strip kernel modules more aggressively: make all global symbols local, rename all...

[openwrt/openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 53891eaa9759669a56192a2bb29ba5f919f07f5a..79a2a9fa48cf8d44a50830491c12a7ae01082975 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -106,7 +106,7 @@ TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 BUILD_LOG_DIR:=$(TOPDIR)/logs
 
-TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
+TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
@@ -128,7 +128,7 @@ ifndef DUMP
     -include $(TOOLCHAIN_DIR)/info.mk
     export GCC_HONOUR_COPTS:=0
     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
-    TARGET_CFLAGS+= -fhonour-copts
+    TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
@@ -148,7 +148,7 @@ ifndef DUMP
       ifneq ($(TOOLCHAIN_LIB_DIRS),)
         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
       endif
-      TOOLCHAIN_DIR:=$(TOOLCHAIN_ROOT_DIR)
+      TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
     endif
   endif
 endif
@@ -170,6 +170,7 @@ PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 export PKG_CONFIG
 
 HOSTCC:=gcc
+HOSTCC_NOCACHE:=$(HOSTCC)
 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 
@@ -188,6 +189,7 @@ INSTALL_CONF:=install -m0600
 ifneq ($(CONFIG_CCACHE),)
   TARGET_CC:= ccache $(TARGET_CC)
   TARGET_CXX:= ccache $(TARGET_CXX)
+  HOSTCC:= ccache $(HOSTCC)
 endif
 
 TARGET_CONFIGURE_OPTS = \
@@ -217,9 +219,10 @@ else
     endif
   endif
   RSTRIP:= \
+    export CROSS="$(TARGET_CROSS)"; \
     NM="$(TARGET_CROSS)nm" \
     STRIP="$(STRIP)" \
-    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded -R .comment -R .pdr -R .mdebug.abi32 -R .note.gnu.build-id -R .gnu.attributes -R .reginfo -x" \
+    STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
     $(SCRIPT_DIR)/rstrip.sh
 endif