# your compiler is broken, you should not need to specify TARGET_ARCH
#
# Most people will set this stuff on the command line, i.e.
-# make CROSS=mipsel-linux-
-# will build uClibc for 'mipsel'.
+# make CROSS=arm-linux-
+# will build uClibc for 'arm'.
ifndef CROSS
CROSS=
NM= $(CROSS)nm
STRIPTOOL= $(CROSS)strip
+INSTALL= install
+LN= ln
+RM= rm -f
+
# Select the compiler needed to build binaries for your development system
HOSTCC=gcc
HOSTCFLAGS=-O2 -Wall
# this stuff alone.
MAJOR_VERSION:=0
MINOR_VERSION:=9
-SUBLEVEL:=19
+SUBLEVEL:=24
VERSION:=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL)
# Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
LC_ALL:= C
check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
then echo "$(1)"; else echo "$(2)"; fi)
-# check if we have nawk, otherwise user awk
-AWK:=$(shell if [ -x /usr/bin/nawk ]; then echo "/usr/bin/nawk"; \
- else echo "/usr/bin/awk"; fi)
-
-HOST_ARCH:= $(shell uname -m | sed \
- -e 's/i.86/i386/' \
- -e 's/sparc.*/sparc/' \
- -e 's/arm.*/arm/g' \
- -e 's/m68k.*/m68k/' \
- -e 's/ppc/powerpc/g' \
- -e 's/v850.*/v850/g' \
- -e 's/sh[234].*/sh/' \
- -e 's/mips.*/mips/' \
- )
-ifeq ($(strip $(TARGET_ARCH)),)
-TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \
- -e 's/i.86/i386/' \
- -e 's/sparc.*/sparc/' \
- -e 's/arm.*/arm/g' \
- -e 's/m68k.*/m68k/' \
- -e 's/ppc/powerpc/g' \
- -e 's/v850.*/v850/g' \
- -e 's/sh[234]/sh/' \
- -e 's/mips-.*/mips/' \
- -e 's/mipsel-.*/mipsel/' \
- -e 's/cris.*/cris/' \
- )
-endif
-export TARGET_ARCH
+# Make certain these contain a final "/", but no "//"s.
+TARGET_ARCH:=$(strip $(subst ",, $(strip $(TARGET_ARCH))))
+RUNTIME_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(RUNTIME_PREFIX))))))
+DEVEL_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(DEVEL_PREFIX))))))
+export RUNTIME_PREFIX DEVEL_PREFIX
ARFLAGS:=r
OPTIMIZATION:=
+PICFLAG:=-fPIC
# Some nice CPU specific optimizations
ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
OPTIMIZATION+=$(call check_gcc,-falign-jumps=0 -falign-loops=0,-malign-jumps=0 -malign-loops=0)
- CPU_CFLAGS-$(CONFIG_386):="-march=i386"
- CPU_CFLAGS-$(CONFIG_486):="-march=i486"
- CPU_CFLAGS-$(CONFIG_586):="-march=i586"
- CPU_CFLAGS-$(CONFIG_586MMX):="$(call check_gcc,-march=pentium-mmx,-march=i586)"
- CPU_CFLAGS-$(CONFIG_686):="-march=i686"
- CPU_CFLAGS-$(CONFIG_PENTIUMIII):="$(call check_gcc,-march=pentium3,-march=i686)"
- CPU_CFLAGS-$(CONFIG_PENTIUM4):="$(call check_gcc,-march=pentium4,-march=i686)"
- CPU_CFLAGS-$(CONFIG_K6):="$(call check_gcc,-march=k6,-march=i586)"
- CPU_CFLAGS-$(CONFIG_K7):="$(call check_gcc,-march=athlon,-malign-functions=4 -march=i686)"
- CPU_CFLAGS-$(CONFIG_CRUSOE):="-march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0"
- CPU_CFLAGS-$(CONFIG_WINCHIPC6):="$(call check_gcc,-march=winchip-c6,-march=i586)"
- CPU_CFLAGS-$(CONFIG_WINCHIP2):="$(call check_gcc,-march=winchip2,-march=i586)"
- CPU_CFLAGS-$(CONFIG_CYRIXIII):="$(call check_gcc,-march=c3,-march=i586)"
+ CPU_CFLAGS-$(CONFIG_386)+=-march=i386
+ CPU_CFLAGS-$(CONFIG_486)+=-march=i486
+ CPU_CFLAGS-$(CONFIG_586)+=-march=i586
+ CPU_CFLAGS-$(CONFIG_586MMX)+=$(call check_gcc,-march=pentium-mmx,-march=i586)
+ CPU_CFLAGS-$(CONFIG_686)+=-march=i686
+ CPU_CFLAGS-$(CONFIG_PENTIUMIII)+=$(call check_gcc,-march=pentium3,-march=i686)
