source: trunk/configure.in @ 1255

# Process this file with autoconf to produce a configure script.

# Now you only need to update the version number in two places - below,
# and in the README

AC_INIT([libtrace],[3.0.2],[contact@wand.net.nz],[libtrace])

LIBTRACE_MAJOR=3
LIBTRACE_MID=0
LIBTRACE_MINOR=2

AC_CONFIG_SRCDIR(lib/trace.c)
AM_INIT_AUTOMAKE

AC_DEFINE([LIBTRACE_MAJOR],${LIBTRACE_MAJOR},[libtrace major version])
AC_DEFINE([LIBTRACE_MID],${LIBTRACE_MID},[libtrace mid version])
AC_DEFINE([LIBTRACE_MINOR],${LIBTRACE_MINOR},[libtrace minor version])

AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile
        tools/Makefile tools/traceanon/Makefile tools/tracepktdump/Makefile 
        tools/tracemerge/Makefile tools/tracereport/Makefile 
        tools/tracertstats/Makefile tools/tracesplit/Makefile 
        tools/tracestats/Makefile tools/traceflow/Makefile 
        examples/Makefile examples/skeleton/Makefile examples/rate/Makefile
        docs/libtrace.doxygen 
        lib/libtrace.h
        ])
dnl GNU C library
dnl AC_GNU_SOURCE


AM_CONFIG_HEADER([config.h])
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_YACC
AM_PROG_LEX

AC_CONFIG_LIBOBJ_DIR(lib)

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_SYS_LARGEFILE

if test "$GCC" = "yes"; then
        CFLAGS="$CFLAGS -Wall -W -Wmissing-prototypes"
fi

AC_PROG_LIBTOOL

# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_CHECK_FUNCS(socket strdup strlcpy strcasecmp strncasecmp snprintf)

AC_CHECK_SIZEOF([long int])



# Check for various broken functions
AC_FUNC_MALLOC
AC_FUNC_REALLOC

# *BSD doesn't have strndup. Currently provide our own.
AC_REPLACE_FUNCS(strndup)

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h )

AC_CHECK_HEADERS(netinet/in.h)
AC_CHECK_HEADERS(netpacket/packet.h,[
        libtrace_netpacket_packet_h=true
        AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
])
AC_CHECK_HEADER(net/if.h,
        AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
 #include <sys/types.h>
 #include <sys/socket.h>
])

AC_CHECK_HEADER(netinet/ether.h,
        AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <net/if.h>
])

AC_CHECK_HEADER(netinet/if_ether.h,
        AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <net/if.h>
])

AC_CHECK_HEADER(net/if_arp.h,
        AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <net/if.h>
])

# Checking for the right bpf header to include
AC_CHECK_HEADER(pcap-bpf.h)
AC_CHECK_HEADER(net/bpf.h)
AC_CHECK_HEADER(gdc.h)

# Check to see if we have libdl - *BSD has built-in libdl
AC_CHECK_LIB(dl, dlopen)
# check pcap
AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
#AC_CHECK_LIB(pcap,pcap_next_ex)
#AC_REPLACE_FUNCS(pcap_open_dead)
#AC_REPLACE_FUNCS(pcap_dump_flush)
#AC_REPLACE_FUNCS(pcap_next_ex)
AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
AC_CHECK_DECLS([BIOCSETIF],,,[
#include <sys/types.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
])

# configure time options for man pages
AC_ARG_WITH(man,
            AS_HELP_STRING(--with-man,install man pages by default),[
             if test "$withval" = yes
             then
                     MANPAGES="docs/man/man3/[a-zA-Z]*.3"
             else
                     MANPAGES=""
             fi
])

AC_PROG_CXX

if test "$pcapfound" = 0; then
        AC_MSG_ERROR(libpcap0.8 or greater is required to compile libtrace. If you have installed it in a non-standard location please use LDFLAGS to specify the location of the library)
else
        ADD_LIBS="$ADD_LIBS -lpcap"
        AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
fi

# configure time options for use of DAG cards
# borrowed from libpcap!
AC_ARG_WITH(dag, 
            AS_HELP_STRING(--with-dag[=DIR],include DAG support (located in directory DIR, if supplied)),
[
        if test "$withval" = no
        then
                want_dag=no
        elif test "$withval" = yes
        then
                want_dag=yes
                dag_root=/usr/local/dag
        else
                want_dag=yes
                dag_root=$withval
        fi
],[
        #
        # Use DAG API if present, otherwise don't
        #
        want_dag=ifpresent
        dag_root=/usr/local/dag
])

# DAG 3.0 actually puts header files and shared libraries into sensible
# places now, so we should be able to do a simple CHECK_LIB to see if
# they're there!

