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From: Jakub Jirutka <jakub@jirutka.cz>
Date: Fri, 19 May 2017 19:56:00 +0200
Subject: [PATCH] Rubygems: don't install platform-specific gems
Gems with native extensions typically contain just source code that is
built during installation on user's system. However, Rubygems allows to
publish even platform-specific gems with prebuilt binaries for specific
platform. The problem is that Rubygems uses only short platform
identification like x86_64-linux; it does not identify used libc.
And sadly platform-specific gems for linux are built against glibc, so
they may not work on musl libc.
This patch is a workaround for the aforesaid problem. It removes local
platform from Rubygems' supported platforms to force it always pick
a platform-agnostic (source) gem. Users can override it using
`--platform` option.
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -764,7 +764,10 @@
def self.platforms
@platforms ||= []
if @platforms.empty?
- @platforms = [Gem::Platform::RUBY, Gem::Platform.local]
+ # XXX: Patched to avoid installing platform-specific gems with binaries
+ # linked against glibc.
+ @platforms = [Gem::Platform::RUBY]
+ #@platforms = [Gem::Platform::RUBY, Gem::Platform.local]
end
@platforms
end
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