Index: scripts/phpize.in
--- scripts/phpize.in.orig
+++ scripts/phpize.in
@@ -1,11 +1,11 @@
 #!/bin/sh
 
 # Variable declaration
-prefix='@prefix@'
+prefix=@PEAR_INSTALLDIR@
 datarootdir='@datarootdir@'
 exec_prefix="`eval echo @exec_prefix@`"
-phpdir="`eval echo @libdir@`/build"
-includedir="`eval echo @includedir@`/php"
+phpdir="$prefix/build"
+includedir="$prefix/include"
 builddir="`pwd`"
 SED="@SED@"