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authorNobuyoshi Nakada <nobu@ruby-lang.org>2019-08-03 14:56:41 +0900
committerNobuyoshi Nakada <nobu@ruby-lang.org>2019-08-03 14:56:41 +0900
commit954223ebd4229d4ca18ee5b78249c4330473910e (patch)
treef9957962a0e18d12945c184e7385c9782abdd950 /doc
parent6623cde731c7624e26e0e1e1e51eada911783629 (diff)
[DOC] mentioned minimum versions of tools [ci skip]
Diffstat (limited to 'doc')
-rw-r--r--doc/contributing.rdoc6
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.