Specify ABI version for shared library (#4479)

ca52bfef · Sergey Avseyev · Wouter van Oortmerssen · 2edb1dcd · ca52bfef
Commit ca52bfef authored Nov 09, 2017 by Sergey Avseyev Committed by Wouter van Oortmerssen Nov 09, 2017
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CMakeLists.txt CMakeLists.txt +10 -1

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -189,7 +189,16 @@ endif()
 if(FLATBUFFERS_BUILD_SHAREDLIB)
  add_library(flatbuffers_shared SHARED ${FlatBuffers_Library_SRCS})
-  set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers)
+  # Shared object version: "major.minor.micro"
+  # - micro updated every release when there is no API/ABI changes
+  # - minor updated when there are additions in API/ABI
+  # - major (ABI number) updated when there are changes in ABI (or removals)
+  set(FlatBuffers_Library_SONAME_MAJOR "1")
+  set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.0.0")
+  set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers
+                        SOVERSION "${FlatBuffers_Library_SONAME_MAJOR}"
+                        VERSION "${FlatBuffers_Library_SONAME_FULL}")
 endif()
 function(compile_flatbuffers_schema_to_cpp SRC_FBS)