## Process this file with Automake to create Makefile.in

ARCH  ?= @ARCH@
EARCH ?= @EARCH@

############################################################
# common source files for all variants of the sdcc library
############################################################

LIBSDCC_SOURCES_COMMON =
LIBSDCC_SOURCES_COMMON += ../_divschar.c
LIBSDCC_SOURCES_COMMON += ../_divsint.c
LIBSDCC_SOURCES_COMMON += ../_divslong.c
LIBSDCC_SOURCES_COMMON += ../_divuchar.c
LIBSDCC_SOURCES_COMMON += ../_divuint.c
LIBSDCC_SOURCES_COMMON += ../_divulong.c
LIBSDCC_SOURCES_COMMON += ../_modschar.c
LIBSDCC_SOURCES_COMMON += ../_modsint.c
LIBSDCC_SOURCES_COMMON += ../_modslong.c
LIBSDCC_SOURCES_COMMON += ../_moduchar.c
LIBSDCC_SOURCES_COMMON += ../_moduint.c
LIBSDCC_SOURCES_COMMON += ../_modulong.c
LIBSDCC_SOURCES_COMMON += ../_mulschar.c
LIBSDCC_SOURCES_COMMON += ../_muluchar.c
LIBSDCC_SOURCES_COMMON += ../_mulint.c
LIBSDCC_SOURCES_COMMON += ../_mullong.c
LIBSDCC_SOURCES_COMMON += ../_fs2schar.c
LIBSDCC_SOURCES_COMMON += ../_fs2sint.c
LIBSDCC_SOURCES_COMMON += ../_fs2slong.c
LIBSDCC_SOURCES_COMMON += ../_fs2uchar.c
LIBSDCC_SOURCES_COMMON += ../_fs2uint.c
LIBSDCC_SOURCES_COMMON += ../_fs2ulong.c
LIBSDCC_SOURCES_COMMON += ../_fsadd.c
LIBSDCC_SOURCES_COMMON += ../_fsdiv.c
LIBSDCC_SOURCES_COMMON += ../_fseq.c
LIBSDCC_SOURCES_COMMON += ../_fslt.c
LIBSDCC_SOURCES_COMMON += ../_fsmul.c
LIBSDCC_SOURCES_COMMON += ../_fsneq.c
LIBSDCC_SOURCES_COMMON += ../_fssub.c
LIBSDCC_SOURCES_COMMON += ../_schar2fs.c
LIBSDCC_SOURCES_COMMON += ../_sint2fs.c
LIBSDCC_SOURCES_COMMON += ../_slong2fs.c
LIBSDCC_SOURCES_COMMON += ../_uchar2fs.c
LIBSDCC_SOURCES_COMMON += ../_uint2fs.c
LIBSDCC_SOURCES_COMMON += ../_ulong2fs.c
LIBSDCC_SOURCES_COMMON += ../idata.c

############################################################
# Directories when building from the sdcc sources
############################################################

# the directory where sdcc device files can be found
DEVICE_TOP_DIR = $(top_srcdir)/../..

# the directory where generic device lib sources can be found
GENERIC_SRC_DIR = $(DEVICE_TOP_DIR)/lib

# If compiling from the installed device sources, use these directories
#DEVICE_TOP_DIR = $(top_srcdir)/../../..
#GENERIC_SRC_DIR = $(DEVICE_TOP_DIR)/lib/src

GENERIC_SRC_DIR_ABS = $(abspath $(GENERIC_SRC_DIR))

############################################################
# C preprocessor flags
############################################################

AM_CPPFLAGS =
AM_CPPFLAGS += -I.
AM_CPPFLAGS += -I$(top_srcdir)
AM_CPPFLAGS += -I$(DEVICE_TOP_DIR)/include/pic14 -I$(DEVICE_TOP_DIR)/non-free/include/pic14 -I$(DEVICE_TOP_DIR)/include

############################################################
# C compiler flags
############################################################

SDCC_FLAGS =
SDCC_FLAGS += -mpic14 --less-pedantic --no-warn-non-free --i-code-in-asm --fverbose-asm
SDCC_FLAGS += --std-c11

