| 1,36 → 1,101 |
|---|
| include ../../arch/$(ARCH)/Makefile.inc |
| # |
| # Copyright (C) 2005 Martin Decky |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| sources=libc.c \ |
| entry.s |
| ## Make some default assumptions |
| # |
| |
| CFLAGS+=-nostdinc -I. -Werror-implicit-function-declaration -Wmissing-prototypes -Werror |
| ifndef ARCH |
| ARCH = ia32 |
| endif |
| |
| objects:=$(addsuffix .o,$(basename $(sources))) |
| ## Common compiler flags |
| # |
| |
| .PHONY : all depend build clean dist-clean |
| DEFS = -DARCH=$(ARCH) |
| CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Iinclude |
| LFLAGS = -M |
| AFLAGS = |
| |
| all: dist-clean depend build |
| ## Setup platform configuration |
| # |
| |
| -include Makefile.depend |
| include arch/$(ARCH)/Makefile.inc |
| |
| depend: |
| $(CC) $(CFLAGS) -M $(sources) >Makefile.depend |
| ## Toolchain configuration |
| # |
| |
| build: libc.a |
| ifeq ($(COMPILER),native) |
| CC = gcc |
| AS = as |
| LD = ld |
| OBJCOPY = objcopy |
| OBJDUMP = objdump |
| else |
| CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
| AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
| LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
| OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
| OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
| endif |
| |
| ## Sources |
| # |
| |
| GENERIC_SOURCES = \ |
| generic/libc.c |
| |
| ARCH_SOURCES = \ |
| arch/$(ARCH)/libc.c |
| |
| GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
| ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
| |
| .PHONY: all clean depend boot |
| |
| all: libc.a |
| |
| -include Makefile.depend |
| |
| clean: |
| find . -name '*.o' -exec rm \{\} \; |
| -rm libc.a |
| -rm -f libc.a |
| find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
| |
| dist-clean: |
| -rm Makefile.depend |
| -$(MAKE) clean |
| depend: |
| $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
| |
| libc.a: $(objects) |
| $(AR) rc libc.a $(objects) |
| libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
| |
| |
| %.o: %.S |
| $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
| |
| %.o: %.s |
| $(AS) $(ASFLAGS) $< -o $@ |
| $(AS) $(AFLAGS) $< -o $@ |
| |
| %.o: %.c |
| $(CC) $(CFLAGS) -c $< -o $@ |
| $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |