Have you upgraded to Lion since your original installation? If so, you need to reinstall the unix tools from Xcode and that should alleviate the issue for you. Hope that helps.
On Oct 27, 8:44 pm, Cato <[email protected]> wrote: > My Mac OS X version is 10.6.6 Ruby version is 1.9.2 Rails version is > 3.1 Please note that I have installed MAMP before. When I type gem > install mysql2, a message shows: > > yeung-catoteki-iMac:~ catoyeung$ gem install mysql2 > Building native extensions. This could take a while... > ERROR: Error installing mysql2: > ERROR: Failed to build gem native extension. > > /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb > checking for rb_thread_blocking_region()... yes > checking for mysql.h... yes > checking for errmsg.h... yes > checking for mysqld_error.h... yes > creating Makefile > > make > gcc -I. -I/Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ > ruby-1.9.1/x86_64-darwin10.4.0 -I/Users/catoyeung/.rvm/rubies/ > ruby-1.9.2-p180/include/ruby-1.9.1/ruby/backward -I/Users/ > catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1 -I. - > DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_MYSQL_H -DHAVE_ERRMSG_H - > DHAVE_MYSQLD_ERROR_H -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -I/usr/local/ > mysql/include -g -Os -arch i386 -fno-common -D_P1003_1B_VISIBLE - > DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ - > DIGNORE_SIGHUP_SIGQUIT -DDONT_DECLARE_CXA_PURE_VIRTUAL -fno-common - > O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer- > arith -Wwrite-strings -Wno-missing-field-initializers -Wshorten-64- > to-32 -Wno-long-long -fno-common -pipe -Wall -funroll-loops -o > client.o -c client.c > In file included from /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/ > include/ruby-1.9.1/ruby.h:32, > from ./mysql2_ext.h:8, > from client.c:1: > /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1/ruby/ > ruby.h:108: error: size of array ‘ruby_check_sizeof_long’ is negative > /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1/ruby/ > ruby.h:112: error: size of array ‘ruby_check_sizeof_voidp’ is negative > In file included from /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/ > include/ruby-1.9.1/ruby/intern.h:29, > from /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ > ruby-1.9.1/ruby/ruby.h:1327, > from /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ > ruby-1.9.1/ruby.h:32, > from ./mysql2_ext.h:8, > from client.c:1: > /Users/catoyeung/.rvm/rubies/ruby-1.9.2-p180/include/ruby-1.9.1/ruby/ > st.h:69: error: size of array ‘st_check_for_sizeof_st_index_t’ is > negative > make: *** [client.o] Error 1 > > Gem files will remain installed in /Users/catoyeung/.rvm/gems/ > ruby-1.9.2- p180@rails3_1/gems/mysql2-0.3.7 for inspection. > Results logged to /Users/catoyeung/.rvm/gems/ruby-1.9.2-p180@rails3_1/ > gems/mysql2-0.3.7/ext/mysql2/gem_make.out > > Experts, please help. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
