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linux: strip installed modules

The installed kernel modules should have useless build cruft stripped out
of them.  On my system, a default build went from a very unreasonable 30MB
to a normal 3MB (on disk) and from 14MB to 3MB when compressed due to the
info stored in the kernel modules alone.

[Peter: don't hardcode binutils strip specific options]
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Mike Frysinger 14 vuotta sitten
vanhempi
commit
8101c9a357
1 muutettua tiedostoa jossa 3 lisäystä ja 0 poistoa
  1. 3 0
      Makefile

+ 3 - 0
Makefile

@@ -418,6 +418,9 @@ ifneq ($(BR2_HAVE_DOCUMENTATION),y)
 	rm -rf $(TARGET_DIR)/usr/share/gtk-doc
 	rm -rf $(TARGET_DIR)/usr/share/gtk-doc
 endif
 endif
 	find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIPCMD) 2>/dev/null || true
 	find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIPCMD) 2>/dev/null || true
+	find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
+		xargs -r $(STRIPCMD) -R .comment -R .note -g --strip-unneeded
+
 	mkdir -p $(TARGET_DIR)/etc
 	mkdir -p $(TARGET_DIR)/etc
 	# Mandatory configuration file and auxilliary cache directory
 	# Mandatory configuration file and auxilliary cache directory
 	# for recent versions of ldconfig
 	# for recent versions of ldconfig