package/libs/libpcap/patches/100-debian_shared_lib.patch

   1 Debian-specific modifications to the upstream Makefile.in to
   2 build a shared library.
   3
   4 --- a/Makefile.in
   5 +++ b/Makefile.in
   6 @@ -40,6 +40,14 @@
   7  srcdir = @srcdir@
   8  VPATH = @srcdir@
   9
  10 +# some defines for shared library compilation
  11 +MAJ=1.3
  12 +LIBVERSION=$(MAJ).0
  13 +LIBNAME=pcap
  14 +LIBRARY=lib$(LIBNAME).a
  15 +SOLIBRARY=lib$(LIBNAME).so
  16 +SHAREDLIB=$(SOLIBRARY).$(LIBVERSION)
  17 +
  18  #
  19  # You shouldn't need to edit anything below.
  20  #
  21 @@ -60,7 +68,8 @@
  22  PROG=libpcap
  23
  24  # Standard CFLAGS
  25 -FULL_CFLAGS = $(CCOPT) $(INCLS) $(DEFS) $(CFLAGS)
  26 +FULL_CFLAGS = $(CCOPT) $(INCLS) $(DEFS) $(CFLAGS) $(CPPFLAGS)
  27 +CFLAGS_SHARED = -shared -Wl,-soname,$(SOLIBRARY).$(MAJ)
  28
  29  INSTALL = @INSTALL@
  30  INSTALL_PROGRAM = @INSTALL_PROGRAM@
  31 @@ -80,7 +89,11 @@
  32  # problem if you don't own the file but can write to the directory.
  33  .c.o:
  34         @rm -f $@
  35 -       $(CC) $(FULL_CFLAGS) -c $(srcdir)/$*.c
  36 +       $(CC) $(FULL_CFLAGS) -c -o $@ $(srcdir)/$*.c
  37 +
  38 +%_pic.o: %.c
  39 +       @rm -f $@
  40 +       $(CC) -fPIC $(FULL_CFLAGS) -c -o $@ $(srcdir)/$*.c
  41
  42  PSRC = pcap-@V_PCAP@.c @USB_SRC@ @BT_SRC@ @CAN_SRC@ @NETFILTER_SRC@ @CANUSB_SRC@
  43  FSRC =  fad-@V_FINDALLDEVS@.c
  44 @@ -96,6 +109,7 @@
  45  # We would like to say "OBJ = $(SRC:.c=.o)" but Ultrix's make cannot
  46  # hack the extra indirection
  47  OBJ =  $(PSRC:.c=.o) $(FSRC:.c=.o) $(CSRC:.c=.o) $(SSRC:.c=.o) $(GENSRC:.c=.o) $(LIBOBJS)
  48 +OBJ_PIC = $(PSRC:.c=_pic.o) $(FSRC:.c=_pic.o) $(CSRC:.c=_pic.o) $(SSRC:.c=_pic.o) $(GENSRC:.c=_pic.o)
  49  PUBHDR = \
  50         pcap.h \
  51         pcap-bpf.h \
  52 @@ -148,7 +162,7 @@
  53
  54  CLEANFILES = $(OBJ) libpcap.* $(TESTS) \
  55         $(PROG)-`cat $(srcdir)/VERSION`.tar.gz $(GENSRC) $(GENHDR) \
  56 -       lex.yy.c pcap-config
  57 +       lex.yy.c pcap-config $(OBJ_PIC)
  58
  59  MAN1 = pcap-config.1
  60
  61 @@ -352,7 +366,7 @@
  62         $(AR) rc $@ $(OBJ) $(ADDLARCHIVEOBJS)
  63         $(RANLIB) $@
  64
  65 -shared: libpcap.$(DYEXT)
  66 +shared: $(SHAREDLIB)
  67
  68  libpcap.so: $(OBJ)
  69         @rm -f $@
  70 @@ -430,6 +444,13 @@
  71  #
  72  libpcap.none:
  73
  74 +$(SHAREDLIB): $(OBJ_PIC)
  75 +       -@rm -f $@
  76 +       -@rm -f $(SOLIBRARY) $(SOLIBRARY).$(MAJ)
  77 +       $(CC) $(CFLAGS_SHARED) $(LDFLAGS) -o $(SHAREDLIB) $(OBJ_PIC) -lc $(LIBS)
  78 +       ln -s $(SHAREDLIB) $(SOLIBRARY).$(MAJ)
  79 +       ln -s $(SOLIBRARY).$(MAJ) $(SOLIBRARY)
  80 +
  81  scanner.c: $(srcdir)/scanner.l
  82         @rm -f $@
  83         $(srcdir)/runlex.sh $(LEX) -o$@ $<
  84 @@ -437,6 +458,9 @@
  85  scanner.o: scanner.c tokdefs.h
  86         $(CC) $(FULL_CFLAGS) -c scanner.c
  87
  88 +scanner_pic.o: scanner.c tokdefs.h
  89 +       $(CC) -fPIC $(FULL_CFLAGS) -o $@ -c scanner.c
  90 +
  91  pcap.o: version.h
  92
