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77 lines
2.4 KiB
Makefile
77 lines
2.4 KiB
Makefile
#
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# The file contains the common make rules for building mini-os.
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#
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debug = y
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# Define some default flags.
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# NB. '-Wcast-qual' is nasty, so I omitted it.
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DEF_CFLAGS += -fno-builtin -Wall -Werror -Wredundant-decls -Wno-format -Wno-redundant-decls
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DEF_CFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
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DEF_CFLAGS += $(call cc-option,$(CC),-fgnu89-inline)
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DEF_CFLAGS += -Wstrict-prototypes -Wnested-externs -Wpointer-arith -Winline
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DEF_CPPFLAGS += -D__XEN_INTERFACE_VERSION__=$(XEN_INTERFACE_VERSION)
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DEF_ASFLAGS += -D__ASSEMBLY__
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DEF_LDFLAGS +=
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ifeq ($(debug),y)
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DEF_CFLAGS += -g
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#DEF_CFLAGS += -DMM_DEBUG
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#DEF_CFLAGS += -DFS_DEBUG
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#DEF_CFLAGS += -DLIBC_DEBUG
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DEF_CFLAGS += -DGNT_DEBUG
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DEF_CFLAGS += -DGNTMAP_DEBUG
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else
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DEF_CFLAGS += -O3
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endif
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# Make the headers define our internal stuff
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DEF_CFLAGS += -D__INSIDE_MINIOS__
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# Build the CFLAGS and ASFLAGS for compiling and assembling.
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# DEF_... flags are the common mini-os flags,
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# ARCH_... flags may be defined in arch/$(TARGET_ARCH_FAM/rules.mk
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CFLAGS := $(DEF_CFLAGS) $(ARCH_CFLAGS)
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CPPFLAGS := $(DEF_CPPFLAGS) $(ARCH_CPPFLAGS)
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ASFLAGS := $(DEF_ASFLAGS) $(ARCH_ASFLAGS)
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LDFLAGS := $(DEF_LDFLAGS) $(ARCH_LDFLAGS)
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# Special build dependencies.
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# Rebuild all after touching this/these file(s)
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EXTRA_DEPS = $(MINI-OS_ROOT)/minios.mk \
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$(MINI-OS_ROOT)/$(TARGET_ARCH_DIR)/arch.mk
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# Find all header files for checking dependencies.
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HDRS := $(wildcard $(MINI-OS_ROOT)/include/*.h)
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HDRS += $(wildcard $(MINI-OS_ROOT)/include/xen/*.h)
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HDRS += $(wildcard $(ARCH_INC)/*.h)
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# For special wanted header directories.
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extra_heads := $(foreach dir,$(EXTRA_INC),$(wildcard $(dir)/*.h))
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HDRS += $(extra_heads)
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# Add the special header directories to the include paths.
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override CPPFLAGS := $(CPPFLAGS) $(extra_incl)
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# The name of the architecture specific library.
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# This is on x86_32: libx86_32.a
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# $(ARCH_LIB) has to built in the architecture specific directory.
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ARCH_LIB_NAME = $(XEN_TARGET_ARCH)
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ARCH_LIB := lib$(ARCH_LIB_NAME).a
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# This object contains the entrypoint for startup from Xen.
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# $(HEAD_ARCH_OBJ) has to be built in the architecture specific directory.
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HEAD_ARCH_OBJ := $(XEN_TARGET_ARCH).o
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HEAD_OBJ := $(OBJ_DIR)/$(TARGET_ARCH_DIR)/$(HEAD_ARCH_OBJ)
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$(OBJ_DIR)/%.o: %.c $(HDRS) Makefile $(EXTRA_DEPS)
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$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
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$(OBJ_DIR)/%.o: %.S $(HDRS) Makefile $(EXTRA_DEPS)
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$(CC) $(ASFLAGS) $(CPPFLAGS) -c $< -o $@
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