed as well.  Anyway, the user
1.1.1.2   misho     652: # can override the default with the --enable/--disable switch.
1.1       misho     653: AC_DEFUN([AM_MAINTAINER_MODE],
1.1.1.2   misho     654: [m4_case(m4_default([$1], [disable]),
                    655:        [enable], [m4_define([am_maintainer_other], [disable])],
                    656:        [disable], [m4_define([am_maintainer_other], [enable])],
                    657:        [m4_define([am_maintainer_other], [enable])
                    658:         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
                    659: AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
                    660:   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
                    661:   AC_ARG_ENABLE([maintainer-mode],
1.1.1.3 ! misho     662:     [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
        !           663:       am_maintainer_other[ make rules and dependencies not useful
        !           664:       (and sometimes confusing) to the casual installer])],
        !           665:     [USE_MAINTAINER_MODE=$enableval],
        !           666:     [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
1.1       misho     667:   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
1.1.1.2   misho     668:   AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
1.1       misho     669:   MAINT=$MAINTAINER_MODE_TRUE
1.1.1.2   misho     670:   AC_SUBST([MAINT])dnl
1.1       misho     671: ]
                    672: )
                    673: 
                    674: # Check to see how 'make' treats includes.                 -*- Autoconf -*-
                    675: 
1.1.1.3 ! misho     676: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
1.1       misho     677: #
                    678: # This file is free software; the Free Software Foundation
                    679: # gives unlimited permission to copy and/or distribute it,
                    680: # with or without modifications, as long as this notice is preserved.
                    681: 
                    682: # AM_MAKE_INCLUDE()
                    683: # -----------------
1.1.1.3 ! misho     684: # Check whether make has an 'include' directive that can support all
        !           685: # the idioms we need for our automatic dependency tracking code.
1.1       misho     686: AC_DEFUN([AM_MAKE_INCLUDE],
1.1.1.3 ! misho     687: [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
        !           688: cat > confinc.mk << 'END'
1.1       misho     689: am__doit:
1.1.1.3 ! misho     690:        @echo this is the am__doit target >confinc.out
1.1       misho     691: .PHONY: am__doit
                    692: END
                    693: am__include="#"
                    694: am__quote=
1.1.1.3 ! misho     695: # BSD make does it like this.
        !           696: echo '.include "confinc.mk" # ignored' > confmf.BSD
        !           697: # Other make implementations (GNU, Solaris 10, AIX) do it like this.
        !           698: echo 'include confinc.mk # ignored' > confmf.GNU
        !           699: _am_result=no
        !           700: for s in GNU BSD; do
        !           701:   AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
        !           702:   AS_CASE([$?:`cat confinc.out 2>/dev/null`],
        !           703:       ['0:this is the am__doit target'],
        !           704:       [AS_CASE([$s],
        !           705:           [BSD], [am__include='.include' am__quote='"'],
        !           706:           [am__include='include' am__quote=''])])
        !           707:   if test "$am__include" != "#"; then
        !           708:     _am_result="yes ($s style)"
        !           709:     break
        !           710:   fi
        !           711: done
        !           712: rm -f confinc.* confmf.*
        !           713: AC_MSG_RESULT([${_am_result}])
        !           714: AC_SUBST([am__include])])
        !           715: AC_SUBST([am__quote])])
1.1       misho     716: 
                    717: # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
                    718: 
1.1.1.3 ! misho     719: # Copyright (C) 1997-2018 Free Software Foundation, Inc.
1.1       misho     720: #
                    721: # This file is free software; the Free Software Foundation
                    722: # gives unlimited permission to copy and/or distribute it,
                    723: # with or without modifications, as long as this notice is preserved.
                    724: 
                    725: # AM_MISSING_PROG(NAME, PROGRAM)
                    726: # ------------------------------
                    727: AC_DEFUN([AM_MISSING_PROG],
                    728: [AC_REQUIRE([AM_MISSING_HAS_RUN])
                    729: $1=${$1-"${am_missing_run}$2"}
                    730: AC_SUBST($1)])
                    731: 
                    732: # AM_MISSING_HAS_RUN
                    733: # ------------------
1.1.1.3 ! misho     734: # Define MISSING if not defined so far and test if it is modern enough.