# extra flags for enhanced cores
SDCC_FLAGS_ENHANCED =
if !ENABLE_EXTENDED_INSTRUCTIONS
SDCC_FLAGS_ENHANCED += --no-extended-instructions
endif !ENABLE_EXTENDED_INSTRUCTIONS

# extra flags to disable optimizations
SDCC_FLAGS_NOOPT = --no-pcode-opt --no-peep

# extra flags to enable experimental support
SDCC_FLAGS_EXP = --experimental-pcall-all --experimental-pcall-enhanced --experimental-variadics --experimental-ralloc

# extra flags when DEBUG is enabled
if ENABLE_DEBUG
SDCC_FLAGS += --debug --debug-xtra --debug-ralloc  --debug-glue
SDCC_FLAGS_EXP += --debug-variadics
endif

AM_CFLAGS    = -p$(ARCH) $(SDCC_FLAGS)
AM_CFLAGS_O  = -p$(ARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_NOOPT)
AM_CFLAGS_X  = -p$(ARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_EXP)
AM_CFLAGS_OX = -p$(ARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_NOOPT) $(SDCC_FLAGS_EXP)

AM_CFLAGS_E   = -p$(EARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_ENHANCED)
AM_CFLAGS_EO  = -p$(EARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_ENHANCED) $(SDCC_FLAGS_NOOPT)
AM_CFLAGS_EX  = -p$(EARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_ENHANCED) $(SDCC_FLAGS_EXP)
AM_CFLAGS_EOX = -p$(EARCH) $(SDCC_FLAGS) $(SDCC_FLAGS_ENHANCED) $(SDCC_FLAGS_NOOPT) $(SDCC_FLAGS_EXP)

############################################################
# Assembler flags
############################################################

AM_CCASFLAGS =
AM_CCASFLAGS += -p$(ARCH)
AM_CCASFLAGS += -I$(srcdir)
AM_CCASFLAGS += -I$(DEVICE_TOP_DIR)/include/pic14 -I$(DEVICE_TOP_DIR)/non-free/include/pic14

############################################################
# Common actions
############################################################

# link missing source files to the generic sdcc ones
# NOTE: last empty line required because foreach concatenates several copies of this text
define link-generic-files
$(1)/%.c: $$(GENERIC_SRC_DIR_ABS)/%.c
	test -e $$(srcdir)/$$@ || ln -s $$< $$@

endef

# create links to generic source files in the source directories
$(foreach SOURCE_DIR,$(SOURCE_DIRS),$(eval $(call link-generic-files,$(SOURCE_DIR))))

# remove links to generic source files
# NOTE: last semicolon required because foreach concatenates several copies of this text
define remove-generic-links
	list='$(wildcard $(SOURCE_DIR)/*.c)' ; \
	for file in $$list ; do \
	  if test -L $$file ; then rm $$file ; fi \
	done ;
endef

# extensions generated by the build process
CLEAN_EXTENSIONS = .asm .lst .sym .d .p .g .v .adb

# remove intermediate files generated by the build process
# NOTE: last semicolon required because foreach concatenates several copies of this text
define remove-intermediate-files
	list='$(wildcard $(addprefix $(SOURCE_DIR)/*,$(CLEAN_EXTENSIONS)))' ; \
	if test -n "$$list" ; then rm -rf $$list ; fi ;
endef

# clean-up (remove intermediate files and links to missing source files)
clean-local:
	$(foreach SOURCE_DIR,$(SOURCE_DIRS),$(remove-generic-links))
	$(foreach SOURCE_DIR,$(SOURCE_DIRS),$(remove-intermediate-files))

if ENABLE_DEBUG
# do not remove intermediate files when DEBUG is enabled
clean-intermediate:
	list='$(SUBDIRS)'; for subdir in $$list; do \
	  echo "Making $@ in $$subdir"; \
	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $@); \
	done
else
clean-intermediate: clean-local
	list='$(SUBDIRS)'; for subdir in $$list; do \
	  echo "Making $@ in $$subdir"; \
	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $@); \
	done
endif