+AC_ARG_WITH(ipsec, AC_HELP_STRING([--with-ipsec=PROGRAM],
+ [specify location of ipsec binary]), [path_ipsec=${withval}])
+
+AC_ARG_ENABLE(ipsec,
+ AC_HELP_STRING([--enable-ipsec], [enable ipsec support]),
+ [enable_ipsec=${enableval}], [enable_ipsec="no"])
+if (test "${enable_ipsec}" != "no"); then
+ PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.28, dummy=yes,
+ AC_MSG_ERROR(GIO >= 2.28 is required))
+ AC_SUBST(GIO_CFLAGS)
+ AC_SUBST(GIO_LIBS)
+ PKG_CHECK_MODULES(OPENSSL, openssl, dummy=yes,
+ AC_MSG_ERROR(openssl library is required))
+ AC_SUBST(OPENSSL_CFLAGS)
+ AC_SUBST(OPENSSL_LIBS)
+ if (test -z "${path_ipsec}"); then
+ AC_PATH_PROG(IPSEC, [charon], [/usr/bin/charon], $PATH:/usr/bin)
+ if (test -z "${IPSEC}"); then
+ AC_MSG_ERROR(ipsec binary not found)
+ fi
+ else
+ IPSEC="${path_ipsec}"
+ AC_SUBST(IPSEC)
+ fi
+fi
+AM_CONDITIONAL(IPSEC, test "${enable_ipsec}" != "no")
+AM_CONDITIONAL(IPSEC_BUILTIN, test "${enable_ipsec}" = "builtin")
+