Subversion Repositories openrisc_2011-10-31

#

#  $Id: gcc-no_bsp.cfg,v 1.2 2001-09-27 12:02:51 chris Exp $

#

# gcc 2.6.x compiler for a "native" nocpu/nobsp system

# Compiler (and tools) configuration

#

# Prefix on the installed GNU tools

#  Just use the native tools

GNU_TOOLS_PREFIX=

# Additional target names (other than debug, profile)

TARGET_VARIANTS +=

#

# Pre-processor defines using the target options header file.

#

# Local tailoring (on the command line) can be done by setting XCFLAGS

# or XCPPFLAGS -- neither of which are never set in the Makefile's

#

CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)

CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)

#  This section makes the target dependent options file.

#  NDEBUG (C library)

#     if defined asserts do not generate code.  This is commonly used

#     as a command line option.

#

#  RTEMS_TEST_NO_PAUSE (RTEMS tests)

#     do not pause between screens of output in the rtems tests

#

#  NO_TABLE_MOVE (SPARC PORT)

#     do not have a second trap table -- use the BSP's

#

#  STACK_CHECKER_ON (RTEMS support code)

#     If defined, stack bounds checking is enabled.

#

#  RTEMS_DEBUG (RTEMS)

#     If defined, debug checks in RTEMS and support library code are enabled.

define make-target-options

        echo "/* #define NDEBUG 1 */ "                     >>$@

        echo "#define RTEMS_TEST_NO_PAUSE 1"               >>$@

        echo "/* #define STACK_CHECKER_ON  1 */"           >>$@

        echo "/* #define RTEMS_DEBUG  1 */"                >>$@

endef

#

# Local tailoring (on the command line) can be done by setting XCFLAGS

# which is never set in the Makefile's

#

#

# CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we

# would want the corresponding macros to be set to.

#

# CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf

# Makefiles by the 'debug:' and 'profile:' targets to their _V values.

#

# default flags

#

#  This contains the compiler options necessary to select the CPU model

#  and (hopefully) optimize for it.

#

CPU_CFLAGS =

CFLAGS_DEFAULT = $(CPU_CFLAGS) -Wall -ansi -fasm

# optimize flag: typically -0, could use -O4 or -fast

# -O4 is ok for RTEMS

CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer

# debug flag; typically -g

CFLAGS_DEBUG_V=-g -Wno-unused

# profile flag; use gprof(1)

CFLAGS_PROFILE_V=-pg

# default is to optimize

CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)

# dynamic libraries

CFLAGS_DYNAMIC_V=-fpic

# ASFLAGS_DYNAMIC_V=

CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \

       -I $(PROJECT_INCLUDE)

# List of library paths without -L

LD_PATHS= $(PROJECT_RELEASE)/lib

# libraries you want EVERYONE to link with

LD_LIBS=

# ld flag to ensure pure-text

LDFLAGS_MUST_BE_PURE_V =

# ld flag for [un]shared objects

LDFLAGS_STATIC_LIBRARIES_V =

LDFLAGS_SHARED_LIBRARIES_V =

# ld flag for incomplete link

LDFLAGS_INCOMPLETE = -r

# Special linker options when building lib.so

LDFLAGS_DYNAMIC_V = ??

# Some dynamic linking systems want the preferred name recorded in the binary

# ref: src/libxil/Makefile

LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME)

# ld flags for profiling, debugging

LDFLAGS_PROFILE_V =

LDFLAGS_DEBUG_V =

LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %)

#

# Stuff to clean and clobber for the compiler and its tools

#

CLEAN_CC = a.out *.o *.BAK

CLOBBER_CC =

#

# Client compiler and support tools

#

CC=gcc

CXX=$(CC)

CCC=$(CXX)

# CPP command to write file to standard output

CPP=$(CC) -E

# flags set by cc when running cpp

CPP_CC_FLAGS=-D__STDC__

AS=as

ASPP=ERROR_NO_ASPP

ASFLAGS=

# NOTE: should never use full path .. but there is no guarantee ld, etc

#       will be in the same directory as gcc.. so hope they are in the path

#       Don't do this on a real target!!!

LD=ld

NM=nm

AR=ar

# egrep regexp to ignore symbol table entries in ar archives.

# Only used to make sure we skip them when coalescing libraries.

# skip __.SYMDEF and empty names (maybe bug in ranlib??).

AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT"