# Addendum: It turns out DAG 2.5 does this too, so we'll match DAG2.5 in here
# also. This isn't such a bad thing, the DAG2.5 API is essentially the same as
# DAG 3.0 and libtrace will use the same format_dagXX source for both
libtrace_dag=false
libtrace_dag_version=none

if test "$with_dag" != no; then
        AC_CHECK_LIB(dag, dag_open, dag_found=1, dag_found=0)
        if test "$dag_found" = 1; then
                ADD_LIBS="$ADD_LIBS -ldag"
                AC_DEFINE(HAVE_DAG_API, 1, [define if you have a DAG API])
                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG support])
                libtrace_dag=true
                
                AC_DEFINE(DAG_VERSION,30,[defines the DAG driver version])
                libtrace_dag_version=30
        fi
fi

# turn the test part of the next block into a function, so it can be 
# called multiple times for $dag_root, /root/dag, /usr/local/lib
#dag_drv_v="DAG not present"

# Now check for 2.4 DAG drivers which don't install as cleanly!
if test "$with_dag" != no -a "$libtrace_dag" = false; then
        AC_MSG_CHECKING(whether we have DAG 2.4 API instead)

        if test -r "$dag_root/lib"; then
                dag_lib_dir="$dag_root/lib"
        else
                dag_lib_dir="$dag_root"
        fi
        
        if test -r "$dag_root/include"; then
                dag_tools_dir="$dag_root/tools"
                dag_include_dir="$dag_root/include"
        else
                dag_tools_dir="$dag_root"
                dag_include_dir="$dag_root"
        fi

        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a"; 
        then
                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
                ADD_LIBS="$ADD_LIBS -ldag"
                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
                DAG_TOOLS_DIR=$dag_tools_dir
                AC_SUBST([DAG_TOOLS_DIR])
                libtrace_dag=true
                
                AC_DEFINE(HAVE_DAG_API, 1, [define if you have a DAG API])
                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG support])
                AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
                libtrace_dag_version=24
        else
                if test "$want_dag" = yes; then
                        AC_MSG_ERROR(DAG API not found under directory $dag_root
; use --without-dag)
                fi
                libtrace_dag=false
        fi
        AC_MSG_RESULT($libtrace_dag)

fi

AC_CHECK_LIB(z, gzopen)

AM_CONDITIONAL([HAVE_BPF], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
AM_CONDITIONAL([DAG3_0], [test "$libtrace_dag_version" = 30])
AM_CONDITIONAL([HAVE_ZLIB], [test "$ac_cv_lib_z_gzopen" = yes])
AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
AM_CONDITIONAL([LIBGDC], [test "$ac_cv_header_gdc_h" = yes])

# Check for miscellaneous programs
AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])

AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])


AC_SUBST([ADD_LIBS])
AC_SUBST([ADD_LDFLAGS])
AC_SUBST([ADD_INCLS])
AC_SUBST([LTLIBOBJS])
AC_SUBST([MANPAGES])
AC_SUBST([PACKAGE_VERSION])
AC_SUBST([LIBTRACE_MAJOR])
AC_SUBST([LIBTRACE_MID])
AC_SUBST([LIBTRACE_MINOR])
AC_SUBST([DAG_VERSION_NUM])
dnl and finally, output our Makefiles
AC_OUTPUT

reportopt() {
        if test x"$2" = xtrue -o x"$2" = xyes; then
                AC_MSG_NOTICE([$1: Yes])
        else 
                AC_MSG_NOTICE([$1: No])
        fi
}

echo
AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
reportopt "Compiled with PCAP 0.8 support" $ac_cv_lib_pcap_pcap_next_ex
reportopt "Compiled with compressed trace (zlib) support" $ac_cv_lib_z_gzopen
if test x"$libtrace_dag" = xtrue; then
        if test "$libtrace_dag_version" = 24; then
                AC_MSG_NOTICE([Compiled with DAG support: 2.4])
        elif test "$libtrace_dag_version" = 30; then
                AC_MSG_NOTICE([Compiled with DAG support: 3.0])
        else
                AC_MSG_NOTICE([Compiled with DAG support: 2.5])
        fi      
else
        AC_MSG_NOTICE([Compiled with DAG support: No])
fi
reportopt "Building man pages/documentation" $libtrace_doxygen