+ CPU_CFLAGS-$(CONFIG_PENTIUM4)+=$(call check_gcc,-march=pentium4,-march=i686)
+ CPU_CFLAGS-$(CONFIG_K6)+=$(call check_gcc,-march=k6,-march=i586)
+ CPU_CFLAGS-$(CONFIG_K7)+=$(call check_gcc,-march=athlon,-malign-functions=4 -march=i686)
+ CPU_CFLAGS-$(CONFIG_CRUSOE)+=-march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0
+ CPU_CFLAGS-$(CONFIG_WINCHIPC6)+=$(call check_gcc,-march=winchip-c6,-march=i586)
+ CPU_CFLAGS-$(CONFIG_WINCHIP2)+=$(call check_gcc,-march=winchip2,-march=i586)
+ CPU_CFLAGS-$(CONFIG_CYRIXIII)+=$(call check_gcc,-march=c3,-march=i586)
endif
ifeq ($(strip $(TARGET_ARCH)),arm)
OPTIMIZATION+=-fstrict-aliasing
- CPU_CFLAGS-$(CONFIG_GENERIC_ARM):=
- CPU_CFLAGS-$(CONFIG_ARM7TDMI):="-march=arm7tdmi"
- CPU_CFLAGS-$(CONFIG_STRONGARM):="-march=strongarm"
- CPU_CFLAGS-$(CONFIG_XSCALE):="-march=xscale"
+ CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN)+=-EL
+ CPU_LDFLAGS-$(ARCH_BIG_ENDIAN)+=-EB
+ CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN)+=-mlittle-endian
+ CPU_CFLAGS-$(ARCH_BIG_ENDIAN)+=-mbig-endian
+ CPU_CFLAGS-$(CONFIG_GENERIC_ARM)+=
+ CPU_CFLAGS-$(CONFIG_ARM610)+=-mtune=arm610 -march=armv3
+ CPU_CFLAGS-$(CONFIG_ARM710)+=-mtune=arm710 -march=armv3
+ CPU_CFLAGS-$(CONFIG_ARM720T)+=-mtune=arm7tdmi -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM920T)+=-mtune=arm9tdmi -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM922T)+=-mtune=arm9tdmi -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM926T)+=-mtune=arm9tdmi -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM_SA110)+=-mtune=strongarm110 -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM_SA1100)+=-mtune=strongarm1100 -march=armv4
+ CPU_CFLAGS-$(CONFIG_ARM_XSCALE)+=$(call check_gcc,-mtune=xscale,-mtune=strongarm110)
+ CPU_CFLAGS-$(CONFIG_ARM_XSCALE)+=-march=armv4 -Wa,-mcpu=xscale
+endif
+
+ifeq ($(strip $(TARGET_ARCH)),mips)
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_1)+=-mips1
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_2)+=-mips2 -mtune=mips2
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_3)+=-mips3 -mtune=mips3
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_4)+=-mips4 -mtune=mips4
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32)+=-mips32 -mtune=mips32
+ CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
endif
ifeq ($(strip $(TARGET_ARCH)),sh)
OPTIMIZATION+=-fstrict-aliasing
OPTIMIZATION+= $(call check_gcc,-mprefergot,)
- CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN):="-EL"
- CPU_LDFLAGS-$(ARCH_BIG_ENDIAN):="-EB"
- CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN):="-ml"
- CPU_CFLAGS-$(ARCH_BIG_ENDIAN):="-mb"
- CPU_CFLAGS-$(CONFIG_SH2)+="-m2"
- CPU_CFLAGS-$(CONFIG_SH3)+="-m3"
- CPU_CFLAGS-$(CONFIG_SH4)+="-m4"
- CPU_CFLAGS-$(CONFIG_SH5)+="-m5"
+ CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN)+=-EL
+ CPU_LDFLAGS-$(ARCH_BIG_ENDIAN)+=-EB
+ CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN)+=-ml
+ CPU_CFLAGS-$(ARCH_BIG_ENDIAN)+=-mb
+ CPU_CFLAGS-$(CONFIG_SH2)+=-m2
+ CPU_CFLAGS-$(CONFIG_SH3)+=-m3
+ CPU_CFLAGS-$(CONFIG_SH4)+=-m4
+endif
+
+ifeq ($(strip $(TARGET_ARCH)),sh64)
+ OPTIMIZATION+=-fstrict-aliasing
+ CPU_LDFLAGS-$(ARCH_LITTLE_ENDIAN):=-EL
+ CPU_LDFLAGS-$(ARCH_BIG_ENDIAN):=-EB
+ CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN):=-ml
