nodejs: old versions need Python 2

component/nodejs/buildout.cfg

@@ -25,16 +25,19 @@ md5sum = 7dc3666f407bf4e12a01ce1be2883d31
 openssl_location = ${openssl:location}
 version = v12.18.3
 md5sum = 28bf6a4d98b238403fa58a0805f4a979
+PATH = ${pkgconfig:location}/bin:${python2.7:location}/bin:%(PATH)s
 
 [nodejs-8.6.0]
 <= nodejs-base
 version = v8.6.0
 md5sum = 0c95e08220667d8a18b97ecec8218ac6
+PATH = ${pkgconfig:location}/bin:${python2.7:location}/bin:%(PATH)s
 
 [nodejs-8.12.0]
 <= nodejs-base
 version = v8.12.0
 md5sum = 5690333b77964edf81945fc724f6ea85
+PATH = ${pkgconfig:location}/bin:${python2.7:location}/bin:%(PATH)s
 
 [nodejs-base]
 # Server-side Javascript.
@@ -49,9 +52,10 @@ configure-options =
   --shared-openssl
   --shared-openssl-includes=${:openssl_location}/include
   --shared-openssl-libpath=${:openssl_location}/lib
+PATH = ${pkgconfig:location}/bin:%(PATH)s
 environment =
   HOME=@@LOCATION@@
-  PATH=${pkgconfig:location}/bin:%(PATH)s
+  PATH=${:PATH}
   PKG_CONFIG_PATH=${:openssl_location}/lib/pkgconfig/
   CPPFLAGS=-I${zlib:location}/include
   LDFLAGS=-Wl,-rpath=${:openssl_location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib