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# See readme.txt for the make API
ifeq ($(basename $(OPT_OS)),win32)
# Nasty - must convert all paths into a format make can handle
PATHEXPAND := ARCH XCC XCXX XAS XLD XOC XOD PROJECT BUILDDIR SRC DEFS LIBS INCPATH LIBPATH $(PATHLIST)
# First convert \'s to /'s
$(foreach var,$(PATHEXPAND),$(eval $(var):=$$(subst \,/,$($(var)))))
# For cygwin gmake - need to convert all absolute paths (mingw gmake doesn't need this)
ifneq ($(findstring cygdrive,$(PATH)),)
DRIVELETTERS := a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
$(foreach drv,$(DRIVELETTERS),$(foreach var,$(PATHEXPAND),$(eval $(var):=$$(patsubst $(drv):%,/cygdrive/$(drv)%,$($(var))))))
endif
endif
# Path resolution - Functions to convert a source path to a object path and visa-versa
src_obj_fn := $$(1)
obj_src_fn := $$(1)
$(foreach var,$(PATHLIST),$(eval obj_src_fn := $$$$(patsubst $(var)/%,$$$$($(var))/%,$$(obj_src_fn))))
$(foreach var,$(PATHLIST),$(eval src_obj_fn := $$$$(patsubst $$$$($(var))/%,$(var)/%,$$(src_obj_fn))))
src_obj_fn := $$(subst :,_drv_drv_,$$(subst ../,_dot_dot/,$(src_obj_fn)))
obj_src_fn := $$(subst _drv_drv_,:,$$(subst _dot_dot/,../,$(obj_src_fn)))
$(eval src_obj=$(src_obj_fn))
$(eval obj_src=$(obj_src_fn))
# Add ARCH to each of the compiler programs
ifeq ($(XCC),)
XCC = $(ARCH)gcc
endif
ifeq ($(XCXX),)
XCXX = $(ARCH)g++
endif
ifeq ($(XAS),)
XAS = $(ARCH)gcc -x assembler-with-cpp
endif
ifeq ($(XLD),)
XLD = $(ARCH)gcc
endif
ifeq ($(XOC),)
XOC = $(ARCH)objcopy
endif
ifeq ($(XOD),)
XOD = $(ARCH)objdump
endif
# Default project name is the project directory name
ifeq ($(PROJECT),)
ifneq ($(firstword $(abspath $(firstword $(MAKEFILE_LIST)))),$(lastword $(abspath $(firstword $(MAKEFILE_LIST)))))
$(error Your directory contains spaces. Gmake barfs at that. Please define PROJECT)
endif
PROJECT := $(notdir $(patsubst %/,%,$(dir $(abspath $(firstword $(MAKEFILE_LIST))))))
endif
# Output directories
ifeq ($(BUILDDIR),)
ifeq ($(MAKECMDGOALS),Debug)
BUILDDIR = bin/Debug
endif
ifeq ($(MAKECMDGOALS),Release)
BUILDDIR = bin/Release
endif
ifeq ($(MAKECMDGOALS),cleanDebug)
BUILDDIR = bin/Debug
endif
ifeq ($(MAKECMDGOALS),cleanRelease)
BUILDDIR = bin/Release
endif
ifeq ($(BUILDDIR),)
BUILDDIR = .build
endif
endif
OBJDIR = $(BUILDDIR)/obj
DEPDIR = $(BUILDDIR)/dep
# Output files
MAPFILE = $(BUILDDIR)/$(PROJECT).map
EXEFILE =
ifeq ($(basename $(OPT_OS)),win32)
EXEFILE = $(BUILDDIR)/$(PROJECT).exe
TARGETS = $(EXEFILE)
endif
ifeq ($(basename $(OPT_OS)),linux)
EXEFILE = $(BUILDDIR)/$(PROJECT)
TARGETS = $(EXEFILE)
endif
ifeq ($(basename $(OPT_OS)),osx)
EXEFILE = $(BUILDDIR)/$(PROJECT)
TARGETS = $(EXEFILE)
endif
ifeq ($(EXEFILE),)
LDFLAGS += -nostartfiles
EXEFILE = $(BUILDDIR)/$(PROJECT).elf
TARGETS = $(EXEFILE) $(BUILDDIR)/$(PROJECT).hex $(BUILDDIR)/$(PROJECT).bin $(BUILDDIR)/$(PROJECT).dmp
endif
# Combine all our compiler arguments
SRCFLAGS += -I. $(patsubst %,-I%,$(INCPATH)) $(patsubst %,-D%,$(patsubst -D%,%,$(DEFS)))
LDFLAGS += $(patsubst %,-L%,$(LIBPATH)) $(patsubst %,-l%,$(patsubst -l%,%,$(LIBS)))
OBJS = $(addprefix $(OBJDIR)/,$(call src_obj,$(addsuffix .o,$(basename $(SRC)))))
