git: adfdd1a786c2 - main - devel/llvm10: actually fix build with llvm17

From: Brooks Davis <brooks_at_FreeBSD.org>
Date: Thu, 21 Sep 2023 15:29:16 UTC
The branch main has been updated by brooks:

URL: https://cgit.FreeBSD.org/ports/commit/?id=adfdd1a786c22f4e08a4d2338dec8de25bf808ed

commit adfdd1a786c22f4e08a4d2338dec8de25bf808ed
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2023-09-21 10:01:29 +0000
Commit:     Brooks Davis <brooks@FreeBSD.org>
CommitDate: 2023-09-21 15:23:30 +0000

    devel/llvm10: actually fix build with llvm17
    
    I failed to apply the actual patch and committed the ports patch
    instead.  It applies because it just creates files.
    
    PR:             273959
    Fixes:          50e51d2680b4 devel/llvm10: fix build with llvm17
---
 .../files/openmp/patch-backport-version-fixes      | 556 ++++++++-------------
 devel/llvm10/files/patch-backport-version-fixes    | 138 +++++
 .../files/openmp/patch-backport-version-fixes      | 210 ++++++++
 devel/llvm11/files/patch-backport-version-fixes    | 139 ++++++
 4 files changed, 687 insertions(+), 356 deletions(-)

diff --git a/devel/llvm10/files/openmp/patch-backport-version-fixes b/devel/llvm10/files/openmp/patch-backport-version-fixes
index d3a86567fe8b..ab3129432bbc 100644
--- a/devel/llvm10/files/openmp/patch-backport-version-fixes
+++ b/devel/llvm10/files/openmp/patch-backport-version-fixes
@@ -1,358 +1,202 @@
-commit bba9c39a53588d4cdf0d033e02fc0b630678affa
-Author: Dimitry Andric <dim@FreeBSD.org>
-Date:   2023-09-20T09:14:29+02:00
-
-    devel/llvm10: fix build with lld 17
-
-diff --git a/devel/llvm10/files/openmp/patch-backport-version-fixes b/devel/llvm10/files/openmp/patch-backport-version-fixes
+diff --git projects/openmp/libomptarget/plugins/exports projects/openmp/libomptarget/plugins/exports
+index a14bedf0791a..cc7beda183af 100644
+--- projects/openmp/libomptarget/plugins/exports
++++ projects/openmp/libomptarget/plugins/exports
+@@ -1,16 +1,6 @@
+ VERS1.0 {
+   global:
+-    __tgt_rtl_is_valid_binary;
+-    __tgt_rtl_number_of_devices;
+-    __tgt_rtl_init_requires;
+-    __tgt_rtl_init_device;
+-    __tgt_rtl_load_binary;
+-    __tgt_rtl_data_alloc;
+-    __tgt_rtl_data_submit;
+-    __tgt_rtl_data_retrieve;
+-    __tgt_rtl_data_delete;
+-    __tgt_rtl_run_target_team_region;
+-    __tgt_rtl_run_target_region;
++    __tgt_rtl*;
+   local:
+     *;
+ };
+diff --git projects/openmp/runtime/cmake/LibompHandleFlags.cmake projects/openmp/runtime/cmake/LibompHandleFlags.cmake
+index 0b8e3a35c888..cacc192eb378 100644
+--- projects/openmp/runtime/cmake/LibompHandleFlags.cmake
++++ projects/openmp/runtime/cmake/LibompHandleFlags.cmake
+@@ -94,7 +94,6 @@ function(libomp_get_ldflags ldflags)
+     IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG)
+   libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}"
+     IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG)
+-  libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
+   libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
+   libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+   libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
+diff --git projects/openmp/runtime/cmake/config-ix.cmake projects/openmp/runtime/cmake/config-ix.cmake
+index 3419dd8cd788..fb7a644155e2 100644
+--- projects/openmp/runtime/cmake/config-ix.cmake
++++ projects/openmp/runtime/cmake/config-ix.cmake
+@@ -100,9 +100,8 @@ if(WIN32)
+   libomp_check_linker_flag(/SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
+ elseif(NOT APPLE)
+   libomp_check_linker_flag(-Wl,-x LIBOMP_HAVE_X_FLAG)
+-  libomp_check_linker_flag(-Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
+   libomp_check_linker_flag(-Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
+-  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
++  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+   libomp_check_linker_flag(-static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
+   libomp_check_linker_flag(-Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
+ endif()
+diff --git projects/openmp/runtime/src/exports_so.txt projects/openmp/runtime/src/exports_so.txt
+index f7de5fd6474f..07a5424595bb 100644
+--- projects/openmp/runtime/src/exports_so.txt
++++ projects/openmp/runtime/src/exports_so.txt
+@@ -74,10 +74,8 @@ VERSION {
+         __kmp_fork_call;
+         __kmp_invoke_microtask;
+ #if KMP_USE_MONITOR
+-        __kmp_launch_monitor;
