Annotation of Gnu-Mach/aclocal.m4, revision 1.1.1.5

1.1.1.5 ! root        1: # generated automatically by aclocal 1.15 -*- Autoconf -*-
1.1       root        2: 
1.1.1.5 ! root        3: # Copyright (C) 1996-2014 Free Software Foundation, Inc.
1.1.1.3   root        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: 
                     14: m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
                     15: m4_ifndef([AC_AUTOCONF_VERSION],
                     16:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
                     17: m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
                     18: [m4_warning([this file was generated for autoconf 2.69.
                     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.
                     21: To do so, use the procedure documented by the package, typically 'autoreconf'.])])
                     22: 
1.1.1.5 ! root       23: # Copyright (C) 2002-2014 Free Software Foundation, Inc.
1.1.1.3   root       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],
1.1.1.5 ! root       35: [am__api_version='1.15'
1.1.1.3   root       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.
1.1.1.5 ! root       38: m4_if([$1], [1.15], [],
1.1.1.3   root       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.
                     52: # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
                     53: AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
1.1.1.5 ! root       54: [AM_AUTOMAKE_VERSION([1.15])dnl
1.1.1.3   root       55: m4_ifndef([AC_AUTOCONF_VERSION],
                     56:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
                     57: _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
                     58: 
                     59: # Figure out how to run the assembler.                      -*- Autoconf -*-
                     60: 
1.1.1.5 ! root       61: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root       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: # AM_PROG_AS
                     68: # ----------
                     69: AC_DEFUN([AM_PROG_AS],
                     70: [# By default we simply use the C compiler to build assembly code.
                     71: AC_REQUIRE([AC_PROG_CC])
                     72: test "${CCAS+set}" = set || CCAS=$CC
                     73: test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
                     74: AC_ARG_VAR([CCAS],      [assembler compiler command (defaults to CC)])
                     75: AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
                     76: _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
                     77: ])
                     78: 
                     79: # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
                     80: 
1.1.1.5 ! root       81: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root       82: #
                     83: # This file is free software; the Free Software Foundation
                     84: # gives unlimited permission to copy and/or distribute it,
                     85: # with or without modifications, as long as this notice is preserved.
                     86: 
                     87: # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
                     88: # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
                     89: # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
                     90: #
                     91: # Of course, Automake must honor this variable whenever it calls a
                     92: # tool from the auxiliary directory.  The problem is that $srcdir (and
                     93: # therefore $ac_aux_dir as well) can be either absolute or relative,
                     94: # depending on how configure is run.  This is pretty annoying, since
                     95: # it makes $ac_aux_dir quite unusable in subdirectories: in the top
                     96: # source directory, any form will work fine, but in subdirectories a
                     97: # relative path needs to be adjusted first.
                     98: #
                     99: # $ac_aux_dir/missing
                    100: #    fails when called from a subdirectory if $ac_aux_dir is relative
                    101: # $top_srcdir/$ac_aux_dir/missing
                    102: #    fails if $ac_aux_dir is absolute,
                    103: #    fails when called from a subdirectory in a VPATH build with
                    104: #          a relative $ac_aux_dir
                    105: #
                    106: # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
                    107: # are both prefixed by $srcdir.  In an in-source build this is usually
                    108: # harmless because $srcdir is '.', but things will broke when you
                    109: # start a VPATH build or use an absolute $srcdir.
                    110: #
                    111: # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
                    112: # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
                    113: #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
                    114: # and then we would define $MISSING as
                    115: #   MISSING="\${SHELL} $am_aux_dir/missing"
                    116: # This will work as long as MISSING is not called from configure, because
                    117: # unfortunately $(top_srcdir) has no meaning in configure.
                    118: # However there are other variables, like CC, which are often used in
                    119: # configure, and could therefore not use this "fixed" $ac_aux_dir.
                    120: #
                    121: # Another solution, used here, is to always expand $ac_aux_dir to an
                    122: # absolute PATH.  The drawback is that using absolute paths prevent a
                    123: # configured tree to be moved without reconfiguration.
                    124: 
                    125: AC_DEFUN([AM_AUX_DIR_EXPAND],
1.1.1.4   root      126: [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
                    127: # Expand $ac_aux_dir to an absolute path.
                    128: am_aux_dir=`cd "$ac_aux_dir" && pwd`
1.1.1.3   root      129: ])
                    130: 
                    131: # AM_CONDITIONAL                                            -*- Autoconf -*-
                    132: 
1.1.1.5 ! root      133: # Copyright (C) 1997-2014 Free Software Foundation, Inc.
1.1.1.3   root      134: #
                    135: # This file is free software; the Free Software Foundation
                    136: # gives unlimited permission to copy and/or distribute it,
                    137: # with or without modifications, as long as this notice is preserved.
                    138: 
                    139: # AM_CONDITIONAL(NAME, SHELL-CONDITION)
                    140: # -------------------------------------
                    141: # Define a conditional.
                    142: AC_DEFUN([AM_CONDITIONAL],
                    143: [AC_PREREQ([2.52])dnl
                    144:  m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
                    145:        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
                    146: AC_SUBST([$1_TRUE])dnl
                    147: AC_SUBST([$1_FALSE])dnl
                    148: _AM_SUBST_NOTMAKE([$1_TRUE])dnl
                    149: _AM_SUBST_NOTMAKE([$1_FALSE])dnl
                    150: m4_define([_AM_COND_VALUE_$1], [$2])dnl
                    151: if $2; then
                    152:   $1_TRUE=
                    153:   $1_FALSE='#'
                    154: else
                    155:   $1_TRUE='#'
                    156:   $1_FALSE=
                    157: fi
                    158: AC_CONFIG_COMMANDS_PRE(
                    159: [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
                    160:   AC_MSG_ERROR([[conditional "$1" was never defined.
                    161: Usually this means the macro was only invoked conditionally.]])
                    162: fi])])
                    163: 
1.1.1.5 ! root      164: # Copyright (C) 1999-2014 Free Software Foundation, Inc.
1.1.1.3   root      165: #
                    166: # This file is free software; the Free Software Foundation
                    167: # gives unlimited permission to copy and/or distribute it,
                    168: # with or without modifications, as long as this notice is preserved.
