X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=scripts%2Fbuild-whitelist.sh;h=f169eaa3b23e2eabcf35e827ba6e03881cd61365;hb=5b8e76c35ec312a3f73126bd1a2d2c0965b98a9f;hp=7cf7a668c16ae7b84a078956bd453df0735d699a;hpb=a7a97fddb390b998449264a005ce32a95dfd068b;p=platform%2Fkernel%2Fu-boot.git

diff --git a/scripts/build-whitelist.sh b/scripts/build-whitelist.sh
index 7cf7a66..f169eaa 100755
--- a/scripts/build-whitelist.sh
+++ b/scripts/build-whitelist.sh
@@ -45,7 +45,18 @@ cat `find . -name "Kconfig*"` |sed -n \
 
 # Use only the options that are present in the first file but not the second.
 comm -23 scripts/config_whitelist.txt.tmp1 scripts/config_whitelist.txt.tmp2 \
-	|sort |uniq >scripts/config_whitelist.txt
-rm scripts/config_whitelist.txt.tmp1 scripts/config_whitelist.txt.tmp2
+	|sort |uniq >scripts/config_whitelist.txt.tmp3
+
+# If scripts/config_whitelist.txt already exists, take the intersection of the
+# current list and the new one.  We do not want to increase whitelist options.
+if [ -r scripts/config_whitelist.txt ]; then
+	comm -12 scripts/config_whitelist.txt.tmp3 scripts/config_whitelist.txt \
+		> scripts/config_whitelist.txt.tmp4
+	mv scripts/config_whitelist.txt.tmp4 scripts/config_whitelist.txt
+else
+	mv scripts/config_whitelist.txt.tmp3 scripts/config_whitelist.txt
+fi
+
+rm scripts/config_whitelist.txt.tmp*
 
 unset LC_ALL LC_COLLATE