From 724c1261a611ff95325a886279d79aeaf45a4eaf Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 10 Apr 2021 16:15:25 +0000
Subject: build system: configure: automatically detect make mode if not
 already set.

---
 configure | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/configure b/configure
index ff05411..9224416 100755
--- a/configure
+++ b/configure
@@ -611,6 +611,15 @@ common_defaults()
 
 	if [ -z "$mb_makemode" ]; then
 		mb_makemode='posix'
+
+		printf '%s\n%s\n%s\n\n%s\n\n'        \
+				'ifeq (a,b)'          \
+				'VAR = val'            \
+				'endif'                 \
+				'all:'                   \
+			| ${mb_make} -s -f - 2>/dev/null  \
+		&& mb_makemode='modern'
+
 	fi
 
 	# shell
-- 
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