30cb10ae37e68d0ee28e1f60d90a189809608a93
[openwrt.git] / 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         #