As with libpcap, so with tcpdump; when testing whether "inline" works,
use the V_CCOPT flags, because some of those might disable inlining;
otherwise, the test for inlining will succeed, but inlining won't work
with the options we're using when compiling.
diff --git a/configure b/configure
index ccc864b..03a5d48 100755
--- a/configure
+++ b/configure
@@ -3049,6 +3049,8 @@
{ echo "$as_me:$LINENO: checking for inline" >&5
echo $ECHO_N "checking for inline... $ECHO_C" >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$V_CCOPT"
if test "${ac_cv_lbl_inline+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
@@ -3120,6 +3122,7 @@
fi
fi
+ CFLAGS="$save_CFLAGS"
if test ! -z "$ac_cv_lbl_inline" ; then
{ echo "$as_me:$LINENO: result: $ac_cv_lbl_inline" >&5
echo "${ECHO_T}$ac_cv_lbl_inline" >&6; }