Debian-specific modifications to the upstream Makefile.in to build a shared library. --- a/Makefile.in +++ b/Makefile.in @@ -40,6 +40,13 @@ mandir = @mandir@ srcdir = @srcdir@ VPATH = @srcdir@ +# some defines for shared library compilation +LIBVERSION=1 +LIBNAME=pcap +LIBRARY=lib$(LIBNAME).a +SOLIBRARY=lib$(LIBNAME).so +SHAREDLIB=$(SOLIBRARY).$(LIBVERSION) + # # You shouldn't need to edit anything below. # @@ -69,7 +76,8 @@ INSTALL_RPCAPD=@INSTALL_RPCAPD@ EXTRA_NETWORK_LIBS=@EXTRA_NETWORK_LIBS@ # Standard CFLAGS for building members of a shared library -FULL_CFLAGS = $(CCOPT) $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS) +FULL_CFLAGS = $(CCOPT) $(SHLIB_CCOPT) $(INCLS) $(DEFS) $(CFLAGS) $(CPPFLAGS) +CFLAGS_SHARED = -shared -Wl,-soname,$(SHAREDLIB) INSTALL = @INSTALL@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ @@ -84,7 +92,11 @@ YACC = @YACC@ # problem if you don't own the file but can write to the directory. .c.o: @rm -f $@ - $(CC) $(FULL_CFLAGS) -c $(srcdir)/$*.c + $(CC) $(FULL_CFLAGS) -c -o $@ $(srcdir)/$*.c + +%_pic.o: %.c %.o + @rm -f $@ + $(CC) -fPIC $(FULL_CFLAGS) -c -o $@ $(srcdir)/$*.c PSRC = pcap-@V_PCAP@.c @USB_SRC@ @BT_SRC@ @BT_MONITOR_SRC@ @NETFILTER_SRC@ @DBUS_SRC@ @NETMAP_SRC@ @RDMA_SRC@ FSRC = @V_FINDALLDEVS@ @@ -101,6 +113,7 @@ SRC = $(PSRC) $(FSRC) $(CSRC) $(SSRC) $( # We would like to say "OBJ = $(SRC:.c=.o)" but Ultrix's make cannot # hack the extra indirection OBJ = $(PSRC:.c=.o) $(FSRC:.c=.o) $(CSRC:.c=.o) $(SSRC:.c=.o) $(GENSRC:.c=.o) $(LIBOBJS) +OBJ_PIC = $(PSRC:.c=_pic.o) $(FSRC:.c=_pic.o) $(CSRC:.c=_pic.o) $(SSRC:.c=_pic.o) $(GENSRC:.c=_pic.o) PUBHDR = \ pcap.h \ pcap-bpf.h \ @@ -154,7 +167,7 @@ TAGFILES = \ CLEANFILES = $(OBJ) libpcap.a libpcap.so.`cat $(srcdir)/VERSION` \ $(PROG)-`cat $(srcdir)/VERSION`.tar.gz $(GENSRC) $(GENHDR) \ - lex.yy.c pcap-config libpcap.pc + lex.yy.c pcap-config libpcap.pc $(OBJ_PIC) MAN1 = pcap-config.1 @@ -386,7 +399,7 @@ libpcap.a: $(OBJ) $(AR) rc $@ $(OBJ) $(ADDLARCHIVEOBJS) $(RANLIB) $@ -shared: libpcap.$(DYEXT) +shared: $(SHAREDLIB) libpcap.so: $(OBJ) @rm -f $@ @@ -462,6 +475,12 @@ libpcap.shareda: $(OBJ) # libpcap.none: +$(SHAREDLIB): $(OBJ_PIC) + -@rm -f $@ + -@rm -f $(SOLIBRARY) + $(CC) $(CFLAGS_SHARED) $(LDFLAGS) -o $(SHAREDLIB) $(OBJ_PIC) -lc $(LIBS) + ln -s $(SHAREDLIB) $(SOLIBRARY) + scanner.c: $(srcdir)/scanner.l $(LEX) -P pcap_ --header-file=scanner.h --nounput -o scanner.c $< scanner.h: