# Emplacement de la suite de cross-compilation
TOOLCHAIN_PREFIX = $$HOME/openwrt/atheros/8.09
TOOLCHAIN_BIN = $(TOOLCHAIN_PREFIX)/staging_dir/toolchain-mips_gcc4.1.2/bin
TOOLCHAIN_USR = $(TOOLCHAIN_PREFIX)/staging_dir/mips/usr
TOOLCHAIN_USR_2 = $(TOOLCHAIN_PREFIX)/build_dir/mips/OpenWrt-SDK-atheros-for-Linux-i686/staging_dir/toolchain-mips_gcc4.1.2

# Répertoire d'installation
PREFIX=/usr/local
INSTALL_LIB= $(PREFIX)/lib
INSTALL_INC= $(PREFIX)/include
INSTALL_MAN= $(PREFIX)/share/man

# Compilateur
CC = $(TOOLCHAIN_BIN)/mips-linux-gcc

# Autres outils
AR = ar
RANLIB = ranlib

# Commandes d'installation et de désinstallation
RM = rm -f
CP = cp
SYMLINK = ln -sf

# Variables générales
LIB_CIBLE=libowlps
VERSION=1.0

# Cibles à construire
STATIC=$(LIB_CIBLE).a
DYNAMIC=$(LIB_CIBLE).so.$(VERSION)
#PROGS=
HEADER=owlps.h
#HEADERS=

# Composition de la bibliothèque
OBJS=$(LIB_CIBLE).o

# Flags
CFLAGS = -O2 -Wall -Wextra -Wstrict-prototypes -O
#CFLAGS += -D NDEBUG
DEPFLAGS=-MMD
XCFLAGS=$(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS)
PICFLAG=-fPIC
LIBS = -lrt
#STRIPFLAGS= -Wl,-s
#LDFLAGS=
LATHEROS = -L$(TOOLCHAIN_USR)/lib -L$(TOOLCHAIN_USR_2)/lib
IATHEROS = -I$(TOOLCHAIN_USR)/include -I$(TOOLCHAIN_USR_2)/include


## Cibles de compilation standard ##

.PHONY : all dynamic static install install-dynamic install-static install-header uninstall uninstall-dynamic uninstall-static uninstall-header clean purge help

all : dynamic static
dynamic : $(DYNAMIC)
static : $(STATIC)

%.o: %.c $(HEADER)
	$(CC) $(XCFLAGS) $(IATHEROS) $(PICFLAG) -c -o $@ $<

# Compilation de la bibliothèque dynamique
$(DYNAMIC): $(OBJS)
	$(CC) -shared -o $@ -Wl,-soname,$@ $(STRIPFLAGS) $(LIBS) $(IATHEROS) $(LATHEROS) -lc $^
	$(SYMLINK) $@ $(LIB_CIBLE).so
	chmod a-x $@

# Compilation de la bibliothèque statique
$(STATIC): $(OBJS)
	$(RM) $@
	$(AR) cru $@ $^
	$(RANLIB) $@


## Installation ##

install : install-static install-dynamic

install-dynamic : install-header $(DYNAMIC)
	@$(CP) $(DYNAMIC) $(INSTALL_LIB) &&\
		chmod 644 $(INSTALL_LIB)/$(DYNAMIC) &&\
		chown root:root $(INSTALL_LIB)/$(DYNAMIC) &&\
		cd $(INSTALL_LIB) && $(SYMLINK) $(DYNAMIC) $(LIB_CIBLE).so &&\
		echo "Reconstruction du cache pour ld.so : ldconfig $(INSTALL_LIB)" ; ldconfig $(INSTALL_LIB)

install-static : install-header $(STATIC)
	@$(CP) $(STATIC) $(INSTALL_LIB) &&\
		chmod 644 $(INSTALL_LIB)/$(STATIC) &&\
		chown root:root $(INSTALL_LIB)/$(STATIC)

install-header : $(HEADER)
	@$(CP) $(HEADER) $(INSTALL_INC) &&\
		chmod 644 $(INSTALL_INC)/$(HEADER) &&\
		chown root:root $(INSTALL_INC)/$(HEADER)


## Désinstallation ##

uninstall : uninstall-dynamic uninstall-static

uninstall-dynamic : uninstall-header
	@$(RM) $(INSTALL_LIB)/$(DYNAMIC) $(INSTALL_LIB)/$(LIB_CIBLE).so
	@echo "Reconstruction du cache pour ld.so : ldconfig" ; ldconfig

uninstall-static : uninstall-header
	@$(RM) $(INSTALL_LIB)/$(STATIC)

uninstall-header :
	@$(RM) $(INSTALL_INC)/$(HEADER)


## Nettoyage ##

clean :
	@$(RM) *~ *.o *.d

purge : clean
	@$(RM) $(DYNAMIC) *.so $(STATIC) $(PROGS)


## Aide ##

help :
	@make help