  93  tokdefs.h: grammar.c
  94 @@ -450,9 +474,16 @@
  95         @rm -f $@
  96         $(CC) $(FULL_CFLAGS) -Dyylval=pcap_lval -c grammar.c
  97
  98 +grammar_pic.o: grammar.c
  99 +       @rm -f $@
 100 +       $(CC) -fPIC $(FULL_CFLAGS) -Dyylval=pcap_lval -o $@ -c grammar.c
 101 +
 102  version.o: version.c
 103         $(CC) $(FULL_CFLAGS) -c version.c
 104
 105 +version_pic.o: version.c
 106 +       $(CC) -fPIC $(FULL_CFLAGS) -c version.c -o $@
 107 +
 108  snprintf.o: $(srcdir)/missing/snprintf.c
 109         $(CC) $(FULL_CFLAGS) -o $@ -c $(srcdir)/missing/snprintf.c
 110
 111 @@ -490,6 +521,9 @@
 112  bpf_filter.o: bpf_filter.c
 113         $(CC) $(FULL_CFLAGS) -c bpf_filter.c
 114
 115 +bpf_filter_pic.o: bpf_filter.c
 116 +       $(CC) -fPIC $(FULL_CFLAGS) -c bpf_filter.c -o $@
 117 +
 118  #
 119  # Generate the pcap-config script.
 120  #
 121 @@ -607,11 +641,9 @@
 122  install-shared-so: libpcap.so
 123         [ -d $(DESTDIR)$(libdir) ] || \
 124             (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir))
 125 -       VER=`cat $(srcdir)/VERSION`; \
 126 -       MAJOR_VER=`sed 's/\([0-9][0-9]*\)\..*/\1/' $(srcdir)/VERSION`; \
 127 -       $(INSTALL_PROGRAM) libpcap.so.$$VER $(DESTDIR)$(libdir)/libpcap.so.$$VER; \
 128 -       ln -sf libpcap.so.$$VER $(DESTDIR)$(libdir)/libpcap.so.$$MAJOR_VER; \
 129 -       ln -sf libpcap.so.$$MAJOR_VER $(DESTDIR)$(libdir)/libpcap.so
 130 +       $(INSTALL_DATA) $(SHAREDLIB) $(DESTDIR)$(libdir)/
 131 +       ln -sf $(SHAREDLIB) $(DESTDIR)$(libdir)/$(SOLIBRARY).$(MAJ)
 132 +       ln -sf $(SOLIBRARY).$(MAJ) $(DESTDIR)$(libdir)/$(SOLIBRARY)
 133  install-shared-dylib: libpcap.dylib
 134         [ -d $(DESTDIR)$(libdir) ] || \
 135             (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir))
 136 --- a/aclocal.m4
 137 +++ b/aclocal.m4
 138 @@ -262,7 +262,7 @@
 139                         esac
 140                         ;;
 141                     esac
 142 -                   V_CCOPT="$V_CCOPT $PIC_OPT"
 143 +                   V_CCOPT="$V_CCOPT"
 144                     V_SONAME_OPT="-Wl,-soname,"
 145                     V_RPATH_OPT="-Wl,-rpath,"
 146                     ;;
 147 @@ -325,7 +325,7 @@
 148                     #
 149                     # "cc" is GCC.
 150                     #
 151 -                   V_CCOPT="$V_CCOPT -fpic"
 152 +                   V_CCOPT="$V_CCOPT"
 153                     V_SHLIB_CMD="\$(CC)"
 154                     V_SHLIB_OPT="-shared"
 155                     V_SONAME_OPT="-Wl,-soname,"
 156 --- a/pcap-config.in
 157 +++ b/pcap-config.in
 158 @@ -36,16 +36,6 @@
 159         esac
 160         shift
 161  done
 162 -if [ "$V_RPATH_OPT" != "" ]
 163 -then
 164 -       #
 165 -       # If libdir isn't /usr/lib, add it to the run-time linker path.
 166 -       #
 167 -       if [ "$libdir" != "/usr/lib" ]
 168 -       then
 169 -               RPATH=$V_RPATH_OPT$libdir
 170 -       fi
 171 -fi
 172  if [ "$static" = 1 ]
 173  then
 174         #