File llvm-normally-versioned-libllvm.patch of Package llvm7

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File llvm-normally-versioned-libllvm.patch of Package llvm7 (Revision d534ac366156ef27db82271b94b1c473)

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Before llvm4, both major and minor version updates of llvm were regularly
breaking API. Because of that, the libLLVM library was named in following
format: libLLVM-${major}-${minor}.so

(https://bugs.llvm.org/show_bug.cgi?id=25059)
  (https://reviews.llvm.org/D13841)

The package containing this library was called libLLVM${major}_${minor} which
follows our guidelines.

Since llvm4, llvm decided to follow semantic versioning and only break API if
the major version was increased. In addition they do not intend to ever have
minor version other than 0.
  (http://blog.llvm.org/2016/12/llvms-new-versioning-scheme.html)

The package was renamed to libLLVM${major}, which no longer follows the naming
guidelines, but since the package contained multiple libraries, it was not
detected.

Since bnc#1049703 the libLLVM${major} package contains only the
libLLVM-${major}-${minor}.so library and no others. This triggers the
shlib-policy-name-error check in our packaging system.

Because the reasons for using the libLLVM-${major}-${minor}.so format are no
longer valid, lets revert back to libLLVM.so.${major}.${minor}.${version}
format. That way the package name matches our guidelines.

Index: llvm-6.0.0rc1.src/tools/llvm-config/llvm-config.cpp
===================================================================
--- llvm-6.0.0rc1.src.orig/tools/llvm-config/llvm-config.cpp
+++ llvm-6.0.0rc1.src/tools/llvm-config/llvm-config.cpp
@@ -379,7 +379,6 @@ int main(int argc, char **argv) {
   } else {
     // default to the unix values:
     SharedExt = "so";
-    SharedVersionedExt = LLVM_DYLIB_VERSION ".so";
     StaticExt = "a";
     StaticDir = SharedDir = ActiveLibDir;
     StaticPrefix = SharedPrefix = "lib";
@@ -392,7 +391,7 @@ int main(int argc, char **argv) {
 
   bool DyLibExists = false;
   const std::string DyLibName =
-      (SharedPrefix + "LLVM-" + SharedVersionedExt).str();
+      (SharedPrefix + "LLVM." + SharedExt).str();
 
   // If LLVM_LINK_DYLIB is ON, the single shared library will be returned
   // for "--libs", etc, if they exist. This behaviour can be overridden with
Index: llvm-6.0.0rc1.src/tools/llvm-shlib/CMakeLists.txt
===================================================================
--- llvm-6.0.0rc1.src.orig/tools/llvm-shlib/CMakeLists.txt
+++ llvm-6.0.0rc1.src/tools/llvm-shlib/CMakeLists.txt
@@ -34,7 +34,7 @@ if(LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
   add_custom_target(libLLVMExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
 endif()
 
-add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${SOURCES})
+add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB ${SOURCES})
 
 list(REMOVE_DUPLICATES LIB_NAMES)
 if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU)

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File llvm-normally-versioned-libllvm.patch of Package llvm7 (Revision d534ac366156ef27db82271b94b1c473)

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