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#! /bin/sh

#
# Script to give the appropriate compiler flags and linker flags
# to use when building code that uses libpcap.
#
prefix="@prefix@"
exec_prefix="@exec_prefix@"
includedir="@includedir@"
libdir="@libdir@"
V_RPATH_OPT="@V_RPATH_OPT@"
LIBS="@LIBS@"

static=0
show_cflags=0
show_libs=0
while [ "$#" != 0 ]
do
        case "$1" in

        --static)
                static=1
                ;;

        --cflags)
                show_cflags=1
                ;;

        --libs)
                show_libs=1
                ;;

        --additional-libs)
                show_additional_libs=1
                ;;
        esac
        shift
done
if [ "$V_RPATH_OPT" != "" ]
then
        #
        # If libdir isn't /usr/lib, add it to the run-time linker path.
        #
        if [ "$libdir" != "/usr/lib" ]
        then
                RPATH=$V_RPATH_OPT$libdir
        fi
fi
if [ "$static" = 1 ]
then
        #
        # Include LIBS so that the flags include libraries containing
        # routines that libpcap uses.
        #
        if [ "$show_cflags" = 1 -a "$show_libs" = 1 ]
        then
                echo "-I$includedir -L$libdir -lpcap $LIBS"
        elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ]
        then
                echo "-I$includedir -L$libdir $LIBS"
        elif [ "$show_cflags" = 1 ]
        then
                echo "-I$includedir"
        elif [ "$show_libs" = 1 ]
        then
                echo "-L$libdir -lpcap $LIBS"
        elif [ "$show_additional_libs" = 1 ]
        then
                echo "$LIBS"
        fi
else
        #
        # Omit LIBS - libpcap is assumed to be linked with those
        # libraries, so there's no need to do so explicitly.
        #
        if [ "$show_cflags" = 1 -a "$show_libs" = 1 ]
        then
                echo "-I$includedir -L$libdir $RPATH -lpcap"
        elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ]
        then
                echo "-I$includedir"
        elif [ "$show_cflags" = 1 ]
        then
                echo "-I$includedir"
        elif [ "$show_libs" = 1 ]
        then
                echo "-L$libdir $RPATH -lpcap"
        fi
fi