[llvm] r292255 - [cmake] Update SOVERSION for the new versioning scheme

[Michal Gorny via llvm-commits]

Author: mgorny
Date: Tue Jan 17 15:04:19 2017
New Revision: 292255

URL: http://llvm.org/viewvc/llvm-project?rev=292255&view=rev
Log:
[cmake] Update SOVERSION for the new versioning scheme

Update SOVERSION to use just the major version number rather than
major+minor, to match the new versioning scheme where only major is used
to indicate API/ABI version.

Since two-digit SOVERSIONs were introduced post 3.9 branching, this
change does not risk any SOVERSION collisions. In the past,
two-component X.Y SOVERSIONs were shortly used but those will not
interfere with the new ones since the new versions start at 4.

Differential Revision: https://reviews.llvm.org/D28730

Modified:
    llvm/trunk/cmake/modules/AddLLVM.cmake

Modified: llvm/trunk/cmake/modules/AddLLVM.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/AddLLVM.cmake?rev=292255&r1=292254&r2=292255&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/AddLLVM.cmake (original)
+++ llvm/trunk/cmake/modules/AddLLVM.cmake Tue Jan 17 15:04:19 2017
@@ -462,11 +462,9 @@ function(llvm_add_library name)
     if(UNIX AND NOT APPLE AND NOT ARG_SONAME)
       set_target_properties(${name}
         PROPERTIES
-		# Concatenate the version numbers since ldconfig expects exactly
-		# one component indicating the ABI version, while LLVM uses
-		# major+minor for that.
-        SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}
-        VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
+        # Since 4.0.0, the ABI version is indicated by the major version
+        SOVERSION ${LLVM_VERSION_MAJOR}
+        VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
     endif()
   endif()