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build: properly handle ./configure --with-libpcap

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Without this fix, ./configure --with-libpcap will cause --with-libpcap=yes
to be implicitly passed down, which cause yes/bin/pcap-config to be
searched for rather than /usr/bin/pcap-config.

Also output pcap: no when pcap is not found or disabled.
This commit is contained in:
Diego Elio Pettenò 2010-12-13 14:44:46 +01:00 committed by Eric Blake
parent 5faf88fe98
commit 0b9ab2abf1
1 changed files with 16 additions and 14 deletions
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30
configure.ac
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@ -1194,20 +1194,22 @@ LIBPCAP_FOUND="no"
AC_ARG_WITH([libpcap], AC_HELP_STRING([--with-libpcap=@<:@PFX@:>@], [libpcap location]))
if test "$with_qemu" = "yes"; then
if test "x$with_libpcap" != "xno" ; then
if test "x$with_libpcap" != "x" ; then
LIBPCAP_CONFIG=$with_libpcap/bin/$LIBPCAP_CONFIG
fi
AC_MSG_CHECKING(libpcap $LIBPCAP_CONFIG >= $LIBPCAP_REQUIRED )
if ! $LIBPCAP_CONFIG --libs > /dev/null 2>&1 ; then
AC_MSG_RESULT(no)
else
LIBPCAP_LIBS="`$LIBPCAP_CONFIG --libs`"
LIBPCAP_CFLAGS="`$LIBPCAP_CONFIG --cflags`"
LIBPCAP_FOUND="yes"
AC_MSG_RESULT(yes)
fi
AS_CASE(["x$with_libpcap"],
[xno], [LIBPCAP_CONFIG=""],
[x|xyes], [LIBPCAP_CONFIG="pcap-config"],
[LIBPCAP_CONFIG="$with_libpcap/bin/pcap-config"]
)
AS_IF([test "x$LIBPCAP_CONFIG" != "x"], [
AC_MSG_CHECKING(libpcap $LIBPCAP_CONFIG >= $LIBPCAP_REQUIRED )
if ! $LIBPCAP_CONFIG --libs > /dev/null 2>&1 ; then
AC_MSG_RESULT(no)
else
LIBPCAP_LIBS="`$LIBPCAP_CONFIG --libs`"
LIBPCAP_CFLAGS="`$LIBPCAP_CONFIG --cflags`"
LIBPCAP_FOUND="yes"
AC_MSG_RESULT(yes)
fi
])
fi
if test "x$LIBPCAP_FOUND" = "xyes"; then
@ -2406,7 +2408,7 @@ AC_MSG_NOTICE([ xmlrpc: $XMLRPC_CFLAGS $XMLRPC_LIBS])
else
AC_MSG_NOTICE([ xmlrpc: no])
fi
if test "$with_qemu" = "yes" ; then
if test "$with_qemu" = "yes" && test "$LIBPCAP_FOUND" != "no"; then
AC_MSG_NOTICE([ pcap: $LIBPCAP_CFLAGS $LIBPCAP_LIBS])
else
AC_MSG_NOTICE([ pcap: no])