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Diffstat (limited to 'm4macros/argenable.m4')
| -rw-r--r-- | m4macros/argenable.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/m4macros/argenable.m4 b/m4macros/argenable.m4 new file mode 100644 index 0000000..ed5d7f0 --- /dev/null +++ b/m4macros/argenable.m4 @@ -0,0 +1,19 @@ +dnl $Id: argenable.m4,v 1.1 2004-08-24 18:40:21 rjkaes Exp $ +dnl +dnl Define a new AC_ARG_ENABLE like macro which handles invalid inputs +dnl correctly. The macro takes three arguments: +dnl 1) the option name (used like --enable-option) +dnl 2) the help string +dnl 3) the default value (either yes or no) +dnl +dnl This macro also defines on variable in the form "option_enabled" +dnl set to either "yes" or "no". +dnl +AC_DEFUN(TP_ARG_ENABLE, +[AC_ARG_ENABLE([$1], + AS_HELP_STRING([--enable-$1], [$2]), + [case "${enableval}" in + yes) $1_enabled=yes ;; + no) $1_enabled=no ;; + *) AC_MSG_ERROR([bad value ${enableval} for --enable-$1]) ;; + esac],[$1_enabled=$3])]) |