[clang] [compiler-rt] [libcxx] [libunwind] [llvm] [openmp] [cmake] switch to CMake's native `check_{compiler,linker}_flag` (PR #96171)

via cfe-commits cfe-commits at lists.llvm.org
Thu Jun 20 04:24:18 PDT 2024


https://github.com/h-vetinari created https://github.com/llvm/llvm-project/pull/96171

Broken out from #93429

Somewhat closing the loop opened by https://github.com/llvm/llvm-project/commit/7017e6c9cfd2de3122ce9528f338a97d61e96373

>From 1df587efeb71fb1929667f008d7e9b251863d9d8 Mon Sep 17 00:00:00 2001
From: "H. Vetinari" <h.vetinari at gmx.com>
Date: Thu, 20 Jun 2024 21:43:31 +1100
Subject: [PATCH 1/2] [cmake] switch to CMake's native check_linker_flag,
 delete LLVMCheckLinkerFlag.cmake

now that CMake baseline has moved past 3.18; see
https://cmake.org/cmake/help/latest/module/CheckLinkerFlag.html
---
 clang/tools/driver/CMakeLists.txt            |  4 +--
 llvm/cmake/modules/AddLLVM.cmake             |  4 +--
 llvm/cmake/modules/HandleLLVMOptions.cmake   |  8 +++---
 llvm/cmake/modules/HandleLLVMStdlib.cmake    |  6 ++---
 llvm/cmake/modules/LLVMCheckLinkerFlag.cmake | 28 --------------------
 5 files changed, 11 insertions(+), 39 deletions(-)
 delete mode 100644 llvm/cmake/modules/LLVMCheckLinkerFlag.cmake

diff --git a/clang/tools/driver/CMakeLists.txt b/clang/tools/driver/CMakeLists.txt
index 290bf2a42536d..018605c2fd4f2 100644
--- a/clang/tools/driver/CMakeLists.txt
+++ b/clang/tools/driver/CMakeLists.txt
@@ -107,7 +107,7 @@ endif()
 
 if(CLANG_ORDER_FILE AND
     (LLVM_LINKER_IS_APPLE OR LLVM_LINKER_IS_GOLD OR LLVM_LINKER_IS_LLD))
-  include(LLVMCheckLinkerFlag)
+  include(CheckLinkerFlag)
 
   if (LLVM_LINKER_IS_APPLE OR (LLVM_LINKER_IS_LLD AND APPLE))
     set(LINKER_ORDER_FILE_OPTION "-Wl,-order_file,${CLANG_ORDER_FILE}")
@@ -118,7 +118,7 @@ if(CLANG_ORDER_FILE AND
   endif()
 
   # This is a test to ensure the actual order file works with the linker.
-  llvm_check_linker_flag(CXX ${LINKER_ORDER_FILE_OPTION} LINKER_ORDER_FILE_WORKS)
+  check_linker_flag(CXX ${LINKER_ORDER_FILE_OPTION} LINKER_ORDER_FILE_WORKS)
 
   # Passing an empty order file disables some linker layout optimizations.
   # To work around this and enable workflows for re-linking when the order file
diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index 03f4e1f190fd9..cac5470435d91 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -327,8 +327,8 @@ function(add_link_opts target_name)
       elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS" AND LLVM_LINKER_IS_SOLARISLD)
         # Support for ld -z discard-unused=sections was only added in
         # Solaris 11.4.  GNU ld ignores it, but warns every time.
-        include(LLVMCheckLinkerFlag)
-        llvm_check_linker_flag(CXX "-Wl,-z,discard-unused=sections" LINKER_SUPPORTS_Z_DISCARD_UNUSED)
+        include(CheckLinkerFlag)
+        check_linker_flag(CXX "-Wl,-z,discard-unused=sections" LINKER_SUPPORTS_Z_DISCARD_UNUSED)
         if (LINKER_SUPPORTS_Z_DISCARD_UNUSED)
           set_property(TARGET ${target_name} APPEND_STRING PROPERTY
                        LINK_FLAGS " -Wl,-z,discard-unused=sections")
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index 5ca580fbb59c5..bdbd36174fc7a 100644
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -1061,8 +1061,8 @@ if (LLVM_USE_SPLIT_DWARF AND
   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
       CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-gsplit-dwarf>)
-    include(LLVMCheckLinkerFlag)
-    llvm_check_linker_flag(CXX "-Wl,--gdb-index" LINKER_SUPPORTS_GDB_INDEX)
+    include(CheckLinkerFlag)
+    check_linker_flag(CXX "-Wl,--gdb-index" LINKER_SUPPORTS_GDB_INDEX)
     append_if(LINKER_SUPPORTS_GDB_INDEX "-Wl,--gdb-index"
       CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
   endif()
@@ -1083,8 +1083,8 @@ endif()
 
