[PATCH v2 5/5] meson_options.txt: Document that "configure" reads this file, too

[Thomas Huth]

Add a comment that meson_options.txt is also parsed by the configure
script and that the options need a certain layout for this to succeed.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 meson_options.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meson_options.txt b/meson_options.txt
index 2c89e79e8b..86b3c03c7d 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,3 +1,9 @@
+# Note: This file is also parsed by "configure" to automatically handle the
+# 'feature' options for its --enable-* and --disable-* parameters. To be able
+# to use this automation, make sure that the corresponding options() have their
+# "type: 'feature'" in the very first line, and their "description:" in their
+# second line.
+
 option('qemu_suffix', type : 'string', value: 'qemu',
        description: 'Suffix for QEMU data/modules/config directories (can be 
empty)')
 option('docdir', type : 'string', value : 'doc',
-- 
2.27.0