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| -rw-r--r-- | doc/contributing.rdoc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/contributing.rdoc b/doc/contributing.rdoc index 7d39c12fda..7ca6928266 100644 --- a/doc/contributing.rdoc +++ b/doc/contributing.rdoc @@ -257,9 +257,9 @@ Install the prerequisite dependencies for building the CRuby interpreter to run tests. * C compiler -* autoconf -* bison -* gperf +* autoconf - 2.67 or later, preferably 2.69. +* bison - 2.0 or later, preferably 3.4. +* gperf - 3.0.3 or later, preferably 3.1. * ruby - Ruby itself is prerequisite in order to build Ruby from source. It can be 1.8. |