+         __kmp_reap_monitor;
+ #endif
+-        __kmp_launch_worker;
+         __kmp_reap_worker;
+         __kmp_release_64;
+         __kmp_wait_64;
+diff --git projects/openmp/runtime/src/exports_test_so.txt projects/openmp/runtime/src/exports_test_so.txt
 new file mode 100644
-index 000000000000..ab3129432bbc
+index 000000000000..912d160e7c06
 --- /dev/null
-+++ b/devel/llvm10/files/openmp/patch-backport-version-fixes
-@@ -0,0 +1,202 @@
-+diff --git projects/openmp/libomptarget/plugins/exports projects/openmp/libomptarget/plugins/exports
-+index a14bedf0791a..cc7beda183af 100644
-+--- projects/openmp/libomptarget/plugins/exports
-++++ projects/openmp/libomptarget/plugins/exports
-+@@ -1,16 +1,6 @@
-+ VERS1.0 {
-+   global:
-+-    __tgt_rtl_is_valid_binary;
-+-    __tgt_rtl_number_of_devices;
-+-    __tgt_rtl_init_requires;
-+-    __tgt_rtl_init_device;
-+-    __tgt_rtl_load_binary;
-+-    __tgt_rtl_data_alloc;
-+-    __tgt_rtl_data_submit;
-+-    __tgt_rtl_data_retrieve;
-+-    __tgt_rtl_data_delete;
-+-    __tgt_rtl_run_target_team_region;
-+-    __tgt_rtl_run_target_region;
-++    __tgt_rtl*;
-+   local:
-+     *;
-+ };
-+diff --git projects/openmp/runtime/cmake/LibompHandleFlags.cmake projects/openmp/runtime/cmake/LibompHandleFlags.cmake
-+index 0b8e3a35c888..cacc192eb378 100644
-+--- projects/openmp/runtime/cmake/LibompHandleFlags.cmake
-++++ projects/openmp/runtime/cmake/LibompHandleFlags.cmake
-+@@ -94,7 +94,6 @@ function(libomp_get_ldflags ldflags)
-+     IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG)
-+   libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}"
-+     IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG)
-+-  libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
-+   libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
-+   libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
-+   libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
-+diff --git projects/openmp/runtime/cmake/config-ix.cmake projects/openmp/runtime/cmake/config-ix.cmake
-+index 3419dd8cd788..fb7a644155e2 100644
-+--- projects/openmp/runtime/cmake/config-ix.cmake
-++++ projects/openmp/runtime/cmake/config-ix.cmake
-+@@ -100,9 +100,8 @@ if(WIN32)
-+   libomp_check_linker_flag(/SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
-+ elseif(NOT APPLE)
-+   libomp_check_linker_flag(-Wl,-x LIBOMP_HAVE_X_FLAG)
-+-  libomp_check_linker_flag(-Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
-+   libomp_check_linker_flag(-Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
-+-  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
-++  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
-+   libomp_check_linker_flag(-static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
-+   libomp_check_linker_flag(-Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
-+ endif()
-+diff --git projects/openmp/runtime/src/exports_so.txt projects/openmp/runtime/src/exports_so.txt
-+index f7de5fd6474f..07a5424595bb 100644
-+--- projects/openmp/runtime/src/exports_so.txt
-++++ projects/openmp/runtime/src/exports_so.txt
-+@@ -74,10 +74,8 @@ VERSION {
-+         __kmp_fork_call;
-+         __kmp_invoke_microtask;
-+ #if KMP_USE_MONITOR
-+-        __kmp_launch_monitor;
-+         __kmp_reap_monitor;
-+ #endif
-+-        __kmp_launch_worker;
-+         __kmp_reap_worker;
-+         __kmp_release_64;
-+         __kmp_wait_64;
-+diff --git projects/openmp/runtime/src/exports_test_so.txt projects/openmp/runtime/src/exports_test_so.txt
-+new file mode 100644
-+index 000000000000..912d160e7c06
-+--- /dev/null
-++++ projects/openmp/runtime/src/exports_test_so.txt
-+@@ -0,0 +1,60 @@
-++# exports_test_so.txt #
-++
-++#
-++#//===----------------------------------------------------------------------===//
-++#//
-++#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-++#// See https://llvm.org/LICENSE.txt for license information.
-++#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-++#//
-++#//===----------------------------------------------------------------------===//
-++#
-++
-++# This is used only to test if the linker supports version scripts. If the full
-++# version script it used we may error on undefined symbols and erroneously fail.
-++
-++VERSION {
-++
-++    global: # Exported symbols.
-++
-++        *;         # All symbols as exported for testing.
-++
-++    local: # Non-exported symbols.
-++
-++        *;         # All other symbols are not exported.