                    169: 
                    170: 
                    171: # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
                    172: # written in clear, in which case automake, when reading aclocal.m4,
                    173: # will think it sees a *use*, and therefore will trigger all it's
                    174: # C support machinery.  Also note that it means that autoscan, seeing
                    175: # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
                    176: 
                    177: 
                    178: # _AM_DEPENDENCIES(NAME)
                    179: # ----------------------
                    180: # See how the compiler implements dependency checking.
                    181: # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
                    182: # We try a few techniques and use that to set a single cache variable.
                    183: #
                    184: # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
                    185: # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
                    186: # dependency, and given that the user is not expected to run this macro,
                    187: # just rely on AC_PROG_CC.
                    188: AC_DEFUN([_AM_DEPENDENCIES],
                    189: [AC_REQUIRE([AM_SET_DEPDIR])dnl
                    190: AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
                    191: AC_REQUIRE([AM_MAKE_INCLUDE])dnl
                    192: AC_REQUIRE([AM_DEP_TRACK])dnl
                    193: 
                    194: m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
                    195:       [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
                    196:       [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
                    197:       [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
                    198:       [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
                    199:       [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
                    200:                     [depcc="$$1"   am_compiler_list=])
                    201: 
                    202: AC_CACHE_CHECK([dependency style of $depcc],
                    203:                [am_cv_$1_dependencies_compiler_type],
                    204: [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
                    205:   # We make a subdir and do the tests there.  Otherwise we can end up
                    206:   # making bogus files that we don't know about and never remove.  For
                    207:   # instance it was reported that on HP-UX the gcc test will end up
                    208:   # making a dummy file named 'D' -- because '-MD' means "put the output
                    209:   # in D".
                    210:   rm -rf conftest.dir
                    211:   mkdir conftest.dir
                    212:   # Copy depcomp to subdir because otherwise we won't find it if we're
                    213:   # using a relative directory.
                    214:   cp "$am_depcomp" conftest.dir
                    215:   cd conftest.dir
                    216:   # We will build objects and dependencies in a subdirectory because
                    217:   # it helps to detect inapplicable dependency modes.  For instance
                    218:   # both Tru64's cc and ICC support -MD to output dependencies as a
                    219:   # side effect of compilation, but ICC will put the dependencies in
                    220:   # the current directory while Tru64 will put them in the object
                    221:   # directory.
                    222:   mkdir sub
                    223: 
                    224:   am_cv_$1_dependencies_compiler_type=none
                    225:   if test "$am_compiler_list" = ""; then
                    226:      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
                    227:   fi
                    228:   am__universal=false
                    229:   m4_case([$1], [CC],
                    230:     [case " $depcc " in #(
                    231:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
                    232:      esac],
                    233:     [CXX],
                    234:     [case " $depcc " in #(
                    235:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
                    236:      esac])
                    237: 
                    238:   for depmode in $am_compiler_list; do
                    239:     # Setup a source with many dependencies, because some compilers
                    240:     # like to wrap large dependency lists on column 80 (with \), and
                    241:     # we should not choose a depcomp mode which is confused by this.
                    242:     #
                    243:     # We need to recreate these files for each test, as the compiler may
                    244:     # overwrite some of them when testing with obscure command lines.
                    245:     # This happens at least with the AIX C compiler.
                    246:     : > sub/conftest.c
                    247:     for i in 1 2 3 4 5 6; do
                    248:       echo '#include "conftst'$i'.h"' >> sub/conftest.c
                    249:       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
                    250:       # Solaris 10 /bin/sh.
                    251:       echo '/* dummy */' > sub/conftst$i.h
                    252:     done
                    253:     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
                    254: 
                    255:     # We check with '-c' and '-o' for the sake of the "dashmstdout"
                    256:     # mode.  It turns out that the SunPro C++ compiler does not properly
                    257:     # handle '-M -o', and we need to detect this.  Also, some Intel
                    258:     # versions had trouble with output in subdirs.
                    259:     am__obj=sub/conftest.${OBJEXT-o}
                    260:     am__minus_obj="-o $am__obj"
                    261:     case $depmode in
                    262:     gcc)
                    263:       # This depmode causes a compiler race in universal mode.
                    264:       test "$am__universal" = false || continue
                    265:       ;;
                    266:     nosideeffect)
                    267:       # After this tag, mechanisms are not by side-effect, so they'll
                    268:       # only be used when explicitly requested.
                    269:       if test "x$enable_dependency_tracking" = xyes; then
                    270:        continue
                    271:       else
                    272:        break
                    273:       fi
                    274:       ;;
                    275:     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
                    276:       # This compiler won't grok '-c -o', but also, the minuso test has
                    277:       # not run yet.  These depmodes are late enough in the game, and
                    278:       # so weak that their functioning should not be impacted.
                    279:       am__obj=conftest.${OBJEXT-o}
                    280:       am__minus_obj=
                    281:       ;;
                    282:     none) break ;;
                    283:     esac
                    284:     if depmode=$depmode \
                    285:        source=sub/conftest.c object=$am__obj \
                    286:        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
                    287:        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
                    288:          >/dev/null 2>conftest.err &&
                    289:        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
                    290:        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
                    291:        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
                    292:        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
                    293:       # icc doesn't choke on unknown options, it will just issue warnings
                    294:       # or remarks (even with -Werror).  So we grep stderr for any message
                    295:       # that says an option was ignored or not supported.
                    296:       # When given -MP, icc 7.0 and 7.1 complain thusly:
                    297:       #   icc: Command line warning: ignoring option '-M'; no argument required
                    298:       # The diagnosis changed in icc 8.0:
                    299:       #   icc: Command line remark: option '-MP' not supported
                    300:       if (grep 'ignoring option' conftest.err ||
                    301:           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
                    302:         am_cv_$1_dependencies_compiler_type=$depmode
                    303:         break
                    304:       fi
                    305:     fi
                    306:   done
                    307: 
                    308:   cd ..
                    309:   rm -rf conftest.dir
                    310: else
                    311:   am_cv_$1_dependencies_compiler_type=none
                    312: fi
                    313: ])
                    314: AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
                    315: AM_CONDITIONAL([am__fastdep$1], [
                    316:   test "x$enable_dependency_tracking" != xno \
                    317:   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
                    318: ])
                    319: 
                    320: 
                    321: # AM_SET_DEPDIR
                    322: # -------------
                    323: # Choose a directory name for dependency files.
