Debian-specific modifications to the upstream Makefile.in to build a shared library. --- Makefile.in | 45 ++++++++++++++++++++++++++++++++++++++++++--- configure | 2 +- configure.in | 2 +- 3 files changed, 44 insertions(+), 5 deletions(-) --- a/Makefile.in +++ b/Makefile.in @@ -40,6 +40,14 @@ mandir = @mandir@ srcdir = @srcdir@ VPATH = @srcdir@ +# some defines for shared library compilation +MAJ=1.1 +LIBVERSION=$(MAJ).1 +LIBNAME=pcap +LIBRARY=lib$(LIBNAME).a +SOLIBRARY=lib$(LIBNAME).so +SHAREDLIB=$(SOLIBRARY).$(LIBVERSION) + # # You shouldn't need to edit anything below. # @@ -59,6 +67,7 @@ PROG=libpcap # Standard CFLAGS CFLAGS = $(CCOPT) $(INCLS) $(DEFS) +CFLAGS_SHARED = -shared -Wl,-soname,$(SOLIBRARY).$(MAJ) INSTALL = @INSTALL@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ @@ -78,7 +87,11 @@ YACC = @V_YACC@ # problem if you don't own the file but can write to the directory. .c.o: @rm -f $@ - $(CC) $(CFLAGS) -c $(srcdir)/$*.c + $(CC) $(CFLAGS) -c -o $@ $(srcdir)/$*.c + +%_pic.o: %.c + @rm -f $@ + $(CC) -fPIC $(CFLAGS) -c -o $@ $(srcdir)/$*.c PSRC = pcap-@V_PCAP@.c @USB_SRC@ @BT_SRC@ @CAN_SRC@ FSRC = fad-@V_FINDALLDEVS@.c @@ -94,6 +107,7 @@ 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 \ @@ -131,7 +145,7 @@ TAGFILES = \ CLEANFILES = $(OBJ) libpcap.* filtertest findalldevstest selpolltest \ opentest $(PROG)-`cat $(srcdir)/VERSION`.tar.gz $(GENSRC) $(GENHDR) \ - lex.yy.c pcap-config + lex.yy.c pcap-config $(OBJ_PIC) MAN1 = pcap-config.1 @@ -324,7 +338,7 @@ EXTRA_DIST = \ Win32/Src/inet_net.c \ Win32/Src/inet_pton.c -all: libpcap.a shared pcap-config +all: libpcap.a shared pcap-config $(SHAREDLIB) libpcap.a: $(OBJ) @rm -f $@ @@ -409,6 +423,13 @@ libpcap.shareda: $(OBJ) # libpcap.none: +$(SHAREDLIB): $(OBJ_PIC) + -@rm -f $@ + -@rm -f $(SOLIBRARY) $(SOLIBRARY).$(MAJ) + $(CC) $(CFLAGS_SHARED) -o $(SHAREDLIB) $(OBJ_PIC) -lc + ln -s $(SHAREDLIB) $(SOLIBRARY).$(MAJ) + ln -s $(SOLIBRARY).$(MAJ) $(SOLIBRARY) + scanner.c: $(srcdir)/scanner.l @rm -f $@ $(srcdir)/runlex.sh $(LEX) -o$@ $< @@ -416,6 +437,9 @@ scanner.c: $(srcdir)/scanner.l scanner.o: scanner.c tokdefs.h $(CC) $(CFLAGS) -c scanner.c +scanner_pic.o: scanner.c tokdefs.h + $(CC) -fPIC $(CFLAGS) -o $@ -c scanner.c + pcap.o: version.h tokdefs.h: grammar.c @@ -429,9 +453,17 @@ grammar.o: grammar.c @rm -f $@ $(CC) $(CFLAGS) -Dyylval=pcap_lval -c grammar.c +grammar_pic.o: grammar.c + @rm -f $@ + $(CC) -fPIC $(CFLAGS) -Dyylval=pcap_lval -o $@ -c grammar.c + version.o: version.c $(CC) $(CFLAGS) -c version.c +version_pic.o: version.c + $(CC) -fPIC $(CFLAGS) -c version.c -o $@ + + snprintf.o: $(srcdir)/missing/snprintf.c $(CC) $(CFLAGS) -o $@ -c $(srcdir)/missing/snprintf.c @@ -469,6 +501,9 @@ bpf_filter.c: $(srcdir)/bpf/net/bpf_filt bpf_filter.o: bpf_filter.c $(CC) $(CFLAGS) -c bpf_filter.c +bpf_filter_pic.o: bpf_filter.c + $(CC) -fPIC $(CFLAGS) -c bpf_filter.c -o $@ + # # Generate the pcap-config script. # @@ -604,6 +639,9 @@ install-archive-so install-archive-dylib (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir)) $(INSTALL_DATA) libpcap.a $(DESTDIR)$(libdir)/libpcap.a $(RANLIB) $(DESTDIR)$(libdir)/libpcap.a + $(INSTALL_DATA) $(SHAREDLIB) $(DESTDIR)$(libdir)/ + ln -sf $(SHAREDLIB) $(DESTDIR)$(libdir)/$(SOLIBRARY).$(MAJ) + ln -sf $(SOLIBRARY).$(MAJ) $(DESTDIR)$(libdir)/$(SOLIBRARY) install-archive-shareda: # # AIX, however, doesn't, so we don't install the archive --- a/configure +++ b/configure @@ -3229,7 +3229,7 @@ _ACEOF # or accepts command-line arguments like # those the GNU linker accepts. # - V_CCOPT="$V_CCOPT -fpic" + V_CCOPT="$V_CCOPT" V_SONAME_OPT="-Wl,-soname," V_RPATH_OPT="-Wl,-rpath," ;; @@ -3292,7 +3292,7 @@ _ACEOF # # "cc" is GCC. # - V_CCOPT="$V_CCOPT -fpic" + V_CCOPT="$V_CCOPT" V_SHLIB_CMD="\$(CC)" V_SHLIB_OPT="-shared" V_SONAME_OPT="-Wl,-soname,"