尝试使用 RVM (rvm install ruby 1.9.3) 安装 Ruby 1.9.3 时，出现以下错误：
Searching for binary rubies, this might take some time.
No binary rubies available for: osx/10.8/x86_64/ruby-1.9.3-p362.
Continuing with compilation. Please read 'rvm mount' to get more information on binary rubies.
Fetching yaml-0.1.4.tar.gz to /Users/christiaan/.rvm/archives
Extracting yaml to /Users/christiaan/.rvm/src/yaml-0.1.4
Configuring yaml in /Users/christiaan/.rvm/src/yaml-0.1.4.
Error running 'env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --prefix=/Users/christiaan/.rvm/usr', please read /Users/christiaan/.rvm/log/ruby-1.9.3-p362/yaml/configure.log
Compiling yaml in /Users/christiaan/.rvm/src/yaml-0.1.4.
Error running 'make', please read /Users/christiaan/.rvm/log/ruby-1.9.3-p362/yaml/make.log
Installing Ruby from source to: /Users/christiaan/.rvm/rubies/ruby-1.9.3-p362, this may take a while depending on your cpu(s)...
ruby-1.9.3-p362 - #downloading ruby-1.9.3-p362, this may take a while depending on your connection...
ruby-1.9.3-p362 - #extracted to /Users/christiaan/.rvm/src/ruby-1.9.3-p362 (already extracted)
ruby-1.9.3-p362 - #configuring
Error running 'env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --enable-shared --disable-install-doc --prefix=/Users/christiaan/.rvm/rubies/ruby-1.9.3-p362 --with-opt-dir=/Users/christiaan/.rvm/usr', please read /Users/christiaan/.rvm/log/ruby-1.9.3-p362/configure.log
There has been an error while running configure. Halting the installation.
我已经尝试了类似问题的所有提示，但似乎无法解决这个问题。
YAML 日志（生成的第一个错误日志）：
[2012-12-28 16:18:06] env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --prefix=/Users/christiaan/.rvm/usr
current path: /Users/christiaan/.rvm/src/yaml-0.1.4
command(4): env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --prefix=/Users/christiaan/.rvm/usr
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... config/install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking for gcc... /usr/local/bin/gcc-4.2
checking whether the C compiler works... no
configure: error: in `/Users/christiaan/.rvm/src/yaml-0.1.4':
configure: error: C compiler cannot create executables
See `config.log' for more details
RVM 日志（生成的第二个错误日志）：
[2012-12-28 16:18:08] env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --enable-shared --disable-install-doc --prefix=/Users/christiaan/.rvm/rubies/ruby-1.9.3-p362 --with-opt-dir=/Users/christiaan/.rvm/usr
current path: /Users/christiaan/.rvm/src/ruby-1.9.3-p362
command(7): env LDFLAGS=-L/opt/sm/pkg/active/lib CFLAGS=-I/opt/sm/pkg/active/include CPATH=/opt/sm/pkg/active/include ./configure --enable-shared --disable-install-doc --prefix=/Users/christiaan/.rvm/rubies/ruby-1.9.3-p362 --with-opt-dir=/Users/christiaan/.rvm/usr
checking build system type... x86_64-apple-darwin12.2.0
checking host system type... x86_64-apple-darwin12.2.0
checking target system type... x86_64-apple-darwin12.2.0
checking for C compiler default output file name...
configure: error: C compiler cannot create executables
See `config.log' for more details.
