--- inc/Alien/Proj4.pm.orig	2018-07-12 18:02:03.000000000 -0700
+++ inc/Alien/Proj4.pm	2018-07-12 18:04:21.000000000 -0700
@@ -8,6 +8,7 @@
 my $find_libs = [ "libproj.$Config{dlext}", "libproj$Config{lib_ext}" ];
 my @NEEDED = qw(projects.h proj_api.h);
 my @DEFAULT_LIB = (
+  '@PROJ4_PREFIX@/lib',
   '/usr/lib64',
   '/usr/local/lib64',
   '/lib64',
@@ -17,6 +18,7 @@
   split(/ /, $Config{libpth}),
 );
 my @DEFAULT_INC = (
+  '@PROJ4_PREFIX@/include',
   '/usr/include',
   '/usr/local/include',
   $Config{usrinc},