-++
-++}; # VERSION
-++
-++# sets up GCC OMP_ version dependency chain
-++OMP_1.0 {
-++};
-++OMP_2.0 {
-++} OMP_1.0;
-++OMP_3.0 {
-++} OMP_2.0;
-++OMP_3.1 {
-++} OMP_3.0;
-++OMP_4.0 {
-++} OMP_3.1;
-++OMP_4.5 {
-++} OMP_4.0;
-++OMP_5.0 {
-++} OMP_4.5;
-++
-++# sets up GCC GOMP_ version dependency chain
-++GOMP_1.0 {
-++};
-++GOMP_2.0 {
-++} GOMP_1.0;
-++GOMP_3.0 {
-++} GOMP_2.0;
-++GOMP_4.0 {
-++} GOMP_3.0;
-++GOMP_4.5 {
-++} GOMP_4.0;
-++GOMP_5.0 {
-++} GOMP_4.5;
-++GOMP_5.0.1 {
-++} GOMP_5.0;
-++
-++# end of file #
-+diff --git projects/openmp/runtime/src/kmp_runtime.cpp projects/openmp/runtime/src/kmp_runtime.cpp
-+index acd157db8e52..acc431ea0d7e 100644
-+--- projects/openmp/runtime/src/kmp_runtime.cpp
-++++ projects/openmp/runtime/src/kmp_runtime.cpp
-+@@ -8297,3 +8297,20 @@ int __kmp_pause_resource(kmp_pause_status_t level) {
-+     return 1;
-+   }
-+ }
-++
-++// Empty symbols to export (see exports_so.txt) when feature is disabled
-++extern "C" {
-++#if !KMP_STATS_ENABLED
-++void __kmp_reset_stats() {}
-++#endif
-++#if !USE_DEBUGGER
-++int __kmp_omp_debug_struct_info = FALSE;
-++int __kmp_debugging = FALSE;
-++#endif
-++#if !USE_ITT_BUILD || !USE_ITT_NOTIFY
-++void __kmp_itt_fini_ittlib() {}
-++void __kmp_itt_init_ittlib() {}
-++#endif
-++}
-++
-++// end of file
-+diff --git projects/openmp/runtime/src/kmp_utility.cpp projects/openmp/runtime/src/kmp_utility.cpp
-+index 44a99d0455b3..e04c9cbf4537 100644
-+--- projects/openmp/runtime/src/kmp_utility.cpp
-++++ projects/openmp/runtime/src/kmp_utility.cpp
-+@@ -407,3 +407,16 @@ void __kmp_expand_file_name(char *result, size_t rlen, char *pattern) {
-+ 
-+   *pos = '\0';
-+ }
-++
-++#if !OMPT_SUPPORT
-++extern "C" {
-++typedef struct ompt_start_tool_result_t ompt_start_tool_result_t;
-++// Define symbols expected by VERSION script
-++ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
-++                                          const char *runtime_version) {
-++  return nullptr;
-++}
-++
-++void ompt_libomp_connect(ompt_start_tool_result_t *result) { result = nullptr; }
-++}
-++#endif
-+diff --git projects/openmp/runtime/src/z_Linux_util.cpp projects/openmp/runtime/src/z_Linux_util.cpp
-+index 1daa3d31047e..174ef2145205 100644
-+--- projects/openmp/runtime/src/z_Linux_util.cpp
-++++ projects/openmp/runtime/src/z_Linux_util.cpp
-+@@ -1049,7 +1049,7 @@ void __kmp_exit_thread(int exit_status) {
-+ #if KMP_USE_MONITOR
-+ void __kmp_resume_monitor();
-+ 
-+-void __kmp_reap_monitor(kmp_info_t *th) {
-++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
-+   int status;
-+   void *exit_val;
-+ 
-+@@ -1091,6 +1091,12 @@ void __kmp_reap_monitor(kmp_info_t *th) {
-+ 
-+   KMP_MB(); /* Flush all pending memory write invalidates.  */
-+ }
-++#else
-++// Empty symbol to export (see exports_so.txt) when
-++// monitor thread feature is disabled
-++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
-++  (void)th;
-++}
-+ #endif // KMP_USE_MONITOR
-+ 
-+ void __kmp_reap_worker(kmp_info_t *th) {
-diff --git a/devel/llvm10/files/patch-backport-version-fixes b/devel/llvm10/files/patch-backport-version-fixes
-new file mode 100644
-index 000000000000..0faee193caec
---- /dev/null
-+++ b/devel/llvm10/files/patch-backport-version-fixes
-@@ -0,0 +1,138 @@
-+diff --git tools/lto/CMakeLists.txt tools/lto/CMakeLists.txt
-+index b86e4abd01a7..d814df767b65 100644
-+--- tools/lto/CMakeLists.txt
-++++ tools/lto/CMakeLists.txt
-+@@ -18,7 +18,11 @@ set(SOURCES
-+   lto.cpp
-+   )
-+ 
-+-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
-++if (LLVM_LINK_LLVM_DYLIB)
-++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.dylib.exports)
-++else()
-++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
-++endif()
-+ 
-+ add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS intrinsics_gen)
-+ 
-+diff --git tools/lto/lto.dylib.exports tools/lto/lto.dylib.exports
-+new file mode 100644
-+index 000000000000..4a1fff8f93ca
-+--- /dev/null
-++++ tools/lto/lto.dylib.exports
-+@@ -0,0 +1,74 @@
-++lto_get_error_message
-++lto_get_version
-++lto_initialize_disassembler
