gcc-source: add comment explaining why a function is Python

Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/recipes-devtools/gcc/gcc-source.inc b/meta/recipes-devtools/gcc/gcc-source.inc
index fab99f2d1e89aa8a4779b7764672c60772031741..03bab9781513a9b6a36ece56df4dceb54f710975 100644 (file)
--- a/meta/recipes-devtools/gcc/gcc-source.inc
+++ b/meta/recipes-devtools/gcc/gcc-source.inc
@@ -18,6 +18,8 @@ INHIBIT_DEFAULT_DEPS = "1"
 DEPENDS = ""
 PACKAGES = ""
 
+
+# This needs to be Python to avoid lots of shell variables becoming dependencies.
 python do_preconfigure () {
     import subprocess
     cmd = d.expand('cd ${S} && PATH=${PATH} gnu-configize')