CC ?= gcc
CFLAGS	?= -O2 -g -pipe
PKG_CONFIG ?= pkg-config

DIR_PERM	= 0755
FILE_PERM	= 0644

# Global libraries
LIBPURPLE_CFLAGS    +=  $(shell $(PKG_CONFIG) --cflags glib-2.0 json-glib-1.0 purple libsecret-1 zlib)
LIBPURPLE_LIBS      +=  $(shell $(PKG_CONFIG) --libs glib-2.0 json-glib-1.0 purple zlib)
PLUGIN_DIR_PURPLE    =  $(shell $(PKG_CONFIG) --variable=plugindir purple)
DATA_ROOT_DIR_PURPLE =  $(shell $(PKG_CONFIG) --variable=datarootdir purple)

# Crypt backend to use
STEAM_CRYPT_BACKEND ?= nss

ifeq ($(STEAM_CRYPT_BACKEND), nss)
	LIBPURPLE_CFLAGS += $(shell ${PKG_CONFIG} --cflags nss)
	LIBPURPLE_LIBS += $(shell ${PKG_CONFIG} --libs nss)
else ifeq ($(STEAM_CRYPT_BACKEND), gcrypt)
	LIBPURPLE_CFLAGS += $(shell libgcrypt-config --cflags) -DUSE_GCRYPT_CRYPTO
	LIBPURPLE_LIBS += $(shell libgcrypt-config --libs)
else ifeq ($(STEAM_CRYPT_BACKEND), mbedtls)
	LIBPURPLE_CFLAGS += -DUSE_MBEDTLS_CRYPTO
	LIBPURPLE_LIBS += -lmbedtls -lmbedcrypto -lmbedx509
else ifeq ($(STEAM_CRYPT_BACKEND), openssl)
	LIBPURPLE_CFLAGS += $(shell ${PKG_CONFIG} --cflags openssl) -DUSE_OPENSSL_CRYPTO
	LIBPURPLE_LIBS += $(shell ${PKG_CONFIG} --libs openssl)
endif

STEAM_SOURCES = \
	steam_connection.c \
	libsteam.c

STEAM_OBJS = $(patsubst %.c, %.o, $(STEAM_SOURCES))


all: libsteam.so

install: libsteam.so steam16.png steam22.png steam48.png
	mkdir -m $(DIR_PERM) -p "$(DESTDIR)$(PLUGIN_DIR_PURPLE)"
	install -m $(FILE_PERM) libsteam.so "$(DESTDIR)$(PLUGIN_DIR_PURPLE)/$(PRPL_NAME)"
	mkdir -m $(DIR_PERM) -p "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/16"
	install -m $(FILE_PERM) steam16.png "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/16/steam.png"
	mkdir -m $(DIR_PERM) -p "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/22"
	install -m $(FILE_PERM) steam22.png "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/22/steam.png"
	mkdir -m $(DIR_PERM) -p "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/48"
	install -m $(FILE_PERM) steam48.png "$(DESTDIR)$(DATA_ROOT_DIR_PURPLE)/pixmaps/pidgin/protocols/48/steam.png"

clean:
	rm -f libsteam.so *.o

%.o: %.c
	$(CC) -Wall -I. -fPIC $(LIBPURPLE_CFLAGS) $(CFLAGS) -c $*.c

libsteam.so: $(STEAM_OBJS)
	$(CC) -Wall -I. -fPIC $(LIBPURPLE_CFLAGS) $(CFLAGS) $(STEAM_OBJS) -o $@ $(LDFLAGS) $(LIBPURPLE_LIBS) -shared


.PHONY:	all clean install