-++lto_module_create
-++lto_module_create_from_fd
-++lto_module_create_from_fd_at_offset
-++lto_module_create_from_memory
-++lto_module_create_from_memory_with_path
-++lto_module_create_in_local_context
-++lto_module_create_in_codegen_context
-++lto_module_get_linkeropts
-++lto_module_get_num_symbols
-++lto_module_get_symbol_attribute
-++lto_module_get_symbol_name
-++lto_module_get_target_triple
-++lto_module_set_target_triple
-++lto_module_is_object_file
-++lto_module_is_object_file_for_target
-++lto_module_is_object_file_in_memory
-++lto_module_is_object_file_in_memory_for_target
-++lto_module_has_objc_category
-++lto_module_dispose
-++lto_api_version
-++lto_codegen_set_diagnostic_handler
-++lto_codegen_add_module
-++lto_codegen_set_module
-++lto_codegen_add_must_preserve_symbol
-++lto_codegen_compile
-++lto_codegen_create
-++lto_codegen_create_in_local_context
-++lto_codegen_dispose
-++lto_codegen_set_debug_model
-++lto_codegen_set_pic_model
-++lto_codegen_write_merged_modules
-++lto_codegen_debug_options
-++lto_codegen_debug_options_array
-++lto_codegen_set_assembler_args
-++lto_codegen_set_assembler_path
-++lto_codegen_set_cpu
-++lto_codegen_compile_to_file
-++lto_codegen_optimize
-++lto_codegen_compile_optimized
-++lto_codegen_set_should_internalize
-++lto_codegen_set_should_embed_uselists
-++thinlto_create_codegen
-++thinlto_codegen_dispose
-++thinlto_codegen_add_module
-++thinlto_codegen_process
-++thinlto_module_get_num_objects
-++thinlto_module_get_object
-++thinlto_codegen_set_pic_model
-++thinlto_codegen_set_cache_dir
-++thinlto_codegen_set_cache_pruning_interval
-++thinlto_codegen_set_cache_entry_expiration
-++thinlto_codegen_set_final_cache_size_relative_to_available_space
-++thinlto_codegen_set_cache_size_bytes
-++thinlto_codegen_set_cache_size_megabytes
-++thinlto_codegen_set_cache_size_files
-++thinlto_codegen_set_savetemps_dir
-++thinlto_codegen_set_cpu
-++thinlto_debug_options
-++lto_module_is_thinlto
-++thinlto_codegen_add_must_preserve_symbol
-++thinlto_codegen_add_cross_referenced_symbol
-++thinlto_codegen_set_codegen_only
-++thinlto_codegen_disable_codegen
-++thinlto_module_get_num_object_files
-++thinlto_module_get_object_file
-++thinlto_set_generated_objects_dir
-++lto_input_create
-++lto_input_dispose
-++lto_input_get_num_dependent_libraries
-++lto_input_get_dependent_library
-++lto_runtime_lib_symbols_list
-+diff --git tools/lto/lto.exports tools/lto/lto.exports
-+index fd2212cb5f33..4a1fff8f93ca 100644
-+--- tools/lto/lto.exports
-++++ tools/lto/lto.exports
-+@@ -42,12 +42,6 @@ lto_codegen_optimize
-+ lto_codegen_compile_optimized
-+ lto_codegen_set_should_internalize
-+ lto_codegen_set_should_embed_uselists
-+-LLVMCreateDisasm
-+-LLVMCreateDisasmCPU
-+-LLVMDisasmDispose
-+-LLVMDisasmInstruction
-+-LLVMSetDisasmOptions
-+-LLVMCreateDisasmCPUFeatures
-+ thinlto_create_codegen
-+ thinlto_codegen_dispose
-+ thinlto_codegen_add_module
-+diff --git tools/remarks-shlib/CMakeLists.txt tools/remarks-shlib/CMakeLists.txt
-+index e948496c603a..4c66ad487070 100644
-+--- tools/remarks-shlib/CMakeLists.txt
-++++ tools/remarks-shlib/CMakeLists.txt
-+@@ -6,7 +6,11 @@ set(SOURCES
-+   libremarks.cpp
-+   )
-+ 
-+-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
-++if (LLVM_LINK_LLVM_DYLIB)
-++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.dylib.exports)
-++else()
-++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
-++endif()
-+ 
-+ add_llvm_library(Remarks SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES})
-+ 
-+diff --git tools/remarks-shlib/Remarks.dylib.exports tools/remarks-shlib/Remarks.dylib.exports
-+new file mode 100644
-+index 000000000000..0c2a3c38c78c
-+--- /dev/null
-++++ tools/remarks-shlib/Remarks.dylib.exports
-+@@ -0,0 +1 @@
-++LLVMRemarkVersion
++++ projects/openmp/runtime/src/exports_test_so.txt
+@@ -0,0 +1,60 @@
++# exports_test_so.txt #
++
++#
++#//===----------------------------------------------------------------------===//
++#//
++#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
++#// See https://llvm.org/LICENSE.txt for license information.
