27 lines
1.0 KiB
Plaintext
27 lines
1.0 KiB
Plaintext
dnl ######################################################################
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dnl New versions of the cache functions which also dynamically evaluate the
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dnl cache-id field, so that it may contain shell variables to expand
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dnl dynamically for the creation of $ac_cv_* variables on the fly.
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dnl In addition, this function allows you to call COMMANDS which generate
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dnl output on the command line, because it prints its own AC_MSG_CHECKING
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dnl after COMMANDS are run.
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dnl
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dnl ======================================================================
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dnl AMU_CACHE_CHECK_DYNAMIC(MESSAGE, CACHE-ID, COMMANDS)
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define(AMU_CACHE_CHECK_DYNAMIC,
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[
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ac_tmp=`echo $2`
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if eval "test \"`echo '$''{'$ac_tmp'+set}'`\" = set"; then
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AC_MSG_CHECKING([$1])
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echo $ECHO_N "(cached) $ECHO_C" 1>&AS_MESSAGE_FD([])
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dnl XXX: for older autoconf versions
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dnl echo $ac_n "(cached) $ac_c" 1>&AS_MESSAGE_FD([])
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else
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$3
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AC_MSG_CHECKING([$1])
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fi
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ac_tmp_val=`eval eval "echo '$''{'$ac_tmp'}'"`
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AC_MSG_RESULT($ac_tmp_val)
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])
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dnl ======================================================================
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