当我试图安装最新版本的compass (https://rubygems.org/gems/compass/versions/1.0.0.alpha.17)时,我得到以下错误。

ERROR:  Error installing compass:
ERROR: Failed to build gem native extension.

 ERROR:  Error installing compass:
  ERROR: Failed to build gem native extension.

    /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
checking for ffi.h... no
checking for ffi.h in /usr/local/include,/usr/include/ffi... yes
checking for ffi_call() in -lffi... yes
checking for ffi_prep_closure()... yes
checking for ffi_raw_call()... no
checking for rb_thread_blocking_region()... yes
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_call_without_gvl()... yes
checking for ffi_prep_cif_var()... no
creating extconf.h
creating Makefile

make "DESTDIR=" clean

make "DESTDIR="
compiling AbstractMemory.c
compiling ArrayType.c
compiling Buffer.c
compiling Call.c
Call.c:303:5: warning: implicit declaration of function 'rb_thread_call_without_gvl' is invalid in C99 [-Wimplicit-function-declaration]
    rbffi_thread_blocking_region(call_blocking_function, data, (void *) -1, NULL);
    ^
./Thread.h:78:39: note: expanded from macro 'rbffi_thread_blocking_region'
# define rbffi_thread_blocking_region rb_thread_call_without_gvl
                                      ^
1 warning generated.
compiling ClosurePool.c
compiling DataConverter.c
DataConverter.c:43:1: warning: control may reach end of non-void function [-Wreturn-type]
}
^
1 warning generated.
compiling DynamicLibrary.c
compiling ffi.c
compiling Function.c
Function.c:479:33: warning: incompatible pointer types passing 'VALUE (void *)' to parameter of type 'void *(*)(void *)' [-Wincompatible-pointer-types]
        rb_thread_call_with_gvl(callback_with_gvl, &cb);
                                ^~~~~~~~~~~~~~~~~
Function.c:102:46: note: passing argument to parameter 'func' here
extern void *rb_thread_call_with_gvl(void *(*func)(void *), void *data1);
                                             ^
Function.c:563:9: warning: implicit declaration of function 'rb_thread_call_without_gvl' is invalid in C99 [-Wimplicit-function-declaration]
        rb_thread_call_without_gvl(async_cb_wait, &w, async_cb_stop, &w);
        ^
Function.c:738:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
3 warnings generated.
compiling FunctionInfo.c
compiling LastError.c
compiling LongDouble.c
compiling MappedType.c
compiling MemoryPointer.c
compiling MethodHandle.c
compiling Platform.c
compiling Pointer.c
compiling Struct.c
compiling StructByReference.c
compiling StructByValue.c
compiling StructLayout.c
compiling Thread.c
compiling Type.c
compiling Types.c
compiling Variadic.c
linking shared-object ffi_c.bundle
clang: error: unknown argument: '-multiply_definedsuppress' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
make: *** [ffi_c.bundle] Error 1

make failed, exit code 2

Gem files will remain installed in /Library/Ruby/Gems/2.0.0/gems/ffi-1.9.3 for inspection.
Results logged to /Library/Ruby/Gems/2.0.0/extensions/universal-darwin-13/2.0.0/ffi-1.9.3/gem_make.out

这是怎么回事?如何正确安装最新的指南针?


当前回答

首先必须从Ruby 2.6升级到3.0(参见https://rvm.io/):)

$ curl -sSL https://get.rvm.io | bash -s stable --ruby
$ source /Usrs/myuser/.rvm/scripts/rvm

然后我必须在本地安装它,否则Mac OSX权限不会让我升级它(见错误:当执行gem…(Errno::EPERM)操作不允许)

$ sudo gem install -n /usr/local/bin compass

我不完全确定首先安装rvm是否有必要,但它对升级ruby是有用的。

其他回答

你可以试试在Debian上用

sudo apt-get install gcc ruby-dev rubygems compass

Fedora, Centos

yum -y install gcc ruby-devel rubygems compass

这对我很管用。

我为你这个问题纠结了大约3个小时。从Compass 1.0开始。Alpha19,需求是RVM版本1.9.3。

有几个未收集的帖子,但对我有用的是以下几点:

Sudo gem卸载sass 须藤宝石卸载罗盘 RVM安装ruby-1.9.3-p448 Sudo gem安装sass—pre Sudo宝石安装指南针-pre

这样就成功了。希望它也适用于你!

为了在Yosemite上安装Compass,你需要设置Ruby环境并安装Xcode命令行工具。 但是,最重要的是,在更新Xcode之后,一定要启动Xcode应用程序并接受苹果的许可条款。完成组件的安装。 之后,你可以安装Compass: sudo gem install Compass

你必须有gcc,json_pure

我从几个帖子上收集了一些信息

Sudo gem卸载sass 须藤宝石卸载罗盘 Sudo gem update—system Gem安装json_pure(如果你已经继续下一步) Sudo yum安装GCC GCC -c++(如果你已经有继续下一步) Sudo gem安装sass 须藤宝石安装指南针

嗨,如果** sudo宝石更新-系统**不工作,你在更新中得到一个错误,然后使用

Sudo gem更新—系统2.7.8

在ubuntu 14.04中,当执行apt-get install rubygems时,出现一个错误

E:软件包“rubygems”没有安装候选

服从命令解决问题。

Sudo apt-get安装GCC ruby-devel rubygems-集成ruby-compass