make_single_applets.sh: fix for BSS trick

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/make_single_applets.sh b/make_single_applets.sh
index 2075cb9a7..a37168cdf 100755
--- a/make_single_applets.sh
+++ b/make_single_applets.sh
@@ -72,6 +72,16 @@ for app; do
                 echo "NUM_APPLETS != 1 for ${app}: `cat include/NUM_APPLETS.h`"
                 mv .config busybox_config_${app}
         else
+                if grep -q 'use larger COMMON_BUFSIZE' busybox_make_${app}.log; then
+                        # FEATURE_USE_BSS_TAIL=y is selected, and build system
+                        # recommends rebuilding. Do so, and print some
+                        # debug info to see whether it works right:
+                        tail -n1 busybox_make_${app}.log
+                        nm busybox_unstripped | grep ' _end'
+                        make >/dev/null 2>&1
+                        nm busybox_unstripped | grep ' _end'
+                        grep ^bb_common_bufsiz1 busybox_unstripped.map
+                fi
                 grep -i -e error: -e warning: busybox_make_${app}.log \
                 || rm busybox_make_${app}.log
                 mv busybox busybox_${app}