# Main top-level makefile fragment for the vx32 virtual machine. # Compiler flags common to both host and VX32 environment files.COMMON_CFLAGS = -m32  -g -O2 -MD -std=gnu99 -I. -fno-stack-protector $(CFLAGS) -DARCH=i386COMMON_LDFLAGS = -g -L. $(LDFLAGS) ifeq ($(OS),darwin)	COMMON_CFLAGS += -m32 -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -DARCH=i386	COMMON_LDFLAGS += -m32endif  # Host environment compiler optionsHOST_CC		:= $(CC) -fno-inline -m32  -DARCH=i386ifeq ($(OS),darwin)	HOST_CC		:= $(HOST_CC)  -D_XOPEN_SOURCEendifHOST_LD		:= $(LD) -arch i386HOST_AR		:= $(AR)HOST_LDFLAGS	:= $(COMMON_LDFLAGS)HOST_CFLAGS	:= $(COMMON_CFLAGS) # VX32 environment compiler options# If you build your own vx32-specific copies of the GNU# tools (see README), you can refer to them here. # On most x86 systems, though, the standard gcc is fine.# VX32_CC		:= vx32-gcc# VX32_LD		:= vx32-ld# VX32_AR		:= vx32-ar# VX32_OBJCOPY	:= vx32-objcopyVX32_CC		:= gcc -m32VX32_LD		:= ld -melf_i386VX32_AR		:= arVX32_OBJCOPY	:= objcopy VX32_CFLAGS := -nostdinc -Ilibvxc/include $(COMMON_CFLAGS)VX32_CFLAGS += $(shell $(VX32_CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) VX32_LDFLAGS := -Llibvxc -L$(dir $(shell $(VX32_CC) -print-libgcc-file-name)) \		$(COMMON_LDFLAGS) libvxc/vx32/crt0.oVX32_LDLIBS := -lc -lgcc # Set compiler options if we should generate x87 FPU code.HAVE_X87 = yesifdef HAVE_X87VX32_CFLAGS += -m80387 -mfp-ret-in-387endif  INSTALL = install # there's only one thing we really care about. 9vx9vx/9vx:# Make sure that 'all' is the first targetall:  # Install libvx32 tooinstall: 9vx/install libvxc/install vxlinux/install vxrun/install # Eliminate default suffix rules.SUFFIXES: # Delete target files if there is an error (or make is interrupted).DELETE_ON_ERROR:  # Include Makefrags for subdirectoriesinclude libvxc/Makefraginclude libvx32/Makefraginclude vxrun/Makefraginclude vxlinux/Makefraginclude vxa/Makefrag		# VXA decodersinclude hash/Makefrag		# cryptographic hash algorithmsinclude micro/Makefrag		# microbenchmarksinclude 9vx/Makefrag	# Plan 9 VXinclude test/Makefrag		# vx32 tests 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) $(top_srcdir)/mergedep.pl $@ $^ -include .deps