Hi,
I tried to install the Ruby Libnet module from http://rubyforge.org/projects/ruby-libnet/ . So I downloaded it with svn update to my local machine and wanted to install it with:ruby extconf.rb .
But this just gives me an error:
>>> ruby extconf.rb
checking for main() in -lnet... no
Dependency failed
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/usr/bin/ruby1.8
--with-netlib
--without-netlib
>>> cat mkmf.log
have_library: checking for main() in -lnet... -------------------- no
"gcc -o conftest -I. -I/usr/lib/ruby/1.8/i486-linux -I. -Wall -g -fno-strict-aliasing -O2 -fPIC conftest.c -L"/usr/lib" -rdynamic -Wl,-export-dynamic -lruby1.8-static -lnet -lpthread -ldl -lcrypt -lm -lc"
/usr/bin/ld: cannot find -lnet
collect2: ld gab 1 als Ende-Status zurück
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { void ((*volatile p)()); p = (void ((*)()))main; return 0; }
/* end */
"gcc -o conftest -I. -I/usr/lib/ruby/1.8/i486-linux -I. -Wall -g -fno-strict-aliasing -O2 -fPIC conftest.c -L"/usr/lib" -rdynamic -Wl,-export-dynamic -lruby1.8-static -lnet -lpthread -ldl -lcrypt -lm -lc"
/usr/bin/ld: cannot find -lnet
collect2: ld gab 1 als Ende-Status zurück
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { main(); return 0; }
/* end */
so it seems I'm missing the lnet library ?!?!? But what is this and any idea how to install it on linux (ubuntu) ?
···
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greets
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