these changes to aclocal let tcpdump, when build out of source tree,

to find a libpcap that is adjacent to it, also built out of source tree

diff --git a/aclocal.m4 b/aclocal.m4
index fbd6a8e5754436e88f4ba736377830ed3290a4f6..80614cf21050b92f5c6e18020f30662ca82935e9 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -443,7 +443,9 @@ AC_DEFUN(AC_LBL_LIBPCAP,
     lastdir=FAIL
     places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
        egrep '/libpcap-[[0-9]]+\.[[0-9]]+(\.[[0-9]]*)?([[ab]][[0-9]]*|-PRE-GIT)?$'`
-    for dir in $places $srcdir/../libpcap $srcdir/libpcap ; do
+    places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
+       egrep '/libpcap-[[0-9]]+\.[[0-9]]+(\.[[0-9]]*)?([[ab]][[0-9]]*|-PRE-GIT)?$'`
+    for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
            basedir=`echo $dir | sed -e 's/[[ab]][[0-9]]*$//' | \
                sed -e 's/-PRE-GIT$//' `
            if test $lastdir = $basedir ; then
@@ -526,13 +528,23 @@ AC_DEFUN(AC_LBL_LIBPCAP,
            $1=$libpcap
            places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
                        egrep '/libpcap-[[0-9]]*.[[0-9]]*(.[[0-9]]*)?([[ab]][[0-9]]*)?$'`
+           places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
+                       egrep '/libpcap-[[0-9]]*.[[0-9]]*(.[[0-9]]*)?([[ab]][[0-9]]*)?$'`
+            pcapH=FAIL
            if test -r $d/pcap.h; then
-                   $2="-I$d $$2"
-           elif test -r $places/pcap.h; then
-                   $2="-I$places $$2"
+                    pcapH=$d
            else
+                for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
+                   if test -r $dir/pcap.h ; then
+                       pcapH=$dir
+                   fi
+                done
+            fi
+
+            if test $pcapH = FAIL ; then
                     AC_MSG_ERROR(cannot find pcap.h: see INSTALL)
            fi
+            $2="-I$pcapH $$2"
            AC_MSG_RESULT($libpcap)
            AC_PATH_PROG(PCAP_CONFIG, pcap-config,, $d)
            if test -n "$PCAP_CONFIG"; then

diff --git a/configure b/configure
index d6662dc8917349e87d1f354091ec33f66f542183..83a07eff6c5f86ba823c93c3209778fdae933b18 100755 (executable)
--- a/configure
+++ b/configure
@@ -5805,7 +5805,9 @@ $as_echo_n "checking for local pcap library... " >&6; }
     lastdir=FAIL
     places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
        egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT)?$'`
-    for dir in $places $srcdir/../libpcap $srcdir/libpcap ; do
+    places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
+       egrep '/libpcap-[0-9]+\.[0-9]+(\.[0-9]*)?([ab][0-9]*|-PRE-GIT)?$'`
+    for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
            basedir=`echo $dir | sed -e 's/[ab][0-9]*$//' | \
                sed -e 's/-PRE-GIT$//' `
            if test $lastdir = $basedir ; then
@@ -6001,13 +6003,23 @@ $as_echo "found -- -I$d added" >&6; }
            V_PCAPDEP=$libpcap
            places=`ls $srcdir/.. | sed -e 's,/$,,' -e "s,^,$srcdir/../," | \
                        egrep '/libpcap-[0-9]*.[0-9]*(.[0-9]*)?([ab][0-9]*)?$'`
+           places2=`ls .. | sed -e 's,/$,,' -e "s,^,../," | \
+                       egrep '/libpcap-[0-9]*.[0-9]*(.[0-9]*)?([ab][0-9]*)?$'`
+            pcapH=FAIL
            if test -r $d/pcap.h; then
-                   V_INCLS="-I$d $V_INCLS"
-           elif test -r $places/pcap.h; then
-                   V_INCLS="-I$places $V_INCLS"
+                    pcapH=$d
            else
-                    as_fn_error see INSTALL "cannot find pcap.h" "$LINENO" 5
+                for dir in $places $srcdir/../libpcap ../libpcap $srcdir/libpcap $places2 ; do
+                   if test -r $dir/pcap.h ; then
+                       pcapH=$dir
+                   fi
+                done
+            fi
+
+            if test $pcapH = FAIL ; then
+                    as_fn_error $? "cannot find pcap.h: see INSTALL" "$LINENO" 5
            fi
+            V_INCLS="-I$pcapH $V_INCLS"
            { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libpcap" >&5
 $as_echo "$libpcap" >&6; }
            # Extract the first word of "pcap-config", so it can be a program name with args.