        !           735: # If it is, set am_missing_run to use it, otherwise, to nothing.
1.1       misho     736: AC_DEFUN([AM_MISSING_HAS_RUN],
                    737: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
                    738: AC_REQUIRE_AUX_FILE([missing])dnl
1.1.1.2   misho     739: if test x"${MISSING+set}" != xset; then
                    740:   case $am_aux_dir in
                    741:   *\ * | *\    *)
                    742:     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
                    743:   *)
                    744:     MISSING="\${SHELL} $am_aux_dir/missing" ;;
                    745:   esac
                    746: fi
1.1       misho     747: # Use eval to expand $SHELL
1.1.1.3 ! misho     748: if eval "$MISSING --is-lightweight"; then
        !           749:   am_missing_run="$MISSING "
1.1       misho     750: else
                    751:   am_missing_run=
1.1.1.3 ! misho     752:   AC_MSG_WARN(['missing' script is too old or missing])
1.1       misho     753: fi
                    754: ])
                    755: 
                    756: # Helper functions for option handling.                     -*- Autoconf -*-
                    757: 
1.1.1.3 ! misho     758: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
1.1       misho     759: #
                    760: # This file is free software; the Free Software Foundation
                    761: # gives unlimited permission to copy and/or distribute it,
                    762: # with or without modifications, as long as this notice is preserved.
                    763: 
                    764: # _AM_MANGLE_OPTION(NAME)
                    765: # -----------------------
                    766: AC_DEFUN([_AM_MANGLE_OPTION],
                    767: [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
                    768: 
                    769: # _AM_SET_OPTION(NAME)
1.1.1.2   misho     770: # --------------------
1.1       misho     771: # Set option NAME.  Presently that only means defining a flag for this option.
                    772: AC_DEFUN([_AM_SET_OPTION],
1.1.1.3 ! misho     773: [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
1.1       misho     774: 
                    775: # _AM_SET_OPTIONS(OPTIONS)
1.1.1.2   misho     776: # ------------------------
1.1       misho     777: # OPTIONS is a space-separated list of Automake options.
                    778: AC_DEFUN([_AM_SET_OPTIONS],
1.1.1.2   misho     779: [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1.1       misho     780: 
                    781: # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
                    782: # -------------------------------------------
                    783: # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
                    784: AC_DEFUN([_AM_IF_OPTION],
                    785: [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
                    786: 
1.1.1.3 ! misho     787: # Copyright (C) 1999-2018 Free Software Foundation, Inc.
        !           788: #
        !           789: # This file is free software; the Free Software Foundation
        !           790: # gives unlimited permission to copy and/or distribute it,
        !           791: # with or without modifications, as long as this notice is preserved.
1.1       misho     792: 
1.1.1.3 ! misho     793: # _AM_PROG_CC_C_O
        !           794: # ---------------
        !           795: # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
        !           796: # to automatically call this.
        !           797: AC_DEFUN([_AM_PROG_CC_C_O],
        !           798: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
        !           799: AC_REQUIRE_AUX_FILE([compile])dnl
        !           800: AC_LANG_PUSH([C])dnl
        !           801: AC_CACHE_CHECK(
        !           802:   [whether $CC understands -c and -o together],
        !           803:   [am_cv_prog_cc_c_o],
        !           804:   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
        !           805:   # Make sure it works both with $CC and with simple cc.
        !           806:   # Following AC_PROG_CC_C_O, we do the test twice because some
        !           807:   # compilers refuse to overwrite an existing .o file with -o,
        !           808:   # though they will create one.
        !           809:   am_cv_prog_cc_c_o=yes
        !           810:   for am_i in 1 2; do
        !           811:     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
        !           812:          && test -f conftest2.$ac_objext; then
        !           813:       : OK
        !           814:     else
        !           815:       am_cv_prog_cc_c_o=no
        !           816:       break
        !           817:     fi
        !           818:   done
        !           819:   rm -f core conftest*
        !           820:   unset am_i])
        !           821: if test "$am_cv_prog_cc_c_o" != yes; then
        !           822:    # Losing compiler, so override with the script.
        !           823:    # FIXME: It is wrong to rewrite CC.
