lib: Install BPF objects as non-executable

The BPF/XDP objects installed into BPF_OBJECT_DIR are not meant to be
executed directly, so don't install them as executable. This should also
prevent find-debuginfo from stripping away their symbol table.

Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>

lib/common.mk

@@ -73,7 +73,7 @@ install: all install_local
 	install -m 0755 -d $(DESTDIR)$(SBINDIR)
 	install -m 0755 -d $(DESTDIR)$(BPF_OBJECT_DIR)
 	$(if $(USER_TARGETS),install -m 0755 $(USER_TARGETS) $(DESTDIR)$(SBINDIR))
-	$(if $(XDP_OBJ_INSTALL),install -m 0755 $(XDP_OBJ_INSTALL) $(DESTDIR)$(BPF_OBJECT_DIR))
+	$(if $(XDP_OBJ_INSTALL),install -m 0644 $(XDP_OBJ_INSTALL) $(DESTDIR)$(BPF_OBJECT_DIR))
 	$(if $(MAN_FILES),install -m 0755 -d $(DESTDIR)$(MANDIR)/man8)
 	$(if $(MAN_FILES),install -m 0644 $(MAN_FILES) $(DESTDIR)$(MANDIR)/man8)
 	$(if $(SCRIPTS_FILES),install -m 0755 -d $(DESTDIR)$(SCRIPTSDIR))

lib/libxdp/Makefile

@@ -54,7 +54,7 @@ install: all
 	$(Q)install -m 0644 $(LIB_HEADERS) $(DESTDIR)$(HDRDIR)/
 	$(Q)install -m 0644 $(PC_FILE) $(DESTDIR)$(LIBDIR)/pkgconfig/
 	$(Q)cp -fpR $(SHARED_LIBS) $(STATIC_LIBS) $(DESTDIR)$(LIBDIR)
-	$(Q)install -m 0755 $(XDP_OBJS) $(DESTDIR)$(BPF_OBJECT_DIR)
+	$(Q)install -m 0644 $(XDP_OBJS) $(DESTDIR)$(BPF_OBJECT_DIR)
 	$(if $(MAN_FILES),$(Q)install -m 0755 -d $(DESTDIR)$(MANDIR)/man3)
 	$(if $(MAN_FILES),$(Q)install -m 0644 $(MAN_FILES) $(DESTDIR)$(MANDIR)/man3)