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llvm17/llvm-normally-versioned-libllvm.patch
Aaron Puchert 56861a2a4e Accepting request 1130357 from home:aaronpuchert:branches:devel:tools:compiler
- Update to version 17.0.6.
  * This release contains bug-fixes for the LLVM 17.0.0 release.
    This release is API and ABI compatible with 17.0.0.
- Rebase patches:
  * llvm-do-not-install-static-libraries.patch
  * llvm-normally-versioned-libllvm.patch
- Use major version only instead of full (patch-level) version for
  versioned executables: we don't support parallel installation of
  multiple versions of the same LLVM major version. (boo#1217450)
  Also drop the clang-X.Y symlink that was introduced for
  boo#1012260, because Y is always 0.
- Manage clang-cpp with update-alternatives like other binaries.

OBS-URL: https://build.opensuse.org/request/show/1130357
OBS-URL: https://build.opensuse.org/package/show/devel:tools:compiler/llvm17?expand=0&rev=17
2023-12-01 21:32:44 +00:00

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3.2 KiB
Diff

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Because the reasons for using the libLLVM-${major}-${minor}.so format are no
longer valid, lets revert back to libLLVM.so.${major}.${minor}.${version}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-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
===================================================================
--- llvm-8.0.0rc3.src.orig/tools/llvm-config/llvm-config.cpp
+++ llvm-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
@@ -380,7 +380,6 @@ 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";
@@ -393,7 +392,7 @@ 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-17.0.6.src/tools/llvm-shlib/CMakeLists.txt
===================================================================
--- llvm-17.0.6.src.orig/tools/llvm-shlib/CMakeLists.txt
+++ llvm-17.0.6.src/tools/llvm-shlib/CMakeLists.txt
@@ -30,7 +30,7 @@ if(LLVM_BUILD_LLVM_DYLIB)
if (LLVM_LINK_LLVM_DYLIB)
set(INSTALL_WITH_TOOLCHAIN INSTALL_WITH_TOOLCHAIN)
endif()
- add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
+ add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
list(REMOVE_DUPLICATES LIB_NAMES)
if((MINGW) OR (HAIKU)
Index: llvm-17.0.0rc1.src/test/lit.cfg.py
===================================================================
--- llvm-17.0.0rc1.src.orig/test/lit.cfg.py
+++ llvm-17.0.0rc1.src/test/lit.cfg.py
@@ -416,8 +416,8 @@
config.substitutions.append(
(
"%llvmdylib",
- "{}/libLLVM-{}{}".format(
- config.llvm_shlib_dir, config.llvm_dylib_version, config.llvm_shlib_ext
+ "{}/libLLVM{}.{}".format(
+ config.llvm_shlib_dir, config.llvm_shlib_ext, config.llvm_dylib_version
),
)
)