[Define to 1 if Netlink protocol is available.])
fi])
-dnl Checks for OpenSSL, if --enable-ssl is passed in.
+dnl Checks for OpenSSL.
AC_DEFUN([OVS_CHECK_OPENSSL],
[AC_ARG_ENABLE(
[ssl],
- [AC_HELP_STRING([--enable-ssl],
- [Enable ssl support (requires libssl)])],
+ [AC_HELP_STRING([--disable-ssl], [Disable OpenSSL support])],
[case "${enableval}" in
(yes) ssl=true ;;
(no) ssl=false ;;
(*) AC_MSG_ERROR([bad value ${enableval} for --enable-ssl]) ;;
esac],
- [ssl=false])
+ [ssl=check])
- if test "$ssl" = true; then
+ if test "$ssl" != false; then
dnl Make sure that pkg-config is installed.
m4_pattern_forbid([PKG_CHECK_MODULES])
- PKG_CHECK_MODULES([SSL], [libssl],
+ PKG_CHECK_MODULES([SSL], [openssl],
[HAVE_OPENSSL=yes],
[HAVE_OPENSSL=no
- AC_MSG_WARN([Cannot find libssl:
+ if test "$ssl" = check; then
+ AC_MSG_WARN([Cannot find openssl:
$SSL_PKG_ERRORS
-OpenFlow connections over SSL will not be supported.])])
+OpenFlow connections over SSL will not be supported.
+(You may use --disable-ssl to suppress this warning.)])
+ else
+ AC_MSG_ERROR([Cannot find openssl (use --disable-ssl to configure without SSL support)])
+ fi])
else
HAVE_OPENSSL=no
fi
[for dot],
[ovs_cv_dot],
[dnl "dot" writes -V output to stderr:
- if (dot -V) 2>&1 | grep '^dot - [gG]raphviz version' >/dev/null 2>&1; then
+ if (dot -V) 2>&1 | grep '^dot - [[gG]]raphviz version' >/dev/null 2>&1; then
ovs_cv_dot=yes
else
ovs_cv_dot=no
into sections with user-defined names and the linker
automatically defines __start_SECNAME and __stop_SECNAME
symbols that designate the start and end of the section.])
- fi])
+ fi
+ AM_CONDITIONAL(
+ [USE_LINKER_SECTIONS], [test $ovs_cv_use_linker_sections = yes])])