        !           824:    # But if we don't then we get into trouble of one sort or another.
        !           825:    # A longer-term fix would be to have automake use am__CC in this case,
        !           826:    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
        !           827:    CC="$am_aux_dir/compile $CC"
        !           828: fi
        !           829: AC_LANG_POP([C])])
        !           830: 
        !           831: # For backward compatibility.
        !           832: AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
        !           833: 
        !           834: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
1.1       misho     835: #
                    836: # This file is free software; the Free Software Foundation
                    837: # gives unlimited permission to copy and/or distribute it,
                    838: # with or without modifications, as long as this notice is preserved.
                    839: 
1.1.1.3 ! misho     840: # AM_RUN_LOG(COMMAND)
        !           841: # -------------------
        !           842: # Run COMMAND, save the exit status in ac_status, and log it.
        !           843: # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
        !           844: AC_DEFUN([AM_RUN_LOG],
        !           845: [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
        !           846:    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
        !           847:    ac_status=$?
        !           848:    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
        !           849:    (exit $ac_status); }])
        !           850: 
        !           851: # Check to make sure that the build environment is sane.    -*- Autoconf -*-
        !           852: 
        !           853: # Copyright (C) 1996-2018 Free Software Foundation, Inc.
        !           854: #
        !           855: # This file is free software; the Free Software Foundation
        !           856: # gives unlimited permission to copy and/or distribute it,
        !           857: # with or without modifications, as long as this notice is preserved.
1.1       misho     858: 
                    859: # AM_SANITY_CHECK
                    860: # ---------------
                    861: AC_DEFUN([AM_SANITY_CHECK],
                    862: [AC_MSG_CHECKING([whether build environment is sane])
1.1.1.2   misho     863: # Reject unsafe characters in $srcdir or the absolute working directory
                    864: # name.  Accept space and tab only in the latter.
                    865: am_lf='
                    866: '
                    867: case `pwd` in
                    868:   *[[\\\"\#\$\&\'\`$am_lf]]*)
                    869:     AC_MSG_ERROR([unsafe absolute working directory name]);;
                    870: esac
                    871: case $srcdir in
                    872:   *[[\\\"\#\$\&\'\`$am_lf\ \   ]]*)
1.1.1.3 ! misho     873:     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1.1.1.2   misho     874: esac
                    875: 
1.1.1.3 ! misho     876: # Do 'set' in a subshell so we don't clobber the current shell's
1.1       misho     877: # arguments.  Must try -L first in case configure is actually a
                    878: # symlink; some systems play weird games with the mod time of symlinks
                    879: # (eg FreeBSD returns the mod time of the symlink's containing
                    880: # directory).
                    881: if (
1.1.1.3 ! misho     882:    am_has_slept=no
        !           883:    for am_try in 1 2; do
        !           884:      echo "timestamp, slept: $am_has_slept" > conftest.file
        !           885:      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
        !           886:      if test "$[*]" = "X"; then
        !           887:        # -L didn't work.
        !           888:        set X `ls -t "$srcdir/configure" conftest.file`
        !           889:      fi
        !           890:      if test "$[*]" != "X $srcdir/configure conftest.file" \
        !           891:        && test "$[*]" != "X conftest.file $srcdir/configure"; then
        !           892: 
        !           893:        # If neither matched, then we have a broken ls.  This can happen
        !           894:        # if, for instance, CONFIG_SHELL is bash and it inherits a
        !           895:        # broken ls alias from the environment.  This has actually
        !           896:        # happened.  Such a system could not be considered "sane".
        !           897:        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
        !           898:   alias in your environment])
        !           899:      fi
        !           900:      if test "$[2]" = conftest.file || test $am_try -eq 2; then
        !           901:        break
        !           902:      fi
        !           903:      # Just in case.
        !           904:      sleep 1
        !           905:      am_has_slept=yes
        !           906:    done
1.1       misho     907:    test "$[2]" = conftest.file
                    908:    )
                    909: then
                    910:    # Ok.
                    911:    :
                    912: else
                    913:    AC_MSG_ERROR([newly created file is older than distributed files!
