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程序问答发布时间：2022-06-02 发布网站：大佬教程 code.js-code.com

大佬教程收集整理的这篇文章主要介绍了rmagick gem 安装问题未声明的标识符 'IsGrayImage' Macbook M1，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。

如何解决rmagick gem 安装问题未声明的标识符 'IsGrayImage' MACBook M1？

开发过程中遇到rmagick gem 安装问题未声明的标识符 'IsGrayImage' MACBook M1的问题如何解决？下面主要结合日常开发的经验，给出你关于rmagick gem 安装问题未声明的标识符 'IsGrayImage' MACBook M1的解决方法建议，希望对你解决rmagick gem 安装问题未声明的标识符 'IsGrayImage' MACBook M1有所启发或帮助；

我在 M1 MACBook 上安装 Rmagick gem 时遇到问题。我通过 brew arch -arm64 brew install imagemagick 安装了最新版本的 ImageMagick 并使用以下命令对其进行了测试：

@H_68_3@magick logo: logo.gif

IDentify logo.gif

一旦我确认它工作正常，我就将 rmagick gem 添加到我的 Gemfile 中。下面是 bundle install 命令的输出。

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /Users/user/.rvm/gems/ruby-2.7.2/gems/rmagick-4.2.2/ext/RMagick
/Users/user/.rvm/rubIEs/ruby-2.7.2/bin/ruby -I /Users/user/.rvm/rubIEs/ruby-2.7.2/lib/ruby/site_ruby/2.7.0 -r ./siteconf20210721-75512-tve65x.rb extconf.rb
checking for brew... yes
checking for Ruby version >= 2.3.0... yes
checking for pkg-config... yes
checking for forced use of ImageMagick 6... no
checking for outdated ImageMagick version (<= 6.7.7)... no
checking for gcc... yes
checking for __GNUC__... yes
checking for MagickCore/MagickCore.h... yes
checking for rb_gc_adjust_memory_usage() in assert.h,ctype.h,stdio.h,stdlib.h,math.h,time.h,sys/types.h,MagickCore/MagickCore.h... yes
checking for posix_memalign() in assert.h,MagickCore/MagickCore.h... yes
checking for malloc_usable_size() in assert.h,MagickCore/MagickCore.h... no
checking for malloc_size() in assert.h,MagickCore/MagickCore.h... yes
checking for _aligned_msize() in assert.h,MagickCore/MagickCore.h... no
checking for getimageChAnnelEntropy() in assert.h,MagickCore/MagickCore.h... no
checking for SetimageGray() in assert.h,MagickCore/MagickCore.h... no
checking for SetMagickAlignedMemorymethods() in assert.h,MagickCore/MagickCore.h... no
checking for malloc.h... no
checking for malloc/malloc.h... yes
creaTing extconf.h
creaTing Makefile
======================================================================
Wed 21 Jul 21 07:25:56
This installation of RMagick 4.2.2 is configured for
Ruby 2.7.2 (x86_64-darwin20) and ImageMagick 7.1.0
======================================================================


Configured compile options: {:magick_version=>"7.1.0",:local_libs=>" -L/opt/homebrew/Cellar/imagemagick/7.1.0-4_1/lib -lMagickCore-7.Q16HDRI",:cflags=>" -Xpreprocessor -fopenmp
-DMAGICKCORE_HDRI_ENABLE=1 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/Opt/homebrew/Cellar/imagemagick/7.1.0-4_1/include/ImageMagick-7 -std=gnu99",:cppflags=>" -Xpreprocessor -fopenmp
-DMAGICKCORE_HDRI_ENABLE=1 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/Opt/homebrew/Cellar/imagemagick/7.1.0-4_1/include/ImageMagick-7",:ldflags=>"
-L/opt/homebrew/Cellar/imagemagick/7.1.0-4_1/lib -lMagickCore-7.Q16HDRI",:defs=>[],:config_h=>"Makefile"}

current directory: /Users/user/.rvm/gems/ruby-2.7.2/gems/rmagick-4.2.2/ext/RMagick
make DESTDIR\= clean

current directory: /Users/user/.rvm/gems/ruby-2.7.2/gems/rmagick-4.2.2/ext/RMagick
make DESTDIR\=
compiling rmagick.c
compiling rmdraw.c
compiling rmenum.c
compiling rmfill.c
compiling rmiList.c
compiling rmimage.c
rmimage.c:7552:32: error: use of undeclared IDentifIEr 'IsGrayImage'
    return has_attribute(self,IsGrayImagE);
                               ^
1 error generated.
make: *** [Makefile:245: rmimage.o] Error 1

make Failed,exit code 2

Gem files will remain installed in /Users/user/.rvm/gems/ruby-2.7.2/gems/rmagick-4.2.2 for inspection.
Results logged to /Users/user/.rvm/gems/ruby-2.7.2/extensions/x86_64-darwin-20/2.7.0/rmagick-4.2.2/gem_make.out

An error occurred while installing rmagick (4.2.2),and Bundler cAnnot conTinue.
Make sure that `gem install rmagick -v '4.2.2' --source 'https://rubygems.org/'` succeeds before bundling.

In Gemfile:
  rmagick