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2018-02-06deal with aclocal(1)shyouhei
This commit updates files so that aclocal.m4 generated by aclocal(1) works well with our configure.ac * ac_checking.m4: merged back to configure.ac because aclocal(1) cannot handle this macro. * ruby_append_options.m4: no longer used. * ruby_check_va_copy.m4: define using AC_DEFUN so that aclocal(1) can find this macro. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05Fix undefined behaviorkazu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05need shell's escape instead of M4's.shyouhei
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62224 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05va_copy is a C99ismshyouhei
Should provide appropriate fallback implementation. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62220 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-20Emacs friendliness [ci skip]shyouhei
Just add comment by: sed -i $'1i\\\n# -*- Autoconf -*-' tool/m4/*.m4 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-20refactor split configure.ac into filesshyouhei
This does not (yet) change anything. The generated configure file is the identical to previous one (except several empty lines added and deleted). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e