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- #
- # common.mk
- #
- # Copyright (C) 2018 Aleksandar Andrejevic <theflash@sdf.lonestar.org>
- #
- # This program is free software: you can redistribute it and/or modify
- # it under the terms of the GNU Affero General Public License as
- # published by the Free Software Foundation, either version 3 of the
- # License, or (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU Affero General Public License for more details.
- #
- # You should have received a copy of the GNU Affero General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
- #
- ARCH := i686-elf
- # Directories
- SRCDIR := src
- OBJDIR := obj
- DEPDIR := dep
- TOOLSDIR := tools
- TOOLSROOTDIR := root
- PROJECT_ROOT := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
- export PATH := $(PROJECT_ROOT)/$(TOOLSDIR)/$(TOOLSROOTDIR)/bin:$(PATH)
- # Compilers and tools
- CC := $(ARCH)-gcc
- ASM := nasm
- LINK := $(ARCH)-ld
- ifeq ($(DEBUG), yes)
- CFLAGS += -g -DDEBUG
- else
- CFLAGS += -O3
- endif
- ifeq ($(LINK_WITH_LIBGCC), yes)
- LIBGCCDIR := $(shell PATH=$(PATH) $(CC) -print-file-name=)
- LDFLAGS += -L "$(LIBGCCDIR)" -lgcc
- endif
- # Output files
- OUTPUTS := $(OUTPUT_KERNEL) $(OUTPUT_PROGRAM) $(OUTPUT_DRIVER) $(OUTPUT_STATIC_LIB) $(OUTPUT_DYNAMIC_LIB) $(ADDITIONAL_OBJECTS)
- DEPENDS := $(shell find $(DEPDIR) -type f -name \*.d)
- OBJECTS := $(patsubst $(SRCDIR)/%.c, $(OBJDIR)/%.o, $(patsubst $(SRCDIR)/%.asm, $(OBJDIR)/%.o, $(SOURCES)))
- .PHONY: all clean
- all: $(OBJDIR) $(DEPDIR) $(OUTPUTS)
- -include $(DEPENDS)
- clean:
- rm -f $(OUTPUTS)
- find $(OBJDIR) -name \*.o -delete
- find $(DEPDIR) -name \*.d -delete
- $(OBJDIR):
- mkdir -p $(OBJDIR)
- $(DEPDIR):
- mkdir -p $(DEPDIR)
- $(OBJDIR)/%.o: $(SRCDIR)/%.c Makefile
- mkdir -p $(dir $@)
- mkdir -p $(dir $(@:$(OBJDIR)/%.o=$(DEPDIR)/%.d))
- $(CC) $(CFLAGS) -MMD -MP -MF $(@:$(OBJDIR)/%.o=$(DEPDIR)/%.d) -o $@ -c $<
- $(OBJDIR)/%.o: $(SRCDIR)/%.asm Makefile
- mkdir -p $(dir $@)
- $(ASM) $(ASMFLAGS) -o $@ $<
- $(OUTPUT_KERNEL): $(OBJECTS) $(ADDITIONAL_OBJECTS)
- $(LINK) -o $@ $(OBJECTS) $(LDFLAGS)
- $(OUTPUT_PROGRAM): $(OBJECTS)
- $(LINK) -eprocess_startup -o $@ $(OBJECTS) $(LDFLAGS)
- $(OUTPUT_STATIC_LIB): $(OBJECTS)
- $(AR) rcs $@ $^
- $(OUTPUT_DYNAMIC_LIB) $(OUTPUT_DRIVER): $(OBJECTS)
- $(LINK) -shared -o $@ $(OBJECTS) $(LDFLAGS)
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