[GitHub] [nifi-minifi-cpp] bakaid commented on a change in pull request #687: MINIFICPP-1092 - Make CoAP compile and work on Windows

[GitBox <gi...@apache.org>]

bakaid commented on a change in pull request #687: MINIFICPP-1092 - Make CoAP compile and work on Windows
URL: https://github.com/apache/nifi-minifi-cpp/pull/687#discussion_r352156135
 
 

 ##########
 File path: cmake/BundledLibCoAP.cmake
 ##########
 @@ -0,0 +1,84 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+function(use_bundled_libcoap SOURCE_DIR BINARY_DIR)
+    message("Using bundled libcoap")
+
+    # Find patch executable
+    find_package(Patch REQUIRED)
+
+    # Define patch step
+    if (WIN32)
+        set(PC "${Patch_EXECUTABLE}" -p1 -i "${SOURCE_DIR}/thirdparty/libcoap/libcoap-windows-cmake.patch")
+    endif()
+
+    # Define byproducts
+    if (WIN32)
+        set(BYPRODUCT "lib/coap.lib")
+    else()
+        set(BYPRODUCT "lib/libcoap-2.a")
+    endif()
+
+    # Build project
+    if (WIN32)
+        set(LIBCOAP_CMAKE_ARGS ${PASSTHROUGH_CMAKE_ARGS}
+                "-DCMAKE_INSTALL_PREFIX=${BINARY_DIR}/thirdparty/libcoap-install")
+
+        ExternalProject_Add(
+                coap-external
+                URL "https://github.com/obgm/libcoap/archive/v4.2.1.tar.gz"
+                URL_HASH "SHA256=29a0394a265d3febee41e5e2dc03d34292a0aede37f5f80334e529ac0dab2321"
+                CMAKE_ARGS ${LIBCOAP_CMAKE_ARGS}
+                PATCH_COMMAND ${PC}
+                BUILD_BYPRODUCTS "${BINARY_DIR}/thirdparty/libcoap-install/${BYPRODUCT}"
+                EXCLUDE_FROM_ALL TRUE
+        )
+    else()
+        ExternalProject_Add(
+                coap-external
+                URL "https://github.com/obgm/libcoap/archive/v4.2.1.tar.gz"
+                URL_HASH "SHA256=29a0394a265d3febee41e5e2dc03d34292a0aede37f5f80334e529ac0dab2321"
 
 Review comment:
   Fair point, will fix.

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