 # lld doesn't print colored diagnostics when invoked from Ninja
 if (UNIX AND CMAKE_GENERATOR MATCHES "Ninja")
-  include(LLVMCheckLinkerFlag)
-  llvm_check_linker_flag(CXX "-Wl,--color-diagnostics" LINKER_SUPPORTS_COLOR_DIAGNOSTICS)
+  include(CheckLinkerFlag)
+  check_linker_flag(CXX "-Wl,--color-diagnostics" LINKER_SUPPORTS_COLOR_DIAGNOSTICS)
   append_if(LINKER_SUPPORTS_COLOR_DIAGNOSTICS "-Wl,--color-diagnostics"
     CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
 endif()
diff --git a/llvm/cmake/modules/HandleLLVMStdlib.cmake b/llvm/cmake/modules/HandleLLVMStdlib.cmake
index 7afc10cff74ff..a7e138aa0789b 100644
--- a/llvm/cmake/modules/HandleLLVMStdlib.cmake
+++ b/llvm/cmake/modules/HandleLLVMStdlib.cmake
@@ -13,12 +13,12 @@ if(NOT DEFINED LLVM_STDLIB_HANDLED)
   endfunction()
 
   include(CheckCXXCompilerFlag)
-  include(LLVMCheckLinkerFlag)
+  include(CheckLinkerFlag)
   set(LLVM_LIBCXX_USED 0)
   if(LLVM_ENABLE_LIBCXX)
     if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
       check_cxx_compiler_flag("-stdlib=libc++" CXX_COMPILER_SUPPORTS_STDLIB)
-      llvm_check_linker_flag(CXX "-stdlib=libc++" CXX_LINKER_SUPPORTS_STDLIB)
+      check_linker_flag(CXX "-stdlib=libc++" CXX_LINKER_SUPPORTS_STDLIB)
       if(CXX_COMPILER_SUPPORTS_STDLIB AND CXX_LINKER_SUPPORTS_STDLIB)
         append("-stdlib=libc++"
           CMAKE_CXX_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS
@@ -36,7 +36,7 @@ if(NOT DEFINED LLVM_STDLIB_HANDLED)
     if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
       check_cxx_compiler_flag("-static-libstdc++"
                               CXX_COMPILER_SUPPORTS_STATIC_STDLIB)
-      llvm_check_linker_flag(CXX "-static-libstdc++" CXX_LINKER_SUPPORTS_STATIC_STDLIB)
+      check_linker_flag(CXX "-static-libstdc++" CXX_LINKER_SUPPORTS_STATIC_STDLIB)
       if(CXX_COMPILER_SUPPORTS_STATIC_STDLIB AND
         CXX_LINKER_SUPPORTS_STATIC_STDLIB)
         append("-static-libstdc++"
diff --git a/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake b/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
deleted file mode 100644
index e09bbc66f2d26..0000000000000
--- a/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-include(CheckLinkerFlag OPTIONAL)
-
-if (COMMAND check_linker_flag)
-  macro(llvm_check_linker_flag)
-    check_linker_flag(${ARGN})
-  endmacro()
-else()
-  # Until the minimum CMAKE version is 3.18
-
-  include(CheckCXXCompilerFlag)
-
-  # cmake builtin compatible, except we assume lang is C or CXX
-  function(llvm_check_linker_flag lang flag out_var)
-    cmake_policy(PUSH)
-    cmake_policy(SET CMP0056 NEW)
-    set(_CMAKE_EXE_LINKER_FLAGS_SAVE ${CMAKE_EXE_LINKER_FLAGS})
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}")
-    if("${lang}" STREQUAL "C")
-      check_c_compiler_flag("" ${out_var})
-    elseif("${lang}" STREQUAL "CXX")
-      check_cxx_compiler_flag("" ${out_var})
-    else()
-      message(FATAL_ERROR "\"${lang}\" is not C or CXX")
-    endif()
-    set(CMAKE_EXE_LINKER_FLAGS ${_CMAKE_EXE_LINKER_FLAGS_SAVE})
-    cmake_policy(POP)
-  endfunction()
-endif()