                    324: # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
                    325: AC_DEFUN([AM_SET_DEPDIR],
                    326: [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
                    327: AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
                    328: ])
                    329: 
                    330: 
                    331: # AM_DEP_TRACK
                    332: # ------------
                    333: AC_DEFUN([AM_DEP_TRACK],
                    334: [AC_ARG_ENABLE([dependency-tracking], [dnl
                    335: AS_HELP_STRING(
                    336:   [--enable-dependency-tracking],
                    337:   [do not reject slow dependency extractors])
                    338: AS_HELP_STRING(
                    339:   [--disable-dependency-tracking],
                    340:   [speeds up one-time build])])
                    341: if test "x$enable_dependency_tracking" != xno; then
                    342:   am_depcomp="$ac_aux_dir/depcomp"
                    343:   AMDEPBACKSLASH='\'
                    344:   am__nodep='_no'
                    345: fi
                    346: AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
                    347: AC_SUBST([AMDEPBACKSLASH])dnl
                    348: _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
                    349: AC_SUBST([am__nodep])dnl
                    350: _AM_SUBST_NOTMAKE([am__nodep])dnl
                    351: ])
                    352: 
                    353: # Generate code to set up dependency tracking.              -*- Autoconf -*-
                    354: 
1.1.1.5 ! root      355: # Copyright (C) 1999-2014 Free Software Foundation, Inc.
1.1.1.3   root      356: #
                    357: # This file is free software; the Free Software Foundation
                    358: # gives unlimited permission to copy and/or distribute it,
                    359: # with or without modifications, as long as this notice is preserved.
                    360: 
                    361: 
                    362: # _AM_OUTPUT_DEPENDENCY_COMMANDS
                    363: # ------------------------------
                    364: AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
                    365: [{
                    366:   # Older Autoconf quotes --file arguments for eval, but not when files
                    367:   # are listed without --file.  Let's play safe and only enable the eval
                    368:   # if we detect the quoting.
                    369:   case $CONFIG_FILES in
                    370:   *\'*) eval set x "$CONFIG_FILES" ;;
                    371:   *)   set x $CONFIG_FILES ;;
                    372:   esac
                    373:   shift
                    374:   for mf
                    375:   do
                    376:     # Strip MF so we end up with the name of the file.
                    377:     mf=`echo "$mf" | sed -e 's/:.*$//'`
                    378:     # Check whether this is an Automake generated Makefile or not.
                    379:     # We used to match only the files named 'Makefile.in', but
                    380:     # some people rename them; so instead we look at the file content.
                    381:     # Grep'ing the first line is not enough: some people post-process
                    382:     # each Makefile.in and add a new line on top of each file to say so.
                    383:     # Grep'ing the whole file is not good either: AIX grep has a line
                    384:     # limit of 2048, but all sed's we know have understand at least 4000.
                    385:     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
                    386:       dirpart=`AS_DIRNAME("$mf")`
1.1       root      387:     else
1.1.1.3   root      388:       continue
1.1       root      389:     fi
1.1.1.3   root      390:     # Extract the definition of DEPDIR, am__include, and am__quote
                    391:     # from the Makefile without running 'make'.
                    392:     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
                    393:     test -z "$DEPDIR" && continue
                    394:     am__include=`sed -n 's/^am__include = //p' < "$mf"`
                    395:     test -z "$am__include" && continue
                    396:     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
                    397:     # Find all dependency output files, they are included files with
                    398:     # $(DEPDIR) in their names.  We invoke sed twice because it is the
                    399:     # simplest approach to changing $(DEPDIR) to its actual value in the
                    400:     # expansion.
                    401:     for file in `sed -n "
                    402:       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
                    403:         sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
                    404:       # Make sure the directory exists.
                    405:       test -f "$dirpart/$file" && continue
                    406:       fdir=`AS_DIRNAME(["$file"])`
                    407:       AS_MKDIR_P([$dirpart/$fdir])
                    408:       # echo "creating $dirpart/$file"
                    409:       echo '# dummy' > "$dirpart/$file"
                    410:     done
                    411:   done
                    412: }
                    413: ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
                    414: 
                    415: 
                    416: # AM_OUTPUT_DEPENDENCY_COMMANDS
                    417: # -----------------------------
                    418: # This macro should only be invoked once -- use via AC_REQUIRE.
                    419: #
                    420: # This code is only required when automatic dependency tracking
                    421: # is enabled.  FIXME.  This creates each '.P' file that we will
                    422: # need in order to bootstrap the dependency handling code.
                    423: AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
                    424: [AC_CONFIG_COMMANDS([depfiles],
                    425:      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
                    426:      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
                    427: ])
                    428: 
                    429: # Do all the work for Automake.                             -*- Autoconf -*-
                    430: 
1.1.1.5 ! root      431: # Copyright (C) 1996-2014 Free Software Foundation, Inc.
1.1.1.3   root      432: #
                    433: # This file is free software; the Free Software Foundation
                    434: # gives unlimited permission to copy and/or distribute it,
                    435: # with or without modifications, as long as this notice is preserved.
                    436: 
                    437: # This macro actually does too much.  Some checks are only needed if
                    438: # your package does certain things.  But this isn't really a big deal.
                    439: 
1.1.1.4   root      440: dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
                    441: m4_define([AC_PROG_CC],
                    442: m4_defn([AC_PROG_CC])
                    443: [_AM_PROG_CC_C_O
                    444: ])
                    445: 
1.1.1.3   root      446: # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
                    447: # AM_INIT_AUTOMAKE([OPTIONS])
                    448: # -----------------------------------------------
                    449: # The call with PACKAGE and VERSION arguments is the old style
                    450: # call (pre autoconf-2.50), which is being phased out.  PACKAGE
                    451: # and VERSION should now be passed to AC_INIT and removed from
                    452: # the call to AM_INIT_AUTOMAKE.
                    453: # We support both call styles for the transition.  After
                    454: # the next Automake release, Autoconf can make the AC_INIT
                    455: # arguments mandatory, and then we can depend on a new Autoconf
                    456: # release and drop the old call support.
