From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat, 28 Jan 2012 04:46:41 +0000 (+0000)
Subject: [backfire] toolchain: relocate gcc, binutils and tools from /usr/ prefix to / - fixes... 
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;hb=2ff661a8c2ea5f90a19e663ae334ee6250395565

[backfire] toolchain: relocate gcc, binutils and tools from /usr/ prefix to / - fixes implicit search path of libc


SVN-Revision: 29933
---

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 60ca5a20ba..7a8f027192 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -409,8 +409,8 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   endef
 
   define Package/libstdcpp/install
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(TOOLCHAIN_DIR)/usr/lib/libstdc++.so.* $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(TOOLCHAIN_DIR)/lib/libstdc++.so.* $(1)/lib/
   endef
 
   use_libutil=$(if $(CONFIG_USE_GLIBC)$(CONFIG_EGLIBC_OPTION_EGLIBC_UTMP),libutil)
@@ -454,11 +454,11 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   endef
 
   define Package/libc/install_lib
-	$(CP) $(filter-out %/libdl_pic.a %/libpthread_pic.a %/libresolv_pic.a,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/lib*.a)) $(1)/lib/
-	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/libc_so.a),$(CP) $(TOOLCHAIN_DIR)/usr/lib/libc_so.a $(1)/lib/libc_pic.a)
-	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.map), \
-		$(CP) $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc_pic.a $(1)/lib/libgcc_s_pic.a; \
-		$(CP) $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.map $(1)/lib/libgcc_s_pic.map \
+	$(CP) $(filter-out %/libdl_pic.a %/libpthread_pic.a %/libresolv_pic.a,$(wildcard $(TOOLCHAIN_DIR)/lib/lib*.a)) $(1)/lib/
+	$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libc_so.a),$(CP) $(TOOLCHAIN_DIR)/lib/libc_so.a $(1)/lib/libc_pic.a)
+	$(if $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.map), \
+		$(CP) $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc_pic.a $(1)/lib/libgcc_s_pic.a; \
+		$(CP) $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.map $(1)/lib/libgcc_s_pic.map \
 	)
   endef
 
@@ -469,7 +469,7 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   endef
 
   define Package/libpthread/install_lib
-	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/libpthread_so.a),$(CP) $(TOOLCHAIN_DIR)/usr/lib/libpthread_so.a $(1)/lib/libpthread_pic.a)
+	$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libpthread_so.a),$(CP) $(TOOLCHAIN_DIR)/lib/libpthread_so.a $(1)/lib/libpthread_pic.a)
   endef
 
   define Package/librt/install
@@ -479,8 +479,8 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   endef
 
   define Package/ldd/install
-	$(INSTALL_DIR) $(1)/usr/bin/
-	$(CP) $(TOOLCHAIN_DIR)/usr/bin/ldd $(1)/usr/bin/
+	$(INSTALL_DIR) $(1)/bin/
+	$(CP) $(TOOLCHAIN_DIR)/bin/ldd $(1)/bin/
   endef
 
   define Package/ldconfig/install
diff --git a/rules.mk b/rules.mk
index 49c57d23a5..aeb548c2b1 100644
--- a/rules.mk
+++ b/rules.mk
@@ -111,7 +111,7 @@ TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
-LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a)
+LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 
 ifndef DUMP
@@ -119,9 +119,9 @@ ifndef DUMP
     -include $(TOOLCHAIN_DIR)/info.mk
     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
     TARGET_CFLAGS+= -fhonour-copts
-    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
-    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
-    TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
+    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
+    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/lib
+    TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
   else
     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index 94c1d1edab..2b1e3620fe 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -31,7 +31,7 @@ include $(INCLUDE_DIR)/toolchain-build.mk
 
