build system: fix for dash

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

diff --git a/scripts/gen_build_files.sh b/scripts/gen_build_files.sh
index 130269b..ac8ccb9 100755 (executable)
--- a/scripts/gen_build_files.sh
+++ b/scripts/gen_build_files.sh
@@ -18,14 +18,17 @@ generate()
        local src="$1" dst="$2" header="$3" insert="$4"
        #chk "${dst}"
        (
-               echo "${header}"
+               # need to use printf: different shells have inconsistent
+               # rules re handling of "\n" in their params,
+               # and ${insert} definitely contains "\n"
+               printf "%s\n" "${header}"
                if grep -qs '^INSERT$' "${src}"; then
                        sed -n '1,/^INSERT$/p' "${src}"
-                       echo "${insert}"
+                       printf "%s\n" "${insert}"
                        sed -n '/^INSERT$/,$p' "${src}"
                else
                        if [ -n "${insert}" ]; then
-                               echo "ERROR: INSERT line missing in: ${src}" 1>&2
+                               printf "%s\n" "ERROR: INSERT line missing in: ${src}" 1>&2
                        fi
                        cat "${src}"
                fi