Cocoapods安装构建错误

Question

我试图在我的Mac上安装cocoapods，但出现以下错误：

Building native extensions.  This could take a while...
ERROR:  Error installing cocoapods:
    ERROR: Failed to build gem native extension.

    /Users/aleix/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb
creating Makefile

make "DESTDIR="
compiling generator.c
make: I.: No such file or directory
make: [generator.o] Error 1 (ignored)
linking shared-object json/ext/generator.bundle
make: dynamic: No such file or directory
make: [generator.bundle] Error 1 (ignored)

make "DESTDIR=" install
compiling generator.c
make: I.: No such file or directory
make: [generator.o] Error 1 (ignored)
linking shared-object json/ext/generator.bundle
make: dynamic: No such file or directory
make: [generator.bundle] Error 1 (ignored)
./install -m 0755 generator.bundle ./.gem.20130930-1849-csgswk/json/ext
make: ./install: No such file or directory
make: *** [install-so] Error 1

我到处搜索，找不到任何答案。

[更新]看着生成的Makefile，CC变量为空

CC =
CXX = clang++
LIBRUBY = $(LIBRUBY_A)
LIBRUBY_A = lib$(RUBY_SO_NAME)-static.a
LIBRUBYARG_SHARED =
LIBRUBYARG_STATIC = -l$(RUBY_SO_NAME)-static
empty =
OUTFLAG = -o $(empty)
COUTFLAG = -o $(empty(

真的很奇怪！

Answer 1

您是否安装了用于XCode的Comand Line工具（XCode->首选项->下载->组件选项卡-> Comand Line工具->安装）？