Issues cross-compiling nmap-4.68
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Issues cross-compiling nmap-4.68
by Philip A. Prindeville
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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 _______________________________________________ Sent through the nmap-dev mailing list http://cgi.insecure.org/mailman/listinfo/nmap-dev Archived at http://SecLists.Org |
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Re: Issues cross-compiling nmap-4.68
by David Fifield
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On Thu, Jul 17, 2008 at 11:03:41AM -0700, Philip Prindeville wrote:
> 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: Nmap requires libpcap, so you can't just exclude it. Does it work to configure with "--with-libpcap=included"? It appears that will skip the AC_TRY_RUN check that doesn't work when cross-compiling. David Fifield _______________________________________________ Sent through the nmap-dev mailing list http://cgi.insecure.org/mailman/listinfo/nmap-dev Archived at http://SecLists.Org |
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