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-rw-r--r--Etc/zsh-development-guide7
1 files changed, 3 insertions, 4 deletions
diff --git a/Etc/zsh-development-guide b/Etc/zsh-development-guide
index cba2beaed..0e9abb591 100644
--- a/Etc/zsh-development-guide
+++ b/Etc/zsh-development-guide
@@ -18,10 +18,9 @@ Tools
 To develop (as opposed to just build) zsh, you'll need a few specialised
 tools:
 
-* GNU autoconf, version 2.12 or later.  (Earlier versions mostly work,
-  but part of the configuration system now relies on part of the format
-  of the config.status files that get generated.  See the comments in
-  configure.in and at the end of Src/mkmakemod.sh for an explanation.)
+* GNU autoconf, version 2.50 or later.  This version contained
+  significant enhancements and arlier versions will no
+  longer work.
 
 * GNU m4.  (Required by autoconf.)