mpack-1.6-4/cmulocal/libpcap.m4

dnl libpcap.m4--PCAP libraries and includes
dnl Derrick Brashear
dnl from KTH krb and Arla
dnl $Id: libpcap.m4,v 1.7 2002/12/21 18:44:24 cg2v Exp $

AC_DEFUN(CMU_PCAP_INC_WHERE1, [
ac_cv_found_pcap_inc=no
if test -f "$1/pcap.h" ; then
  ac_cv_found_pcap_inc=yes
fi
])

AC_DEFUN(CMU_PCAP_INC_WHERE, [
   for i in $1; do
      AC_MSG_CHECKING(for pcap header in $i)
      CMU_PCAP_INC_WHERE1($i)
      if test "$ac_cv_found_pcap_inc" = "yes"; then
        ac_cv_pcap_where_inc=$i
        AC_MSG_RESULT(found)
        break
      else
        AC_MSG_RESULT(no found)
      fi
    done
])

AC_DEFUN(CMU_PCAP_LIB_WHERE1, [
saved_LIBS=$LIBS
LIBS="$saved_LIBS -L$1 -lpcap"
AC_TRY_LINK(,
[pcap_lookupdev("");],
[ac_cv_found_pcap_lib=yes],
ac_cv_found_pcap_lib=no)
LIBS=$saved_LIBS
])

AC_DEFUN(CMU_PCAP_LIB_WHERE, [
   for i in $1; do
      AC_MSG_CHECKING(for pcap library in $i)
      CMU_PCAP_LIB_WHERE1($i)
      CMU_TEST_LIBPATH($i, pcap)
      if test "$ac_cv_found_pcap_lib" = "yes" ; then
        ac_cv_pcap_where_lib=$i
        AC_MSG_RESULT(found)
        break
      else
        AC_MSG_RESULT(no found)
      fi
    done
])

AC_DEFUN(CMU_PCAP, [
AC_ARG_WITH(pcap,
        [  --with-pcap=PREFIX      Compile with PCAP support],
        [if test "X$with_pcap" = "X"; then
                with_pcap=yes
        fi])
AC_ARG_WITH(pcap-lib,
        [  --with-pcap-lib=dir     use pcap libraries in dir],
        [if test "$withval" = "yes" -o "$withval" = "no"; then
                AC_MSG_ERROR([No argument for --with-pcap-lib])
        fi])
AC_ARG_WITH(pcap-include,
        [  --with-pcap-include=dir use pcap headers in dir],
        [if test "$withval" = "yes" -o "$withval" = "no"; then
                AC_MSG_ERROR([No argument for --with-pcap-include])
        fi])

        if test "X$with_pcap" != "X"; then
          if test "$with_pcap" != "yes"; then
            ac_cv_pcap_where_lib=$with_pcap/lib
            ac_cv_pcap_where_inc=$with_pcap/include
          fi
        fi

        if test "X$with_pcap_lib" != "X"; then
          ac_cv_pcap_where_lib=$with_pcap_lib
        fi
        if test "X$ac_cv_pcap_where_lib" = "X"; then
          CMU_PCAP_LIB_WHERE(/usr/ng/lib /usr/lib /usr/local/lib)
        fi

        if test "X$with_pcap_include" != "X"; then
          ac_cv_pcap_where_inc=$with_pcap_include
        fi
        if test "X$ac_cv_pcap_where_inc" = "X"; then
          CMU_PCAP_INC_WHERE(/usr/ng/include /usr/include /usr/local/include)
        fi

