Fix protobuf linker errors on mingw2 build

Refs protocolbuffers/protobuf#12292
nyalldawson · Jul 12, 2023 · d63cde6 · d63cde6
1 parent 07d2c24
commit d63cde6
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -363,7 +363,12 @@ if(WITH_CORE)
     message (SEND_ERROR "sqlite3 dependency was not found!")
   endif()
 
-  find_package(Protobuf REQUIRED)   # for decoding of vector tiles in MVT format
+  # workaround errors with older cmake -- see https://github.com/protocolbuffers/protobuf/issues/12292
+  find_package(Protobuf CONFIG)   # for decoding of vector tiles in MVT format
+  if (NOT Protobuf_FOUND)
+    FIND_PACKAGE(Protobuf REQUIRED)
+  endif()
+
   message(STATUS "Found Protobuf: ${Protobuf_LIBRARIES}")
   if (NOT Protobuf_PROTOC_EXECUTABLE)
     message (SEND_ERROR "Protobuf library's 'protoc' tool was not found!")