diff options
| author | Jeremy Sowden <jeremy@azazel.net> | 2022-01-09 11:57:47 +0000 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-01-11 22:15:33 +0100 |
| commit | be4df8f66eb843dc19c7d1fed7c33fd7a40c2e21 (patch) | |
| tree | 99953ed7f800622791f4fed6c88c4f4e7e1f614c /configure.ac | |
| parent | 3d64f815687c33c3dbaa51ca4f3ee51441fde487 (diff) | |
build: use pkg-config or pcap-config for libpcap
Recent versions of libpcap support pkg-config. Older versions provide a
pcap-config script. Use pkg-config if available, otherwise fall back to
pcap-config.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index bcdd2f8..6909ea4 100644 --- a/configure.ac +++ b/configure.ac @@ -153,9 +153,33 @@ AM_CONDITIONAL([HAVE_DBI], [test "x$libdbi_LIBS" != "x"]) AC_ARG_ENABLE([pcap], [AS_HELP_STRING([--enable-pcap], [Enable PCAP output plugin [default=test]])]) -AS_IF([test "x$enable_pcap" != "xno"], - [AC_SEARCH_LIBS([pcap_close], [pcap], [libpcap_LIBS="-lpcap"; LIBS=""]) - AC_SUBST([libpcap_LIBS])]) +AS_IF([test "x$enable_pcap" != "xno"], [ + + PKG_CHECK_EXISTS([libpcap], [PKG_CHECK_MODULES([libpcap], [libpcap])], [ + + AC_ARG_WITH([pcap-config], + [AS_HELP_STRING([--with-pcap-config=PATH], [Path to the pcap-config script])], + [pcap_config="$withval"], [pcap_config=pcap-config]) + + AC_MSG_CHECKING([for pcap-config]) + + AS_IF([command -v "$pcap_config" >/dev/null], [ + + libpcap_CFLAGS="`$pcap_config --cflags`" + libpcap_LIBS="`$pcap_config --libs`" + + AC_SUBST([libpcap_CFLAGS]) + AC_SUBST([libpcap_LIBS]) + + AC_MSG_RESULT([$pcap_config]) + + ], [ + AC_MSG_RESULT([no]) + ]) + + ]) + +]) AS_IF([test "x$libpcap_LIBS" != "x"], [enable_pcap=yes], [enable_pcap=no]) AM_CONDITIONAL([HAVE_PCAP], [test "x$libpcap_LIBS" != "x"]) |