                    914: Check your system clock])
                    915: fi
1.1.1.3 ! misho     916: AC_MSG_RESULT([yes])
        !           917: # If we didn't sleep, we still need to ensure time stamps of config.status and
        !           918: # generated files are strictly newer.
        !           919: am_sleep_pid=
        !           920: if grep 'slept: no' conftest.file >/dev/null 2>&1; then
        !           921:   ( sleep 1 ) &
        !           922:   am_sleep_pid=$!
        !           923: fi
        !           924: AC_CONFIG_COMMANDS_PRE(
        !           925:   [AC_MSG_CHECKING([that generated files are newer than configure])
        !           926:    if test -n "$am_sleep_pid"; then
        !           927:      # Hide warnings about reused PIDs.
        !           928:      wait $am_sleep_pid 2>/dev/null
        !           929:    fi
        !           930:    AC_MSG_RESULT([done])])
        !           931: rm -f conftest.file
        !           932: ])
1.1       misho     933: 
1.1.1.3 ! misho     934: # Copyright (C) 2009-2018 Free Software Foundation, Inc.
1.1       misho     935: #
                    936: # This file is free software; the Free Software Foundation
                    937: # gives unlimited permission to copy and/or distribute it,
                    938: # with or without modifications, as long as this notice is preserved.
                    939: 
1.1.1.3 ! misho     940: # AM_SILENT_RULES([DEFAULT])
        !           941: # --------------------------
        !           942: # Enable less verbose build rules; with the default set to DEFAULT
        !           943: # ("yes" being less verbose, "no" or empty being verbose).
        !           944: AC_DEFUN([AM_SILENT_RULES],
        !           945: [AC_ARG_ENABLE([silent-rules], [dnl
        !           946: AS_HELP_STRING(
        !           947:   [--enable-silent-rules],
        !           948:   [less verbose build output (undo: "make V=1")])
        !           949: AS_HELP_STRING(
        !           950:   [--disable-silent-rules],
        !           951:   [verbose build output (undo: "make V=0")])dnl
        !           952: ])
        !           953: case $enable_silent_rules in @%:@ (((
        !           954:   yes) AM_DEFAULT_VERBOSITY=0;;
        !           955:    no) AM_DEFAULT_VERBOSITY=1;;
        !           956:     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
        !           957: esac
        !           958: dnl
        !           959: dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
        !           960: dnl do not support nested variable expansions.
        !           961: dnl See automake bug#9928 and bug#10237.
        !           962: am_make=${MAKE-make}
        !           963: AC_CACHE_CHECK([whether $am_make supports nested variables],
        !           964:    [am_cv_make_support_nested_variables],
        !           965:    [if AS_ECHO([['TRUE=$(BAR$(V))
        !           966: BAR0=false
        !           967: BAR1=true
        !           968: V=1
        !           969: am__doit:
        !           970:        @$(TRUE)
        !           971: .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
        !           972:   am_cv_make_support_nested_variables=yes
        !           973: else
        !           974:   am_cv_make_support_nested_variables=no
        !           975: fi])
        !           976: if test $am_cv_make_support_nested_variables = yes; then
        !           977:   dnl Using '$V' instead of '$(V)' breaks IRIX make.
        !           978:   AM_V='$(V)'
        !           979:   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
        !           980: else
        !           981:   AM_V=$AM_DEFAULT_VERBOSITY
        !           982:   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
        !           983: fi
        !           984: AC_SUBST([AM_V])dnl
        !           985: AM_SUBST_NOTMAKE([AM_V])dnl
        !           986: AC_SUBST([AM_DEFAULT_V])dnl
        !           987: AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
        !           988: AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
        !           989: AM_BACKSLASH='\'
        !           990: AC_SUBST([AM_BACKSLASH])dnl
        !           991: _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
        !           992: ])
        !           993: 
        !           994: # Copyright (C) 2001-2018 Free Software Foundation, Inc.
        !           995: #
        !           996: # This file is free software; the Free Software Foundation
        !           997: # gives unlimited permission to copy and/or distribute it,
        !           998: # with or without modifications, as long as this notice is preserved.
