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|
##
## $Id$
##
## -------------------------------------------------------------------------
## NOTE: This file is rather immature and has to be considered to be
## almost experimental.
##
## Expect frequent changes -- It deserves to be cleaned up :(
## -------------------------------------------------------------------------
if RTEMS_USE_GCC
## All the stuff below is specific to gcc
GCCSPECS = $(GCC_SPECS) $(RTEMS_BSP_SPECS)
endif # RTEMS_USE_GCC
LINK_LIBS = $(LD_LIBS)
#
# How to compile stuff into ${ARCH} subdirectory
#
COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
$(AM_LDFLAGS) $(LDFLAGS) -o $@
CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
CXXLD = $(CXX)
CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
$(AM_LDFLAGS) $(LDFLAGS) -o $@
CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
${ARCH}/%.o: %.c $(ARCH)/$(dirstamp)
${COMPILE} -o $@ -c $<
${ARCH}/%.o: %.cc $(ARCH)/$(dirstamp)
${CXXCOMPILE} -o $@ -c $<
${ARCH}/%.o: %.S $(ARCH)/$(dirstamp)
${CCASCOMPILE} -DASM -o $@ -c $<
${ARCH}/$(dirstamp):
@$(mkdir_p) $(ARCH)
@: > $(ARCH)/$(dirstamp)
# 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}
# We deliberately don't have anything depend on the
# $(DEPEND) file; otherwise it will get rebuilt even
# on 'make clean'
#
if RTEMS_USE_GCC
## HACK: Specific to gcc
## FIXME: The approach below is known to be conceptionally broken.
depend-gcc: $(C_FILES) $(CC_FILES) $(S_FILES)
## 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 cases
$(COMPILE) -M $^ | \
sed -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
mv $(DEPEND).tmp $(DEPEND)
# pull in dependencies if they exist
ifeq (${DEPEND},$(wildcard ${DEPEND}))
include ${DEPEND}
@ENDIF@
endif
depend: depend-am
# spell out all the LINK_FILE's, rather than using -lbsp, so
# that $(LINK_FILES) can be a dependency
LINK_OBJS = \
$(OBJS) \
$(MANAGERS_NOT_WANTED:%=$(PROJECT_LIB)/no-%.rel)
LINK_FILES =\
$(START_FILE) \
$(OBJS) \
$(MANAGERS_NOT_WANTED:%=$(PROJECT_LIB)/no-%.rel)
## -------------------------------------------------------------------------
## Setup the variant build subdirectory
ARCH = o-optimize
## -------------------------------------------------------------------------
CC = @CC@ $(GCCSPECS)
CXX = @CXX@ $(GCCSPECS)
CPP = @CPP@ $(GCCSPECS)
CCAS = @CCAS@ $(GCCSPECS)
LD = @LD@
OBJCOPY = @OBJCOPY@
NM = @NM@
SIZE = @SIZE@
STRIP = @STRIP@
##
AM_CPPFLAGS = $(RTEMS_CPPFLAGS)
AM_CFLAGS = $(RTEMS_CFLAGS)
AM_CXXFLAGS = $(RTEMS_CXXFLAGS)
AM_CCASFLAGS = $(CPU_CFLAGS) $(RTEMS_CPPFLAGS) $(RTEMS_CCASFLAGS)
clean-local:
$(RM) -r o-optimize
$(RM) Depends-o-optimize.tmp
|
