Linking mailer and compose with a common library (libMailer)

Makefile

@@ -62,14 +62,14 @@ dist:
 		$(PACKAGE)-$(VERSION)/po/POTFILES \
 		$(PACKAGE)-$(VERSION)/po/fr.po \
 		$(PACKAGE)-$(VERSION)/po/project.conf \
-		$(PACKAGE)-$(VERSION)/src/compose.c \
-		$(PACKAGE)-$(VERSION)/src/compose-main.c \
 		$(PACKAGE)-$(VERSION)/src/account.c \
 		$(PACKAGE)-$(VERSION)/src/callbacks.c \
+		$(PACKAGE)-$(VERSION)/src/compose.c \
 		$(PACKAGE)-$(VERSION)/src/folder.c \
 		$(PACKAGE)-$(VERSION)/src/mailer.c \
-		$(PACKAGE)-$(VERSION)/src/main.c \
 		$(PACKAGE)-$(VERSION)/src/message.c \
+		$(PACKAGE)-$(VERSION)/src/compose-main.c \
+		$(PACKAGE)-$(VERSION)/src/main.c \
 		$(PACKAGE)-$(VERSION)/src/Makefile \
 		$(PACKAGE)-$(VERSION)/src/account.h \
 		$(PACKAGE)-$(VERSION)/src/callbacks.h \

data/Mailer.pc.in

@@ -8,3 +8,4 @@ Description: DeforaOS Desktop Mailer plug-ins
 Version: VERSION
 Requires: libDesktop
 Cflags: -I${includedir}
+Libs: -Wl,-R${libdir} -L${libdir} -lMailer

src/Makefile

@@ -1,15 +1,18 @@
 SUBDIRS	= account plugins
-TARGETS	= compose mailer
+TARGETS	= libMailer.a libMailer.so.0.0 libMailer.so.0 libMailer.so compose mailer
 PREFIX	= /usr/local
 DESTDIR	=
-BINDIR	= $(PREFIX)/bin
+LIBDIR	= $(PREFIX)/lib
 CC	?= cc
 CPPFLAGSF= -I ../include
 CPPFLAGS?=
-CFLAGSF	= -W `pkg-config --cflags libSystem libDesktop`
+CFLAGSF	= -W `pkg-config --cflags libDesktop`
 CFLAGS	= -Wall -g -O2 -pedantic
-LDFLAGSF= `pkg-config --libs libSystem libDesktop`
 LDFLAGS	= 
+AR	?= ar
+RANLIB	?= ranlib
+CCSHARED?= $(CC) -shared
+BINDIR	= $(PREFIX)/bin
 RM	?= rm -f
 LN	?= ln -f
 MKDIR	?= mkdir -p
@@ -21,55 +24,73 @@ all: subdirs $(TARGETS)
 subdirs:
 	@for i in $(SUBDIRS); do (cd $$i && $(MAKE)) || exit; done
 
-compose_OBJS = compose.o compose-main.o
+libMailer_OBJS = account.o callbacks.o compose.o folder.o mailer.o message.o
-compose_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
+libMailer_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS) -fPIC
-compose_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
+libMailer_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) `pkg-config --libs libDesktop`
 
-compose: $(compose_OBJS)
+libMailer.a: $(libMailer_OBJS)
+	$(AR) -rc libMailer.a $(libMailer_OBJS)
+	$(RANLIB) libMailer.a
+
+libMailer.so.0.0 libMailer.so.0 libMailer.so: $(libMailer_OBJS)
+	$(CCSHARED) -o libMailer.so.0.0 -Wl,-soname,libMailer.so.0 $(libMailer_OBJS) $(libMailer_LDFLAGS)
+	$(LN) -s -- libMailer.so.0.0 libMailer.so.0
+	$(LN) -s -- libMailer.so.0.0 libMailer.so
+
+compose_OBJS = compose-main.o
+compose_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
+compose_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) `pkg-config --libs gtk+-2.0` -L . -Wl,-rpath,$(PREFIX)/lib -lMailer
+
+compose: $(compose_OBJS) libMailer.so
 	$(CC) -o compose $(compose_OBJS) $(compose_LDFLAGS)
 
-mailer_OBJS = account.o callbacks.o folder.o mailer.o main.o message.o
+mailer_OBJS = main.o
 mailer_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
-mailer_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) compose.o
+mailer_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) `pkg-config --libs gtk+-2.0` -L . -Wl,-rpath,$(PREFIX)/lib -lMailer
 
-mailer: $(mailer_OBJS) compose.o
+mailer: $(mailer_OBJS) libMailer.so
 	$(CC) -o mailer $(mailer_OBJS) $(mailer_LDFLAGS)
 
