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authorDenys Vlasenko <vda.linux@googlemail.com>2010-05-17 22:24:17 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2010-05-17 22:24:17 (GMT)
commita1db8b8415cbac40c679a1ac11f90e97bf5a95f9 (patch)
tree575c5ed9917b0bc69f524641f401d57048d51d69
parent0e81e488fdec7d6b1d96439407b8a50737d35929 (diff)
downloadbusybox-a1db8b8415cbac40c679a1ac11f90e97bf5a95f9.tar.gz
busybox-a1db8b8415cbac40c679a1ac11f90e97bf5a95f9.tar.bz2
make scripts/gen_build_files.sh standard-clean
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rwxr-xr-xscripts/gen_build_files.sh13
1 files changed, 8 insertions, 5 deletions
diff --git a/scripts/gen_build_files.sh b/scripts/gen_build_files.sh
index 6982877..d2db907 100755
--- a/scripts/gen_build_files.sh
+++ b/scripts/gen_build_files.sh
@@ -1,7 +1,4 @@
#!/bin/sh
-# bashism:
-# "read -r" without variable name reads line into $REPLY
-# without stripping whitespace.
test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
@@ -18,7 +15,12 @@ find -type d | while read -r d; do
s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
echo "# DO NOT EDIT. This file is generated from Kbuild.src" >"$dst.$$.tmp"
- while read -r; do
+
+ # Why "IFS='' read -r REPLY"??
+ # This atrocity is needed to read lines without mangling.
+ # IFS='' prevents whitespace trimming,
+ # -r suppresses backslash handling.
+ while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"
@@ -38,7 +40,8 @@ find -type d | while read -r d; do
s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
echo "# DO NOT EDIT. This file is generated from Config.src" >"$dst.$$.tmp"
- while read -r; do
+
+ while IFS='' read -r REPLY; do
test x"$REPLY" = x"INSERT" && REPLY="$s"
printf "%s\n" "$REPLY"
done <"$src" >>"$dst.$$.tmp"