 BINUTILS_CONFIGURE:= \
 	./configure \
-		--prefix=$(TOOLCHAIN_DIR)/usr \
+		--prefix=$(TOOLCHAIN_DIR) \
 		--build=$(GNU_HOST_NAME) \
 		--host=$(GNU_HOST_NAME) \
 		--target=$(REAL_GNU_TARGET_NAME) \
@@ -77,7 +77,7 @@ endef
 
 define Host/Install
 	$(MAKE) -C $(HOST_BUILD_DIR) install
-	$(CP) $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-readelf $(REAL_STAGING_DIR_HOST)/bin/readelf
+	$(CP) $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-readelf $(REAL_STAGING_DIR_HOST)/bin/readelf
 endef
 
 define Host/Clean
diff --git a/toolchain/eglibc/Makefile b/toolchain/eglibc/Makefile
index 822309d058..4cc22200b2 100644
--- a/toolchain/eglibc/Makefile
+++ b/toolchain/eglibc/Makefile
@@ -59,10 +59,10 @@ EGLIBC_CONFIGURE:= \
 	CFLAGS="$(EGLIBC_CFLAGS)" \
 	libc_cv_slibdir="/lib" \
 	$(HOST_BUILD_DIR)/libc/configure \
-		--prefix=/usr \
+		--prefix= \
 		--build=$(GNU_HOST_NAME) \
 		--host=$(REAL_GNU_TARGET_NAME) \
-		--with-headers=$(TOOLCHAIN_DIR)/usr/include \
+		--with-headers=$(TOOLCHAIN_DIR)/include \
 		--disable-profile \
 		--without-gd \
 		--without-cvs \
@@ -99,7 +99,7 @@ define Stage1/Compile
 endef
 
 define Stage1/Install
-	mkdir -p $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/{include,lib}
+	mkdir -p $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/{include,lib}
 	$(EGLIBC_MAKE) -C $(HOST_BUILD_DIR1) \
 		install_root="$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev" \
 		install-bootstrap-headers=yes \
@@ -107,10 +107,10 @@ define Stage1/Install
 	$(EGLIBC_MAKE) -C $(HOST_BUILD_DIR1) \
 		csu/subdir_lib
 	( cd $(HOST_BUILD_DIR1); \
-		$(CP) csu/crt1.o csu/crti.o csu/crtn.o $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/lib/ \
+		$(CP) csu/crt1.o csu/crti.o csu/crtn.o $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/lib/ \
 	)
 	$(TARGET_CC) -nostdlib -nostartfiles -shared -x c /dev/null \
-		-o $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/lib/libc.so
+		-o $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/lib/libc.so
 endef
 
 define Stage2/Configure
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index 315a55d047..ba0feb7139 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -71,7 +71,7 @@ export libgcc_cv_fixed_point=no
 GCC_CONFIGURE:= \
 	SHELL="$(BASH)" \
 	$(HOST_BUILD_DIR)/configure \
-		--prefix=$(TOOLCHAIN_DIR)/usr \
+		--prefix=$(TOOLCHAIN_DIR) \
 		--build=$(GNU_HOST_NAME) \
 		--host=$(GNU_HOST_NAME) \
 		--target=$(REAL_GNU_TARGET_NAME) \
@@ -201,7 +201,7 @@ define Stage1/Install
 		$(if $(GCC_BUILD_TARGET_LIBGCC),install-target-libgcc)
 	
 	# XXX: glibc insists on linking against libgcc_eh
-	( cd $(TOOLCHAIN_DIR)/usr/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION) ; \
+	( cd $(TOOLCHAIN_DIR)/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION) ; \
 		[ -e libgcc_eh.a ] || ln -sf libgcc.a libgcc_eh.a ; \
 		cp libgcc.a libgcc_initial.a; \
 	)
@@ -209,13 +209,13 @@ endef
 
 
 define Stage2/Configure
-	mkdir -p $(HOST_BUILD_DIR2) $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)
+	mkdir -p $(HOST_BUILD_DIR2) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)
 	# Important!  Required for limits.h to be fixed.
-	rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
-	ln -sf ../include $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
-	rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
-	ln -sf ../lib $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
-	$(if $(CONFIG_mips64)$(CONFIG_mips64el)$(CONFIG_x86_64),ln -sf ../lib64 $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64)
+	rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+	ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+	rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+	ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+	$(if $(CONFIG_mips64)$(CONFIG_mips64el)$(CONFIG_x86_64),ln -sf ../lib64 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib64)
 	(cd $(HOST_BUILD_DIR2); rm -f config.cache; \
 		$(GCC_CONFIGURE_STAGE2) \
 	);
@@ -226,15 +226,15 @@ define Stage2/Compile
 endef
 
 define SetupExtraArch
-	for app in $(TOOLCHAIN_DIR)/usr/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
+	for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
 		[ -e $$$$app ] || continue; \
 		old_base=$$$$(basename $$$$app); \
 		new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
 		sed -e "s/@CC_BASE@/$$$$old_base/" \
 			-e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
 			 ./files/alternate-arch-cc.in > \
-			 $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
-		chmod a+x $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
+			 $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
+		chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
 	done
 endef
 
