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path: root/tool/m4/ruby_setjmp_type.m4
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2020-02-06do not assume GCC for __builtin_setjmp卜部昌平
Namely recent Sun C compiler has this function, and is not a GCC. Meanwhile the code without RUBY_JMP_BUF assumes GCC. We have to define the macro when we detect __builtin_setjmp for non-GCC compilers. Notes: Merged: https://github.com/ruby/ruby/pull/2885
2019-09-21typedef rb_jmpbuf_t to void *[5] if __builtin_setjmp is usedFangrui Song
The built-in version operates on a buffer of 5 words, much smaller than the size of jmp_buf defined in libc. Note, powerpc requires 5 words, while arm and x86_64 just require 3. Notes: Merged: https://github.com/ruby/ruby/pull/2471
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