尝试在 macOS Catalina 上安装 Jekyll 时构建 libffi gem 本机扩展时出现问题

Question

编辑：如果您想完成所有步骤，我在我的博客 here 上写了一个更详细的解决方案。

我正在尝试通过 gem install Jekyll 在 macOS Catalina 上使用 Ruby 通过自制软件安装并位于 /usr/local/opt/ruby/bin/ruby 安装 Jekyll，我运行进入以下错误

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

current directory:
/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/ffi-1.9.21/ext/ffi_c
/Users/foobar/.rbenv/versions/2.5.1/bin/ruby -r ./siteconf20181118-49440-k8mjki.rb
extconf.rb
checking for ffi.h... no
checking for ffi.h in /usr/local/include,/usr/include/ffi... no
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
creating extconf.h
creating Makefile

current directory:
/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/ffi-1.9.21/ext/ffi_c
make "DESTDIR=" clean

current directory:
/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/ffi-1.9.21/ext/ffi_c
make "DESTDIR="
Running autoreconf for libffi
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I m4 --output=aclocal.m4t
Can't exec "aclocal": No such file or directory at
/usr/local/Cellar/autoconf/2.69/share/autoconf/Autom4te/FileUtils.pm line 326.
autoreconf: failed to run aclocal: No such file or directory
make: ***
["/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/ffi-1.9.21/ext/ffi_c/libffi-x86_64-darwin18"/.libs/libffi_convenience.a]
Error 1

make failed, exit code 2

Gem files will remain installed in
/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/ffi-1.9.21 for inspection.
Results logged to
/Users/foobar/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/extensions/x86_64-darwin-18/2.5.0-static/ffi-1.9.21/gem_make.out

An error occurred while installing ffi (1.9.21), and Bundler cannot continue.

我已经尝试通过 xcode-select --install 更新我的 Xcode 命令行工具，但我收到了以下消息：

xcode-select: error: command line tools are already installed, use "Software Update" to install updates

有谁知道如何在我的机器上构建 libffi 以便 Jekyll 可以将其用作依赖项？

Answer 1

啊啊啊我想通了！感谢@ffleming here。这是您需要做的：

使用 brew reinstall libffi
将新的 brew 安装的 libffi 标志添加到您的 shell 实例，例如

export LDFLAGS="-L/usr/local/opt/libffi/lib"
export PKG_CONFIG_PATH="/usr/local/opt/libffi/lib/pkgconfig"

运行 gem install jekyll 你应该被排序了！

尝试在 macOS Catalina 上安装 Jekyll 时构建 libffi gem 本机扩展时出现问题

Issues building the libffi gem native extension when trying to install Jekyll on macOS Catalina

ruby

rubygems

jekyll

macos-catalina

libffi