+ CPU_CFLAGS-$(ARCH_BIG_ENDIAN):=-mb
+ CPU_CFLAGS-$(CONFIG_SH5)+=-m5-32media
endif
ifeq ($(strip $(TARGET_ARCH)),h8300)
- CPU_LDFLAGS-y:=-mh8300h
- CPU_CFLAGS-y+=-mh -mint32 -fsigned-char
+ CPU_LDFLAGS-$(CONFIG_H8300H)+= -ms8300h
+ CPU_LDFLAGS-$(CONFIG_H8S) += -ms8300s
+ CPU_CFLAGS-$(CONFIG_H8300H) += -mh -mint32 -fsigned-char
+ CPU_CFLAGS-$(CONFIG_H8S) += -ms -mint32 -fsigned-char
endif
ifeq ($(strip $(TARGET_ARCH)),cris)
- CPU_LDFLAGS-$(CONFIG_CRIS):="-mcrislinux"
- CPU_CFLAGS-$(CONFIG_CRIS):="-mlinux"
+ CPU_LDFLAGS-$(CONFIG_CRIS)+=-mcrislinux
+ CPU_CFLAGS-$(CONFIG_CRIS)+=-mlinux
+ PICFLAG=-fpic
endif
# use '-Os' optimization if available, else use -O2, allow Config to override
XWARNINGS=$(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
XARCH_CFLAGS=$(subst ",, $(strip $(ARCH_CFLAGS)))
CPU_CFLAGS=$(subst ",, $(strip $(CPU_CFLAGS-y)))
+
+LDADD_LIBFLOAT=
+ifeq ($(strip $(UCLIBC_HAS_SOFT_FLOAT)),y)
+# Add -msoft-float to the CPU_FLAGS since ldso and libdl ignore CFLAGS.
+# If -msoft-float isn't supported, we want an error anyway.
+ CPU_CFLAGS += -msoft-float
+ifeq ($(strip $(TARGET_ARCH)),arm)
+ LDADD_LIBFLOAT=-lfloat
+endif
+endif
+
# Some nice CFLAGS to work with
-CFLAGS:=$(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) $(CPU_CFLAGS) \
+CFLAGS=$(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) $(CPU_CFLAGS) \
-fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I.
ifeq ($(DODEBUG),y)
- CFLAGS += -g
+ #CFLAGS += -g3
+ CFLAGS = $(XWARNINGS) -O0 -g3 $(CPU_CFLAGS) -fno-builtin -nostdinc -D_LIBC -I$(TOPDIR)include -I.
LDFLAGS:= $(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc
STRIPTOOL:= true -Since_we_are_debugging
else
LIBRARY_CACHE:=#-DUSE_CACHE
ifeq ($(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)
+ DYNAMIC_LINKER:=$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)
else
LDSO:=$(SYSTEM_LDSO)
DYNAMIC_LINKER:=/lib/$(strip $(subst ",, $(notdir $(SYSTEM_LDSO))))
- BUILD_DYNAMIC_LINKER:=/lib/$(strip $(subst ",, $(notdir $(SYSTEM_LDSO))))
endif
endif
-ifeq ($(UCLIBC_HAS_SOFT_FLOAT),y)
- CFLAGS += $(call check_gcc,-msoft-float,)
-endif
CFLAGS_NOPIC:=$(CFLAGS)
ifeq ($(DOPIC),y)
-ifeq ($(strip $(TARGET_ARCH)),cris)
- CFLAGS += -fpic -mlinux
-else
- CFLAGS += -fPIC
-endif
+ CFLAGS += $(PICFLAG)
endif
LIBGCC_CFLAGS ?= $(CFLAGS) $(CPU_CFLAGS-y)
LIBGCC:=$(shell $(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)
LIBGCC_DIR:=$(dir $(LIBGCC))
-# TARGET_PREFIX is the directory under which which the uClibc runtime
-# environment will be installed and used on the target system. The
-# result will look something like the following:
-# TARGET_PREFIX/
-# lib/ <contains all runtime and static libs>
-# usr/lib/ <this directory is searched for runtime libs>
-# etc/ <weher the shared library cache and configuration
-# information go if you enabled LIBRARY_CACHE above>
-# Very few people will need to change this value from the default...
-TARGET_PREFIX = /
-
########################################
#
# uClinux shared lib support
#
-ifdef CONFIG_BINFMT_SHARED_FLAT
+ifeq ($(CONFIG_BINFMT_SHARED_FLAT),y)
# For the shared version of this, we specify no stack and its library ID
FLTFLAGS += -s 0
LIBID=1
SHARED_TARGET = lib/libc
endif
+TARGET_ARCH:=$(strip $(subst ",, $(strip $(TARGET_ARCH))))
+
OSDN Git Service