1.1.1.2   misho     999: 
1.1       misho    1000: # AM_PROG_INSTALL_STRIP
                   1001: # ---------------------
1.1.1.3 ! misho    1002: # One issue with vendor 'install' (even GNU) is that you can't
1.1       misho    1003: # specify the program used to strip binaries.  This is especially
                   1004: # annoying in cross-compiling environments, where the build's strip
                   1005: # is unlikely to handle the host's binaries.
                   1006: # Fortunately install-sh will honor a STRIPPROG variable, so we
1.1.1.3 ! misho    1007: # always use install-sh in "make install-strip", and initialize
1.1       misho    1008: # STRIPPROG with the value of the STRIP variable (set by the user).
                   1009: AC_DEFUN([AM_PROG_INSTALL_STRIP],
                   1010: [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1.1.1.3 ! misho    1011: # Installed binaries are usually stripped using 'strip' when the user
        !          1012: # run "make install-strip".  However 'strip' might not be the right
1.1       misho    1013: # tool to use in cross-compilation environments, therefore Automake
1.1.1.3 ! misho    1014: # will honor the 'STRIP' environment variable to overrule this program.
        !          1015: dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1.1       misho    1016: if test "$cross_compiling" != no; then
                   1017:   AC_CHECK_TOOL([STRIP], [strip], :)
                   1018: fi
                   1019: INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
                   1020: AC_SUBST([INSTALL_STRIP_PROGRAM])])
                   1021: 
1.1.1.3 ! misho    1022: # Copyright (C) 2006-2018 Free Software Foundation, Inc.
1.1       misho    1023: #
                   1024: # This file is free software; the Free Software Foundation
                   1025: # gives unlimited permission to copy and/or distribute it,
                   1026: # with or without modifications, as long as this notice is preserved.
                   1027: 
                   1028: # _AM_SUBST_NOTMAKE(VARIABLE)
                   1029: # ---------------------------
                   1030: # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
                   1031: # This macro is traced by Automake.
                   1032: AC_DEFUN([_AM_SUBST_NOTMAKE])
                   1033: 
1.1.1.2   misho    1034: # AM_SUBST_NOTMAKE(VARIABLE)
                   1035: # --------------------------
                   1036: # Public sister of _AM_SUBST_NOTMAKE.
                   1037: AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
                   1038: 
1.1       misho    1039: # Check how to create a tarball.                            -*- Autoconf -*-
                   1040: 
1.1.1.3 ! misho    1041: # Copyright (C) 2004-2018 Free Software Foundation, Inc.
1.1       misho    1042: #
                   1043: # This file is free software; the Free Software Foundation
                   1044: # gives unlimited permission to copy and/or distribute it,
                   1045: # with or without modifications, as long as this notice is preserved.
                   1046: 
                   1047: # _AM_PROG_TAR(FORMAT)
                   1048: # --------------------
                   1049: # Check how to create a tarball in format FORMAT.
1.1.1.3 ! misho    1050: # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1.1       misho    1051: #
                   1052: # Substitute a variable $(am__tar) that is a command
                   1053: # writing to stdout a FORMAT-tarball containing the directory
                   1054: # $tardir.
                   1055: #     tardir=directory && $(am__tar) > result.tar
                   1056: #
                   1057: # Substitute a variable $(am__untar) that extract such
                   1058: # a tarball read from stdin.
                   1059: #     $(am__untar) < result.tar
1.1.1.3 ! misho    1060: #
1.1       misho    1061: AC_DEFUN([_AM_PROG_TAR],
1.1.1.2   misho    1062: [# Always define AMTAR for backward compatibility.  Yes, it's still used
                   1063: # in the wild :-(  We should find a proper way to deprecate it ...
                   1064: AC_SUBST([AMTAR], ['$${TAR-tar}'])
1.1.1.3 ! misho    1065: 
        !          1066: # We'll loop over all known methods to create a tar archive until one works.
1.1       misho    1067: _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
                   1068: 
1.1.1.3 ! misho    1069: m4_if([$1], [v7],
        !          1070:   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1.1       misho    1071: 
1.1.1.3 ! misho    1072:   [m4_case([$1],
        !          1073:     [ustar],
        !          1074:      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
        !          1075:       # There is notably a 21 bits limit for the UID and the GID.  In fact,
        !          1076:       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
        !          1077:       # and bug#13588).