        AC_MSG_CHECKING(whether to include pcap)
        if test "X$ac_cv_pcap_where_lib" = "X" -a "X$ac_cv_pcap_where_inc" = "X"; then
          ac_cv_found_pcap=no
          AC_MSG_RESULT(no)
        else
          ac_cv_found_pcap=yes
          AC_MSG_RESULT(yes)
          PCAP_INC_DIR=$ac_cv_pcap_where_inc
          PCAP_LIB_DIR=$ac_cv_pcap_where_lib
          PCAP_INC_FLAGS="-I${PCAP_INC_DIR}"
          PCAP_LIB_FLAGS="-L${PCAP_LIB_DIR} -lpcap"
          if test "X$RPATH" = "X"; then
                RPATH=""
          fi
          case "${host}" in
            *-*-linux*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,-rpath,${PCAP_LIB_DIR}"
              else 
                RPATH="${RPATH}:${PCAP_LIB_DIR}"
              fi
              ;;
            *-*-hpux*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,+b${PCAP_LIB_DIR}"
              else 
                RPATH="${RPATH}:${PCAP_LIB_DIR}"
              fi
              ;;
            *-*-irix*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,-rpath,${PCAP_LIB_DIR}"
              else 
                RPATH="${RPATH}:${PCAP_LIB_DIR}"
              fi
              ;;
            *-*-solaris2*)
              if test "$ac_cv_prog_gcc" = yes; then
                if test "X$RPATH" = "X"; then
                  RPATH="-Wl,-R${PCAP_LIB_DIR}"
                else 
                  RPATH="${RPATH}:${PCAP_LIB_DIR}"
                fi
              else
                RPATH="${RPATH} -R${PCAP_LIB_DIR}"
              fi
              ;;
          esac
          AC_SUBST(RPATH)
        fi
        ])
1	jmc	1.1	dnl libpcap.m4--PCAP libraries and includes
2			dnl Derrick Brashear
3			dnl from KTH krb and Arla
4			dnl $Id: libpcap.m4,v 1.7 2002/12/21 18:44:24 cg2v Exp $
5
6			AC_DEFUN(CMU_PCAP_INC_WHERE1, [
7			ac_cv_found_pcap_inc=no
8			if test -f "$1/pcap.h" ; then
9			ac_cv_found_pcap_inc=yes
10			fi
11			])
12
13			AC_DEFUN(CMU_PCAP_INC_WHERE, [
14			for i in $1; do
15			AC_MSG_CHECKING(for pcap header in $i)
16			CMU_PCAP_INC_WHERE1($i)
17			if test "$ac_cv_found_pcap_inc" = "yes"; then
18			ac_cv_pcap_where_inc=$i
19			AC_MSG_RESULT(found)
20			break
21			else
22			AC_MSG_RESULT(no found)
23			fi
24			done
25			])
26
27			AC_DEFUN(CMU_PCAP_LIB_WHERE1, [
28			saved_LIBS=$LIBS
29			LIBS="$saved_LIBS -L$1 -lpcap"
30			AC_TRY_LINK(,
31			[pcap_lookupdev("");],
32			[ac_cv_found_pcap_lib=yes],
33			ac_cv_found_pcap_lib=no)
34			LIBS=$saved_LIBS
35			])
36
37			AC_DEFUN(CMU_PCAP_LIB_WHERE, [
38			for i in $1; do
39			AC_MSG_CHECKING(for pcap library in $i)
40			CMU_PCAP_LIB_WHERE1($i)
41			CMU_TEST_LIBPATH($i, pcap)
42			if test "$ac_cv_found_pcap_lib" = "yes" ; then
43			ac_cv_pcap_where_lib=$i
44			AC_MSG_RESULT(found)
45			break
46			else
47			AC_MSG_RESULT(no found)
48			fi
49			done
50			])
51
52			AC_DEFUN(CMU_PCAP, [
53			AC_ARG_WITH(pcap,
54			[ --with-pcap=PREFIX Compile with PCAP support],
55			[if test "X$with_pcap" = "X"; then
56			with_pcap=yes
57			fi])
58			AC_ARG_WITH(pcap-lib,
59			[ --with-pcap-lib=dir use pcap libraries in dir],
60			[if test "$withval" = "yes" -o "$withval" = "no"; then
61			AC_MSG_ERROR([No argument for --with-pcap-lib])
62			fi])
63			AC_ARG_WITH(pcap-include,
64			[ --with-pcap-include=dir use pcap headers in dir],
65			[if test "$withval" = "yes" -o "$withval" = "no"; then
66			AC_MSG_ERROR([No argument for --with-pcap-include])
67			fi])
68
69			if test "X$with_pcap" != "X"; then
70			if test "$with_pcap" != "yes"; then
71			ac_cv_pcap_where_lib=$with_pcap/lib
72			ac_cv_pcap_where_inc=$with_pcap/include
73			fi
74			fi
75
76			if test "X$with_pcap_lib" != "X"; then
77			ac_cv_pcap_where_lib=$with_pcap_lib
78			fi
79			if test "X$ac_cv_pcap_where_lib" = "X"; then
80			CMU_PCAP_LIB_WHERE(/usr/ng/lib /usr/lib /usr/local/lib)
81			fi
82
83			if test "X$with_pcap_include" != "X"; then
84			ac_cv_pcap_where_inc=$with_pcap_include
85			fi
86			if test "X$ac_cv_pcap_where_inc" = "X"; then
87			CMU_PCAP_INC_WHERE(/usr/ng/include /usr/include /usr/local/include)
88			fi
89
90			AC_MSG_CHECKING(whether to include pcap)
91			if test "X$ac_cv_pcap_where_lib" = "X" -a "X$ac_cv_pcap_where_inc" = "X"; then
92			ac_cv_found_pcap=no
93			AC_MSG_RESULT(no)
94			else
95			ac_cv_found_pcap=yes
96			AC_MSG_RESULT(yes)
97			PCAP_INC_DIR=$ac_cv_pcap_where_inc
98			PCAP_LIB_DIR=$ac_cv_pcap_where_lib
99			PCAP_INC_FLAGS="-I${PCAP_INC_DIR}"
100			PCAP_LIB_FLAGS="-L${PCAP_LIB_DIR} -lpcap"
101			if test "X$RPATH" = "X"; then
102			RPATH=""
103			fi
104			case "${host}" in
105			--linux*)
106			if test "X$RPATH" = "X"; then
107			RPATH="-Wl,-rpath,${PCAP_LIB_DIR}"
108			else
109			RPATH="${RPATH}:${PCAP_LIB_DIR}"
110			fi
111			;;
112			--hpux*)
113			if test "X$RPATH" = "X"; then
114			RPATH="-Wl,+b${PCAP_LIB_DIR}"
115			else
116			RPATH="${RPATH}:${PCAP_LIB_DIR}"
117			fi
118			;;
119			--irix*)
120			if test "X$RPATH" = "X"; then
121			RPATH="-Wl,-rpath,${PCAP_LIB_DIR}"
122			else
123			RPATH="${RPATH}:${PCAP_LIB_DIR}"
124			fi
125			;;
126			--solaris2*)
127			if test "$ac_cv_prog_gcc" = yes; then
128			if test "X$RPATH" = "X"; then
129			RPATH="-Wl,-R${PCAP_LIB_DIR}"
130			else
131			RPATH="${RPATH}:${PCAP_LIB_DIR}"
132			fi
133			else
134			RPATH="${RPATH} -R${PCAP_LIB_DIR}"
135			fi
136			;;
137			esac
138			AC_SUBST(RPATH)
139			fi
140			])