                    457: AC_DEFUN([AM_INIT_AUTOMAKE],
                    458: [AC_PREREQ([2.65])dnl
                    459: dnl Autoconf wants to disallow AM_ names.  We explicitly allow
                    460: dnl the ones we care about.
                    461: m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
                    462: AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
                    463: AC_REQUIRE([AC_PROG_INSTALL])dnl
                    464: if test "`cd $srcdir && pwd`" != "`pwd`"; then
                    465:   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
                    466:   # is not polluted with repeated "-I."
                    467:   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
                    468:   # test to see if srcdir already configured
                    469:   if test -f $srcdir/config.status; then
                    470:     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
                    471:   fi
                    472: fi
                    473: 
                    474: # test whether we have cygpath
                    475: if test -z "$CYGPATH_W"; then
                    476:   if (cygpath --version) >/dev/null 2>/dev/null; then
                    477:     CYGPATH_W='cygpath -w'
                    478:   else
                    479:     CYGPATH_W=echo
1.1       root      480:   fi
1.1.1.3   root      481: fi
                    482: AC_SUBST([CYGPATH_W])
                    483: 
                    484: # Define the identity of the package.
                    485: dnl Distinguish between old-style and new-style calls.
                    486: m4_ifval([$2],
                    487: [AC_DIAGNOSE([obsolete],
                    488:              [$0: two- and three-arguments forms are deprecated.])
                    489: m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
                    490:  AC_SUBST([PACKAGE], [$1])dnl
                    491:  AC_SUBST([VERSION], [$2])],
                    492: [_AM_SET_OPTIONS([$1])dnl
                    493: dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
                    494: m4_if(
                    495:   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
                    496:   [ok:ok],,
                    497:   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
                    498:  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
                    499:  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
                    500: 
                    501: _AM_IF_OPTION([no-define],,
                    502: [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
                    503:  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
                    504: 
                    505: # Some tools Automake needs.
                    506: AC_REQUIRE([AM_SANITY_CHECK])dnl
                    507: AC_REQUIRE([AC_ARG_PROGRAM])dnl
                    508: AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
                    509: AM_MISSING_PROG([AUTOCONF], [autoconf])
                    510: AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
                    511: AM_MISSING_PROG([AUTOHEADER], [autoheader])
                    512: AM_MISSING_PROG([MAKEINFO], [makeinfo])
                    513: AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
                    514: AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
                    515: AC_REQUIRE([AC_PROG_MKDIR_P])dnl
                    516: # For better backward compatibility.  To be removed once Automake 1.9.x
                    517: # dies out for good.  For more background, see:
                    518: # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
                    519: # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
                    520: AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
1.1.1.5 ! root      521: # We need awk for the "check" target (and possibly the TAP driver).  The
        !           522: # system "awk" is bad on some platforms.
1.1.1.3   root      523: AC_REQUIRE([AC_PROG_AWK])dnl
                    524: AC_REQUIRE([AC_PROG_MAKE_SET])dnl
                    525: AC_REQUIRE([AM_SET_LEADING_DOT])dnl
                    526: _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
                    527:              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
                    528:                             [_AM_PROG_TAR([v7])])])
                    529: _AM_IF_OPTION([no-dependencies],,
                    530: [AC_PROVIDE_IFELSE([AC_PROG_CC],
                    531:                  [_AM_DEPENDENCIES([CC])],
                    532:                  [m4_define([AC_PROG_CC],
                    533:                             m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
                    534: AC_PROVIDE_IFELSE([AC_PROG_CXX],
                    535:                  [_AM_DEPENDENCIES([CXX])],
                    536:                  [m4_define([AC_PROG_CXX],
                    537:                             m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
                    538: AC_PROVIDE_IFELSE([AC_PROG_OBJC],
                    539:                  [_AM_DEPENDENCIES([OBJC])],
                    540:                  [m4_define([AC_PROG_OBJC],
                    541:                             m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
                    542: AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
                    543:                  [_AM_DEPENDENCIES([OBJCXX])],
                    544:                  [m4_define([AC_PROG_OBJCXX],
                    545:                             m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
                    546: ])
                    547: AC_REQUIRE([AM_SILENT_RULES])dnl
                    548: dnl The testsuite driver may need to know about EXEEXT, so add the
                    549: dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
                    550: dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
                    551: AC_CONFIG_COMMANDS_PRE(dnl
                    552: [m4_provide_if([_AM_COMPILER_EXEEXT],
                    553:   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
1.1.1.4   root      554: 
                    555: # POSIX will say in a future version that running "rm -f" with no argument
                    556: # is OK; and we want to be able to make that assumption in our Makefile
                    557: # recipes.  So use an aggressive probe to check that the usage we want is
                    558: # actually supported "in the wild" to an acceptable degree.
                    559: # See automake bug#10828.
                    560: # To make any issue more visible, cause the running configure to be aborted
                    561: # by default if the 'rm' program in use doesn't match our expectations; the
                    562: # user can still override this though.
                    563: if rm -f && rm -fr && rm -rf; then : OK; else
                    564:   cat >&2 <<'END'
                    565: Oops!
                    566: 
                    567: Your 'rm' program seems unable to run without file operands specified
                    568: on the command line, even when the '-f' option is present.  This is contrary
                    569: to the behaviour of most rm programs out there, and not conforming with
                    570: the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
                    571: 
                    572: Please tell [email protected] about your system, including the value
                    573: of your $PATH and any error possibly output before this message.  This
                    574: can help us improve future automake versions.
                    575: 
                    576: END
                    577:   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
                    578:     echo 'Configuration will proceed anyway, since you have set the' >&2
                    579:     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
                    580:     echo >&2
                    581:   else
                    582:     cat >&2 <<'END'
                    583: Aborting the configuration process, to ensure you take notice of the issue.
                    584: 
                    585: You can download and install GNU coreutils to get an 'rm' implementation
                    586: that behaves properly: <http://www.gnu.org/software/coreutils/>.
                    587: 
                    588: If you want to complete the configuration process using your problematic
                    589: 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
                    590: to "yes", and re-run configure.
