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.
