--- tests/c.at.orig	Mon Mar 16 15:37:04 2009
+++ tests/c.at	Mon Mar  8 12:04:46 2010
@@ -143,7 +143,7 @@ AT_CLEANUP
 AT_SETUP([AC_PROG_CPP without warnings])
 
 # Ignore if /lib/cpp doesn't work
-AT_CHECK([[echo '#include <stdio.h>' | /lib/cpp || exit 77]],
+AT_CHECK([[echo '#include <stdio.h>' | /usr/bin/cpp || exit 77]],
   [], [ignore], [ignore])
 
 # A cpp which exit status is meaningless.
@@ -183,7 +183,7 @@ AT_CLEANUP
 AT_SETUP([AC_PROG_CPP via CC])
 
 # Ignore if /lib/cpp doesn't work
-AT_CHECK([[echo '#include <stdio.h>' | /lib/cpp || exit 77]],
+AT_CHECK([[echo '#include <stdio.h>' | /usr/bin/cpp || exit 77]],
   [], [ignore], [ignore])
 
 AT_DATA([mycc],