View of /trunk/uia/vx32/Makefrag

# Main top-level makefile fragment for the vx32 virtual machine.


# Compiler flags common to both host and VX32 environment files.
COMMON_CFLAGS = -g -O3 -MD -std=gnu99 -I. $(CFLAGS)
#COMMON_CFLAGS = -g -MD -std=gnu99 -I. $(CFLAGS)
COMMON_LDFLAGS = -g -L. $(LDFLAGS)


# Host environment compiler options
HOST_CC		:= $(CC)
HOST_LD		:= $(LD)
HOST_AR		:= $(AR)
HOST_LDFLAGS	:= $(COMMON_LDFLAGS)
HOST_CFLAGS	:= -I$(HOST_ARCH) $(COMMON_CFLAGS)


# Compile host code in same floating-point environment as vx32 code:
# uncomment this when making comparisons between native and vx32 performance
# to ensure an "apples to apples" comparison.
HOST_CFLAGS	+= -msse2 -mfpmath=sse -mno-fp-ret-in-387
#HOST_CFLAGS	+= -msse2 -mfpmath=sse,387 -mno-fp-ret-in-387
HOST_LDLIBS	+= -lchost


# Stuff for building shared libraries on the host
HOST_LTCC = $(LIBTOOL) --mode=compile $(HOST_CC)
HOST_LTLD = $(LIBTOOL) --mode=link $(HOST_CC) -rpath $(LIBDIR)
HOST_LTAR = $(LIBTOOL) --mode=link $(HOST_CC) -static
HOST_LTIN = $(LIBTOOL) --mode=install $(INSTALL)


# VX32 environment compiler options
VX32_CFLAGS := -nostdinc -Icinc $(COMMON_CFLAGS)
#VX32_CFLAGS := -m80387 -mfpmath=sse,387 -nostdinc -Icinc $(COMMON_CFLAGS)
VX32_LDFLAGS := -Lclib -L$(dir $(shell $(VX32_CC) -print-libgcc-file-name)) \
		$(COMMON_LDFLAGS) clib/vx32/crt0.vo
VX32_LDLIBS := -lc -lgcc


# Make sure that 'all' is the first target
all:

# Eliminate default suffix rules
.SUFFIXES:

# Delete target files if there is an error (or make is interrupted)
.DELETE_ON_ERROR:


# Include Makefrags for subdirectories
include $(HOST_ARCH)/Makefrag
include vx/Makefrag
include env/Makefrag
include clib/Makefrag
include cinc/Makefrag
include util/Makefrag
include test/Makefrag
include doc/vx32/Makefrag


# How to make .h header files out of .sym symbol files (see gensym.awk)
%-sym.c: %.sym
	awk -f gensym.awk $< >$@
%-sym.s: %-sym.c
	$(HOST_CC) $(HOST_CFLAGS) -S -o $@ $<
%.h: %-sym.s
	grep mAgIc $< | sed -e 's/mAgIc[^0-9]*//g' >$@


DEPS_FILES := $(wildcard */*.d */*/*.d */*/*/*.d)
CLEAN_FILES += .deps $(DEPS_FILES)

clean:
	rm -f $(CLEAN_FILES)


# This magic automatically generates makefile dependencies
# for header files included from C source files we compile,
# and keeps those dependencies up-to-date every time we recompile.
# See 'mergedep.pl' for more information.
.deps: $(DEPS_FILES)
	@mkdir -p $(@D)
	@$(PERL) mergedep.pl $@ $^

-include .deps