无法编译ruby 1.9.3 [英] Cannot compile ruby 1.9.3
问题描述
当我执行
rvm install 1.9.3 --with-gcc=clang
在Mac OSX Lion，ruby不编译，我得到以下错误在（.rvm / log / ruby-1.9.3- p374 / make.log）
on Mac OSX Lion, ruby does not compile, and I get the following error in (.rvm/log/ruby-1.9.3-p374/make.log)
[2013-01-29 16:31:05] make
CC = clang
LD = ld
LDSHARED = clang -dynamic -bundle
CFLAGS = -O3 -ggdb -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Werror=pointer-arith -Werror=write-strings -Werror=declaration-after-statement -Werror=shorten-64-to-32 -Werror=implicit-function-declaration -pipe
XCFLAGS = -include ruby/config.h -include ruby/missing.h -fvisibility=hidden -DRUBY_EXPORT
CPPFLAGS = -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -I/Users/will/.rvm/usr/include -I. -I.ext/include/x86_64-darwin12.2.1 -I./include -I.
DLDFLAGS = -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress -Wl,-flat_namespace
SOLIBS =
compiling regparse.c
regparse.c:582:15: error: implicit conversion loses integer precision: 'st_index_t' (aka 'unsigned long') to 'int' [-Werror,-Wshorten-64-to-32]
return t->num_entries;
~~~~~~ ~~~^~~~~~~~~~~
1 error generated.
make: *** [regparse.o] Error 1
如何获得ruby 1.9.3在Lion上安装
How can I get ruby 1.9.3 to install on Lion?
推荐答案
您正在使用 clang ，根据这张票 http://bugs.ruby-lang.org/issues/5883 - 它不是完全支持 - 你需要尝试使用 gcc-4.2 ，你会得到说明为homebrew与运行 rvm要求。
you are using clang, according to this ticket http://bugs.ruby-lang.org/issues/5883 - it's not "fully" supported - you need to try using gcc-4.2, you get instructions for homebrew with running rvm requirements.
这里是这个问题的RVM票证 https://github.com/wayneeseguin/rvm/issues/1480
here is RVM ticket for this problem https://github.com/wayneeseguin/rvm/issues/1480
更新：Ruby-2.0.0实际上与 clang 然后使用 gcc-4.2 ，更多详细信息： http://stackoverflow.com/a/15655034/497756
UPDATE: Ruby-2.0.0 actually compiles better with clang then with gcc-4.2, more details here: http://stackoverflow.com/a/15655034/497756
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