                    591: 
                    592: END
                    593:     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
                    594:   fi
                    595: fi
1.1.1.5 ! root      596: dnl The trailing newline in this macro's definition is deliberate, for
        !           597: dnl backward compatibility and to allow trailing 'dnl'-style comments
        !           598: dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
1.1.1.3   root      599: ])
                    600: 
                    601: dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
                    602: dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
                    603: dnl mangled by Autoconf and run in a shell conditional statement.
                    604: m4_define([_AC_COMPILER_EXEEXT],
                    605: m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
                    606: 
                    607: # When config.status generates a header, we must update the stamp-h file.
                    608: # This file resides in the same directory as the config header
                    609: # that is generated.  The stamp files are numbered to have different names.
                    610: 
                    611: # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
                    612: # loop where config.status creates the headers, so we can generate
                    613: # our stamp files there.
                    614: AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
                    615: [# Compute $1's index in $config_headers.
                    616: _am_arg=$1
                    617: _am_stamp_count=1
                    618: for _am_header in $config_headers :; do
                    619:   case $_am_header in
                    620:     $_am_arg | $_am_arg:* )
                    621:       break ;;
                    622:     * )
                    623:       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
                    624:   esac
                    625: done
                    626: echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
                    627: 
1.1.1.5 ! root      628: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root      629: #
                    630: # This file is free software; the Free Software Foundation
                    631: # gives unlimited permission to copy and/or distribute it,
                    632: # with or without modifications, as long as this notice is preserved.
                    633: 
                    634: # AM_PROG_INSTALL_SH
                    635: # ------------------
                    636: # Define $install_sh.
                    637: AC_DEFUN([AM_PROG_INSTALL_SH],
                    638: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1.1.1.5 ! root      639: if test x"${install_sh+set}" != xset; then
1.1.1.3   root      640:   case $am_aux_dir in
                    641:   *\ * | *\    *)
                    642:     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
                    643:   *)
                    644:     install_sh="\${SHELL} $am_aux_dir/install-sh"
                    645:   esac
                    646: fi
                    647: AC_SUBST([install_sh])])
                    648: 
1.1.1.5 ! root      649: # Copyright (C) 2003-2014 Free Software Foundation, Inc.
1.1.1.3   root      650: #
                    651: # This file is free software; the Free Software Foundation
                    652: # gives unlimited permission to copy and/or distribute it,
                    653: # with or without modifications, as long as this notice is preserved.
                    654: 
                    655: # Check whether the underlying file-system supports filenames
                    656: # with a leading dot.  For instance MS-DOS doesn't.
                    657: AC_DEFUN([AM_SET_LEADING_DOT],
                    658: [rm -rf .tst 2>/dev/null
                    659: mkdir .tst 2>/dev/null
                    660: if test -d .tst; then
                    661:   am__leading_dot=.
                    662: else
                    663:   am__leading_dot=_
                    664: fi
                    665: rmdir .tst 2>/dev/null
                    666: AC_SUBST([am__leading_dot])])
                    667: 
                    668: # Check to see how 'make' treats includes.                 -*- Autoconf -*-
                    669: 
1.1.1.5 ! root      670: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root      671: #
                    672: # This file is free software; the Free Software Foundation
                    673: # gives unlimited permission to copy and/or distribute it,
                    674: # with or without modifications, as long as this notice is preserved.
                    675: 
                    676: # AM_MAKE_INCLUDE()
                    677: # -----------------
                    678: # Check to see how make treats includes.
                    679: AC_DEFUN([AM_MAKE_INCLUDE],
                    680: [am_make=${MAKE-make}
                    681: cat > confinc << 'END'
                    682: am__doit:
                    683:        @echo this is the am__doit target
                    684: .PHONY: am__doit
                    685: END
                    686: # If we don't find an include directive, just comment out the code.
                    687: AC_MSG_CHECKING([for style of include used by $am_make])
                    688: am__include="#"
                    689: am__quote=
                    690: _am_result=none
                    691: # First try GNU make style include.
                    692: echo "include confinc" > confmf
                    693: # Ignore all kinds of additional output from 'make'.
                    694: case `$am_make -s -f confmf 2> /dev/null` in #(
                    695: *the\ am__doit\ target*)
                    696:   am__include=include
                    697:   am__quote=
                    698:   _am_result=GNU
                    699:   ;;
                    700: esac
                    701: # Now try BSD make style include.
                    702: if test "$am__include" = "#"; then
                    703:    echo '.include "confinc"' > confmf
                    704:    case `$am_make -s -f confmf 2> /dev/null` in #(
                    705:    *the\ am__doit\ target*)
                    706:      am__include=.include
                    707:      am__quote="\""
                    708:      _am_result=BSD
                    709:      ;;
                    710:    esac
                    711: fi
                    712: AC_SUBST([am__include])
                    713: AC_SUBST([am__quote])
                    714: AC_MSG_RESULT([$_am_result])
                    715: rm -f confinc confmf
                    716: ])
                    717: 
                    718: # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
                    719: 
1.1.1.5 ! root      720: # Copyright (C) 1997-2014 Free Software Foundation, Inc.
1.1.1.3   root      721: #
                    722: # This file is free software; the Free Software Foundation
                    723: # gives unlimited permission to copy and/or distribute it,
                    724: # with or without modifications, as long as this notice is preserved.
                    725: 
                    726: # AM_MISSING_PROG(NAME, PROGRAM)
                    727: # ------------------------------
                    728: AC_DEFUN([AM_MISSING_PROG],
                    729: [AC_REQUIRE([AM_MISSING_HAS_RUN])
                    730: $1=${$1-"${am_missing_run}$2"}
                    731: AC_SUBST($1)])
                    732: 
                    733: # AM_MISSING_HAS_RUN
                    734: # ------------------
                    735: # Define MISSING if not defined so far and test if it is modern enough.
                    736: # If it is, set am_missing_run to use it, otherwise, to nothing.
