[ruby-cvs:72254] shyouhei:r65154 (trunk): configure.ac: do not overwrite -std=

shyouhei at ruby-lang.org shyouhei at ruby-lang.org
Thu Oct 18 18:21:05 JST 2018

shyouhei	2018-10-18 18:21:05 +0900 (Thu, 18 Oct 2018)

  New Revision: 65154


    configure.ac: do not overwrite -std=
    Set -std=gnu99 only when no such compiler flag(s) are set in any
    compiler-related environment variables.  This enables users to
    specify something more modern, say, -std=c11.

  Modified files:

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