[Rails] Re: harmony gem issue

looks like the harmony gem depends on the  johnson gem which depends on nodejs which, of course, isn't a gem. try installing nodejs - see: nodejs.org.

rick

On Monday, February 24, 2014 5:50:07 AM UTC-5, saravanan p wrote:

Hello everyone,

saravanan@ubuntu:~$ ruby -v

ruby 2.0.0p353 (2013-11-22 revision 43784) [x86_64-linux]

saravanan@ubuntu:~$ rails -v

Rails 4.0.3

saravanan@ubuntu:~$ rvm -v

rvm 1.24.4 (stable) by Wayne E. Seguin <waynee...@gmail.com>, Michal Papis <mpa...@gmail.com> [https://rvm.io/]

I am trying to install "harmony" gem for data scraping.

saravanan@ubuntu:~$ gem install harmony

Building native extensions.  This could take a while...

ERROR:  Error installing harmony:

ERROR: Failed to build gem native extension.

    /home/saravanan/.rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb

creating cache ./config.cache

checking host system type... x86_64-unknown-linux-gnu

checking target system type... x86_64-unknown-linux-gnu

checking build system type... x86_64-unknown-linux-gnu

checking for mawk... mawk

checking for gcc... gcc

checking whether the C compiler (gcc  ) works... yes

checking whether the C compiler (gcc  ) is a cross-compiler... no

checking whether we are using GNU C... yes

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checking for c++... c++

checking whether the C++ compiler (c++  ) works... yes

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checking for as... /usr/bin/as

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checking for windres... no

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checking how to run the C preprocessor... gcc -E

checking how to run the C++ preprocessor... c++ -E

checking for a BSD compatible install... /usr/bin/install -c

checking whether ln -s works... yes

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checking for minimum required perl version >= 5.006... 5.014002

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creating js-confdefs.h

==== js-confdefs.h =================================

/* List of defines generated by configure. Included with preprocessor flag,

 * -include, to avoid long list of -D defines on the compile command-line.

 * Do not edit.

 */

#ifndef _JS_CONFDEFS_H_

#define _JS_CONFDEFS_H_

#define CPP_THROW_NEW throw()

#define D_INO d_ino

#define EDITLINE 1

#define HAVE_64BIT_OS 1

#define HAVE_CPP_ACCESS_CHANGING_USING 1

#define HAVE_CPP_AMBIGUITY_RESOLVING_USING 1

#define HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR 1

#define HAVE_CPP_EXPLICIT 1

#define HAVE_CPP_MODERN_SPECIALIZE_TEMPLATE_SYNTAX 1

#define HAVE_CPP_NAMESPACE_STD 1

#define HAVE_CPP_NEW_CASTS 1

#define HAVE_CPP_PARTIAL_SPECIALIZATION 1

#define HAVE_CPP_TYPENAME 1

#define HAVE_CPP_UNAMBIGUOUS_STD_NOTEQUAL 1

#define HAVE_DIRENT_H 1

#define HAVE_DLADDR 1

#define HAVE_FCHMOD 1

#define HAVE_FLOCKFILE 1

#define HAVE_GETC_UNLOCKED 1

#define HAVE_GETOPT_H 1

#define HAVE_GETPAGESIZE 1

#define HAVE_GNU_GET_LIBC_VERSION 1

#define HAVE_GNU_LIBC_VERSION_H 1

#define HAVE_I18N_LC_MESSAGES 1

#define HAVE_ICONV 1

#define HAVE_INT16_T 1

#define HAVE_INT32_T 1

#define HAVE_INT64_T 1

#define HAVE_LCHOWN 1

#define HAVE_LIBDL 1

#define HAVE_LIBM 1

#define HAVE_LOCALTIME_R 1

#define HAVE_LSTAT64 1

#define HAVE_MALLOC_H 1

#define HAVE_MBRTOWC 1

#define HAVE_MEMMOVE 1

#define HAVE_MEMORY_H 1

#define HAVE_MMINTRIN_H 1

#define HAVE_NL_TYPES_H 1

#define HAVE_RANDOM 1

#define HAVE_RES_NINIT 1

#define HAVE_RINT 1

#define HAVE_SBRK 1

#define HAVE_SETLOCALE 1

#define HAVE_SIGINFO_T 1

#define HAVE_SNPRINTF 1

#define HAVE_STAT64 1

#define HAVE_STATVFS 1

#define HAVE_STATVFS64 1

#define HAVE_STRERROR 1

#define HAVE_STRTOK_R 1

#define HAVE_ST_BLKSIZE 1

#define HAVE_SYS_BITYPES_H 1

#define HAVE_SYS_CDEFS_H 1

#define HAVE_SYS_MOUNT_H 1

#define HAVE_SYS_STATFS_H 1

#define HAVE_SYS_STATVFS_H 1

#define HAVE_SYS_VFS_H 1

#define HAVE_TM_ZONE_TM_GMTOFF 1

#define HAVE_TRUNCATE64 1

#define HAVE_UINT 1

#define HAVE_UNAME_DOMAINNAME_FIELD 1

#define HAVE_UNISTD_H 1

#define HAVE_VA_COPY 1

#define HAVE_VA_LIST_AS_ARRAY 1

#define HAVE_VISIBILITY_ATTRIBUTE 1

#define HAVE_VISIBILITY_HIDDEN_ATTRIBUTE 1

#define HAVE_WCRTOMB 1

#define HAVE_X11_XKBLIB_H 1

#define HAVE__UNWIND_BACKTRACE 1

#define HAVE___CXA_DEMANGLE 1

#define JS_ALIGN_OF_POINTER 8

#define JS_BITS_PER_WORD_LOG2 6

#define JS_BYTES_PER_DOUBLE 8

#define JS_BYTES_PER_WORD 8

#define JS_HAVE_STDINT_H 1

#define MOZ_DLL_SUFFIX ".so"

#define NEED_CPP_UNUSED_IMPLEMENTATIONS 1

#define NEW_H <new>

#define STDC_HEADERS 1

#define UNIX_ASYNC_DNS 1

#define VA_COPY va_copy

#define XP_UNIX 1

#define _REENTRANT 1