From 8435bf93757b5fe1b11ac8a3149d18649a6f4086 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 25 Feb 2011 19:24:02 +0000
Subject: [PATCH] CMake: add version information into the clang executable and
 libclang shared library.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126502 91177308-0d34-0410-b5e6-96231b3b80d8
---
 CMakeLists.txt                | 10 ++++++++++
 tools/driver/CMakeLists.txt   |  3 +++
 tools/libclang/CMakeLists.txt | 14 ++++++--------
 3 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5306fcb9a..b1ab11de72 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -234,6 +234,16 @@ install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
 
 add_definitions( -D_GNU_SOURCE -DHAVE_CLANG_CONFIG_H )
 
+# Clang version information
+set(CLANG_EXECUTABLE_VERSION
+     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
+    "Version number that will be placed into the clang executable, in the form XX.YY")
+set(LIBCLANG_LIBRARY_VERSION
+     "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
+    "Version number that will be placed into the libclang library , in the form XX.YY")
+mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
+
+
 option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
 if(CLANG_BUILD_EXAMPLES)
   add_subdirectory(examples)
diff --git a/tools/driver/CMakeLists.txt b/tools/driver/CMakeLists.txt
index 5694d3f5b4..552e7a5344 100644
--- a/tools/driver/CMakeLists.txt
+++ b/tools/driver/CMakeLists.txt
@@ -33,6 +33,8 @@ add_clang_executable(clang
   cc1as_main.cpp
   )
 
+set_target_properties(clang PROPERTIES VERSION ${CLANG_EXECUTABLE_VERSION})
+
 if(UNIX)
   set(CLANGXX_LINK_OR_COPY create_symlink)
 else()
@@ -47,6 +49,7 @@ add_custom_target(clang++ ALL
     "${clang_pp}"
   DEPENDS clang)
 set_target_properties(clang++ PROPERTIES FOLDER "Clang executables")
+
 set_property(DIRECTORY APPEND
   PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${clang_pp})
 
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index da72f5a02d..11759eefb6 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -30,15 +30,10 @@ add_clang_library(libclang
 )
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-  # dylib versioning information
-  # FIXME: Is there a more CMake-ish way to handle this?
-  set(LIBCLANG_VERSION 1 
-      CACHE STRING "Version number of the libclang library")
-  set(LIBCLANG_SUBVERSION 0
-      CACHE STRING "Minor version number of the libclang library")
-  set(LIBCLANG_LINK_FLAGS 
-      "-Wl,-current_version -Wl,${LIBCLANG_VERSION}.${LIBCLANG_SUBVERSION} -Wl,-compatibility_version -Wl,1")
+  # Darwin-specific linker flags
 
+  set(LIBCLANG_LINK_FLAGS "-Wl,-compatibility_version -Wl,1")
+                        
   set(LIBCLANG_LINK_FLAGS 
       "${LIBCLANG_LINK_FLAGS} -Wl,-dead_strip -Wl,-seg1addr -Wl,0xE0000000")
 
@@ -48,6 +43,9 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     INSTALL_NAME_DIR "@executable_path/../lib")
 endif()
 
+# Versioning information
+set_target_properties(libclang PROPERTIES VERSION ${LIBCLANG_LIBRARY_VERSION})
+
 if(MSVC)
   # windows.h doesn't compile with /Za
   get_target_property(NON_ANSI_COMPILE_FLAGS libclang COMPILE_FLAGS)
-- 
2.40.0