Hi,
I've same problem and couldnt solve the problem... Is there any solution??
please help.
2 Eylül 2013 Pazartesi 16:13:06 UTC+3 tarihinde mark sayer yazdı:
>
>
> Howdy -
>
> I'm having problems building native gems. When rubygem tries to make the
> native extension, I get an error saying string.h is not found.
>
> I've compiled a basic C program with string.h to make sure all my default
> GCC include paths are right and it works fine. But I've tried to build 3
> gems now (I'm after mysql - but I've also tried json and others) all of
> which fail during make saying string.h not found.
>
> I'm running
>
> BeagleBon Black with Angtsrom 2012.12
> Ruby 1.9.3p194
> rubygem 1.8.23
>
> I've installed the libc and other required development packaged using
> opkg. As stated I can compile C programs using GCC okay and I have verified
> string.h is available and basic string io functionality works in compiled C
> program.s
>
> Here's the output from gem install mysql
>
> Building native extensions. This could take a while...
> ERROR: Error installing mysql:
> ERROR: Failed to build gem native extension.
> /usr/bin/ruby extconf.rb
> checking for mysql_ssl_set()... *** 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/ruby
> --with-mysql-config
> --without-mysql-config
> /usr/lib/ruby/mkmf.rb:381:in `try_do': The compiler failed to generate an
> executable file. (RuntimeError)
> You have to install development tools first.
> from /usr/lib/ruby/mkmf.rb:461:in `try_link0'
> from /usr/lib/ruby/mkmf.rb:476:in `try_link'
> from /usr/lib/ruby/mkmf.rb:619:in `try_func'
> from /usr/lib/ruby/mkmf.rb:894:in `block in have_func'
> from /usr/lib/ruby/mkmf.rb:790:in `block in checking_for'
> from /usr/lib/ruby/mkmf.rb:284:in `block (2 levels) in postpone'
> from /usr/lib/ruby/mkmf.rb:254:in `open'
> from /usr/lib/ruby/mkmf.rb:284:in `block in postpone'
> from /usr/lib/ruby/mkmf.rb:254:in `open'
> from /usr/lib/ruby/mkmf.rb:280:in `postpone'
> from /usr/lib/ruby/mkmf.rb:789:in `checking_for'
> from /usr/lib/ruby/mkmf.rb:893:in `have_func'
> from extconf.rb:45:in `<main>'
>
> Gem files will remain installed in
> /usr/lib/ruby/gems/1.9.1/gems/mysql-2.9.1 for inspection.
> Results logged to
> /usr/lib/ruby/gems/1.9.1/gems/mysql-2.9.1/ext/mysql_api/gem_make.out
>
> Here's the mkmf.log file from the gem install mysql:
>
> "arm-angstrom-linux-gnueabi-gcc -march=armv7-a -mthumb-interwork
> -mfloat-ab
> i=softfp -mfpu=neon -mtune=cortex-a8
> --sysroot=/build/v2012.12/build/tmp-angstro
> m_v2012_12-eglibc/sysroots/beaglebone -o conftest
> -I/usr/include/ruby-1.9.1/arm-
> linux-eabi -I/usr/include/ruby-1.9.1/ruby/backward
> -I/usr/include/ruby-1.9.1 -I.
> -D_FILE_OFFSET_BITS=64 -I/usr/include/mysql -pipe -g
> -feliminate-unused-debu
> g-types -DUNIV_LINUX -O2 -pipe -g -feliminate-unused-debug-types -fPIC
> conftes
> t.c -L. -L/usr/lib -L. -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed
> -rdynamic -
> Wl,-export-dynamic -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed
> -rdynamic -L/
> usr/lib -lmysqlclient -lz -lcrypt -lnsl -lm -lruby -lpthread -lrt -ldl
> -lcrypt
> -lm -lc"
> In file included from /usr/include/ruby-1.9.1/ruby.h:32:0,
> from conftest.c:1:
> /usr/include/ruby-1.9.1/ruby/ruby.h:48:21: fatal error: string.h: No such
> file o
> r directory
> compilation terminated.
> checked program was:
> /* begin */
> 1: #include "ruby.h"
> 2:
> 3: int main() {return 0;}
> /* end */
>
> Any ideas why I might be getting this error? Mu assumption is that the
> compiler flags set by extconf.rb are somehow excluding the paths for
> dtring.h includes on the agnstrom distro? But I'm lost here - any pointers
> welcome.
>
> Thanks,
>
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