#
#  $Id$
#
# gcc 2.6.x native compiler
# Compiler (and tools) configuration
#

# Additional target names (other than debug, profile)
TARGET_VARIANTS +=

#
# Pre-processor defines.
# Local tailoring (on the command line) can be done by setting XCPPFLAGS
# which is never set in the Makefile's
#

CPPFLAGS=$(XCPPFLAGS) $(DEFINES)

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

CFLAGS_DEFAULT = @CC_CFLAGS_DEFAULT@

#  Under MS-DOS do not use pipes
#  It turns out the pipes don't work with some non-gas assemblers either. :(
# ifneq ($(RTEMS_HOST),msdos)
# # CFLAGS_DEFAULT += -pipe
# CFLAGS_DEFAULT += 
# endif

# Additional target names (other than debug, profile)

# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
CFLAGS_OPTIMIZE_V=-O

# debug flag; typically -g
CFLAGS_DEBUG_V=@CC_CFLAGS_DEBUG_V@

# when debugging, optimize flag: typically empty
# some compilers do allow optimization with their "-g"
CFLAGS_DEBUG_OPTIMIZE_V=

# profile flag; use gprof(1)
CFLAGS_PROFILE_V=@CC_CFLAGS_PROFILE_V@

# default is to optimize
CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)

# dynamic libraries
CFLAGS_DYNAMIC_V=-fpic
ASFLAGS_DYNAMIC_V=

# XCFLAGS are now local flags to avoid conflict with cygnus configure
XCFLAGS=$(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \
       $(CFLAGS_DEFAULT)

# List of library paths without -L
LD_PATHS=

# 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 = @CC_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_FOR_BUILD=gcc -O
# override CC=$(CC_FOR_BUILD)

CC=@CC@

# CPP command to write file to standard output
CPP=$(CC) -E

# flags set by cc when running cpp
CPP_CC_FLAGS=-D__STDC__

# 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

#
# Command to convert a normal archive to one searchable by $(LD)
# Not needed on SVR4
# FIXME: Should be handled by autoconf. Doesn't matter, because
#        rtems doesn't have any host-libraries until now.
#

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 $@ $<

# assembly runs gasp
${ARCH}/%.o: %.s
	$(CPP) ${CPPFLAGS} $< | $(SED) 's/% /%/g' | $(SED) 's/^#.*//' >$(ARCH)/$*.i
	$(AS) -o $@ $(ARCH)/$*.i
	$(RM) $(ARCH)/$*.i

# Link host applications.
define make-exe
	${CC} ${LDFLAGS} -o $@ $^ ${LD_LIBS}
endef

# Specify our own default rule for this to prevent having CFLAGS and
# CPPFLAGS being passed to linker
#
# NOTE: This rule is only used as fallback for host-tool makefiles
# which don't provide their own rule
${ARCH}/%$(EXEEXT): ${ARCH}/%.o
	$(make-exe)

# create $(ARCH)/pgm from pgm.sh
${ARCH}/%: %.sh
	$(RM) $@
	$(CP) $< $@
	$(CHMOD) +x $@

# Dependency files for use by gmake
# NOTE: we don't put in $(TARGET_ARCH)
#       so that 'make clean' doesn't blow it away

DEPEND=Depends-$(TARGET_ARCH:o-%=%)

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

define make-rel
	$(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
endef