++#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
++#//
++#//===----------------------------------------------------------------------===//
++#
++
++# This is used only to test if the linker supports version scripts. If the full
++# version script it used we may error on undefined symbols and erroneously fail.
++
++VERSION {
++
++    global: # Exported symbols.
++
++        *;         # All symbols as exported for testing.
++
++    local: # Non-exported symbols.
++
++        *;         # All other symbols are not exported.
++
++}; # VERSION
++
++# sets up GCC OMP_ version dependency chain
++OMP_1.0 {
++};
++OMP_2.0 {
++} OMP_1.0;
++OMP_3.0 {
++} OMP_2.0;
++OMP_3.1 {
++} OMP_3.0;
++OMP_4.0 {
++} OMP_3.1;
++OMP_4.5 {
++} OMP_4.0;
++OMP_5.0 {
++} OMP_4.5;
++
++# sets up GCC GOMP_ version dependency chain
++GOMP_1.0 {
++};
++GOMP_2.0 {
++} GOMP_1.0;
++GOMP_3.0 {
++} GOMP_2.0;
++GOMP_4.0 {
++} GOMP_3.0;
++GOMP_4.5 {
++} GOMP_4.0;
++GOMP_5.0 {
++} GOMP_4.5;
++GOMP_5.0.1 {
++} GOMP_5.0;
++
++# end of file #
+diff --git projects/openmp/runtime/src/kmp_runtime.cpp projects/openmp/runtime/src/kmp_runtime.cpp
+index acd157db8e52..acc431ea0d7e 100644
+--- projects/openmp/runtime/src/kmp_runtime.cpp
++++ projects/openmp/runtime/src/kmp_runtime.cpp
+@@ -8297,3 +8297,20 @@ int __kmp_pause_resource(kmp_pause_status_t level) {
+     return 1;
+   }
+ }
++
++// Empty symbols to export (see exports_so.txt) when feature is disabled
++extern "C" {
++#if !KMP_STATS_ENABLED
++void __kmp_reset_stats() {}
++#endif
++#if !USE_DEBUGGER
++int __kmp_omp_debug_struct_info = FALSE;
++int __kmp_debugging = FALSE;
++#endif
++#if !USE_ITT_BUILD || !USE_ITT_NOTIFY
++void __kmp_itt_fini_ittlib() {}
++void __kmp_itt_init_ittlib() {}
++#endif
++}
++
++// end of file
+diff --git projects/openmp/runtime/src/kmp_utility.cpp projects/openmp/runtime/src/kmp_utility.cpp
+index 44a99d0455b3..e04c9cbf4537 100644
+--- projects/openmp/runtime/src/kmp_utility.cpp
++++ projects/openmp/runtime/src/kmp_utility.cpp
+@@ -407,3 +407,16 @@ void __kmp_expand_file_name(char *result, size_t rlen, char *pattern) {
+ 
+   *pos = '\0';
+ }
++
++#if !OMPT_SUPPORT
++extern "C" {
++typedef struct ompt_start_tool_result_t ompt_start_tool_result_t;
++// Define symbols expected by VERSION script
++ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
++                                          const char *runtime_version) {
++  return nullptr;
++}
++
++void ompt_libomp_connect(ompt_start_tool_result_t *result) { result = nullptr; }
++}
++#endif
+diff --git projects/openmp/runtime/src/z_Linux_util.cpp projects/openmp/runtime/src/z_Linux_util.cpp
+index 1daa3d31047e..174ef2145205 100644
+--- projects/openmp/runtime/src/z_Linux_util.cpp
++++ projects/openmp/runtime/src/z_Linux_util.cpp
+@@ -1049,7 +1049,7 @@ void __kmp_exit_thread(int exit_status) {
+ #if KMP_USE_MONITOR
+ void __kmp_resume_monitor();
+ 
+-void __kmp_reap_monitor(kmp_info_t *th) {
++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
+   int status;
+   void *exit_val;
+ 
+@@ -1091,6 +1091,12 @@ void __kmp_reap_monitor(kmp_info_t *th) {
+ 
+   KMP_MB(); /* Flush all pending memory write invalidates.  */
+ }
++#else
++// Empty symbol to export (see exports_so.txt) when
++// monitor thread feature is disabled
++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
++  (void)th;
++}
+ #endif // KMP_USE_MONITOR
+ 
+ void __kmp_reap_worker(kmp_info_t *th) {
diff --git a/devel/llvm10/files/patch-backport-version-fixes b/devel/llvm10/files/patch-backport-version-fixes
new file mode 100644
index 000000000000..0faee193caec
--- /dev/null
+++ b/devel/llvm10/files/patch-backport-version-fixes
@@ -0,0 +1,138 @@
+diff --git tools/lto/CMakeLists.txt tools/lto/CMakeLists.txt
+index b86e4abd01a7..d814df767b65 100644
+--- tools/lto/CMakeLists.txt
++++ tools/lto/CMakeLists.txt
+@@ -18,7 +18,11 @@ set(SOURCES
+   lto.cpp
+   )
+ 
+-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
++if (LLVM_LINK_LLVM_DYLIB)
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.dylib.exports)
++else()
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
++endif()
+ 
+ add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS intrinsics_gen)
+ 