# Handle make API options that affect compiler arguments
ifneq ($(OPT_NONSTANDARD_FLAGS),yes)
SRCFLAGS += -fomit-frame-pointer -Wall -Wextra -Wstrict-prototypes -fverbose-asm
endif
ifeq ($(OPT_LINK_OPTIMIZE),yes)
SRCFLAGS += -ffunction-sections -fdata-sections
endif
ifeq ($(OPT_GENERATE_MAP),yes)
ifeq ($(OPT_LINK_OPTIMIZE),yes)
LDFLAGS += -Wl,-Map=$(MAPFILE),--cref,--no-warn-mismatch,--gc-sections
else
LDFLAGS += -Wl,-Map=$(MAPFILE),--cref,--no-warn-mismatch
endif
endif
ifeq ($(OPT_GENERATE_LISTINGS),yes)
CFLAGS += -Wa,-alms=$(@:.o=.lst)
CXXFLAGS += -Wa,-alms=$(@:.o=.lst)
ASFLAGS += -Wa,-amhls=$(@:.o=.lst)
endif
ifneq ($(LDSCRIPT),)
LDFLAGS += -T$(LDSCRIPT)
endif
# Generate dependency information
SRCFLAGS += -MMD -MP -MF $(DEPDIR)/$(@F).d
# Targets
.PHONY: builddirs fakefile.o all clean Debug Release cleanDebug cleanRelease
Debug Release: all
cleanDebug cleanRelease: clean
all: builddirs fakefile.o $(TARGETS)
builddirs:
@mkdir -p $(BUILDDIR)
@mkdir -p $(OBJDIR)
@mkdir -p $(DEPDIR)
fakefile.o:
ifneq ($(OPT_VERBOSE_COMPILE),yes)
@echo Compiler Options - $(XCC) -c $(CPPFLAGS) $(CFLAGS) $(SRCFLAGS) fakefile.c -o $(OBJDIR)/$@
@echo
endif
# Implicit Rules
.SECONDEXPANSION:
$(OBJDIR)/%.o : $$(call obj_src,%.c)
@mkdir -p $(dir $@)
ifeq ($(OPT_VERBOSE_COMPILE),yes)
@echo
$(XCC) -c $(CPPFLAGS) $(CFLAGS) $(SRCFLAGS) $< -o $@
else
@echo Compiling $<
@$(XCC) -c $(CPPFLAGS) $(CFLAGS) $(SRCFLAGS) $< -o $@
endif
$(OBJDIR)/%.o : $$(call obj_src,%.cpp)
@mkdir -p $(dir $@)
ifeq ($(OPT_VERBOSE_COMPILE),yes)
@echo
$(XCXX) -c $(CPPFLAGS) $(CXXFLAGS) $(SRCFLAGS) $< -o $@
else
@echo Compiling $<
@$(XCXX) -c $(CPPFLAGS) $(CXXFLAGS) $(SRCFLAGS) $< -o $@
endif
$(OBJDIR)/%.o : $$(call obj_src,%.c++)
@mkdir -p $(dir $@)
ifeq ($(OPT_VERBOSE_COMPILE),yes)
@echo
$(XCXX) -c $(CPPFLAGS) $(CXXFLAGS) $(SRCFLAGS) $< -o $@
else
@echo Compiling $<
@$(XCXX) -c $(CPPFLAGS) $(CXXFLAGS) $(SRCFLAGS) $< -o $@
endif
$(OBJDIR)/%.o : $$(call obj_src,%.s)
@mkdir -p $(dir $@)
ifeq ($(OPT_VERBOSE_COMPILE),yes)
@echo
$(XAS) -c $(CPPFLAGS) $(ASFLAGS) $(SRCFLAGS) $< -o $@
else
@echo Compiling $<
@$(XAS) -c $(CPPFLAGS) $(ASFLAGS) $(SRCFLAGS) $< -o $@
endif
$(EXEFILE): $(OBJS) $(LDSCRIPT)
@mkdir -p $(dir $@)
ifeq ($(OPT_VERBOSE_COMPILE),yes)
@echo
$(XLD) $(OBJS) $(LDFLAGS) -o $@
else
@echo Linking $@
@$(XLD) $(OBJS) $(LDFLAGS) -o $@
endif
ifeq ($(OPT_COPY_EXE),yes)
@cp $@ .
endif
%.hex: %.elf
ifeq ($(OPT_VERBOSE_COMPILE),yes)
$(XOC) -O ihex $< $@
else
@echo Creating $@
@$(XOC) -O ihex $< $@
endif
ifeq ($(OPT_COPY_EXE),yes)
@cp $@ .
endif
%.bin: %.elf
ifeq ($(USE_VERBOSE_COMPILE),yes)
$(XOC) -O binary $< $@
else
@echo Creating $@
@$(XOC) -O binary $< $@
endif
ifeq ($(OPT_COPY_EXE),yes)
@cp $@ .
endif
%.dmp: %.elf
ifeq ($(USE_VERBOSE_COMPILE),yes)
$(XOD) -x --syms $< > $@
else
@echo Creating $@
@$(XOD) -x --syms $< > $@
@echo Done
endif
ifeq ($(OPT_COPY_EXE),yes)
@cp $@ .
endif
# Goodness knows why we would want this.
gcov:
-mkdir gcov
$(COV) -u $(subst /,\,$(SRC))
-mv *.gcov ./gcov
# Include the dependency files, should be the last of the makefile except for clean
-include $(shell mkdir -p $(DEPDIR) 2>/dev/null) $(wildcard $(DEPDIR)/*)
# Clean
clean:
-rm -fR $(BUILDDIR)
# *** EOF ***
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