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generated...
2007-08-05

(C) 2007 guidod
Download the M4 Source.

ac_cond_with_level

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Synopsis
AC_COND_WITH_LEVEL(PACKAGE [,DEFAULT [,YESLEVEL]])
, 
Version

2006-10-13

Author

Guido U. Draheim <guidod@gmx.de>

License

GPLWithACException
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts

Category

cryp.to ac-archive's Miscellaneous (released)

Documentation

actually used after an AC_ARG_WITH(PKG,...) option-directive, where AC_ARG_WITH is a part of the standard autoconf to define a `configure` --with-PKG option.

this macros works almost like AC_COND_WITH(PACKAGE [,DEFAULT]), but the definition is set to a numeric value. The level of a simple "yes" is given (or assumed "2" if absent), otherwise the level can be given in mnemonic names, being

1 = some
2 = many
3 = all
4 = extra
5 = extrasome more
6 = extramany muchmore much
7 = super everything
8 = ultra experimental
9 = insane

this macro is most handily it making Makefile.in/Makefile.am that have a set of with-level declarations, espcially optimization-levels

the $withval shell-variable is set for further examination (it carries the numeric value of the various mnemonics above)

M4 Source Code
AC_DEFUN([AC_COND_WITH_LEVEL],
[dnl the names to be defined...
pushdef([WITH_VAR],    patsubst(with_$1, -, _))dnl
pushdef([VAR_WITH],    patsubst(translit(with_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHOUT], patsubst(translit(without_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHVAL], patsubst(translit(withval_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHDEF], patsubst(translit(withdef_$1, [a-z], [A-Z]), -, _))dnl
AC_SUBST(VAR_WITH)
AC_SUBST(VAR_WITHOUT)
AC_SUBST(VAR_WITHVAL)
AC_SUBST(VAR_WITHDEF)
if test -z "$WITH_VAR"
   then WITH_VAR=`echo ifelse([$2], , no, [$2])`
fi
if test "$WITH_VAR" = "yes"
   then WITH_VAR=`echo ifelse([$3], , some, [$3])`
fi
if test "$WITH_VAR" != "no"; then
  VAR_WITH=    ; VAR_WITHOUT='#'
  case "$WITH_VAR" in
    9|9,*|ultrasome|ultrasome,*|insane)				withval=9
		VAR_WITHVAL=9 ;  VAR_WITHDEF="-D""VAR_WITH=9" ;;
    8|8,*|ultra|ultra,*|experimental) 				withval=8
                VAR_WITHVAL=8 ;  VAR_WITHDEF="-D""VAR_WITH=8" ;;
    7|7,*|muchmore|somemanymore|somemanymore,*|all)		withval=7
	        VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
    6|6,*|manymore|manymore,*|most) 				withval=6
                VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
    5|5,*|somemore|somemore,*|almost) 				withval=5
	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
    4|4,*|more|more,*) 						withval=4
		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
    3|3,*|much|somemany,*)					withval=3
		VAR_WITHVAL=3 ;  VAR_WITHDEF="-D""VAR_WITH=3" ;;
    2|2,*|many|many,*) 						withval=2
		VAR_WITHVAL=2 ;  VAR_WITHDEF="-D""VAR_WITH=2" ;;
    1|1,*|some|some,*) 						withval=1
		VAR_WITHVAL=1 ;  VAR_WITHDEF="-D""VAR_WITH=1" ;;
      *) 							withval=-
 	       AC_MSG_ERROR([dnl
 bad value of --with-$1 option, choose a number or some|many|more|all... ])
  esac
else								withval=0
  VAR_WITH='#' ;   VAR_WITHOUT=""
  VAR_WITHVAL=0 ;  VAR_WITHDEF=""
fi
popdef([VAR_WITH])dnl
popdef([VAR_WITHOUT])dnl
popdef([VAR_WITHVAL])dnl
popdef([VAR_WITHDEF])dnl
popdef([WITH_VAR])dnl
])

dnl and the same as AC_COND_WITH_LEVEL with an AC_DEFINE in the end...
AC_DEFUN([AC_COND_WITH_LEVEL_DEFINE],
[dnl the names to be defined...
pushdef([WITH_VAR],    patsubst(with_$1, -, _))dnl
pushdef([VAR_WITH],    patsubst(translit(with_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHOUT], patsubst(translit(without_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHVAL], patsubst(translit(withval_$1, [a-z], [A-Z]), -, _))dnl
pushdef([VAR_WITHDEF], patsubst(translit(withdef_$1, [a-z], [A-Z]), -, _))dnl
AC_SUBST(VAR_WITH)
AC_SUBST(VAR_WITHOUT)
AC_SUBST(VAR_WITHVAL)
AC_SUBST(VAR_WITHDEF)
if test -z "$WITH_VAR"
   then WITH_VAR=`echo ifelse([$2], , no, [$2])`
fi
if test "$WITH_VAR" = "yes"
   then WITH_VAR=`echo ifelse([$3], , some, [$3])`
fi
if test "$WITH_VAR" != "no"; then
  VAR_WITH=    ; VAR_WITHOUT='#'
  case "$WITH_VAR" in
    9|9,*|ultrasome|ultrasome,*|insane)				withval=9
		VAR_WITHVAL=9 ;  VAR_WITHDEF="-D""VAR_WITH=9" ;;
    8|8,*|ultra|ultra,*|experimental) 				withval=8
                VAR_WITHVAL=8 ;  VAR_WITHDEF="-D""VAR_WITH=8" ;;
    7|7,*|muchmore|somemanymore|somemanymore,*|all)		withval=7
	        VAR_WITHVAL=7 ;  VAR_WITHDEF="-D""VAR_WITH=7" ;;
    6|6,*|manymore|manymore,*|most) 				withval=6
                VAR_WITHVAL=6 ;  VAR_WITHDEF="-D""VAR_WITH=6" ;;
    5|5,*|somemore|somemore,*|almost) 				withval=5
	        VAR_WITHVAL=5 ;  VAR_WITHDEF="-D""VAR_WITH=5" ;;
    4|4,*|more|more,*) 						withval=4
		VAR_WITHVAL=4 ;  VAR_WITHDEF="-D""VAR_WITH=4" ;;
    3|3,*|much|somemany,*)					withval=3
		VAR_WITHVAL=3 ;  VAR_WITHDEF="-D""VAR_WITH=3" ;;
    2|2,*|many|many,*) 						withval=2
		VAR_WITHVAL=2 ;  VAR_WITHDEF="-D""VAR_WITH=2" ;;
    1|1,*|some|some,*) 						withval=1
		VAR_WITHVAL=1 ;  VAR_WITHDEF="-D""VAR_WITH=1" ;;
      *) 							withval=-
 	       AC_MSG_ERROR([dnl
 bad value of --with-$1 option, choose a number or some|many|more|all... ])
  esac
dnl -- the additional line is here --
  AC_DEFINE_UNQUOTED(VAR_WITH,$VAR_WITHVAL,"--with-$1=level")
else								withval=0
  VAR_WITH='#' ;   VAR_WITHOUT=""
  VAR_WITHVAL=0 ;  VAR_WITHDEF=""
fi
popdef([VAR_WITH])dnl
popdef([VAR_WITHOUT])dnl
popdef([VAR_WITHVAL])dnl
popdef([VAR_WITHDEF])dnl
popdef([WITH_VAR])dnl
])