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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
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<head>
<title>
Autoconf Macro: ac_cond_with_level
</title>
<link rel="stylesheet" type="text/css" href="ac-archive.css">
</head>
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M4 Source</a>
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<hr>
<h1>
ac_cond_with_level
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_COND_WITH_LEVEL(PACKAGE [,DEFAULT [,YESLEVEL]])</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
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.
</p>
<p>
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
</p>
<p>
this macro is most handily it making Makefile.in/Makefile.am that have a
set of with-level declarations, espcially optimization-levels
</p>
<p>
the $withval shell-variable is set for further examination (it carries the
numeric value of the various mnemonics above)
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Guido Draheim <guidod@gmx.de>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2003-10-29
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
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
])
</pre>
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