                    737: AC_DEFUN([AM_MISSING_HAS_RUN],
                    738: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
                    739: AC_REQUIRE_AUX_FILE([missing])dnl
                    740: if test x"${MISSING+set}" != xset; then
                    741:   case $am_aux_dir in
                    742:   *\ * | *\    *)
                    743:     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
                    744:   *)
                    745:     MISSING="\${SHELL} $am_aux_dir/missing" ;;
                    746:   esac
                    747: fi
                    748: # Use eval to expand $SHELL
                    749: if eval "$MISSING --is-lightweight"; then
                    750:   am_missing_run="$MISSING "
1.1       root      751: else
1.1.1.3   root      752:   am_missing_run=
                    753:   AC_MSG_WARN(['missing' script is too old or missing])
1.1       root      754: fi
                    755: ])
                    756: 
1.1.1.3   root      757: # Helper functions for option handling.                     -*- Autoconf -*-
                    758: 
1.1.1.5 ! root      759: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root      760: #
                    761: # This file is free software; the Free Software Foundation
                    762: # gives unlimited permission to copy and/or distribute it,
                    763: # with or without modifications, as long as this notice is preserved.
                    764: 
                    765: # _AM_MANGLE_OPTION(NAME)
                    766: # -----------------------
                    767: AC_DEFUN([_AM_MANGLE_OPTION],
                    768: [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
                    769: 
                    770: # _AM_SET_OPTION(NAME)
                    771: # --------------------
                    772: # Set option NAME.  Presently that only means defining a flag for this option.
                    773: AC_DEFUN([_AM_SET_OPTION],
                    774: [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
                    775: 
                    776: # _AM_SET_OPTIONS(OPTIONS)
                    777: # ------------------------
                    778: # OPTIONS is a space-separated list of Automake options.
                    779: AC_DEFUN([_AM_SET_OPTIONS],
                    780: [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
                    781: 
                    782: # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
                    783: # -------------------------------------------
                    784: # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
                    785: AC_DEFUN([_AM_IF_OPTION],
                    786: [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
                    787: 
1.1.1.5 ! root      788: # Copyright (C) 1999-2014 Free Software Foundation, Inc.
1.1.1.4   root      789: #
                    790: # This file is free software; the Free Software Foundation
                    791: # gives unlimited permission to copy and/or distribute it,
                    792: # with or without modifications, as long as this notice is preserved.
                    793: 
                    794: # _AM_PROG_CC_C_O
                    795: # ---------------
                    796: # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
                    797: # to automatically call this.
                    798: AC_DEFUN([_AM_PROG_CC_C_O],
                    799: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
                    800: AC_REQUIRE_AUX_FILE([compile])dnl
                    801: AC_LANG_PUSH([C])dnl
                    802: AC_CACHE_CHECK(
                    803:   [whether $CC understands -c and -o together],
                    804:   [am_cv_prog_cc_c_o],
                    805:   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
                    806:   # Make sure it works both with $CC and with simple cc.
                    807:   # Following AC_PROG_CC_C_O, we do the test twice because some
                    808:   # compilers refuse to overwrite an existing .o file with -o,
                    809:   # though they will create one.
                    810:   am_cv_prog_cc_c_o=yes
                    811:   for am_i in 1 2; do
                    812:     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
                    813:          && test -f conftest2.$ac_objext; then
                    814:       : OK
                    815:     else
                    816:       am_cv_prog_cc_c_o=no
                    817:       break
                    818:     fi
                    819:   done
                    820:   rm -f core conftest*
                    821:   unset am_i])
                    822: if test "$am_cv_prog_cc_c_o" != yes; then
                    823:    # Losing compiler, so override with the script.
                    824:    # FIXME: It is wrong to rewrite CC.
                    825:    # But if we don't then we get into trouble of one sort or another.
                    826:    # A longer-term fix would be to have automake use am__CC in this case,
                    827:    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
                    828:    CC="$am_aux_dir/compile $CC"
                    829: fi
                    830: AC_LANG_POP([C])])
                    831: 
                    832: # For backward compatibility.
                    833: AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
                    834: 
1.1.1.5 ! root      835: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.4   root      836: #
                    837: # This file is free software; the Free Software Foundation
                    838: # gives unlimited permission to copy and/or distribute it,
                    839: # with or without modifications, as long as this notice is preserved.
                    840: 
                    841: # AM_RUN_LOG(COMMAND)
                    842: # -------------------
                    843: # Run COMMAND, save the exit status in ac_status, and log it.
                    844: # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
                    845: AC_DEFUN([AM_RUN_LOG],
                    846: [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
                    847:    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
                    848:    ac_status=$?
                    849:    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
                    850:    (exit $ac_status); }])
                    851: 
1.1.1.3   root      852: # Check to make sure that the build environment is sane.    -*- Autoconf -*-
                    853: 
1.1.1.5 ! root      854: # Copyright (C) 1996-2014 Free Software Foundation, Inc.
1.1.1.3   root      855: #
                    856: # This file is free software; the Free Software Foundation
                    857: # gives unlimited permission to copy and/or distribute it,
                    858: # with or without modifications, as long as this notice is preserved.
                    859: 
                    860: # AM_SANITY_CHECK
                    861: # ---------------
                    862: AC_DEFUN([AM_SANITY_CHECK],
                    863: [AC_MSG_CHECKING([whether build environment is sane])
                    864: # Reject unsafe characters in $srcdir or the absolute working directory
                    865: # name.  Accept space and tab only in the latter.
                    866: am_lf='
                    867: '
                    868: case `pwd` in
                    869:   *[[\\\"\#\$\&\'\`$am_lf]]*)
                    870:     AC_MSG_ERROR([unsafe absolute working directory name]);;
1.1.1.2   root      871: esac
1.1.1.3   root      872: case $srcdir in
                    873:   *[[\\\"\#\$\&\'\`$am_lf\ \   ]]*)
                    874:     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
                    875: esac
                    876: 
                    877: # Do 'set' in a subshell so we don't clobber the current shell's
                    878: # arguments.  Must try -L first in case configure is actually a
                    879: # symlink; some systems play weird games with the mod time of symlinks
                    880: # (eg FreeBSD returns the mod time of the symlink's containing
                    881: # directory).
                    882: if (
                    883:    am_has_slept=no
                    884:    for am_try in 1 2; do
                    885:      echo "timestamp, slept: $am_has_slept" > conftest.file
                    886:      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
                    887:      if test "$[*]" = "X"; then
                    888:        # -L didn't work.
