From c551c3b18bab9710bc50ddacf866431f43e033f6 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Sun, 11 Nov 2012 21:29:27 +0100
Subject: [PATCH] configure: warn when en/disabling has no effect.
Print a warning for --enable- or --disable-something=pattern
does not match any component.
---
configure | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index e7738cdd70f..6904330183f 100755
--- a/configure
+++ b/configure
@@ -2222,7 +2222,9 @@ for opt do
is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
eval list=\$$(toupper $thing)_LIST
name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
- $action $(filter "$name" $list)
+ list=$(filter "$name" $list)
+ [ "$list" = "" ] && warn "Option $opt did not match anything"
+ $action $list
;;
--enable-?*|--disable-?*)
eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
--
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