697eceabb4
* This release contains bug-fixes for the LLVM 18.1.0 release.
This release is API and ABI compatible with 18.1.0.
- Rebase patches:
* llvm-do-not-install-static-libraries.patch
* llvm-normally-versioned-libllvm.patch
- Use ld.bfd for now to get THP-compatible section layout.
OBS-URL: https://build.opensuse.org/package/show/devel:tools:compiler/llvm18?expand=0&rev=5
67 lines
3.0 KiB
Diff
67 lines
3.0 KiB
Diff
Before llvm4, both major and minor version updates of llvm were regularly
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breaking API. Because of that, the libLLVM library was named in following
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format: libLLVM-${major}-${minor}.so
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(https://bugs.llvm.org/show_bug.cgi?id=25059)
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(https://reviews.llvm.org/D13841)
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The package containing this library was called libLLVM${major}_${minor} which
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follows our guidelines.
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Since llvm4, llvm decided to follow semantic versioning and only break API if
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the major version was increased. In addition they do not intend to ever have
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minor version other than 0.
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(http://blog.llvm.org/2016/12/llvms-new-versioning-scheme.html)
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The package was renamed to libLLVM${major}, which no longer follows the naming
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guidelines, but since the package contained multiple libraries, it was not
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detected.
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Since bnc#1049703 the libLLVM${major} package contains only the
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libLLVM-${major}-${minor}.so library and no others. This triggers the
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shlib-policy-name-error check in our packaging system.
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Because the reasons for using the libLLVM-${major}-${minor}.so format are no
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longer valid, lets revert back to libLLVM.so.${major}.${minor}.${version}
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format. That way the package name matches our guidelines.
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With llvm18, the minor version is now always 1 for releases, and upstream
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decided to rename the library to libLLVM.so.${major}.${minor}, but keep the
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old name as symbolic link for backwards compatibility. That is of course
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not relevant for us.
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Index: llvm-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
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===================================================================
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--- llvm-8.0.0rc3.src.orig/tools/llvm-config/llvm-config.cpp
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+++ llvm-8.0.0rc3.src/tools/llvm-config/llvm-config.cpp
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@@ -380,7 +380,6 @@ int main(int argc, char **argv) {
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} else {
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// default to the unix values:
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SharedExt = "so";
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- SharedVersionedExt = LLVM_DYLIB_VERSION ".so";
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StaticExt = "a";
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StaticDir = SharedDir = ActiveLibDir;
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StaticPrefix = SharedPrefix = "lib";
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@@ -393,7 +392,7 @@ int main(int argc, char **argv) {
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bool DyLibExists = false;
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const std::string DyLibName =
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- (SharedPrefix + "LLVM-" + SharedVersionedExt).str();
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+ (SharedPrefix + "LLVM." + SharedExt).str();
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// If LLVM_LINK_DYLIB is ON, the single shared library will be returned
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// for "--libs", etc, if they exist. This behaviour can be overridden with
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Index: llvm-18.1.2.src/tools/llvm-shlib/CMakeLists.txt
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===================================================================
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--- llvm-18.1.2.src.orig/tools/llvm-shlib/CMakeLists.txt
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+++ llvm-18.1.2.src/tools/llvm-shlib/CMakeLists.txt
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@@ -37,8 +37,6 @@ if (WIN32)
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add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
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else()
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add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB OUTPUT_NAME LLVM ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
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- # Add symlink for backwards compatibility with old library name
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- llvm_install_library_symlink(LLVM-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} $<TARGET_FILE_NAME:LLVM> SHARED FULL_DEST COMPONENT LLVM)
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endif()
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list(REMOVE_DUPLICATES LIB_NAMES)
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