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AC_DEFUN([FLA_REQUIRE_GNU_BASH],
[
dnl Output a message saying we're going to check for GNU bash.
AC_MSG_CHECKING([[for GNU bash]])
dnl Check the cache for the result. If it's not result is not yet cached,
dnl execute the shell code to set the cache-id (ie: look for bash).
AC_CACHE_VAL([_cv_gnu_bash_command],
[
dnl Initialize the cache-id to null.
_cv_gnu_bash_command='';
dnl Check that some version of bash is present.
dnl If bash is not present, then output an error message.
if ( sh -c "bash --version" 2> /dev/null | grep GNU 2>&1 > /dev/null ); then
_cv_gnu_bash_command='bash';
fi
])
dnl Now that we've checked for GNU bash, let's determine the result of the
dnl macro and report and error if bash was not found.
if test "$_cv_gnu_bash_command" = "bash" ; then
AC_MSG_RESULT([[bash]])
else
AC_MSG_RESULT([[not found!]])
AC_MSG_ERROR([[Could not locate GNU bash! Bailing out...]],[1])
fi
])
|