+diff --git tools/lto/lto.dylib.exports tools/lto/lto.dylib.exports
+new file mode 100644
+index 000000000000..4a1fff8f93ca
+--- /dev/null
++++ tools/lto/lto.dylib.exports
+@@ -0,0 +1,74 @@
++lto_get_error_message
++lto_get_version
++lto_initialize_disassembler
++lto_module_create
++lto_module_create_from_fd
++lto_module_create_from_fd_at_offset
++lto_module_create_from_memory
++lto_module_create_from_memory_with_path
++lto_module_create_in_local_context
++lto_module_create_in_codegen_context
++lto_module_get_linkeropts
++lto_module_get_num_symbols
++lto_module_get_symbol_attribute
++lto_module_get_symbol_name
++lto_module_get_target_triple
++lto_module_set_target_triple
++lto_module_is_object_file
++lto_module_is_object_file_for_target
++lto_module_is_object_file_in_memory
++lto_module_is_object_file_in_memory_for_target
++lto_module_has_objc_category
++lto_module_dispose
++lto_api_version
++lto_codegen_set_diagnostic_handler
++lto_codegen_add_module
++lto_codegen_set_module
++lto_codegen_add_must_preserve_symbol
++lto_codegen_compile
++lto_codegen_create
++lto_codegen_create_in_local_context
++lto_codegen_dispose
++lto_codegen_set_debug_model
++lto_codegen_set_pic_model
++lto_codegen_write_merged_modules
++lto_codegen_debug_options
++lto_codegen_debug_options_array
++lto_codegen_set_assembler_args
++lto_codegen_set_assembler_path
++lto_codegen_set_cpu
++lto_codegen_compile_to_file
++lto_codegen_optimize
++lto_codegen_compile_optimized
++lto_codegen_set_should_internalize
++lto_codegen_set_should_embed_uselists
++thinlto_create_codegen
++thinlto_codegen_dispose
++thinlto_codegen_add_module
++thinlto_codegen_process
++thinlto_module_get_num_objects
++thinlto_module_get_object
++thinlto_codegen_set_pic_model
++thinlto_codegen_set_cache_dir
++thinlto_codegen_set_cache_pruning_interval
++thinlto_codegen_set_cache_entry_expiration
++thinlto_codegen_set_final_cache_size_relative_to_available_space
++thinlto_codegen_set_cache_size_bytes
++thinlto_codegen_set_cache_size_megabytes
++thinlto_codegen_set_cache_size_files
++thinlto_codegen_set_savetemps_dir
++thinlto_codegen_set_cpu
++thinlto_debug_options
++lto_module_is_thinlto
++thinlto_codegen_add_must_preserve_symbol
++thinlto_codegen_add_cross_referenced_symbol
++thinlto_codegen_set_codegen_only
++thinlto_codegen_disable_codegen
++thinlto_module_get_num_object_files
++thinlto_module_get_object_file
++thinlto_set_generated_objects_dir
++lto_input_create
++lto_input_dispose
++lto_input_get_num_dependent_libraries
++lto_input_get_dependent_library
++lto_runtime_lib_symbols_list
+diff --git tools/lto/lto.exports tools/lto/lto.exports
+index fd2212cb5f33..4a1fff8f93ca 100644
+--- tools/lto/lto.exports
++++ tools/lto/lto.exports
+@@ -42,12 +42,6 @@ lto_codegen_optimize
+ lto_codegen_compile_optimized
+ lto_codegen_set_should_internalize
+ lto_codegen_set_should_embed_uselists
+-LLVMCreateDisasm
+-LLVMCreateDisasmCPU
+-LLVMDisasmDispose
+-LLVMDisasmInstruction
+-LLVMSetDisasmOptions
+-LLVMCreateDisasmCPUFeatures
+ thinlto_create_codegen
+ thinlto_codegen_dispose
+ thinlto_codegen_add_module
+diff --git tools/remarks-shlib/CMakeLists.txt tools/remarks-shlib/CMakeLists.txt
+index e948496c603a..4c66ad487070 100644
+--- tools/remarks-shlib/CMakeLists.txt
++++ tools/remarks-shlib/CMakeLists.txt
+@@ -6,7 +6,11 @@ set(SOURCES
+   libremarks.cpp
+   )
+ 
+-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
++if (LLVM_LINK_LLVM_DYLIB)
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.dylib.exports)
++else()
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Remarks.exports)
++endif()
+ 
+ add_llvm_library(Remarks SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES})
+ 
+diff --git tools/remarks-shlib/Remarks.dylib.exports tools/remarks-shlib/Remarks.dylib.exports
+new file mode 100644
+index 000000000000..0c2a3c38c78c
+--- /dev/null
++++ tools/remarks-shlib/Remarks.dylib.exports
+@@ -0,0 +1 @@
++LLVMRemarkVersion
diff --git a/devel/llvm11/files/openmp/patch-backport-version-fixes b/devel/llvm11/files/openmp/patch-backport-version-fixes
new file mode 100644
index 000000000000..23a044feaa30
--- /dev/null
+++ b/devel/llvm11/files/openmp/patch-backport-version-fixes
@@ -0,0 +1,210 @@