                    889:        set X `ls -t "$srcdir/configure" conftest.file`
                    890:      fi
                    891:      if test "$[*]" != "X $srcdir/configure conftest.file" \
                    892:        && test "$[*]" != "X conftest.file $srcdir/configure"; then
                    893: 
                    894:        # If neither matched, then we have a broken ls.  This can happen
                    895:        # if, for instance, CONFIG_SHELL is bash and it inherits a
                    896:        # broken ls alias from the environment.  This has actually
                    897:        # happened.  Such a system could not be considered "sane".
                    898:        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
                    899:   alias in your environment])
                    900:      fi
                    901:      if test "$[2]" = conftest.file || test $am_try -eq 2; then
                    902:        break
                    903:      fi
                    904:      # Just in case.
                    905:      sleep 1
                    906:      am_has_slept=yes
                    907:    done
                    908:    test "$[2]" = conftest.file
                    909:    )
                    910: then
                    911:    # Ok.
                    912:    :
                    913: else
                    914:    AC_MSG_ERROR([newly created file is older than distributed files!
                    915: Check your system clock])
                    916: fi
                    917: AC_MSG_RESULT([yes])
                    918: # If we didn't sleep, we still need to ensure time stamps of config.status and
                    919: # generated files are strictly newer.
                    920: am_sleep_pid=
                    921: if grep 'slept: no' conftest.file >/dev/null 2>&1; then
                    922:   ( sleep 1 ) &
                    923:   am_sleep_pid=$!
                    924: fi
                    925: AC_CONFIG_COMMANDS_PRE(
                    926:   [AC_MSG_CHECKING([that generated files are newer than configure])
                    927:    if test -n "$am_sleep_pid"; then
                    928:      # Hide warnings about reused PIDs.
                    929:      wait $am_sleep_pid 2>/dev/null
                    930:    fi
                    931:    AC_MSG_RESULT([done])])
                    932: rm -f conftest.file
                    933: ])
                    934: 
1.1.1.5 ! root      935: # Copyright (C) 2009-2014 Free Software Foundation, Inc.
1.1.1.3   root      936: #
                    937: # This file is free software; the Free Software Foundation
                    938: # gives unlimited permission to copy and/or distribute it,
                    939: # with or without modifications, as long as this notice is preserved.
                    940: 
                    941: # AM_SILENT_RULES([DEFAULT])
                    942: # --------------------------
                    943: # Enable less verbose build rules; with the default set to DEFAULT
                    944: # ("yes" being less verbose, "no" or empty being verbose).
                    945: AC_DEFUN([AM_SILENT_RULES],
                    946: [AC_ARG_ENABLE([silent-rules], [dnl
                    947: AS_HELP_STRING(
                    948:   [--enable-silent-rules],
                    949:   [less verbose build output (undo: "make V=1")])
                    950: AS_HELP_STRING(
                    951:   [--disable-silent-rules],
                    952:   [verbose build output (undo: "make V=0")])dnl
                    953: ])
                    954: case $enable_silent_rules in @%:@ (((
                    955:   yes) AM_DEFAULT_VERBOSITY=0;;
                    956:    no) AM_DEFAULT_VERBOSITY=1;;
                    957:     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
                    958: esac
                    959: dnl
                    960: dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
                    961: dnl do not support nested variable expansions.
                    962: dnl See automake bug#9928 and bug#10237.
                    963: am_make=${MAKE-make}
                    964: AC_CACHE_CHECK([whether $am_make supports nested variables],
                    965:    [am_cv_make_support_nested_variables],
                    966:    [if AS_ECHO([['TRUE=$(BAR$(V))
                    967: BAR0=false
                    968: BAR1=true
                    969: V=1
                    970: am__doit:
                    971:        @$(TRUE)
                    972: .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
                    973:   am_cv_make_support_nested_variables=yes
                    974: else
                    975:   am_cv_make_support_nested_variables=no
                    976: fi])
                    977: if test $am_cv_make_support_nested_variables = yes; then
                    978:   dnl Using '$V' instead of '$(V)' breaks IRIX make.
                    979:   AM_V='$(V)'
                    980:   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
                    981: else
                    982:   AM_V=$AM_DEFAULT_VERBOSITY
                    983:   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
                    984: fi
                    985: AC_SUBST([AM_V])dnl
                    986: AM_SUBST_NOTMAKE([AM_V])dnl
                    987: AC_SUBST([AM_DEFAULT_V])dnl
                    988: AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
                    989: AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
                    990: AM_BACKSLASH='\'
                    991: AC_SUBST([AM_BACKSLASH])dnl
                    992: _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
                    993: ])
                    994: 
1.1.1.5 ! root      995: # Copyright (C) 2001-2014 Free Software Foundation, Inc.
1.1.1.3   root      996: #
                    997: # This file is free software; the Free Software Foundation
                    998: # gives unlimited permission to copy and/or distribute it,
                    999: # with or without modifications, as long as this notice is preserved.
                   1000: 
                   1001: # AM_PROG_INSTALL_STRIP
                   1002: # ---------------------
                   1003: # One issue with vendor 'install' (even GNU) is that you can't
                   1004: # specify the program used to strip binaries.  This is especially
                   1005: # annoying in cross-compiling environments, where the build's strip
                   1006: # is unlikely to handle the host's binaries.
                   1007: # Fortunately install-sh will honor a STRIPPROG variable, so we
                   1008: # always use install-sh in "make install-strip", and initialize
                   1009: # STRIPPROG with the value of the STRIP variable (set by the user).
                   1010: AC_DEFUN([AM_PROG_INSTALL_STRIP],
                   1011: [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
                   1012: # Installed binaries are usually stripped using 'strip' when the user
                   1013: # run "make install-strip".  However 'strip' might not be the right
                   1014: # tool to use in cross-compilation environments, therefore Automake
                   1015: # will honor the 'STRIP' environment variable to overrule this program.
                   1016: dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
                   1017: if test "$cross_compiling" != no; then
                   1018:   AC_CHECK_TOOL([STRIP], [strip], :)
                   1019: fi
                   1020: INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
                   1021: AC_SUBST([INSTALL_STRIP_PROGRAM])])
                   1022: 
1.1.1.5 ! root     1023: # Copyright (C) 2006-2014 Free Software Foundation, Inc.
1.1.1.3   root     1024: #
                   1025: # This file is free software; the Free Software Foundation
                   1026: # gives unlimited permission to copy and/or distribute it,
                   1027: # with or without modifications, as long as this notice is preserved.
