From fe0225ff4d5af8b1f54009727b39d0d9b821eea3 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 15 Sep 2023 12:08:25 +0900
Subject: [Bug #19778] Add `-I` options for opt-dir to `$INCFLAGS`

These options have been separated from `$CFLAGS` already in the
other places.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 122e061792..30a1350fa6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -967,7 +967,7 @@ AS_IF([test "x$OPT_DIR" != x], [
     LDFLAGS="${LDFLAGS:+$LDFLAGS }$val"
     DLDFLAGS="${DLDFLAGS:+$DLDFLAGS }$val"
     LDFLAGS_OPTDIR="$val"
-    CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }"`echo "$OPT_DIR" | tr "${PATH_SEPARATOR}" '\012' |
+    INCFLAGS="${INCFLAGS:+$INCFLAGS }"`echo "$OPT_DIR" | tr "${PATH_SEPARATOR}" '\012' |
         sed '/^$/d;s|^|-I|;s|$|/include|' | tr '\012' ' ' | sed 's/ *$//'`
 ])
 
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