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Check several sets of additional libraries that libpcap might need 

(-lcfg -lodm on AIX with the current tcpdump.org libpcap, -lpfring with
the ring buffer stuff on Linux).

svn path=/trunk/; revision=17996
This commit is contained in:
Guy Harris 2006-04-25 18:01:43 +00:00
parent 21ec14f314
commit 134c7734b3
1 changed files with 33 additions and 16 deletions
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49
acinclude.m4
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@ -367,31 +367,48 @@ and did you also install that package?]]))
# #
# Check to see if we find "pcap_open_live" in "-lpcap". # Check to see if we find "pcap_open_live" in "-lpcap".
# Also check for various additional libraries that libpcap might
# require.
# #
AC_CHECK_LIB(pcap, pcap_open_live, AC_CHECK_LIB(pcap, pcap_open_live,
[ [
PCAP_LIBS=-lpcap PCAP_LIBS=-lpcap
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library]) AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
], [ ], [
AC_MSG_CHECKING([for pcap_open_live in -lpcap -lcfg -lodm]) ac_ethereal_extras_found=no
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lpcap -lcfg -lodm" for extras in "-lcfg -lodm" "-lpfring"
AC_TRY_LINK( do
[ AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
LIBS="-lpcap $extras"
#
# XXX - can't we use AC_CHECK_LIB here?
#
AC_TRY_LINK(
[
# include <pcap.h> # include <pcap.h>
], ],
[ [
pcap_open_live(NULL, 0, 0, 0, NULL); pcap_open_live(NULL, 0, 0, 0, NULL);
], ],
[ [
AC_MSG_RESULT([yes]) ac_ethereal_extras_found=yes
PCAP_LIBS="-lpcap -lcfg -lodm" AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library]) PCAP_LIBS="-lpcap $extras"
], AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
[ ],
AC_MSG_RESULT([no]) [
AC_MSG_ERROR([Library libpcap not found.]) AC_MSG_RESULT([no])
]) ])
if test x$ac_ethereal_extras_found = xyes
then
break
fi
done
if test x$ac_ethereal_extras_found = xno
then
AC_MSG_ERROR([Can't link with library libpcap.])
fi
LIBS=$ac_save_LIBS LIBS=$ac_save_LIBS
], $SOCKET_LIBS $NSL_LIBS) ], $SOCKET_LIBS $NSL_LIBS)
AC_SUBST(PCAP_LIBS) AC_SUBST(PCAP_LIBS)