Resend: Issues cross-compiling nmap-4.68

[Philip Prindeville <philipp () redfish-solutions com>]

Anyone?  We're trying to get release 0.5 finalized and this is a 
showstopper for us.  Any assistance appreciated.

Thanks.

> --- Begin Message ---
>
>
> From: Philip Prindeville <philipp () redfish-solutions com>
>
> Date: Thu, 17 Jul 2008 11:03:41 -0700
>
> Hi.
>
> I'm trying to build nmap in the astlinux project, and we're trying to 
> run configure as --with-libpcap=no but we're seeing:
>
> ( \
>                cd /home/philipp/trunk2/build_i586/nmap-4.68 ; \
>                autoconf ; \
>                BUILD_CC=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-gcc HOSTCC="gcc" \
>                
> PATH=/home/philipp/trunk2/build_i586/staging_dir/bin:/home/philipp/trunk2/toolchain_build_i586/bin:/bin:/sbin:/usr/bin:/usr/sbin
>  AR=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-ar 
> AS=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-as 
> LD=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-ld 
> NM=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-nm 
> CC=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-gcc 
> GCC=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-gcc 
> CXX=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-g++ 
> CPP=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-cpp 
> RANLIB=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-ranlib 
> OBJCOPY=/home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-objcopy ac_cv_sizeof_char=1 
> ac_cv_sizeof_unsigned_char=1 ac_cv_sizeof_short=2 ac_cv_sizeof_short_int=2 ac_cv_sizeof_unsigned_short=2 
> ac_cv_sizeof_unsigned_short_int=2 ac_cv_sizeof_int=4 ac_cv_sizeof_long=4 ac_cv_sizeof_long_int=4 
> ac_cv_sizeof_unsigned=4 ac_cv_sizeof_unsigned_int=4 ac_cv_sizeof_unsigned_long=4 ac_cv_sizeof_unsigned_long_int=4 
> ac_cv_sizeof_off_t=4 ac_cv_sizeof_size_t=4 ac_cv_sizeof_char_p=4 ac_cv_sizeof_unsigned_char_p=4 ac_cv_sizeof_voidp=4 
> ac_cv_sizeof_long_long=8 ac_cv_sizeof_long_long_int=8 ac_cv_sizeof_unsigned_long_long=8 
> ac_cv_sizeof_unsigned_long_long_int=8 ac_cv_sizeof_off64_t=8 ac_cv_sizeof_loff_t=8 \
>                CFLAGS="-Os -pipe -fomit-frame-pointer " \
>                ./configure \
>                --target=i586-linux \
>                --host=i586-linux \
>                --build=i386-pc-linux-gnu \
>                --libdir=/home/philipp/trunk2/build_i586/staging_dir/lib \
>                --prefix=/usr \
>                --includedir=/home/philipp/trunk2/build_i586/staging_dir/include \
>                --with-liblua=included \
>                --without-zenmap \
>                --with-libpcap=no \
>        )
> ...
> checking pcap.h usability... yes
> checking pcap.h presence... yes
> checking for pcap.h... yes
> checking for pcap_datalink in -lpcap... yes
> checking if libpcap version is recent enough... configure: error: cannot run test program while cross compiling
> See `config.log' for more details.
> make: *** [/home/philipp/trunk2/build_i586/nmap-4.68/.configured] Error 1
> [philipp@tosh ~/trunk2]$ 
> [philipp@tosh ~/trunk2]$ grep pcap build_i586/nmap-4.68/config.log
>  $ ./configure --target=i586-linux --host=i586-linux --build=i386-pc-linux-gnu 
> --libdir=/home/philipp/trunk2/build_i586/staging_dir/lib --prefix=/usr 
> --includedir=/home/philipp/trunk2/build_i586/staging_dir/include --with-liblua=included --without-zenmap 
> --with-libpcap=no
> configure:6361: checking pcap.h usability
> configure:6402: checking pcap.h presence
> configure:6465: checking for pcap.h
> configure:6478: checking for pcap_datalink in -lpcap
> configure:6513: /home/philipp/trunk2/build_i586/staging_dir/bin/i586-linux-uclibc-gcc -o conftest -Os -pipe 
> -fomit-frame-pointer  -Ino/include  -Lno/lib -Wl,-E  conftest.c -lpcap   >&5
> configure:6573: checking if libpcap version is recent enough
> ac_cv_header_pcap_h=yes
> ac_cv_lib_pcap_pcap_datalink=yes
> LIBS=' -lpcap'
> libpcapdir='libpcap'
> [philipp@tosh ~/trunk2]$ 
>
>
>
>
> How do we make it without libpcap? Looking at the configure.ac file, it 
> doesn't seem to want to take "no" as an answer (literally) when building:
>
> dnl Check whether libpcap is already available
> have_libpcap=no
>
> # By default, search for pcap library
> test "${with_libpcap+set}" != "set" && with_libpcap=yes
>
> AC_ARG_WITH(libpcap,
> AC_HELP_STRING([--with-libpcap=DIR], [Look for pcap in DIR/include and DIR/libs.])
> AC_HELP_STRING([--with-libpcap=included], [Always use version included with Nmap]),
> [  case "$with_libpcap" in
>  yes)
>    AC_CHECK_HEADER(pcap.h,[
>      AC_CHECK_LIB(pcap, pcap_datalink,
>      [have_libpcap=yes ])])
>    ;;
>  included)
>    have_libpcap=no
>   ;;
>  *)
>    _cppflags=$CXXFLAGS
>    _ldflags=$LDFLAGS
>
>    CPPFLAGS="-I$with_libpcap/include $CPPFLAGS"
>    LDFLAGS="-L$with_libpcap/lib $LDFLAGS"
>
>    AC_CHECK_HEADER(pcap.h,[
>      AC_CHECK_LIB(pcap, pcap_datalink,
>        [have_libpcap=yes
>        LIBPCAP_INC=$with_libpcap/include
>        LIBPCAP_LIB=$with_libpcap/lib])])
>
>    LDFLAGS=$_ldflags
>    CXXFLAGS=$_cppflags
>    ;;
>  esac]
> )
>
>
> Thanks,
>
> -Philip
>
>
>
>
> --- End Message ---

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