>From 1515c2cd16911e1297c57fb69d4bb4921a40b8ab Mon Sep 17 00:00:00 2001
From: "H. Vetinari" <h.vetinari at gmx.com>
Date: Thu, 20 Jun 2024 21:56:56 +1100
Subject: [PATCH 2/2] [cmake] switch to CMake's native check_compiler_flag,
 delete LLVMCheckCompilerLinkerFlag.cmake

now that CMake baseline has moved past 3.19; see
https://cmake.org/cmake/help/latest/module/CheckCompilerFlag.html
---
 .../Modules/LLVMCheckCompilerLinkerFlag.cmake | 35 -------------------
 compiler-rt/cmake/config-ix.cmake             | 18 +++++-----
 libcxx/cmake/config-ix.cmake                  |  6 ++--
 libunwind/cmake/config-ix.cmake               |  8 ++---
 offload/CMakeLists.txt                        |  4 +--
 openmp/runtime/cmake/config-ix.cmake          | 18 +++++-----
 runtimes/CMakeLists.txt                       |  6 ++--
 7 files changed, 30 insertions(+), 65 deletions(-)
 delete mode 100644 cmake/Modules/LLVMCheckCompilerLinkerFlag.cmake

diff --git a/cmake/Modules/LLVMCheckCompilerLinkerFlag.cmake b/cmake/Modules/LLVMCheckCompilerLinkerFlag.cmake
deleted file mode 100644
index f61ec0585f9a4..0000000000000
--- a/cmake/Modules/LLVMCheckCompilerLinkerFlag.cmake
+++ /dev/null
@@ -1,35 +0,0 @@
-include(CMakePushCheckState)
-
-include(CheckCompilerFlag OPTIONAL)
-
-if(NOT COMMAND check_compiler_flag)
-  include(CheckCCompilerFlag)
-  include(CheckCXXCompilerFlag)
-endif()
-
-function(llvm_check_compiler_linker_flag lang flag out_var)
-  # If testing a flag with check_c_compiler_flag, it gets added to the compile
-  # command only, but not to the linker command in that test. If the flag
-  # is vital for linking to succeed, the test would fail even if it would
-  # have succeeded if it was included on both commands.
-  #
-  # Therefore, try adding the flag to CMAKE_REQUIRED_FLAGS, which gets
-  # added to both compiling and linking commands in the tests.
-
-  cmake_push_check_state()
-  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
-  if(COMMAND check_compiler_flag)
-    check_compiler_flag("${lang}" "" ${out_var})
-  else()
-    # Until the minimum CMAKE version is 3.19
-    # cmake builtin compatible, except we assume lang is C or CXX
-    if("${lang}" STREQUAL "C")
-      check_c_compiler_flag("" ${out_var})
-    elseif("${lang}" STREQUAL "CXX")
-      check_cxx_compiler_flag("" ${out_var})
-    else()
-      message(FATAL_ERROR "\"${lang}\" is not C or CXX")
-    endif()
-  endif()
-  cmake_pop_check_state()
-endfunction()
diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 75e4d3677703a..e90e95438c069 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -5,7 +5,7 @@ include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 include(CheckIncludeFiles)
 include(CheckLibraryExists)
-include(LLVMCheckCompilerLinkerFlag)
+include(CheckCompilerFlag)
 include(CheckSymbolExists)
 include(TestBigEndian)
 
