From 69c914d0626989d44eb3b5e89cca7081800ed57b Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Thu, 9 Jan 2020 07:45:56 +0000
Subject: build system: configure: verify_source_directory(): disallow spaces
 in path.

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

(limited to 'configure')

diff --git a/configure b/configure
index 98a77db..76fc5b8 100755
--- a/configure
+++ b/configure
@@ -288,6 +288,13 @@ verify_source_directory()
 {
 	output_step_prolog ${mb_script} 'verify_source_directory'
 
+	if [ _"$mb_source_dir" != _${mb_source_dir##* } ]; then
+		error_msg "source directory path contains spaces, aborting."
+		exit 1
+	fi
+
+	eval mb_source_dir=$(printf '%s' "$mb_source_dir")
+
 	if [ -z "$mb_source_dir" ]; then
 		if [ _$mb_require_source_dir = _yes ]; then
 			error_msg "$mb_package: specifying an external source directory is required."
-- 
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