[ruby/bigdecimal] Read version from bigdecimal.c

The dependency of extconf.h on bigdecimal.gemspec does not make sense
as far as no rule is defined for it.  Also, the relationship between
extension library and gemspec file is various in default gems, and
does not work well.

https://github.com/ruby/bigdecimal/commit/7f99b28552

1 files changed, 0 insertions, 25 deletions

diff --git a/ext/bigdecimal/extconf.rb b/ext/bigdecimal/extconf.rb
index 17e7905dd6..23904ed60e 100644
--- a/ext/bigdecimal/extconf.rb
+++ b/ext/bigdecimal/extconf.rb
@@ -1,18 +1,6 @@
 # frozen_string_literal: false
 require 'mkmf'
 
-def check_bigdecimal_version(gemspec_path)
-  message "checking RUBY_BIGDECIMAL_VERSION... "
-  bigdecimal_version = File.read(gemspec_path).match(/^\s*s\.version\s+=\s+['"]([^'"]+)['"]\s*$/)[1]
-
-  version_components = bigdecimal_version.split('.')
-  bigdecimal_version = version_components[0, 3].join('.')
-  bigdecimal_version << "-#{version_components[3]}" if version_components[3]
-  $defs << %Q[-DRUBY_BIGDECIMAL_VERSION=\\"#{bigdecimal_version}\\"]
-
-  message "#{bigdecimal_version}\n"
-end
-
 def have_builtin_func(name, check_expr, opt = "", &b)
   checking_for checking_message(name.funcall_style, nil, opt) do
     if try_compile(<<SRC, opt, &b)
@@ -27,18 +15,6 @@ SRC
   end
 end
 
-gemspec_name = gemspec_path = nil
-unless ['', '../../'].any? {|dir|
-         gemspec_name = "#{dir}bigdecimal.gemspec"
-         gemspec_path = File.expand_path("../#{gemspec_name}", __FILE__)
-         File.file?(gemspec_path)
-       }
-  $stderr.puts "Unable to find bigdecimal.gemspec"
-  abort
-end
-
-check_bigdecimal_version(gemspec_path)
-
 have_builtin_func("__builtin_clz", "__builtin_clz(0)")
 have_builtin_func("__builtin_clzl", "__builtin_clzl(0)")
 have_builtin_func("__builtin_clzll", "__builtin_clzll(0)")
@@ -82,6 +58,5 @@ else
 end
 
 create_makefile('bigdecimal') {|mf|
-  mf << "GEMSPEC = #{gemspec_name}\n"
   mf << "BIGDECIMAL_RB = #{bigdecimal_rb}\n"
 }