[tools] slightly rework the gcc-4.3 checks, thanks {Nico}

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 1986097..5e44756 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,9 +1,10 @@
-# 
-# Copyright (C) 2006-2007 OpenWrt.org
+#
+# Copyright (C) 2006-2008 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
+# $Id$
 
 ifneq ($(__rules_inc),1)
 __rules_inc=1
@@ -23,43 +24,69 @@ $(strip $(subst ",,$(1)))
 endef
 #"))
 
+empty:=
+space:= $(empty) $(empty)
+merge=$(subst $(space),,$(1))
+confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
+
+_SINGLE=export MAKEFLAGS=$(space);
 ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
+LIBC:=$(call qstrip,$(CONFIG_LIBC))
+LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 
-OPTIMIZE_FOR_CPU=$(ARCH)
+OPTIMIZE_FOR_CPU=$(shell echo $(ARCH) | sed -e 's/i386/i486/')
+
+ifeq ($(ARCH),powerpc)
+  FPIC:=-fPIC
+else
+  FPIC:=-fpic
+endif
 
 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 BIN_DIR:=$(TOPDIR)/bin
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
-BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
-BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
-STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
+BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
+STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
-TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
-PACKAGE_DIR:=$(BIN_DIR)/packages/$(TARGET)
+TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
+PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
 STAMP_DIR:=$(BUILD_DIR)/stamp
 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
+DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
 
+TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
+TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
+
 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
   -include $(TOOLCHAIN_DIR)/info.mk
-  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
-  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc-)
+  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
+  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
+  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
+  TARGET_CFLAGS+= -fhonour-copts
 endif
 
-TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
-TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
-TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+ifeq ($(CONFIG_SOFT_FLOAT),y)
+SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
+TARGET_CFLAGS+=-msoft-float
+else
+SOFT_FLOAT_CONFIG_OPTION:=
+endif
 
 export PATH:=$(TARGET_PATH)
 export STAGING_DIR
@@ -76,6 +103,7 @@ HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 
 TARGET_CC:=$(TARGET_CROSS)gcc
+TARGET_CXX:=$(TARGET_CROSS)g++
 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
@@ -99,7 +127,7 @@ TARGET_CONFIGURE_OPTS:= \
   NM=$(TARGET_CROSS)nm \
   CC="$(TARGET_CC)" \
   GCC="$(TARGET_CC)" \
-  CXX=$(TARGET_CROSS)g++ \
+  CXX="$(TARGET_CXX)" \
   RANLIB=$(TARGET_CROSS)ranlib \
   STRIP=$(TARGET_CROSS)strip \
   OBJCOPY=$(TARGET_CROSS)objcopy \
@@ -107,11 +135,15 @@ TARGET_CONFIGURE_OPTS:= \
   SIZE=$(TARGET_CROSS)size
 
 # strip an entire directory
-RSTRIP:= \
-  NM="$(TARGET_CROSS)nm" \
-  STRIP="$(STRIP)" \
-  STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
-  $(SCRIPT_DIR)/rstrip.sh
+ifneq ($(CONFIG_NO_STRIP),)
+  RSTRIP:=:
+else
+  RSTRIP:= \
+    NM="$(TARGET_CROSS)nm" \
+    STRIP="$(STRIP)" \
+    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
+    $(SCRIPT_DIR)/rstrip.sh
+endif
 
 ifeq ($(CONFIG_ENABLE_LOCALE),true)
   DISABLE_NLS:=
@@ -138,11 +170,6 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
-empty:=
-space:= $(empty) $(empty)
-merge=$(subst $(space),,$(1))
-confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
-
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))