diff options
Diffstat (limited to 'Rules.mak')
| -rw-r--r-- | Rules.mak | 53 |
1 files changed, 33 insertions, 20 deletions
@@ -21,22 +21,41 @@ # along with this program; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --include $(TOPDIR)Config +# If you are running a cross compiler, you may want to set this +# to something more interesting... Target architecture is determined +# by asking this compiler what arch it compiles stuff for. +CROSS= +CC = $(CROSS)gcc-3.2 +AR = $(CROSS)ar +LD = $(CROSS)ld +NM = $(CROSS)nm +STRIPTOOL = $(CROSS)strip +#STRIPTOOL = /bin/true + +# Select the compiler needed to build binaries for your development system +NATIVE_CC = gcc + # Be sure to update include/features.h when changing this... MAJOR_VERSION:=0 MINOR_VERSION:=9 SUBLEVEL:=15 VERSION:=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL) +export MAJOR_VERSION MINOR_VERSION SUBLEVEL VERSION - -LIBNAME:=libc.a SHARED_FULLNAME:=libuClibc-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so SHARED_MAJORNAME:=libc.so.$(MAJOR_VERSION) UCLIBC_LDSO:=ld-uClibc.so.$(MAJOR_VERSION) -LIBC:=$(TOPDIR)libc/libc.a +LIBNAME:=libc.a +LIBC:=$(TOPDIR)libc/$(LIBNAME) LIBGCC:=$(shell $(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name) +# Pull in the user's uClibc configuration +ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),) +include-config := 1 +-include $(TOPDIR).config +endif + # A nifty macro to make testing gcc features easier check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \ then echo "$(1)"; else echo "$(2)"; fi) @@ -45,7 +64,7 @@ check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; AWK:=$(shell if [ -x /usr/bin/nawk ]; then echo "/usr/bin/nawk"; \ else echo "/usr/bin/awk"; fi) -NATIVE_ARCH:= ${shell uname -m | sed \ +NATIVE_ARCH:= $(shell uname -m | sed \ -e 's/i.86/i386/' \ -e 's/sparc.*/sparc/' \ -e 's/arm.*/arm/g' \ @@ -54,9 +73,9 @@ NATIVE_ARCH:= ${shell uname -m | sed \ -e 's/v850.*/v850/g' \ -e 's/sh[234].*/sh/' \ -e 's/mips.*/mips/' \ - } + ) ifeq ($(strip $(TARGET_ARCH)),) -TARGET_ARCH:=${shell $(CC) -dumpmachine | sed -e s'/-.*//' \ +TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \ -e 's/i.86/i386/' \ -e 's/sparc.*/sparc/' \ -e 's/arm.*/arm/g' \ @@ -66,7 +85,7 @@ TARGET_ARCH:=${shell $(CC) -dumpmachine | sed -e s'/-.*//' \ -e 's/sh[234]/sh/' \ -e 's/mips.*/mips/' \ -e 's/cris.*/cris/' \ - } + ) endif # Ensure consistent filename sort order @@ -80,7 +99,7 @@ ifndef OPTIMIZATION # use '-Os' optimization if available, else use -O2, allow Config to override OPTIMIZATION:= -OPTIMIZATION+=${call check_gcc,-Os,-O2} +OPTIMIZATION+=$(call check_gcc,-Os,-O2) ifeq ($(strip $(TARGET_ARCH)),arm) OPTIMIZATION+=-fstrict-aliasing endif @@ -100,7 +119,7 @@ CFLAGS:=$(WARNINGS) $(OPTIMIZATION) -fno-builtin -nostdinc $(CPUFLAGS) \ -I$(TOPDIR)include -iwithprefix include -I. -D_LIBC $(ARCH_CFLAGS) NATIVE_CFLAGS:=-O2 -Wall -ifeq ($(strip $(DODEBUG)),true) +ifeq ($(strip $(DODEBUG)),y) CFLAGS += -g LDFLAGS:= -shared --warn-common --warn-once -z combreloc STRIPTOOL:= true -Since_we_are_debugging @@ -109,27 +128,21 @@ else LDFLAGS := -s -shared --warn-common --warn-once -z combreloc endif -ifeq ($(strip $(HAVE_SHARED)),true) - DOPIC:=true +ifeq ($(strip $(HAVE_SHARED)),y) LIBRARY_CACHE:=#-DUSE_CACHE - ifeq ($(strip $(BUILD_UCLIBC_LDSO)),true) + ifeq ($(strip $(BUILD_UCLIBC_LDSO)),y) LDSO:=$(TOPDIR)lib/$(UCLIBC_LDSO) DYNAMIC_LINKER:=$(SHARED_LIB_LOADER_PATH)/$(UCLIBC_LDSO) - BUILD_DYNAMIC_LINKER:=${shell cd $(TOPDIR) && pwd}/lib/$(UCLIBC_LDSO) + BUILD_DYNAMIC_LINKER:=$(shell cd $(TOPDIR) && pwd)/lib/$(UCLIBC_LDSO) else LDSO:=$(SYSTEM_LDSO) - BUILD_UCLIBC_LDSO:=false DYNAMIC_LINKER:=/lib/$(notdir $(SYSTEM_LDSO)) BUILD_DYNAMIC_LINKER:=/lib/$(notdir $(SYSTEM_LDSO)) endif endif -ifeq ($(strip $(DOPIC)),true) +ifeq ($(strip $(DOPIC)),y) CFLAGS += -fPIC endif -# Currently locale support requires wide char support. -ifeq ($(strip $(HAS_LOCALE)),true) - HAS_WCHAR:=true -endif # TARGET_PREFIX is the directory under which which the uClibc runtime # environment will be installed and used on the target system. The |