https://git.ruby-lang.org/ruby.git/commit/?id=73b6bc5790

From 73b6bc579063fb03bd566cbac5ac76d18e481dc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Fri, 21 Aug 2020 11:47:18 +0900
Subject: AC_PROG_CXXCPP: remove

Caused CI failures on environments without sane C++ compilers.

diff --git a/configure.ac b/configure.ac
index 7a56514..9531ac9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -180,7 +180,6 @@ AS_CASE(["${target_os}"], https://github.com/ruby/ruby/blob/trunk/configure.ac#L180
 AC_PROG_CC_C99
 AC_PROG_CXX
 AC_PROG_CPP
-AC_PROG_CXXCPP
 AC_PROG_RANLIB
 AC_CHECK_TOOLS([AR],      [gar ar])
 AC_CHECK_TOOLS([AS],      [gas as])
-- 
cgit v0.10.2


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