--- PKGBUILD.old	2017-10-27 05:49:08.000000000 -0500
+++ PKGBUILD	2017-11-07 10:34:24.492728665 -0500
@@ -49,9 +49,6 @@
 _mozilla_api_key=16674381-f021-49de-8622-3021c5942aff
 
 prepare() {
-  mkdir path
-  ln -s /usr/bin/python2 path/python
-
   cd mozilla-unified
   patch -Np1 -i ../firefox-install-dir.patch
 
@@ -84,6 +81,12 @@
 ac_add_options --enable-pie
 ac_add_options --enable-optimize="-O2"
 
+# python2 interpreter
+#
+# https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Linux_Prerequisites#Python
+#
+mk_add_options PYTHON=/usr/bin/python2
+
 # Branding
 ac_add_options --enable-official-branding
 ac_add_options --enable-update-channel=release
@@ -120,7 +123,6 @@
   # _FORTIFY_SOURCE causes configure failures
   CPPFLAGS+=" -O2"
 
-  export PATH="$srcdir/path:$PATH"
   export MOZ_SOURCE_REPO="$_repo"
 
   # Do PGO