+diff --git projects/openmp/libomptarget/plugins/exports projects/openmp/libomptarget/plugins/exports
+index 62bfc6e24d90..cc7beda183af 100644
+--- projects/openmp/libomptarget/plugins/exports
++++ projects/openmp/libomptarget/plugins/exports
+@@ -1,24 +1,6 @@
+ VERS1.0 {
+   global:
+-    __tgt_rtl_is_valid_binary;
+-    __tgt_rtl_is_data_exchangable;
+-    __tgt_rtl_number_of_devices;
+-    __tgt_rtl_init_requires;
+-    __tgt_rtl_init_device;
+-    __tgt_rtl_load_binary;
+-    __tgt_rtl_data_alloc;
+-    __tgt_rtl_data_submit;
+-    __tgt_rtl_data_submit_async;
+-    __tgt_rtl_data_retrieve;
+-    __tgt_rtl_data_retrieve_async;
+-    __tgt_rtl_data_exchange;
+-    __tgt_rtl_data_exchange_async;
+-    __tgt_rtl_data_delete;
+-    __tgt_rtl_run_target_team_region;
+-    __tgt_rtl_run_target_team_region_async;
+-    __tgt_rtl_run_target_region;
+-    __tgt_rtl_run_target_region_async;
+-    __tgt_rtl_synchronize;
++    __tgt_rtl*;
+   local:
+     *;
+ };
+diff --git projects/openmp/runtime/cmake/LibompHandleFlags.cmake projects/openmp/runtime/cmake/LibompHandleFlags.cmake
+index 0b8e3a35c888..cacc192eb378 100644
+--- projects/openmp/runtime/cmake/LibompHandleFlags.cmake
++++ projects/openmp/runtime/cmake/LibompHandleFlags.cmake
+@@ -94,7 +94,6 @@ function(libomp_get_ldflags ldflags)
+     IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG)
+   libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}"
+     IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG)
+-  libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
+   libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
+   libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+   libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
+diff --git projects/openmp/runtime/cmake/config-ix.cmake projects/openmp/runtime/cmake/config-ix.cmake
+index 3419dd8cd788..fb7a644155e2 100644
+--- projects/openmp/runtime/cmake/config-ix.cmake
++++ projects/openmp/runtime/cmake/config-ix.cmake
+@@ -100,9 +100,8 @@ if(WIN32)
+   libomp_check_linker_flag(/SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
+ elseif(NOT APPLE)
+   libomp_check_linker_flag(-Wl,-x LIBOMP_HAVE_X_FLAG)
+-  libomp_check_linker_flag(-Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
+   libomp_check_linker_flag(-Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
+-  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
++  libomp_check_linker_flag("-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+   libomp_check_linker_flag(-static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
+   libomp_check_linker_flag(-Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
+ endif()
+diff --git projects/openmp/runtime/src/exports_so.txt projects/openmp/runtime/src/exports_so.txt
+index 30222418163d..4e159a1abf29 100644
+--- projects/openmp/runtime/src/exports_so.txt
++++ projects/openmp/runtime/src/exports_so.txt
+@@ -74,10 +74,8 @@ VERSION {
+         __kmp_fork_call;
+         __kmp_invoke_microtask;
+ #if KMP_USE_MONITOR
+-        __kmp_launch_monitor;
+         __kmp_reap_monitor;
+ #endif
+-        __kmp_launch_worker;
+         __kmp_reap_worker;
+         __kmp_release_64;
+         __kmp_wait_64;
+diff --git projects/openmp/runtime/src/exports_test_so.txt projects/openmp/runtime/src/exports_test_so.txt
+new file mode 100644
+index 000000000000..912d160e7c06
+--- /dev/null
++++ projects/openmp/runtime/src/exports_test_so.txt
+@@ -0,0 +1,60 @@
++# exports_test_so.txt #
++
++#
++#//===----------------------------------------------------------------------===//
++#//
++#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
++#// See https://llvm.org/LICENSE.txt for license information.
++#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
++#//
++#//===----------------------------------------------------------------------===//
++#
++
++# This is used only to test if the linker supports version scripts. If the full
++# version script it used we may error on undefined symbols and erroneously fail.
++
++VERSION {
++
++    global: # Exported symbols.
++
++        *;         # All symbols as exported for testing.
++
++    local: # Non-exported symbols.
++
++        *;         # All other symbols are not exported.