@@ -242,7 +242,7 @@ define Stage2/Install
 	$(_SINGLE)$(GCC_MAKE) -C $(HOST_BUILD_DIR2) install
 	# Set up the symlinks to enable lying about target name.
 	set -e; \
-	(cd $(TOOLCHAIN_DIR)/usr; \
+	(cd $(TOOLCHAIN_DIR); \
 		ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
 		cd bin; \
 		for app in $(REAL_GNU_TARGET_NAME)-* ; do \
@@ -295,9 +295,9 @@ define Host/Clean
 		$(HOST_BUILD_DIR1) \
 		$(HOST_BUILD_DIR2) \
 		$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
-		$(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME) \
-		$(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gc* \
-		$(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-c*
+		$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
+		$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
+		$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
 endef
 
 $(eval $(call HostBuild))
diff --git a/toolchain/gdb/Makefile b/toolchain/gdb/Makefile
index df4fe55a4a..b3838edeb7 100644
--- a/toolchain/gdb/Makefile
+++ b/toolchain/gdb/Makefile
@@ -38,17 +38,17 @@ define Host/Compile
 endef
 
 define Host/Install
-	mkdir -p $(TOOLCHAIN_DIR)/usr/bin
-	$(INSTALL_BIN) $(HOST_BUILD_DIR)/gdb/gdb $(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)gdb
-	ln -fs $(TARGET_CROSS)gdb $(TOOLCHAIN_DIR)/usr/bin/$(GNU_TARGET_NAME)-gdb
-	strip $(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)gdb
+	mkdir -p $(TOOLCHAIN_DIR)/bin
+	$(INSTALL_BIN) $(HOST_BUILD_DIR)/gdb/gdb $(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)gdb
+	ln -fs $(TARGET_CROSS)gdb $(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-gdb
+	strip $(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)gdb
 endef
 
 define Host/Clean
 	rm -rf \
 		$(HOST_BUILD_DIR) \
-		$(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)gdb \
-		$(TOOLCHAIN_DIR)/usr/bin/$(GNU_TARGET_NAME)-gdb
+		$(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)gdb \
+		$(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-gdb
 endef
 
 $(eval $(call HostBuild))
diff --git a/toolchain/glibc/Makefile b/toolchain/glibc/Makefile
index 5d56d4b98a..789ae842d6 100644
--- a/toolchain/glibc/Makefile
+++ b/toolchain/glibc/Makefile
@@ -57,10 +57,10 @@ GLIBC_CONFIGURE:= \
 	libc_cv_386_tls=yes \
 	libc_cv_slibdir="/lib" \
 	$(HOST_BUILD_DIR)/configure \
-		--prefix=/usr \
+		--prefix= \
 		--build=$(GNU_HOST_NAME) \
 		--host=$(REAL_GNU_TARGET_NAME) \
-		--with-headers="$(TOOLCHAIN_DIR)/usr/include" \
+		--with-headers="$(TOOLCHAIN_DIR)/include" \
 		$(if $(CONFIG_mips64)$(CONFIG_mips64el), --enable-kernel="2.6.0") \
 		--disable-debug \
 		--disable-profile \
@@ -111,11 +111,11 @@ define Stage1/Install
 		cross-compiling=yes \
 		install_root="$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev" \
 		install-headers
-	[ -f $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/include/bits/stdio_lim.h ] || \
+	[ -f $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/include/bits/stdio_lim.h ] || \
 		$(CP) $(HOST_BUILD_DIR1)/bits/stdio_lim.h \
-			$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/include/bits/stdio_lim.h
-	[ -f $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/include/gnu/stubs.h ] || \
-		touch $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/usr/include/gnu/stubs.h
+			$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/include/bits/stdio_lim.h
+	[ -f $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/include/gnu/stubs.h ] || \
+		touch $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/include/gnu/stubs.h
 endef
 
