perf: fix disabling BUILD_BPF_SKEL

The makefile uses ifdef to check, so the variable needs to be empty

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/devel/perf/Makefile b/package/devel/perf/Makefile
index c9b186cb8676ea63eeaceff74b359fbf8e8ecf7a..c89eb08958f3c678dc952c1a24c174945edeac08 100644 (file)
--- a/package/devel/perf/Makefile
+++ b/package/devel/perf/Makefile
@@ -59,7 +59,7 @@ MAKE_FLAGS = \
        NO_LIBCAP=1 \
        NO_JEVENTS=1 \
        NO_SHELLCHECK=1 \
-       BUILD_BPF_SKEL=0 \
+       BUILD_BPF_SKEL= \
        CROSS_COMPILE="$(TARGET_CROSS)" \
        CC="$(TARGET_CC)" \
        LD="$(TARGET_CROSS)ld" \