+account.o: account.c mailer.h message.h account.h ../config.h
+	$(CC) -D PREFIX=\"$(PREFIX)\" $(libMailer_CFLAGS) -c account.c
+
+callbacks.o: callbacks.c account.h callbacks.h compose.h mailer.h gtkassistant.c
+	$(CC) $(libMailer_CFLAGS) -c callbacks.c
+
 compose.o: compose.c callbacks.h mailer.h compose.h ../config.h
-	$(CC) $(compose_CFLAGS) -c compose.c
+	$(CC) $(libMailer_CFLAGS) -c compose.c
+
+folder.o: folder.c mailer.h folder.h
+	$(CC) $(libMailer_CFLAGS) -c folder.c
+
+mailer.o: mailer.c account.h callbacks.h compose.h mailer.h ../config.h
+	$(CC) -D PREFIX=\"$(PREFIX)\" $(libMailer_CFLAGS) -c mailer.c
+
+message.o: message.c
+	$(CC) $(libMailer_CFLAGS) -c message.c
 
 compose-main.o: compose-main.c compose.h
 	$(CC) $(compose_CFLAGS) -c compose-main.c
 
-account.o: account.c mailer.h message.h account.h ../config.h
-	$(CC) -D PREFIX=\"$(PREFIX)\" $(mailer_CFLAGS) -c account.c
-
-callbacks.o: callbacks.c account.h callbacks.h compose.h mailer.h gtkassistant.c
-	$(CC) $(mailer_CFLAGS) -c callbacks.c
-
-folder.o: folder.c mailer.h folder.h
-	$(CC) $(mailer_CFLAGS) -c folder.c
-
-mailer.o: mailer.c account.h callbacks.h compose.h mailer.h ../config.h
-	$(CC) -D PREFIX=\"$(PREFIX)\" $(mailer_CFLAGS) -c mailer.c
-
 main.o: main.c mailer.h ../config.h
 	$(CC) -D PREFIX=\"$(PREFIX)\" $(mailer_CFLAGS) -c main.c
 
-message.o: message.c
-	$(CC) $(mailer_CFLAGS) -c message.c
-
 clean:
 	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) clean) || exit; done
-	$(RM) -- $(compose_OBJS) $(mailer_OBJS)
+	$(RM) -- $(libMailer_OBJS) $(compose_OBJS) $(mailer_OBJS)
 
 distclean:
 	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) distclean) || exit; done
-	$(RM) -- $(compose_OBJS) $(mailer_OBJS)
+	$(RM) -- $(libMailer_OBJS) $(compose_OBJS) $(mailer_OBJS)
 	$(RM) -- $(TARGETS)
 
 install: $(TARGETS)
 	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) install) || exit; done
+	$(MKDIR) $(DESTDIR)$(LIBDIR)
+	$(INSTALL) -m 0644 -- libMailer.a $(DESTDIR)$(LIBDIR)/libMailer.a
+	$(INSTALL) -m 0755 -- libMailer.so.0.0 $(DESTDIR)$(LIBDIR)/libMailer.so.0.0
+	$(LN) -s -- libMailer.so.0.0 $(DESTDIR)$(LIBDIR)/libMailer.so.0
+	$(LN) -s -- libMailer.so.0.0 $(DESTDIR)$(LIBDIR)/libMailer.so
 	$(MKDIR) $(DESTDIR)$(BINDIR)
 	$(INSTALL) -m 0755 -- compose $(DESTDIR)$(BINDIR)/compose
 	$(MKDIR) $(DESTDIR)$(BINDIR)
@@ -77,6 +98,10 @@ install: $(TARGETS)
 
 uninstall:
 	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) uninstall) || exit; done
+	$(RM) -- $(DESTDIR)$(LIBDIR)/libMailer.a
+	$(RM) -- $(DESTDIR)$(LIBDIR)/libMailer.so.0.0
+	$(RM) -- $(DESTDIR)$(LIBDIR)/libMailer.so.0
+	$(RM) -- $(DESTDIR)$(LIBDIR)/libMailer.so
 	$(RM) -- $(DESTDIR)$(BINDIR)/compose
 	$(RM) -- $(DESTDIR)$(BINDIR)/mailer
 

src/project.conf

@@ -1,23 +1,31 @@
 subdirs=account,plugins
-targets=compose,mailer
+targets=libMailer,compose,mailer
 cppflags_force=-I ../include
 #cppflags=-D EMBEDDED
-cflags_force=-W `pkg-config --cflags libSystem libDesktop`
+cflags_force=-W `pkg-config --cflags libDesktop`
 cflags=-Wall -g -O2 -pedantic
-ldflags_force=`pkg-config --libs libSystem libDesktop`
 ldflags=
 dist=Makefile,account.h,callbacks.h,common.c,compose.h,folder.h,mailer.h,message.h,gtkassistant.c
 
+[libMailer]
+type=library
+cflags=-fPIC
+ldflags=`pkg-config --libs libDesktop`
+sources=account.c,callbacks.c,compose.c,folder.c,mailer.c,message.c
+install=$(LIBDIR)
+
 [compose]
 type=binary
-sources=compose.c,compose-main.c
+depends=libMailer.so
+sources=compose-main.c
+ldflags=`pkg-config --libs gtk+-2.0` -L . -Wl,-rpath,$(PREFIX)/lib -lMailer
 install=$(BINDIR)
 
 [mailer]
 type=binary
-sources=account.c,callbacks.c,folder.c,mailer.c,main.c,message.c
+depends=libMailer.so
-depends=compose.o
+sources=main.c
-ldflags=compose.o
+ldflags=`pkg-config --libs gtk+-2.0` -L . -Wl,-rpath,$(PREFIX)/lib -lMailer
 install=$(BINDIR)
 
 [account.c]