        !          1078:       am_max_uid=2097151 # 2^21 - 1
        !          1079:       am_max_gid=$am_max_uid
        !          1080:       # The $UID and $GID variables are not portable, so we need to resort
        !          1081:       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
        !          1082:       # below are definitely unexpected, so allow the users to see them
        !          1083:       # (that is, avoid stderr redirection).
        !          1084:       am_uid=`id -u || echo unknown`
        !          1085:       am_gid=`id -g || echo unknown`
        !          1086:       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
        !          1087:       if test $am_uid -le $am_max_uid; then
        !          1088:          AC_MSG_RESULT([yes])
        !          1089:       else
        !          1090:          AC_MSG_RESULT([no])
        !          1091:          _am_tools=none
        !          1092:       fi
        !          1093:       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
        !          1094:       if test $am_gid -le $am_max_gid; then
        !          1095:          AC_MSG_RESULT([yes])
        !          1096:       else
        !          1097:         AC_MSG_RESULT([no])
        !          1098:         _am_tools=none
        !          1099:       fi],
        !          1100: 
        !          1101:   [pax],
        !          1102:     [],
        !          1103: 
        !          1104:   [m4_fatal([Unknown tar format])])
        !          1105: 
        !          1106:   AC_MSG_CHECKING([how to create a $1 tar archive])
        !          1107: 
        !          1108:   # Go ahead even if we have the value already cached.  We do so because we
        !          1109:   # need to set the values for the 'am__tar' and 'am__untar' variables.
        !          1110:   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
        !          1111: 
        !          1112:   for _am_tool in $_am_tools; do
        !          1113:     case $_am_tool in
        !          1114:     gnutar)
        !          1115:       for _am_tar in tar gnutar gtar; do
        !          1116:         AM_RUN_LOG([$_am_tar --version]) && break
        !          1117:       done
        !          1118:       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
        !          1119:       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
        !          1120:       am__untar="$_am_tar -xf -"
        !          1121:       ;;
        !          1122:     plaintar)
        !          1123:       # Must skip GNU tar: if it does not support --format= it doesn't create
        !          1124:       # ustar tarball either.
        !          1125:       (tar --version) >/dev/null 2>&1 && continue
        !          1126:       am__tar='tar chf - "$$tardir"'
        !          1127:       am__tar_='tar chf - "$tardir"'
        !          1128:       am__untar='tar xf -'
        !          1129:       ;;
        !          1130:     pax)
        !          1131:       am__tar='pax -L -x $1 -w "$$tardir"'
        !          1132:       am__tar_='pax -L -x $1 -w "$tardir"'
        !          1133:       am__untar='pax -r'
        !          1134:       ;;
        !          1135:     cpio)
        !          1136:       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
        !          1137:       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
        !          1138:       am__untar='cpio -i -H $1 -d'
        !          1139:       ;;
        !          1140:     none)
        !          1141:       am__tar=false
        !          1142:       am__tar_=false
        !          1143:       am__untar=false
        !          1144:       ;;
        !          1145:     esac
        !          1146: 
        !          1147:     # If the value was cached, stop now.  We just wanted to have am__tar
        !          1148:     # and am__untar set.
        !          1149:     test -n "${am_cv_prog_tar_$1}" && break
        !          1150: 
        !          1151:     # tar/untar a dummy directory, and stop if the command works.
        !          1152:     rm -rf conftest.dir
        !          1153:     mkdir conftest.dir
        !          1154:     echo GrepMe > conftest.dir/file
        !          1155:     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
        !          1156:     rm -rf conftest.dir
        !          1157:     if test -s conftest.tar; then
        !          1158:       AM_RUN_LOG([$am__untar <conftest.tar])
        !          1159:       AM_RUN_LOG([cat conftest.dir/file])
        !          1160:       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
        !          1161:     fi
        !          1162:   done
1.1       misho    1163:   rm -rf conftest.dir
                   1164: 
1.1.1.3 ! misho    1165:   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
        !          1166:   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
        !          1167: 
1.1       misho    1168: AC_SUBST([am__tar])
                   1169: AC_SUBST([am__untar])
                   1170: ]) # _AM_PROG_TAR
                   1171: 

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