acgeneral.m4

这是一个自动生成MAKEFILE的工具。在LINUX工程项目里是很好的帮手。希望对大家有点帮助。

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix="$ac_optarg" ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix="$ac_optarg" ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name="$ac_optarg" ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
  | --sbi=* | --sb=*)
    sbindir="$ac_optarg" ;;

  -sharedstatedir | --sharedstatedir | --sharedstatedi \
  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
  | --sharedst | --shareds | --shared | --share | --shar \
  | --sha | --sh)
    ac_prev=sharedstatedir ;;
  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
  | --sha=* | --sh=*)
    sharedstatedir="$ac_optarg" ;;

  -site | --site | --sit)
    ac_prev=site ;;
  -site=* | --site=* | --sit=*)
    site="$ac_optarg" ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
    srcdir="$ac_optarg" ;;

  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
  | --syscon | --sysco | --sysc | --sys | --sy)
    ac_prev=sysconfdir ;;
  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
    sysconfdir="$ac_optarg" ;;

  -target | --target | --targe | --targ | --tar | --ta | --t)
    ac_prev=target ;;
  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
    target="$ac_optarg" ;;

  -v | -verbose | --verbose | --verbos | --verbo | --verb)
    verbose=yes ;;

  -version | --version | --versio | --versi | --vers)
    echo "configure generated by autoconf version AC_ACVERSION"
    exit 0 ;;

  -with-* | --with-*)
    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
    # Reject names that are not valid shell variable names.
changequote(, )dnl
    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
changequote([, ])dnl
      AC_MSG_ERROR($ac_package: invalid package name)
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "with_${ac_package}='$ac_optarg'" ;;

  -without-* | --without-*)
    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
    # Reject names that are not valid shell variable names.
changequote(, )dnl
    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
changequote([, ])dnl
      AC_MSG_ERROR($ac_package: invalid package name)
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    eval "with_${ac_package}=no" ;;

  --x)
    # Obsolete; use --with-x.
    with_x=yes ;;

  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
  | --x-incl | --x-inc | --x-in | --x-i)
    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
    x_includes="$ac_optarg" ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
    x_libraries="$ac_optarg" ;;

  -*) AC_MSG_ERROR([$ac_option: invalid option; use --help to show usage])
    ;;

  *)
changequote(, )dnl
    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
changequote([, ])dnl
      AC_MSG_WARN($ac_option: invalid host type)
    fi
    if test "x$nonopt" != xNONE; then
      AC_MSG_ERROR(can only configure for one host and one target at a time)
    fi
    nonopt="$ac_option"
    ;;

  esac
done

if test -n "$ac_prev"; then
  AC_MSG_ERROR(missing argument to --`echo $ac_prev | sed 's/_/-/g'`)
fi
])

dnl Try to have only one #! line, so the script doesn't look funny
dnl for users of AC_REVISION.
dnl AC_INIT_BINSH()
AC_DEFUN(AC_INIT_BINSH,
[#! /bin/sh
])

dnl AC_INIT(UNIQUE-FILE-IN-SOURCE-DIR)
AC_DEFUN(AC_INIT,
[sinclude(acsite.m4)dnl
sinclude(./aclocal.m4)dnl
AC_REQUIRE([AC_INIT_BINSH])dnl
AC_INIT_NOTICE
AC_DIVERT_POP()dnl to NORMAL
AC_DIVERT_PUSH(AC_DIVERSION_INIT)dnl
AC_INIT_PARSE_ARGS
AC_INIT_PREPARE($1)dnl
AC_DIVERT_POP()dnl to NORMAL
])

dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
AC_DEFUN(AC_INIT_PREPARE,
[trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15

# File descriptor usage:
# 0 standard input
# 1 file creation
# 2 errors and warnings
# 3 some systems may open it to /dev/tty
# 4 used on the Kubota Titan
define(AC_FD_MSG, 6)dnl
[#] AC_FD_MSG checking for... messages and results
define(AC_FD_CC, 5)dnl
[#] AC_FD_CC compiler messages saved in config.log
if test "$silent" = yes; then
  exec AC_FD_MSG>/dev/null
else
  exec AC_FD_MSG>&1
fi
exec AC_FD_CC>./config.log

echo "\
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
" 1>&AC_FD_CC

# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
changequote(<<, >>)dnl
dnl If you change this globbing pattern, test it on an old shell --
dnl it's sensitive.  Putting any kind of quote in it causes syntax errors.
  *" "*|*"	"*|*[\[\]\~\<<#>>\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
changequote([, ])dnl
  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# Only set these to C if already set.  These must not be set unconditionally
# because not all systems understand e.g. LANG=C (notably SCO).
# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
# Non-C LC_CTYPE values break the ctype check.
if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi

# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h

# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=$1

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then its parent.
  ac_prog=[$]0
changequote(, )dnl
  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
changequote([, ])dnl
  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
else
  ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test "$ac_srcdir_defaulted" = yes; then
    AC_MSG_ERROR(can not find sources in $ac_confdir or ..)
  else
    AC_MSG_ERROR(can not find sources in $srcdir)
  fi
fi
dnl Double slashes in pathnames in object file debugging info
dnl mess up M-x gdb in Emacs.
changequote(, )dnl
srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
changequote([, ])dnl

dnl Let the site file select an alternate cache file if it wants to.
AC_SITE_LOAD
AC_CACHE_LOAD
AC_LANG_C
dnl By default always use an empty string as the executable
dnl extension.  Only change it if the script calls AC_EXEEXT.
ac_exeext=
dnl By default assume that objects files use an extension of .o.  Only
dnl change it if the script calls AC_OBJEXT.
ac_objext=o
AC_PROG_ECHO_N
dnl Substitute for predefined variables.
AC_SUBST(SHELL)dnl
AC_SUBST(CFLAGS)dnl
AC_SUBST(CPPFLAGS)dnl
AC_SUBST(CXXFLAGS)dnl
AC_SUBST(FFLAGS)dnl
AC_SUBST(DEFS)dnl
AC_SUBST(LDFLAGS)dnl
AC_SUBST(LIBS)dnl
AC_SUBST(exec_prefix)dnl
AC_SUBST(prefix)dnl
AC_SUBST(program_transform_name)dnl
dnl Installation directory options.
AC_SUBST(bindir)dnl
AC_SUBST(sbindir)dnl
AC_SUBST(libexecdir)dnl
AC_SUBST(datadir)dnl
AC_SUBST(sysconfdir)dnl
AC_SUBST(sharedstatedir)dnl
AC_SUBST(localstatedir)dnl
AC_SUBST(libdir)dnl
AC_SUBST(includedir)dnl
AC_SUBST(oldincludedir)dnl
AC_SUBST(infodir)dnl
AC_SUBST(mandir)dnl
])


dnl ### Selecting optional features


dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_ARG_ENABLE,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_help="$ac_help
[$2]"
AC_DIVERT_POP()dnl
[#] Check whether --enable-[$1] or --disable-[$1] was given.
if test "[${enable_]patsubst([$1], -, _)+set}" = set; then
  enableval="[$enable_]patsubst([$1], -, _)"
  ifelse([$3], , :, [$3])
ifelse([$4], , , [else
  $4
])dnl
fi
])

AC_DEFUN(AC_ENABLE,
[AC_OBSOLETE([$0], [; instead use AC_ARG_ENABLE])dnl
AC_ARG_ENABLE([$1], [  --enable-$1], [$2], [$3])dnl
])


dnl ### Working with optional software


dnl AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
AC_DEFUN(AC_ARG_WITH,
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
ac_help="$ac_help
[$2]"
AC_DIVERT_POP()dnl
[#] Check whether --with-[$1] or --without-[$1] was given.
if test "[${with_]patsubst([$1], -, _)+set}" = set; then
  withval="[$with_]patsubst([$1], -, _)"
  ifelse([$3], , :, [$3])
ifelse([$4], , , [else
  $4
])dnl
fi
])

AC_DEFUN(AC_WITH,
[AC_OBSOLETE([$0], [; instead use AC_ARG_WITH])dnl
AC_ARG_WITH([$1], [  --with-$1], [$2], [$3])dnl
])


dnl ### Transforming program names.


dnl AC_ARG_PROGRAM()
AC_DEFUN(AC_ARG_PROGRAM,
[if test "$program_transform_name" = s,x,x,; then
  program_transform_name=
else
  # Double any \ or $.  echo might interpret backslashes.
  cat <<\EOF_SED > conftestsed
s,\\,\\\\,g; s,\$,$$,g
EOF_SED
  program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
  rm -f conftestsed
fi
test "$program_prefix" != NONE &&
  program_transform_name="s,^,${program_prefix},; $program_transform_name"
# Use a double $ so make ignores it.
test "$program_suffix" != NONE &&
  program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"

# sed with no file args requires a program.
test "$program_transform_name" = "" && program_transform_name="s,x,x,"
])


dnl ### Version numbers


dnl AC_REVISION(REVISION-INFO)
AC_DEFUN(AC_REVISION,
[AC_REQUIRE([AC_INIT_BINSH])dnl
[# From configure.in] translit([$1], $")])

dnl Subroutines of AC_PREREQ.

dnl Change the dots in NUMBER into commas.
dnl AC_PREREQ_SPLIT(NUMBER)
define(AC_PREREQ_SPLIT,
[translit($1, ., [, ])])

dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0).
dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY])
define(AC_PREREQ_CANON,
[$1, $2, ifelse([$3], , 0, [$3])])

dnl Complain and exit if version number 1 is less than version number 2.
dnl PRINTABLE2 is the printable version of version number 2.
dnl AC_PREREQ_COMPARE(MAJOR1, MINOR1, TERNARY1, MAJOR2, MINOR2, TERNARY2,
dnl                   PRINTABLE2)
define(AC_PREREQ_COMPARE,
[ifelse(builtin([eval],
[$3 + $2 * 1000 + $1 * 1000000 < $6 + $5 * 1000 + $4 * 1000000]), 1,
[errprint(dnl
FATAL ERROR: Autoconf version $7 or higher is required for this script
)m4exit(3)])])

dnl Complain and exit if the Autoconf version is less than VERSION.
dnl AC_PREREQ(VERSION)
define(AC_PREREQ,
[AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])])


dnl ### Getting the canonical system type


dnl Find install-sh, config.sub, config.guess, and Cygnus configure
dnl in directory DIR.  These are auxiliary files used in configuration.
dnl DIR can be either absolute or relative to $srcdir.
dnl AC_CONFIG_AUX_DIR(DIR)