# Just set OC_BASE to the opencore root, or set AMR_BASE directly to
# a detached gsm_amr directory
OC_BASE = ../opencore
AMR_BASE = $(OC_BASE)/codecs_v2/audio/gsm_amr
LIBDIR=lib
BINDIR=bin

# To compile as C instead of C++, define BUILD_AS_C
ifneq (, $(BUILD_AS_C))
    CXX = $(CC)
    CXXFLAGS += -x c -std=c99
endif

ifeq (, $(PREFIX))
    PREFIX = /usr/local
endif

DEC_DIR = $(AMR_BASE)/amr_wb/dec
DEC_SRC_DIR = $(DEC_DIR)/src
OSCL = ../oscl

CPPFLAGS = -I$(OSCL) -I$(DEC_SRC_DIR) -I$(DEC_DIR)/include -I$(AMR_BASE)/common/dec/include

# Find all the source files
# Exclude only decoder_amr_wb.cpp, not dtx_decoder_amr_wb.cpp
DEC_SRC := $(shell cd $(DEC_SRC_DIR) && echo *.cpp | sed 's/ decoder_amr_wb.cpp//')

DEC_OBJS := $(DEC_SRC:.cpp=.o)
DEC_OBJS := $(patsubst %,$(DEC_SRC_DIR)/%, $(DEC_OBJS))

OBJS = wrapper.o $(DEC_OBJS)
SOBJS = $(OBJS:%.o=%.lo)

#Versioning
MAJOR = 0
MINOR = 1
REVISION = 1
VERSION = $(MAJOR).$(MINOR).$(REVISION)

ifeq ($(shell uname), Darwin)
    SHLIB_EXT = dylib
    SHLIB_FLAGS = -dynamiclib
else
    ifeq ($(shell uname | sed -e 's/\(MINGW32_NT\)\(.*\)/\1/'), MINGW32_NT)
        SHLIB_EXT = $(MAJOR).$(MINOR).$(REVISION).dll
        SHLIB_FLAGS = -shared
        SONAME = libopencore-amrwb-$(MAJOR).dll
    else
        SHLIB_EXT = so.$(MAJOR).$(MINOR).$(REVISION)
        SHLIB_FLAGS = -shared
        SONAME = libopencore-amrwb.so.$(MAJOR)
    endif
endif
SHLIB = libopencore-amrwb.$(SHLIB_EXT)

all: libopencore-amrwb.a $(SHLIB)

$(SHLIB): $(SOBJS)
ifeq ($(shell uname), Darwin)
	$(CXX) $(SHLIB_FLAGS) -o $@ $+ $(LDFLAGS)
else
	$(CXX) $(SHLIB_FLAGS) -o $@ $+ -Wl,-soname,$(SONAME) $(LDFLAGS)
endif

%.lo: %.c
	$(CC) $(CPPFLAGS) $(CFLAGS) -fPIC -DPIC -c $< -o $@

%.lo: %.cpp
	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -fPIC -DPIC -c $< -o $@

libopencore-amrwb.a: $(OBJS)
	ar rcs $@ $+

install: libopencore-amrwb.a $(SHLIB)
	install -d $(DESTDIR)$(PREFIX)/$(LIBDIR)
	install -m 644 libopencore-amrwb.a $(DESTDIR)$(PREFIX)/$(LIBDIR)
ifeq ($(shell uname | sed -e 's/\(MINGW32_NT\)\(.*\)/\1/'), MINGW32_NT)
	install -d $(DESTDIR)$(PREFIX)/$(BINDIR)
	install $(SHLIB) $(DESTDIR)$(PREFIX)/$(BINDIR)
else
	install $(SHLIB) $(DESTDIR)$(PREFIX)/$(LIBDIR)
endif
ifneq ($(shell uname), Darwin)
ifeq ($(shell uname | sed -e 's/\(MINGW32_NT\)\(.*\)/\1/'), MINGW32_NT)
	ln -sf $(SHLIB) $(DESTDIR)$(PREFIX)/$(BINDIR)/$(SONAME)
	ln -sf $(DESTDIR)$(PREFIX)/$(BINDIR)/$(SONAME) $(DESTDIR)$(PREFIX)/$(BINDIR)/libopencore-amrwb.dll
else
	ln -sf $(SHLIB) $(DESTDIR)$(PREFIX)/$(LIBDIR)/$(SONAME)
	ln -sf $(SONAME) $(DESTDIR)$(PREFIX)/$(LIBDIR)/libopencore-amrwb.so
endif
endif
	install -d $(DESTDIR)$(PREFIX)/include/opencore-amrwb
	install -m 644 dec_if.h $(DESTDIR)$(PREFIX)/include/opencore-amrwb
	install -m 644 if_rom.h $(DESTDIR)$(PREFIX)/include/opencore-amrwb

clean:
	rm -f $(SHLIB) libopencore-amrwb.a *.o *.lo $(OBJS) $(SOBJS)