diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/configure.ac b/configure.ac index 4856e8ef..a8f3f37b 100644 --- a/configure.ac +++ b/configure.ac @@ -333,24 +333,38 @@ else # Check for a bunch of headers for various packet # capture mechanisms. # - AC_CHECK_HEADERS(net/bpf.h net/pfilt.h net/enet.h) + AC_CHECK_HEADERS(net/bpf.h) + if test "$ac_cv_header_net_bpf_h" = yes; then + # + # Does it define BIOCSETIF? + # I.e., is it a header for an LBL/BSD-style capture + # mechanism, or is it just a header for a BPF filter + # engine? Some versions of Arch Linux, for example, + # have a net/bpf.h that doesn't define BIOCSETIF; + # as it's a Linux, it should use packet sockets, + # instead. + # + AC_MSG_CHECKING(if net/bpf.h defines BIOCSETIF) + AC_CACHE_VAL(ac_cv_lbl_bpf_h_defines_biocsetif, + AC_TRY_COMPILE( +[ +#include <sys/ioctl.h> +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif +#include <net/bpf.h> +#include <net/if.h> +], + [u_int i = BIOCSETIF;], + ac_cv_lbl_bpf_h_defines_biocsetif=yes, + ac_cv_lbl_bpf_h_defines_biocsetif=no)) + AC_MSG_RESULT($ac_cv_lbl_bpf_h_defines_biocsetif) + fi + AC_CHECK_HEADERS(net/pfilt.h net/enet.h) AC_CHECK_HEADERS(net/nit.h sys/net/nit.h) AC_CHECK_HEADERS(linux/socket.h net/raw.h sys/dlpi.h) - if test "$ac_cv_header_linux_socket_h" = yes; then - # - # No prizes for guessing this one. - # Check this before BPF, because it appears that - # at least one Arch Linux system might have a net/bpf.h. - # - V_PCAP=linux - - # - # XXX - this won't work with older kernels that have - # SOCK_PACKET sockets but not PF_PACKET sockets. - # - VALGRINDTEST=valgrindtest - elif test "$ac_cv_header_net_bpf_h" = yes; then + if test "$ac_cv_lbl_bpf_h_defines_biocsetif" = yes; then # # BPF. # Check this before DLPI, so that we pick BPF on @@ -369,6 +383,17 @@ else VALGRINDTEST=valgrindtest ;; esac + elif test "$ac_cv_header_linux_socket_h" = yes; then + # + # No prizes for guessing this one. + # + V_PCAP=linux + + # + # XXX - this won't work with older kernels that have + # SOCK_PACKET sockets but not PF_PACKET sockets. + # + VALGRINDTEST=valgrindtest elif test "$ac_cv_header_net_pfilt_h" = yes; then # # DEC OSF/1, Digital UNIX, Tru64 UNIX |