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path: root/package/libs/libpcap/patches/100-debian_shared_lib.patch
blob: 5be33b0c646c41fd602e05908e4dce447bf9329e (plain)
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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
 
@@ -324,21 +338,14 @@ 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 $@
 	ar rc $@ $(OBJ) $(ADDLARCHIVEOBJS)
 	$(RANLIB) $@
 
-shared: libpcap.$(DYEXT)
-
-libpcap.so: $(OBJ)
-	@rm -f $@
-	VER=`cat $(srcdir)/VERSION`; \
-	MAJOR_VER=`sed 's/\([0-9][0-9]*\)\..*/\1/' $(srcdir)/VERSION`; \
-	@V_SHLIB_CMD@ @V_SHLIB_OPT@ @V_SONAME_OPT@$@.$$MAJOR_VER $(LDFLAGS) \
-	    -o $@.$$VER $(OBJ) $(ADDLOBJS) $(LIBS)
+shared: $(SHAREDLIB)
 
 #
 # The following rule succeeds, but the result is untested.
@@ -409,6 +416,13 @@ 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 +430,9 @@ 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 +446,17 @@ 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 +494,9 @@ 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.
 #
@@ -562,14 +590,12 @@ 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)/$(SOLIBRARY).$(MAJ)
+	ln -sf $(SOLIBRARY).$(MAJ) $(DESTDIR)$(libdir)/$(SOLIBRARY)
 install-shared-dylib: libpcap.dylib
 	[ -d $(DESTDIR)$(libdir) ] || \
 	    (mkdir -p $(DESTDIR)$(libdir); chmod 755 $(DESTDIR)$(libdir))
--- 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,"