++
++}; # VERSION
++
++# sets up GCC OMP_ version dependency chain
++OMP_1.0 {
++};
++OMP_2.0 {
++} OMP_1.0;
++OMP_3.0 {
++} OMP_2.0;
++OMP_3.1 {
++} OMP_3.0;
++OMP_4.0 {
++} OMP_3.1;
++OMP_4.5 {
++} OMP_4.0;
++OMP_5.0 {
++} OMP_4.5;
++
++# sets up GCC GOMP_ version dependency chain
++GOMP_1.0 {
++};
++GOMP_2.0 {
++} GOMP_1.0;
++GOMP_3.0 {
++} GOMP_2.0;
++GOMP_4.0 {
++} GOMP_3.0;
++GOMP_4.5 {
++} GOMP_4.0;
++GOMP_5.0 {
++} GOMP_4.5;
++GOMP_5.0.1 {
++} GOMP_5.0;
++
++# end of file #
+diff --git projects/openmp/runtime/src/kmp_runtime.cpp projects/openmp/runtime/src/kmp_runtime.cpp
+index e0c8cf241044..772942079b1b 100644
+--- projects/openmp/runtime/src/kmp_runtime.cpp
++++ projects/openmp/runtime/src/kmp_runtime.cpp
+@@ -8305,3 +8305,20 @@ void __kmp_omp_display_env(int verbose) {
+   __kmp_display_env_impl(!verbose, verbose);
+   __kmp_release_bootstrap_lock(&__kmp_initz_lock);
+ }
++
++// Empty symbols to export (see exports_so.txt) when feature is disabled
++extern "C" {
++#if !KMP_STATS_ENABLED
++void __kmp_reset_stats() {}
++#endif
++#if !USE_DEBUGGER
++int __kmp_omp_debug_struct_info = FALSE;
++int __kmp_debugging = FALSE;
++#endif
++#if !USE_ITT_BUILD || !USE_ITT_NOTIFY
++void __kmp_itt_fini_ittlib() {}
++void __kmp_itt_init_ittlib() {}
++#endif
++}
++
++// end of file
+diff --git projects/openmp/runtime/src/kmp_utility.cpp projects/openmp/runtime/src/kmp_utility.cpp
+index 6e6785deb445..5f66e2509d33 100644
+--- projects/openmp/runtime/src/kmp_utility.cpp
++++ projects/openmp/runtime/src/kmp_utility.cpp
+@@ -407,3 +407,16 @@ void __kmp_expand_file_name(char *result, size_t rlen, char *pattern) {
+ 
+   *pos = '\0';
+ }
++
++#if !OMPT_SUPPORT
++extern "C" {
++typedef struct ompt_start_tool_result_t ompt_start_tool_result_t;
++// Define symbols expected by VERSION script
++ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
++                                          const char *runtime_version) {
++  return nullptr;
++}
++
++void ompt_libomp_connect(ompt_start_tool_result_t *result) { result = nullptr; }
++}
++#endif
+diff --git projects/openmp/runtime/src/z_Linux_util.cpp projects/openmp/runtime/src/z_Linux_util.cpp
+index 3b5910fc95e8..e36952f30982 100644
+--- projects/openmp/runtime/src/z_Linux_util.cpp
++++ projects/openmp/runtime/src/z_Linux_util.cpp
+@@ -1049,7 +1049,7 @@ void __kmp_exit_thread(int exit_status) {
+ #if KMP_USE_MONITOR
+ void __kmp_resume_monitor();
+ 
+-void __kmp_reap_monitor(kmp_info_t *th) {
++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
+   int status;
+   void *exit_val;
+ 
+@@ -1091,6 +1091,12 @@ void __kmp_reap_monitor(kmp_info_t *th) {
+ 
+   KMP_MB(); /* Flush all pending memory write invalidates.  */
+ }
++#else
++// Empty symbol to export (see exports_so.txt) when
++// monitor thread feature is disabled
++extern "C" void __kmp_reap_monitor(kmp_info_t *th) {
++  (void)th;
++}
+ #endif // KMP_USE_MONITOR
+ 
+ void __kmp_reap_worker(kmp_info_t *th) {
diff --git a/devel/llvm11/files/patch-backport-version-fixes b/devel/llvm11/files/patch-backport-version-fixes
new file mode 100644
index 000000000000..a76ab4130edd
--- /dev/null
+++ b/devel/llvm11/files/patch-backport-version-fixes
@@ -0,0 +1,139 @@
+diff --git tools/lto/CMakeLists.txt tools/lto/CMakeLists.txt
+index 2963f97cad88..ae1ae6f48886 100644
+--- tools/lto/CMakeLists.txt
++++ tools/lto/CMakeLists.txt
+@@ -19,7 +19,11 @@ set(SOURCES
+   lto.cpp
+   )
+ 
+-set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
++if (LLVM_LINK_LLVM_DYLIB)
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.dylib.exports)
++else()
++  set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
++endif()
+ 
+ add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS
+     intrinsics_gen)
+diff --git tools/lto/lto.dylib.exports tools/lto/lto.dylib.exports
+new file mode 100644
+index 000000000000..2871abd34e40
+--- /dev/null
++++ tools/lto/lto.dylib.exports
+@@ -0,0 +1,75 @@
++lto_get_error_message
++lto_get_version
++lto_initialize_disassembler
++lto_module_create
++lto_module_create_from_fd
++lto_module_create_from_fd_at_offset
++lto_module_create_from_memory
++lto_module_create_from_memory_with_path
++lto_module_create_in_local_context
++lto_module_create_in_codegen_context
*** 106 LINES SKIPPED ***