Building native extensions. This could take a while...
ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby -r ./siteconf20150610-6663-7exisu.rb extconf.rb
creating Makefile
make "DESTDIR=" clean
make "DESTDIR="
compiling generator.c
linking shared-object json/ext/generator.bundle
clang: error: unknown argument: '-multiply_definedsuppress' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
make: *** [generator.bundle] Error 1
make failed, exit code 2
This is error log in terminal and i cant find the solution i update the ruby and system and lots of stuff where i wrong- i have ios7 and Mac-10.9