20 lines
679 B
Plaintext
20 lines
679 B
Plaintext
dnl $Id: argenable.m4,v 1.1 2004-08-24 18:40:21 rjkaes Exp $
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dnl
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dnl Define a new AC_ARG_ENABLE like macro which handles invalid inputs
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dnl correctly. The macro takes three arguments:
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dnl 1) the option name (used like --enable-option)
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dnl 2) the help string
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dnl 3) the default value (either yes or no)
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dnl
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dnl This macro also defines on variable in the form "option_enabled"
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dnl set to either "yes" or "no".
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dnl
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AC_DEFUN([TP_ARG_ENABLE],
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[AC_ARG_ENABLE([$1],
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AS_HELP_STRING([--enable-$1], [$2]),
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[case "${enableval}" in
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yes) $1_enabled=yes ;;
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no) $1_enabled=no ;;
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*) AC_MSG_ERROR([bad value ${enableval} for --enable-$1]) ;;
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esac],[$1_enabled=$3])])
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