 define Stage2/Configure
diff --git a/toolchain/insight/Makefile b/toolchain/insight/Makefile
index e53635b274..b71e0fd96f 100644
--- a/toolchain/insight/Makefile
+++ b/toolchain/insight/Makefile
@@ -24,7 +24,7 @@ define Host/Configure
 		gdb_cv_func_sigsetjmp=yes \
 		CFLAGS="-O2" \
 		$(HOST_BUILD_DIR)/configure \
-		--prefix=$(TOOLCHAIN_DIR)/usr \
+		--prefix=$(TOOLCHAIN_DIR) \
 		--build=$(GNU_HOST_NAME) \
 		--host=$(GNU_HOST_NAME) \
 		--target=$(REAL_GNU_TARGET_NAME) \
@@ -39,17 +39,17 @@ define Host/Compile
 endef
 
 define Host/Install
-	mkdir -p $(TOOLCHAIN_DIR)/usr/bin
-	$(INSTALL_BIN) $(HOST_BUILD_DIR)/gdb/insight $(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)insight
-	ln -fs $(TARGET_CROSS)insight $(TOOLCHAIN_DIR)/usr/bin/$(GNU_TARGET_NAME)-insight
-	strip $(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)insight
+	mkdir -p $(TOOLCHAIN_DIR)/bin
+	$(INSTALL_BIN) $(HOST_BUILD_DIR)/gdb/insight $(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)insight
+	ln -fs $(TARGET_CROSS)insight $(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-insight
+	strip $(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)insight
 endef
 
 define Host/Clean
 	rm -rf \
 		$(HOST_BUILD_DIR) \
-		$(TOOLCHAIN_DIR)/usr/bin/$(TARGET_CROSS)insight \
-		$(TOOLCHAIN_DIR)/usr/bin/$(GNU_TARGET_NAME)-insight
+		$(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)insight \
+		$(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-insight
 endef
 
 $(eval $(call HostBuild))
diff --git a/toolchain/kernel-headers/Makefile b/toolchain/kernel-headers/Makefile
index 394e1d109b..8a280bd230 100644
--- a/toolchain/kernel-headers/Makefile
+++ b/toolchain/kernel-headers/Makefile
@@ -56,19 +56,19 @@ endef
 
 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
   define Host/Prepare/all
-	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
+	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
 	$(KMAKE) \
 		CROSS_COMPILE=$(TARGET_CROSS) \
-		INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
+		INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
 		headers_install
   endef
 else
   define Host/Prepare/all
-	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
-	cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
-	cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
-	cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
-	cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+	mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/include
+	cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
+	cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
+	cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
+	cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
   endef
 endif
 
@@ -77,17 +77,17 @@ define Host/Prepare/lzma
 	$(CP) \
 		$(HOST_BUILD_DIR)/include/asm-mips/asm.h \
 		$(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
-		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+		$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
 endef
 
 define Host/Prepare/post/cris
 	$(CP) \
 		$(HOST_BUILD_DIR)/include/linux/user.h \
 		$(HOST_BUILD_DIR)/include/linux/autoconf.h \
-		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
-	ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
-		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
-	$(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
+		$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
+	ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
+		$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
+	$(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
 endef
 
 define Host/Prepare/post/ubicom32
@@ -96,7 +96,7 @@ define Host/Prepare/post/ubicom32
 		$(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
 		$(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
 		$(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
-		$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+		$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
 endef
 
