meson: avoid detecting m4 dir as a program

This is a bug in meson, already fixed upstream.
For now, just specify the full path.

diff --git a/meson.build b/meson.build
index 95445f9559fb6e652856eb0d4c9c39d915aefb73..506b43dfca738cf95cae950b01e1b4ac00e88602 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -380,7 +380,7 @@ endforeach
 sed = find_program('sed')
 grep = find_program('grep')
 awk = find_program('awk')
-m4 = find_program('m4')
+m4 = find_program('/usr/bin/m4')
 stat = find_program('stat')
 
 # if -Dxxx-path option is found, use that. Otherwise, check in $PATH,