--- configure.ac.orig	2023-06-28 19:03:42 UTC
+++ configure.ac
@@ -21,7 +21,7 @@ AM_PROG_LEX
 AS_BOX([Headers, Types, and Compiler Checks])
 AC_CHECK_HEADERS([getopt.h])
 
-AC_CHECK_HEADERS([capsicum_helpers.h libcasper.h], capsicum_found=candidate)
+AC_CHECK_HEADERS([casper/cap_net.h], capsicum_found=candidate)
 AS_IF([test "$capsicum_found" == "candidate"],
       [AC_SEARCH_LIBS([cap_init], [casper], [capsicum_found=yes])]
       [AC_SEARCH_LIBS([cap_getaddrinfo], [cap_net], [capsicum_found=yes])])