尝试使用RVM安装它时出现以下错误:>[2013-02-2510:09:24]makeCC=/usr/local/bin/gcc-4.2LD=ld>LDSHARED=/usr/local/bin/gcc-4.2-dynamic-bundleCFLAGS=-O3>-fno-fast-math-ggdb3-Wall-Wextra-Wno-unused-parameter-Wno-parentheses-Wno-long-long-Wno-missing-field-initializers-Wunused-variable-Werror=pointer-arith-Werror=write