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nmap/libpcap/NMAP_MODIFICATIONS
2010-04-21 04:39:45 +00:00

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o Included this file, renamed directory from libpcap-1.0.0 to libpcap.
o Added @CFLAGS@ to the CFLAGS definition in Makefile.in to pick up -g
if configure determines that it is supported:
--- Makefile.in.orig 2009-11-04 11:35:44.000000000 -0700
+++ Makefile.in 2009-11-04 11:50:02.000000000 -0700
@@ -55,7 +55,7 @@
PROG=libpcap
# Standard CFLAGS
-CFLAGS = $(CCOPT) $(INCLS) $(DEFS)
+CFLAGS = @CFLAGS@ $(CCOPT) $(INCLS) $(DEFS)
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
o Eliminated Lex/Yacc requirement and added the generated files:
grammar.c
scanner.c
scanner.h
tokdefs.h
--- Makefile.in.orig 2009-11-04 11:35:44.000000000 -0700
+++ Makefile.in 2009-11-04 11:46:43.000000000 -0700
@@ -55,21 +55,13 @@
PROG=libpcap
# Standard CFLAGS
-CFLAGS = $(CCOPT) $(INCLS) $(DEFS)
+CFLAGS = @CFLAGS@ $(CCOPT) $(INCLS) $(DEFS)
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
RANLIB = @RANLIB@
-#
-# Flex and bison allow you to specify the prefixes of the global symbols
-# used by the generated parser. This allows programs to use lex/yacc
-# and link against libpcap. If you don't have flex or bison, get them.
-#
-LEX = @V_LEX@
-YACC = @V_YACC@
-
# Explicitly define compilation rule since SunOS 4's make doesn't like gcc.
# Also, gcc does not remove the .o before forking 'as', which can be a
# problem if you don't own the file but can write to the directory.
@@ -122,7 +114,7 @@
TAGFILES = \
$(SRC) $(HDR) $(TAGHDR)
-CLEANFILES = $(OBJ) libpcap.a $(GENSRC) $(GENHDR) lex.yy.c
+CLEANFILES = $(OBJ) libpcap.a lex.yy.c
MAN1 = pcap-config.1
@@ -313,6 +305,15 @@
all: libpcap.a pcap-config
+# Inhibit implicit rule Make seems to have for using yacc/lex to
+# recompile new scanner.c/grammar.c -- we ship ones which we want to
+# use instead.
+grammar.c:
+ echo "Not rebuilding grammar.c"
+
+scanner.c:
+ echo "Not rebuilding scanner.c"
+
libpcap.a: $(OBJ)
@rm -f $@
$(AR) rc $@ $(OBJ) $(LIBS)
@@ -344,22 +345,11 @@
-compatibility_version 1 \
-current_version `sed 's/[^0-9.].*$$//' $(srcdir)/VERSION`
-scanner.c: $(srcdir)/scanner.l
- @rm -f $@
- ./runlex.sh $(LEX) -o$@ $<
-
scanner.o: scanner.c tokdefs.h
$(CC) $(CFLAGS) -c scanner.c
pcap.o: version.h
-tokdefs.h: grammar.c
-grammar.c: $(srcdir)/grammar.y
- @rm -f grammar.c tokdefs.h
- $(YACC) -d $<
- mv y.tab.c grammar.c
- mv y.tab.h tokdefs.h
-
grammar.o: grammar.c
@rm -f $@
$(CC) $(CFLAGS) -Dyylval=pcap_lval -c grammar.c
--- configure.in.orig 2009-10-27 16:20:34.000000000 -0600
+++ configure.in 2009-10-27 16:14:32.000000000 -0600
@@ -848,24 +848,6 @@
fi
-AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
-if test "$V_LEX" = lex ; then
-# Some versions of lex can't handle the definitions section of scanner.l .
-# Try lexing it and complain if it can't deal.
- AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
- if lex -t scanner.l > /dev/null 2>&1; then
- tcpdump_cv_capable_lex=yes
- else
- tcpdump_cv_capable_lex=insufficient
- fi)
- if test $tcpdump_cv_capable_lex = insufficient ; then
- AC_MSG_ERROR([Your operating system's lex is insufficient to compile
- libpcap. flex is a lex replacement that has many advantages, including
- being able to compile libpcap. For more information, see
- http://www.gnu.org/software/flex/flex.html .])
- fi
-fi
-
#
# Assume a.out/ELF convention for shared library names (".so"), and
# V7/BSD convention for man pages (file formats in section 5,
@@ -1004,10 +986,8 @@
AC_SUBST(V_DEFS)
AC_SUBST(V_INCLS)
AC_SUBST(V_LIBS)
-AC_SUBST(V_LEX)
AC_SUBST(V_PCAP)
AC_SUBST(V_FINDALLDEVS)
-AC_SUBST(V_YACC)
AC_SUBST(SSRC)
AC_SUBST(DYEXT)
AC_SUBST(DAGLIBS)
o Regenerated configure.