meson: use python3 module to find python3

This handy helper is nice for OSes that are not linux or BSD like (mac
and windows) as it knows how to find python3 in odd places.

Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

diff --git a/meson.build b/meson.build
index c9ef70346a157452231f4aa0521ae31a9d3d98ce..351c0785aff26f2dc6335a117ac546577cb2a11c 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -697,7 +697,7 @@ if with_platform_haiku
   pre_args += '-DHAVE_HAIKU_PLATFORM'
 endif
 
-prog_python = find_program('python3')
+prog_python = import('python3').find_python()
 has_mako = run_command(
   prog_python, '-c',
   '''