ARFLAGS=ruv

# NOTE: see comment on ld, nm, ar

SIZE=size

#

# Command to convert a normal archive to one searchable by $(LD)

# Not needed on SVR4

#

MKLIB=echo library is complete:

#

# How to compile stuff into ${ARCH} subdirectory

#

# NOTE: we override COMPILE.c

#

COMPILE.c=$(CC) $(CFLAGS) $(CPPFLAGS) $(XCFLAGS) -c

${ARCH}/%.o: %.c

        ${COMPILE.c} -o $@ $<

${ARCH}/%.o: %.cc

        ${COMPILE.c} -o $@ $<

${ARCH}/%.o: %.S

        ${COMPILE.c} -DASM -o $@ $<

${ARCH}/%.o: %.s

        $(CPP) $(CPPFLAGS) - <$*.s  >$(ARCH)/$*.i

        $(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i

#       $(RM) $(ARCH)/$*.i

# Specify our own default rule for this to prevent having CFLAGS and

#  CPPFLAGS being passed to linker

${ARCH}/%: ${ARCH}/%.o

        ${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS}

# Make foo.rel from foo.o

${ARCH}/%.rel: ${ARCH}/%.o

        ${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^

# create $(ARCH)/pgm from pgm.sh

${ARCH}/%: %.sh

        $(RM) $@

        $(CP) $< $@

        $(CHMOD) +x $@

# Dependency files for use by gmake

# NOTE: we don't put them into $(ARCH)

#       so that 'make clean' doesn't blow it away

DEPEND=Depends-${ARCH}

CLEAN_DEPEND=$(DEPEND).tmp

CLOBBER_DEPEND=$(DEPEND)

# We deliberately don't have anything depend on the

# $(DEPEND) file; otherwise it will get rebuilt even

# on 'make clean'

#

depend: $(C_FILES) $(CC_FILES) $(S_FILES)

ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0)

#       Use gcc -M to generate dependencies

#       Replace foo.o with $(ARCH)/foo.o

#       Replace $(ARCH) value with string $(ARCH)

#           so that it will for debug and profile cases

        $(COMPILE.c) -M   $^    |  \

        $(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \

            -e 's?$(ARCH)/?$$(ARCH)/?'   >$(DEPEND).tmp

        $(MV) $(DEPEND).tmp $(DEPEND)

endif

# List (possibly empty) of required managers

# We require:

#    region  -- used by lib/libcsupport for malloc()

#    ext     -- used by libc for libc reentrancy hooks

MANAGERS_REQUIRED=region ext sem

# Create a RTEMS executable based on MANAGERS which was set in

#  app's Makefile

MANAGERS_NOT_WANTED=$(filter-out $(MANAGERS), $(MANAGER_LIST))

MANAGERS_NOT_WANTED:=$(filter-out $(MANAGERS_REQUIRED), $(MANAGERS_NOT_WANTED))

# spell out all the LINK_FILE's, rather than using -lbsp, so

#  that $(LINK_FILES) can be a dependency

# Start file must be one of

#    $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o

#    $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o

# It defaults to start.o, but an app can override it.

# Note:  Normally RTEMS provides a start file...

START_FILE=

CONSTRUCTOR=

LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name $(GCCSED))

LINK_FILES= $(START_FILE) \

    $(CONSTRUCTOR) \

    $(OBJS) \

    $(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \

    $(LD_LIBS) \

    $(LIBC_EXTRA_LIBS)  \

    $(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) \

    $(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) \

    $(LIBC_LIBM) $(LIBC_LIBC) $(LIBGCC)

# Here is the rule to actually build a $(ARCH)/foo.exe

# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm

# Usage ref: src/tests/sptest/sp1/Makefile

# On Solaris at least you need to had /usr/ucblib/libucb.a

define make-exe

        $(CC) -o $(basename $@).exe $(LINK_FILES) -lc -lm

        $(NM) -n $(basename $@).exe > $(basename $@).num

        $(SIZE) $(basename $@).exe

endef

define make-rel

        $(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)

endef