From af85b76e205517ad4e7716834d9e388d0f41031d Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 23 May 2021 15:31:24 +0000
Subject: build system: configure: config_copy(): support alternate make-file
 templates.

---
 configure | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 8424799..d7c5121 100755
--- a/configure
+++ b/configure
@@ -747,6 +747,7 @@ config_copy()
 
 	mb_var_defs=
 	mb_sed_substs=
+	mb_template="${1:-$mb_project_dir/Makefile.in}"
 
 	mb_vars=$(cut -d'=' -f1 "$sfrt_config_vars" "$sfrt_opt_vars" \
 		| grep -v '^#');
@@ -763,9 +764,9 @@ config_copy()
 		eval mb_var_defs='"$mb_var_defs "$mb_var_def'
 	done
 
-	eval sed $mb_sed_substs $mb_project_dir/Makefile.in \
-			| eval m4 $mb_var_defs -             \
-			| sed -e 's/[[:blank:]]*$//g'         \
+	eval sed $mb_sed_substs $mb_template         \
+			| eval m4 $mb_var_defs -      \
+			| sed -e 's/[[:blank:]]*$//g'  \
 		> $mb_pwd/Makefile.tmp
 
 	output_step_epilog
-- 
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