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- configure.in: use pkg-config for libpcap detection
- The detection of libpcap was based in ${prefix}, which doesn't make
- sense in a cross-compilation context and can cause host leakage into
- the target build.
- So instead, let's use pkg-config to detect libpcap, since it is anyway
- already use in this configure.in to detect libglib.
- Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
- Index: b/configure.in
- ===================================================================
- --- a/configure.in
- +++ b/configure.in
- @@ -75,25 +75,13 @@
- fi
- ;;
- esac ],
- -[ if test -f ${prefix}/include/pcap.h; then
- - PCAP_CFLAGS="-I${prefix}/include"
- - PCAPLIB="-L${exec_prefix}/lib -lpcap"
- - elif test -f /usr/include/pcap/pcap.h; then
- - PCAP_CFLAGS="-I/usr/include/pcap"
- - PCAPLIB="-lpcap"
- - else
- - TMP=$LIBS
- - LIBS="-lpcap $LIBS"
- - AC_TRY_LINK([#include <pcap.h>], pcap_open_offline("",""),
- - LIBPCAP_FOUND=1,LIBPCAP_FOUND=0)
- - LIBS=$TMP
- - if test $LIBPCAP_FOUND = 1 ; then
- - PCAPLIB="-lpcap"
- - else
- - AC_ERROR(libpcap not found)
- - fi
- - fi
- - AC_MSG_RESULT(yes) ]
- +[
- + PKG_PROG_PKG_CONFIG
- + PKG_CHECK_MODULES(LIBPCAP, libpcap)
- + AC_MSG_RESULT(yes)
- + PCAP_CFLAGS=${LIBPCAP_CFLAGS}
- + PCAPLIB=${LIBPCAP_LIBS}
- +]
- )
- AC_SUBST(PCAP_CFLAGS)
- AC_SUBST(PCAPLIB)
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