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我在OSX Lion上安装PostgreSQL gem时遇到问题。运行gem install pg后，我得到了生成文件后，下面的输出创建：努力在OSX Lion上安装pg gem - “在架构x86_64的文件中缺少必需的体系结构x86_64”
make
/usr/bin/gcc-4.2 -I. -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/x86_64-darwin11.2.0 -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/ruby/backward -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1 -I. -DRUBY_EXTCONF_H=\"extconf.h\" -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -I/usr/include -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 -o compat.o -c compat.c
/usr/bin/gcc-4.2 -I. -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/x86_64-darwin11.2.0 -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/ruby/backward -I/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1 -I. -DRUBY_EXTCONF_H=\"extconf.h\" -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -I/usr/include -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 -o pg.o -c pg.c
pg.c: In function ‘pgconn_exec’:
pg.c:947: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:986: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_prepare’:
pg.c:1052: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_exec_prepared’:
pg.c:1143: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:1173: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_s_escape’:
pg.c:1317: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:1324: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_send_query’:
pg.c:1497: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:1536: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_send_prepare’:
pg.c:1601: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_send_query_prepared’:
pg.c:1690: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:1721: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_wait_for_notify’:
pg.c:2096: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_put_copy_data’:
pg.c:2166: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘pgconn_block’:
pg.c:2579: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c:2585: warning: format not a string literal and no format arguments
pg.c:2600: warning: format not a string literal and no format arguments
pg.c: In function ‘pgconn_locreate’:
pg.c:2863: warning: implicit conversion shortens 64-bit value into a 32-bit value
pg.c: In function ‘find_or_create_johab’:
pg.c:3933: warning: comparison between signed and unsigned
pg.c:3939: warning: comparison between signed and unsigned
pg.c: In function ‘pgconn_get_client_encoding_as_rb_encoding’:
pg.c:3967: warning: comparison between signed and unsigned
pg.c: In function ‘pgconn_get_rb_encoding_as_pg_encname’:
pg.c:3999: warning: comparison between signed and unsigned
pg.c: In function ‘pgconn_internal_encoding_set’:
pg.c:4058: warning: comparison between signed and unsigned
pg.c: In function ‘pgconn_external_encoding’:
pg.c:4114: warning: comparison between signed and unsigned
/usr/bin/gcc-4.2 -dynamic -bundle -o pg_ext.bundle compat.o pg.o -L. -L/Users/Stuart/.rvm/rubies/ruby-1.9.2-p290/lib -L. -L/usr/local/lib -L/usr/lib -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress -Wl,-flat_namespace -lruby.1.9.1 -lpq -lpthread -ldl -lobjc
ld: in /usr/local/lib/libssl.0.9.8.dylib, missing required architecture x86_64 in file for architecture x86_64
collect2: ld returned 1 exit status
make: *** [pg_ext.bundle] Error 1
任何想法？我以前没有在OSX上使用过Postgre，所以可能是我的安装问题？
你是如何安装PostgreSQL的？显然，ruby预计它的x86_64版本，它看起来像你已经安装了x86之一。或者当它期待一个胖二进制文件时，它会尝试链接到一个仅支持x86的'libssl'。 – Romain
我不记得说实话了。我的印象是它包含在Lion中作为默认版本 – Pezholio
选中：它随附Lion，并且安装的版本是通用的（x86_64/i386）。你的红宝石可能不是普遍的，这可能是你的问题。 – Romain