d56f51ea7d
As part of this, we import bpf_filter.c from NetBSD. Even though that file is part of the NetBSD kernel, it is also used by userland (as is clear here). Our LWIP service has its own bpf_filter.c implementation but that implementation has certain limits (e.g. on program size) that are fine for a system service but should not apply to userland. The libpcap code has a number of blocks guarded by __NetBSD__, but none of those blocks apply to MINIX 3. In particular, some of the alignment logic used for NetBSD may in fact not work in our case. Change-Id: Ib187e22d627c929e111d5d4a991c3bee3c0154cb
103 lines
1.8 KiB
Bash
103 lines
1.8 KiB
Bash
#! /bin/sh
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#
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# Script to give the appropriate compiler flags and linker flags
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# to use when building code that uses libpcap.
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#
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prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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includedir="@includedir@"
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libdir="@libdir@"
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V_RPATH_OPT="@V_RPATH_OPT@"
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LIBS="@LIBS@"
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static=0
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show_cflags=0
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show_libs=0
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while [ "$#" != 0 ]
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do
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case "$1" in
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--static)
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static=1
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;;
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--cflags)
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show_cflags=1
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;;
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--libs)
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show_libs=1
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;;
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--additional-libs)
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show_additional_libs=1
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;;
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esac
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shift
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done
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if [ "$V_RPATH_OPT" != "" ]
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then
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#
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# If libdir isn't /usr/lib, add it to the run-time linker path.
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#
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if [ "$libdir" != "/usr/lib" ]
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then
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RPATH=$V_RPATH_OPT$libdir
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fi
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fi
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if [ "@includedir@" != "/usr/include" ]
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then
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i="-I@includedir@"
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fi
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if [ "@libdir@" != "/usr/lib" ]
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then
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l="-L@libdir@"
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fi
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if [ -n "@LIBS@" ]
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then
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L="@LIBS@"
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fi
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if [ "$static" = 1 ]
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then
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#
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# Include LIBS so that the flags include libraries containing
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# routines that libpcap uses.
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#
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if [ "$show_cflags" = 1 -a "$show_libs" = 1 ]
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then
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echo "-I$includedir -L$libdir -lpcap $LIBS"
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elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ]
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then
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echo "-I$includedir -L$libdir $LIBS"
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elif [ "$show_cflags" = 1 ]
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then
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echo "-I$includedir"
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elif [ "$show_libs" = 1 ]
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then
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echo "-L$libdir -lpcap $LIBS"
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elif [ "$show_additional_libs" = 1 ]
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then
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echo "$LIBS"
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fi
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else
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#
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# Omit LIBS - libpcap is assumed to be linked with those
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# libraries, so there's no need to do so explicitly.
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#
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if [ "$show_cflags" = 1 -a "$show_libs" = 1 ]
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then
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echo "-I$includedir -L$libdir $RPATH -lpcap"
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elif [ "$show_cflags" = 1 -a "$show_additional_libs" = 1 ]
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then
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echo "-I$includedir"
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elif [ "$show_cflags" = 1 ]
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then
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echo "-I$includedir"
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elif [ "$show_libs" = 1 ]
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then
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echo "-L$libdir $RPATH -lpcap"
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fi
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fi
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