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Accepting request 1224728 from devel:tools:compiler

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- Apply clang-shlib-symbol-versioning.patch to add symbol versions
  to libclang-cpp.so similar to libLLVM.so. This is required when
  multiple versions of the library are loaded into the same
  process. (boo#1219405, boo#1221183, boo#1233220)

OBS-URL: https://build.opensuse.org/request/show/1224728
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/llvm15?expand=0&rev=16
This commit is contained in:
Ana Guerrero 2024-11-18 19:01:19 +00:00 committed by Git OBS Bridge
commit ea81ebb6c2
3 changed files with 37 additions and 0 deletions
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26
clang-shlib-symbol-versioning.patch Normal file
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@ -0,0 +1,26 @@
diff --git a/clang/tools/clang-shlib/CMakeLists.txt b/clang/tools/clang-shlib/CMakeLists.txt
index aa7fcd1efed4..054c7d59ec34 100644
--- a/clang/tools/clang-shlib/CMakeLists.txt
+++ b/clang/tools/clang-shlib/CMakeLists.txt
@@ -48,6 +48,14 @@ add_clang_library(clang-cpp
${_OBJECTS}
LINK_LIBS
${_DEPS})
+
+configure_file(simple_version_script.map.in simple_version_script.map)
+
+if (NOT LLVM_LINKER_IS_SOLARISLD AND NOT MINGW)
+ # Solaris ld does not accept global: *; so there is no way to version *all* global symbols
+ target_link_options(clang-cpp PRIVATE LINKER:--version-script,${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
+endif()
+
# Optimize function calls for default visibility definitions to avoid PLT and
# reduce dynamic relocations.
if (NOT APPLE AND NOT MINGW)
diff --git a/clang/tools/clang-shlib/simple_version_script.map.in b/clang/tools/clang-shlib/simple_version_script.map.in
new file mode 100644
index 000000000000..cb2306d1f596
--- /dev/null
+++ b/clang/tools/clang-shlib/simple_version_script.map.in
@@ -0,0 +1 @@
+@LLVM_SHLIB_SYMBOL_VERSION@ { global: *; };

8
llvm15.changes
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@ -1,3 +1,11 @@
-------------------------------------------------------------------
Sat Nov 16 22:38:02 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>
- Apply clang-shlib-symbol-versioning.patch to add symbol versions
to libclang-cpp.so similar to libLLVM.so. This is required when
multiple versions of the library are loaded into the same
process. (boo#1219405, boo#1221183, boo#1233220)
-------------------------------------------------------------------
Tue Aug 20 21:20:37 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>

3
llvm15.spec
View File

@ -394,6 +394,8 @@ Patch35: libcxxabi-fix-armv7-test.patch
Patch36: clang-test-xfail-gnuless-triple.patch
# Fix lowering of "icmp uge <4 x i32> zeroinitializer, ..." on armv7. (https://reviews.llvm.org/D136447?id=469567, boo#1204267, gh#llvm/llvm-project#58514)
Patch37: llvm-armv7-fix-vector-compare-with-zero-lowering.patch
# PATCH-FIX-UPSTREAM: Use symbol versioning also for libclang-cpp.so.
Patch38: clang-shlib-symbol-versioning.patch
BuildRequires: binutils-devel >= 2.21.90
BuildRequires: cmake >= 3.13.4
BuildRequires: fdupes
@ -840,6 +842,7 @@ pushd clang-%{_version}.src
%patch -P 9 -p2
%patch -P 18 -p2
%patch -P 36 -p2
%patch -P 38 -p2
# We hardcode openSUSE
rm unittests/Driver/DistroTest.cpp