                   1028: 
                   1029: # _AM_SUBST_NOTMAKE(VARIABLE)
                   1030: # ---------------------------
                   1031: # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
                   1032: # This macro is traced by Automake.
                   1033: AC_DEFUN([_AM_SUBST_NOTMAKE])
                   1034: 
                   1035: # AM_SUBST_NOTMAKE(VARIABLE)
                   1036: # --------------------------
                   1037: # Public sister of _AM_SUBST_NOTMAKE.
                   1038: AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
                   1039: 
                   1040: # Check how to create a tarball.                            -*- Autoconf -*-
                   1041: 
1.1.1.5 ! root     1042: # Copyright (C) 2004-2014 Free Software Foundation, Inc.
1.1.1.3   root     1043: #
                   1044: # This file is free software; the Free Software Foundation
                   1045: # gives unlimited permission to copy and/or distribute it,
                   1046: # with or without modifications, as long as this notice is preserved.
                   1047: 
                   1048: # _AM_PROG_TAR(FORMAT)
                   1049: # --------------------
                   1050: # Check how to create a tarball in format FORMAT.
                   1051: # FORMAT should be one of 'v7', 'ustar', or 'pax'.
                   1052: #
                   1053: # Substitute a variable $(am__tar) that is a command
                   1054: # writing to stdout a FORMAT-tarball containing the directory
                   1055: # $tardir.
                   1056: #     tardir=directory && $(am__tar) > result.tar
                   1057: #
                   1058: # Substitute a variable $(am__untar) that extract such
                   1059: # a tarball read from stdin.
                   1060: #     $(am__untar) < result.tar
                   1061: #
                   1062: AC_DEFUN([_AM_PROG_TAR],
                   1063: [# Always define AMTAR for backward compatibility.  Yes, it's still used
                   1064: # in the wild :-(  We should find a proper way to deprecate it ...
                   1065: AC_SUBST([AMTAR], ['$${TAR-tar}'])
                   1066: 
                   1067: # We'll loop over all known methods to create a tar archive until one works.
                   1068: _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
                   1069: 
                   1070: m4_if([$1], [v7],
                   1071:   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
                   1072: 
                   1073:   [m4_case([$1],
                   1074:     [ustar],
                   1075:      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
                   1076:       # There is notably a 21 bits limit for the UID and the GID.  In fact,
                   1077:       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
                   1078:       # and bug#13588).
                   1079:       am_max_uid=2097151 # 2^21 - 1
                   1080:       am_max_gid=$am_max_uid
                   1081:       # The $UID and $GID variables are not portable, so we need to resort
                   1082:       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
                   1083:       # below are definitely unexpected, so allow the users to see them
                   1084:       # (that is, avoid stderr redirection).
                   1085:       am_uid=`id -u || echo unknown`
                   1086:       am_gid=`id -g || echo unknown`
                   1087:       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
                   1088:       if test $am_uid -le $am_max_uid; then
                   1089:          AC_MSG_RESULT([yes])
                   1090:       else
                   1091:          AC_MSG_RESULT([no])
                   1092:          _am_tools=none
                   1093:       fi
                   1094:       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
                   1095:       if test $am_gid -le $am_max_gid; then
                   1096:          AC_MSG_RESULT([yes])
                   1097:       else
                   1098:         AC_MSG_RESULT([no])
                   1099:         _am_tools=none
                   1100:       fi],
                   1101: 
                   1102:   [pax],
                   1103:     [],
                   1104: 
                   1105:   [m4_fatal([Unknown tar format])])
                   1106: 
                   1107:   AC_MSG_CHECKING([how to create a $1 tar archive])
                   1108: 
                   1109:   # Go ahead even if we have the value already cached.  We do so because we
                   1110:   # need to set the values for the 'am__tar' and 'am__untar' variables.
                   1111:   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
                   1112: 
                   1113:   for _am_tool in $_am_tools; do
                   1114:     case $_am_tool in
                   1115:     gnutar)
                   1116:       for _am_tar in tar gnutar gtar; do
                   1117:         AM_RUN_LOG([$_am_tar --version]) && break
                   1118:       done
                   1119:       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
                   1120:       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
                   1121:       am__untar="$_am_tar -xf -"
                   1122:       ;;
                   1123:     plaintar)
                   1124:       # Must skip GNU tar: if it does not support --format= it doesn't create
                   1125:       # ustar tarball either.
                   1126:       (tar --version) >/dev/null 2>&1 && continue
                   1127:       am__tar='tar chf - "$$tardir"'
                   1128:       am__tar_='tar chf - "$tardir"'
                   1129:       am__untar='tar xf -'
                   1130:       ;;
                   1131:     pax)
                   1132:       am__tar='pax -L -x $1 -w "$$tardir"'
                   1133:       am__tar_='pax -L -x $1 -w "$tardir"'
                   1134:       am__untar='pax -r'
                   1135:       ;;
                   1136:     cpio)
                   1137:       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
                   1138:       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
                   1139:       am__untar='cpio -i -H $1 -d'
                   1140:       ;;
                   1141:     none)
                   1142:       am__tar=false
                   1143:       am__tar_=false
                   1144:       am__untar=false
                   1145:       ;;
                   1146:     esac
                   1147: 
                   1148:     # If the value was cached, stop now.  We just wanted to have am__tar
                   1149:     # and am__untar set.
                   1150:     test -n "${am_cv_prog_tar_$1}" && break
                   1151: 
                   1152:     # tar/untar a dummy directory, and stop if the command works.
                   1153:     rm -rf conftest.dir
                   1154:     mkdir conftest.dir
                   1155:     echo GrepMe > conftest.dir/file
                   1156:     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
                   1157:     rm -rf conftest.dir
                   1158:     if test -s conftest.tar; then
                   1159:       AM_RUN_LOG([$am__untar <conftest.tar])
                   1160:       AM_RUN_LOG([cat conftest.dir/file])
                   1161:       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
                   1162:     fi
                   1163:   done
                   1164:   rm -rf conftest.dir
                   1165: 
                   1166:   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
                   1167:   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
                   1168: 
                   1169: AC_SUBST([am__tar])
                   1170: AC_SUBST([am__untar])
                   1171: ]) # _AM_PROG_TAR
                   1172: 

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