From 9221fb85f6f5dc97d5a4810c2e87e8882fa85f02 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Fri, 4 Nov 2011 12:12:20 +0100
Subject: build-sys: add tools/config-gen and basic compilation scenarios

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 tools/config-gen-functions.sh | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 tools/config-gen-functions.sh

(limited to 'tools/config-gen-functions.sh')

diff --git a/tools/config-gen-functions.sh b/tools/config-gen-functions.sh
new file mode 100644
index 000000000..4f0e575f6
--- /dev/null
+++ b/tools/config-gen-functions.sh
@@ -0,0 +1,33 @@
+#
+# Copyright (C) 2011 Karel Zak <kzak@redhat.com> 
+#
+
+
+# Returns configure options from selected config file
+#
+#    ul_get_configuration <config-file>
+#
+# for example
+#
+#    ul_get_configuration $top_srcdir/tools/config-gen.d/all
+#
+function ul_get_configuration {
+	local conf="$1"
+	local dir=$(dirname $1)
+	local opts=$(cat $conf)
+	local old_opts=
+
+	while [ "$opts" != "$old_opts" ]; do
+		local new_opts=
+
+		old_opts="$opts"
+		for citem in $opts; do
+			case $citem in
+			include:*) new_opts="$new_opts $(cat $dir/${citem##*:})" ;;
+			*) new_opts="$new_opts $citem" ;;
+			esac
+		done
+		opts="$new_opts"
+	done
+	echo $opts | tr " " "\n" | sort -u
+}
-- 
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