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|
dnl ######################################################################
dnl OpenSSL support
AC_DEFUN([LIBEVENT_OPENSSL], [
AC_REQUIRE([NTP_PKG_CONFIG])dnl
case "$enable_openssl" in
yes)
have_openssl=no
case "$PKG_CONFIG" in
'')
;;
*)
OPENSSL_LIBS=`$PKG_CONFIG --libs openssl 2>/dev/null`
case "$OPENSSL_LIBS" in
'') ;;
*) OPENSSL_LIBS="$OPENSSL_LIBS $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
have_openssl=yes
;;
esac
OPENSSL_INCS=`$PKG_CONFIG --cflags openssl 2>/dev/null`
;;
esac
case "$have_openssl" in
yes) ;;
*)
save_LIBS="$LIBS"
LIBS=""
OPENSSL_LIBS=""
for lib in crypto eay32; do
# clear cache
unset ac_cv_search_SSL_new
AC_SEARCH_LIBS([SSL_new], [ssl ssl32],
[have_openssl=yes
OPENSSL_LIBS="$LIBS -l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"],
[have_openssl=no],
[-l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD])
LIBS="$save_LIBS"
test "$have_openssl" = "yes" && break
done
;;
esac
CPPFLAGS_SAVE=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $OPENSSL_INCS"
AC_CHECK_HEADERS([openssl/ssl.h], [], [have_openssl=no])
CPPFLAGS=$CPPFLAGS_SAVE
AC_SUBST(OPENSSL_INCS)
AC_SUBST(OPENSSL_LIBS)
case "$have_openssl" in
yes) AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl]) ;;
*) AC_MSG_ERROR([openssl is a must but can not be found. You should add the \
directory containing `openssl.pc' to the `PKG_CONFIG_PATH' environment variable, \
or set `CFLAGS' and `LDFLAGS' directly for openssl, or use `--disable-openssl' \
to disable support for openssl encryption])
;;
esac
;;
esac
# check if we have and should use openssl
AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"])
])
|