scanner.c @@ -474,6 +493,9 @@ scanner.h: scanner.c scanner.o: scanner.c grammar.h $(CC) $(FULL_CFLAGS) -c scanner.c +scanner_pic.o: scanner.c grammar.h + $(CC) -fPIC $(FULL_CFLAGS) -o $@ -c scanner.c + grammar.c: $(srcdir)/grammar.y $(YACC) -p pcap_ -o grammar.c -d $< grammar.h: grammar.c @@ -486,6 +508,9 @@ grammar.h: grammar.c grammar.o: grammar.c scanner.h $(CC) $(FULL_CFLAGS) -c grammar.c +grammar_pic.o: grammar.c scanner.h + $(CC) -fPIC $(FULL_CFLAGS) -o $@ -c grammar.c + gencode.o: $(srcdir)/gencode.c grammar.h scanner.h $(CC) $(FULL_CFLAGS) -c $(srcdir)/gencode.c @@ -524,6 +549,9 @@ pcap-config: $(srcdir)/pcap-config.in ./ mv $@.tmp $@ chmod a+x $@ +bpf_filter_pic.o: bpf_filter.c + $(CC) -fPIC $(FULL_CFLAGS) -c bpf_filter.c -o $@ + # # Remote pcap daemon. # @@ -614,14 +642,11 @@ install: install-shared install-archive $(DESTDIR)$(mandir)/man@MAN_MISC_INFO@/`echo $$i | sed 's/.manmisc.in/.@MAN_MISC_INFO@/'`; done install-shared: install-shared-$(DYEXT) -install-shared-so: libpcap.so +install-shared-so: $(SHAREDLIB) [ -d $(DESTDIR)$(libdir) ] || \ (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir)) - VER=`cat $(srcdir)/VERSION`; \ - MAJOR_VER=`sed 's/\([0-9][0-9]*\)\..*/\1/' $(srcdir)/VERSION`; \ - $(INSTALL_PROGRAM) libpcap.so.$$VER $(DESTDIR)$(libdir)/libpcap.so.$$VER; \ - ln -sf libpcap.so.$$VER $(DESTDIR)$(libdir)/libpcap.so.$$MAJOR_VER; \ - ln -sf libpcap.so.$$MAJOR_VER $(DESTDIR)$(libdir)/libpcap.so + $(INSTALL_DATA) $(SHAREDLIB) $(DESTDIR)$(libdir)/ + ln -sf $(SHAREDLIB) $(DESTDIR)$(libdir)/$(SOLIBRARY) install-shared-dylib: libpcap.dylib [ -d $(DESTDIR)$(libdir) ] || \ (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir)) --- a/aclocal.m4 +++ b/aclocal.m4 @@ -507,7 +507,7 @@ AC_DEFUN(AC_LBL_SHLIBS_INIT, esac ;; esac - V_SHLIB_CCOPT="$V_SHLIB_CCOPT $PIC_OPT" + V_SHLIB_CCOPT="$V_SHLIB_CCOPT" V_SONAME_OPT="-Wl,-soname," V_RPATH_OPT="-Wl,-rpath," ;; @@ -570,7 +570,7 @@ AC_DEFUN(AC_LBL_SHLIBS_INIT, # # "cc" is GCC. # - V_SHLIB_CCOPT="$V_SHLIB_CCOPT -fpic" + V_SHLIB_CCOPT="$V_SHLIB_CCOPT" V_SHLIB_CMD="\$(CC)" V_SHLIB_OPT="-shared" V_SONAME_OPT="-Wl,-soname," --- a/pcap-config.in +++ b/pcap-config.in @@ -41,16 +41,6 @@ do esac shift done -if [ "$V_RPATH_OPT" != "" ] -then - # - # If libdir isn't /usr/lib, add it to the run-time linker path. - # - if [ "$libdir" != "/usr/lib" ] - then - RPATH=$V_RPATH_OPT$libdir - fi -fi if [ "$static" = 1 ] then #