From 2973275191176fad8d2c3a2a3d9a917dd8746168 Mon Sep 17 00:00:00 2001
From: Timotej S <6674623+underhood@users.noreply.github.com>
Date: Thu, 6 May 2021 18:06:00 +0200
Subject: build mqtt_websockets with netdata autotools (#11083)

* build mqtt_websockets with netdata autotools
* avoids handwritten makefiles in submodules
---
 configure.ac | 49 ++++++++++++++++++++++++++++++++++---------------
 1 file changed, 34 insertions(+), 15 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 031351ab74..7bf0a9c7ba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -738,24 +738,43 @@ if test "$enable_cloud" = "no" -a "$aclk_ng" = "yes"; then
 fi
 
 if test "$enable_cloud" != "no" -a "$aclk_ng" != "no"; then
+    can_enable_ng="yes"
+    AC_MSG_CHECKING([if git submodules present for ACLK Next Generation])
+    if test -f "mqtt_websockets/src/mqtt_wss_client.c"; then
+        AC_MSG_RESULT([yes])
+    else
+        AC_MSG_RESULT([no])
+        can_enable_ng="no"
+    fi
+    AC_MSG_CHECKING([if SSL available for ACLK Next Generation])
+    if test -n "${SSL_LIBS}"; then
+        AC_MSG_RESULT([yes])
+        OPTIONAL_SSL_CFLAGS="${SSL_CFLAGS}"
+        OPTIONAL_SSL_LIBS="${SSL_LIBS}"
+    else
+        AC_MSG_RESULT([no])
+    fi
     AC_MSG_CHECKING([if JSON-C available for ACLK Next Generation])
     if test "$enable_jsonc" != "yes"; then
         AC_MSG_RESULT([no])
+        can_enable_ng="no"
     else
         AC_MSG_RESULT([yes])
-        if test "$aclk_ng" != "yes" -a "$enable_aclk" == "no"; then #default "fallback"
-            AC_MSG_NOTICE([ACLK Legacy could not be built. Trying ACLK-NG as fallback.])
-            aclk_ng="yes"
-        fi
-        if test "$aclk_ng" = "yes"; then
-    #TODO Check OpenSSL and JSON-C
-            AC_MSG_CHECKING([if ACLK Next Generation can be built])
-            AC_DEFINE([ACLK_NG], [1], [ACLK Next Generation Should be used])
-            AC_DEFINE([ENABLE_ACLK], [1], [netdata ACLK])
-            enable_aclk="yes"
-            AC_MSG_RESULT([yes])
-            OPTIONAL_MQTT_WSS_CFLAGS="-Imqtt_websockets/src/include"
-        fi
+    fi
+    AC_MSG_CHECKING([ACLK Next Generation can be built])
+    AC_MSG_RESULT([${can_enable_ng}])
+    if test "$aclk_ng" = "yes" -a "$can_enable_ng" != "yes"; then
+        AC_MSG_ERROR([ACLK-NG requested but can't be built])
+    fi
+    if test "$aclk_ng" != "yes" -a "$enable_aclk" == "no" -a "$can_enable_ng" = "yes"; then #default "fallback"
+        AC_MSG_NOTICE([ACLK Legacy could not be built. Trying ACLK-NG as fallback.])
+        aclk_ng="yes"
+    fi
+    if test "$aclk_ng" = "yes"; then
+        AC_DEFINE([ACLK_NG], [1], [ACLK Next Generation Should be used])
+        AC_DEFINE([ENABLE_ACLK], [1], [netdata ACLK])
+        enable_aclk="yes"
+        OPTIONAL_ACLK_NG_CFLAGS="-Imqtt_websockets/src/include -Imqtt_websockets/c-rbuf/include -Imqtt_websockets/MQTT-C/include"
     fi
 fi
 AC_SUBST([enable_cloud])
@@ -1458,7 +1477,7 @@ CFLAGS="${CFLAGS} ${OPTIONAL_MATH_CFLAGS} ${OPTIONAL_NFACCT_CFLAGS} ${OPTIONAL_Z
     ${OPTIONAL_LIBCAP_CFLAGS} ${OPTIONAL_IPMIMONITORING_CFLAGS} ${OPTIONAL_CUPS_CFLAGS} ${OPTIONAL_XENSTAT_FLAGS} \
     ${OPTIONAL_KINESIS_CFLAGS} ${OPTIONAL_PUBSUB_CFLAGS} ${OPTIONAL_PROMETHEUS_REMOTE_WRITE_CFLAGS} \
     ${OPTIONAL_MONGOC_CFLAGS} ${LWS_CFLAGS} ${OPTIONAL_JSONC_STATIC_CFLAGS} ${OPTIONAL_BPF_CFLAGS} ${OPTIONAL_JUDY_CFLAGS} \
-    ${OPTIONAL_MQTT_WSS_CFLAGS}"
+    ${OPTIONAL_ACLK_NG_CFLAGS}"
 
 CXXFLAGS="${CFLAGS} ${CXX11FLAG}"
 
@@ -1508,7 +1527,7 @@ AC_SUBST([OPTIONAL_PROMETHEUS_REMOTE_WRITE_LIBS])
 AC_SUBST([OPTIONAL_MONGOC_CFLAGS])
 AC_SUBST([OPTIONAL_MONGOC_LIBS])
 AC_SUBST([OPTIONAL_LWS_LIBS])
-AC_SUBST([OPTIONAL_MQTT_WSS_CFLAGS])
+AC_SUBST([OPTIONAL_ACLK_NG_CFLAGS])
 
 # -----------------------------------------------------------------------------
 # Check if cmocka is available - needed for unit testing
-- 
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