 define Host/Prepare/post/mips
diff --git a/toolchain/uClibc/Makefile b/toolchain/uClibc/Makefile
index deee154bb8..16d1ed847c 100644
--- a/toolchain/uClibc/Makefile
+++ b/toolchain/uClibc/Makefile
@@ -62,7 +62,7 @@ define Host/Prepare
 	$(call Host/Prepare/Default)
 	ln -snf $(PKG_NAME)-$(PKG_VERSION) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
 	$(GEN_CONFIG) > $(HOST_BUILD_DIR)/.config
-	$(SED) 's,^KERNEL_HEADERS=.*,KERNEL_HEADERS=\"$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include\",g' \
+	$(SED) 's,^KERNEL_HEADERS=.*,KERNEL_HEADERS=\"$(BUILD_DIR_TOOLCHAIN)/linux-dev/include\",g' \
 		-e 's,^.*UCLIBC_HAS_FPU.*,UCLIBC_HAS_FPU=$(if $(CONFIG_SOFT_FLOAT),n,y),g' \
 		-e 's,^.*UCLIBC_HAS_SOFT_FLOAT.*,UCLIBC_HAS_SOFT_FLOAT=$(if $(CONFIG_SOFT_FLOAT),y,n),g' \
 		-e 's,^.*UCLIBC_HAS_LFS.*,UCLIBC_HAS_LFS=$(if $(CONFIG_LARGEFILE),y,n),g' \
@@ -74,7 +74,7 @@ define Host/Prepare
 	$(MAKE) -C $(HOST_BUILD_DIR)/extra/config conf KBUILD_HAVE_NLS= HOSTCFLAGS="-DKBUILD_NO_NLS"
 	PATH='$(TARGET_PATH)' $(MAKE) -C $(HOST_BUILD_DIR) \
 		PREFIX="$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/" \
-		DEVEL_PREFIX=/usr/ \
+		DEVEL_PREFIX=/ \
 		RUNTIME_PREFIX="$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/" \
 		HOSTCC="$(HOSTCC)" \
 		CC="$(TARGET_CC)" \
@@ -89,7 +89,7 @@ endef
 
 UCLIBC_MAKE = PATH='$(TARGET_PATH)' $(MAKE) -C $(HOST_BUILD_DIR) \
 	$(TARGET_CONFIGURE_OPTS) \
-	DEVEL_PREFIX=/usr/ \
+	DEVEL_PREFIX=/ \
 	RUNTIME_PREFIX=/ \
 	HOSTCC="$(HOSTCC)" \
 	CPU_CFLAGS="$(TARGET_CFLAGS)" \
@@ -101,9 +101,8 @@ define Host/Compile
 	$(SED) 's,^CROSS=.*,CROSS=$(TARGET_CROSS),g' $(HOST_BUILD_DIR)/Rules.mak
 	$(UCLIBC_MAKE) PREFIX= all
 	$(UCLIBC_MAKE) PREFIX="$(TOOLCHAIN_DIR)/" install_runtime install_dev
-	ln -sf ../../lib/libc.so.0 $(TOOLCHAIN_DIR)/usr/lib/libc.so
-	$(CP) $(HOST_BUILD_DIR)/libc/libc_so.a $(TOOLCHAIN_DIR)/usr/lib/
-	$(CP) $(HOST_BUILD_DIR)/libpthread/*/libpthread_so.a $(TOOLCHAIN_DIR)/usr/lib/
+	$(CP) $(HOST_BUILD_DIR)/libc/libc_so.a $(TOOLCHAIN_DIR)/lib/
+	$(CP) $(HOST_BUILD_DIR)/libpthread/*/libpthread_so.a $(TOOLCHAIN_DIR)/lib/
 	( cd $(TOOLCHAIN_DIR) ; \
 		for d in lib usr/lib ; do \
 		  for f in libc.so libpthread.so libgcc_s.so ; do \
@@ -118,10 +117,9 @@ endef
 define Host/Install
 	$(UCLIBC_MAKE) PREFIX= utils
 	$(INSTALL_DIR) $(TOOLCHAIN_DIR)/bin
-	$(INSTALL_DIR) $(TOOLCHAIN_DIR)/usr/bin
 	$(INSTALL_BIN) \
 		$(HOST_BUILD_DIR)/utils/ldd \
-		$(TOOLCHAIN_DIR)/usr/bin/
+		$(TOOLCHAIN_DIR)/bin/
 	$(INSTALL_DIR) $(TOOLCHAIN_DIR)/sbin
 	$(INSTALL_BIN) \
 		$(HOST_BUILD_DIR)/utils/ldconfig \