问题描述
无法安装特定的 ffi 版本.如果我运行 gem install ffi，一切正常，但我需要特定版本 1.9.18 并且它不起作用.
Can't install specific ffi version. If I run gem install ffi, everything works just fine but I need specific version 1.9.18 and it doesn't work.
Fetching ffi 1.9.18
Installing ffi 1.9.18 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
current directory: /Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ffi-
1.9.18/ext/ffi_c
/Users/chille/.rbenv/versions/2.6.5/bin/ruby -I
/Users/chille/.rbenv/versions/2.6.5/lib/ruby/2.6.0 -r
./siteconf20200928-22154-72wopi.rb extconf.rb
checking for ffi_call() in -lffi... yes
checking for ffi_prep_closure()... yes
checking for ffi_raw_call()... yes
checking for ffi_prep_raw_closure()... yes
checking for shlwapi.h... no
checking for rb_thread_blocking_region()... no
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_call_without_gvl()... yes
checking for ffi_prep_cif_var()... yes
creating extconf.h
creating Makefile
current directory: /Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ffi-
1.9.18/ext/ffi_c
make "DESTDIR=" clean
current directory: /Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ffi-
1.9.18/ext/ffi_c
make "DESTDIR="
compiling AbstractMemory.c
compiling ArrayType.c
compiling Buffer.c
compiling Call.c
Call.c:355:5: error: implicit declaration of function 'rb_thread_call_without_gvl' is
invalid in C99
[-Werror,-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 error generated.
make: *** [Call.o] Error 1
make failed, exit code 2
Gem files will remain installed in
/Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ffi-1.9.18 用于检查.结果记录到/Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/extensions/x86_64-darwin-19/2.6.0/ffi-1.9.18/gem_make.out
/Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ffi-1.9.18 for inspection.Results logged to /Users/chille/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/extensions/x86_64-darwin-19/2.6.0/ffi-1.9.18/gem_make.out
安装 ffi (1.9.18) 时出错，Bundler 无法继续.打包前确保 gem install ffi -v '1.9.18' 成功.
An error occurred while installing ffi (1.9.18), and Bundler cannot continue.Make sure that gem install ffi -v '1.9.18' succeeds before bundling.
在 Gemfile 中:bootstrap-sass 被解析为 3.3.7，这取决于sass 被解析为 3.5.5，这取决于sass-listen 被解析为 4.0.0，这取决于rb-inotify 被解析为 0.9.10，这取决于非
In Gemfile:bootstrap-sass was resolved to 3.3.7, which depends onsass was resolved to 3.5.5, which depends onsass-listen was resolved to 4.0.0, which depends onrb-inotify was resolved to 0.9.10, which depends onffi
推荐答案
要克服该错误，请使用以下方法安装 ffi:
To get past that error, install ffi using:
gem install ffi -v '1.9.18' -- --with-cflags="-Wno-error=implicit-function-declaration"
这篇关于无法在 macos Catalina 上安装 ffi -v '1.9.18'的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！