@@ -15,8 +15,8 @@ include(TestBigEndian)
 # in tree version of runtimes, we'd be linking against the just-built
 # libunwind (and the compiler implicit -lunwind wouldn't succeed as the newly
 # built libunwind isn't installed yet). For those cases, it'd be good to
-# link with --uwnindlib=none. Check if that option works.
-llvm_check_compiler_linker_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_NONE_FLAG)
+# link with --unwindlib=none. Check if that option works.
+check_compiler_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_NONE_FLAG)
 
 check_library_exists(c fopen "" COMPILER_RT_HAS_LIBC)
 if (COMPILER_RT_USE_BUILTINS_LIBRARY)
@@ -190,12 +190,12 @@ check_library_exists(c++ __cxa_throw "" COMPILER_RT_HAS_LIBCXX)
 check_library_exists(stdc++ __cxa_throw "" COMPILER_RT_HAS_LIBSTDCXX)
 
 # Linker flags.
-llvm_check_compiler_linker_flag(C "-Wl,-z,text" COMPILER_RT_HAS_Z_TEXT)
-llvm_check_compiler_linker_flag(C "-fuse-ld=lld" COMPILER_RT_HAS_FUSE_LD_LLD_FLAG)
+check_compiler_flag(C "-Wl,-z,text" COMPILER_RT_HAS_Z_TEXT)
+check_compiler_flag(C "-fuse-ld=lld" COMPILER_RT_HAS_FUSE_LD_LLD_FLAG)
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS" AND LLVM_LINKER_IS_SOLARISLD)
   set(VERS_COMPAT_OPTION "-Wl,-z,gnu-version-script-compat")
-  llvm_check_compiler_linker_flag(C "${VERS_COMPAT_OPTION}" COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
+  check_compiler_flag(C "${VERS_COMPAT_OPTION}" COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
 endif()
 
 set(DUMMY_VERS ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/dummy.vers)
@@ -206,10 +206,10 @@ if(COMPILER_RT_HAS_GNU_VERSION_SCRIPT_COMPAT)
   # -z gnu-version-script-compat.
   string(APPEND VERS_OPTION " ${VERS_COMPAT_OPTION}")
 endif()
-llvm_check_compiler_linker_flag(C "${VERS_OPTION}" COMPILER_RT_HAS_VERSION_SCRIPT)
+check_compiler_flag(C "${VERS_OPTION}" COMPILER_RT_HAS_VERSION_SCRIPT)
 
 if(ANDROID)
-  llvm_check_compiler_linker_flag(C "-Wl,-z,global" COMPILER_RT_HAS_Z_GLOBAL)
+  check_compiler_flag(C "-Wl,-z,global" COMPILER_RT_HAS_Z_GLOBAL)
   check_library_exists(log __android_log_write "" COMPILER_RT_HAS_LIBLOG)
 endif()
 
@@ -481,7 +481,7 @@ if(APPLE)
     -lc++
     -lc++abi)
 
-  llvm_check_compiler_linker_flag(C "-fapplication-extension" COMPILER_RT_HAS_APP_EXTENSION)
+  check_compiler_flag(C "-fapplication-extension" COMPILER_RT_HAS_APP_EXTENSION)
   if(COMPILER_RT_HAS_APP_EXTENSION)
     list(APPEND DARWIN_COMMON_LINK_FLAGS "-fapplication-extension")
   endif()
diff --git a/libcxx/cmake/config-ix.cmake b/libcxx/cmake/config-ix.cmake
index 7406fba482e69..a214c17dacdbb 100644
--- a/libcxx/cmake/config-ix.cmake
+++ b/libcxx/cmake/config-ix.cmake
@@ -1,7 +1,7 @@
 include(CMakePushCheckState)
 include(CheckLibraryExists)
 include(CheckSymbolExists)
-include(LLVMCheckCompilerLinkerFlag)
+include(CheckCompilerFlag)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 include(CheckCSourceCompiles)
@@ -12,8 +12,8 @@ include(CheckCSourceCompiles)
 # LIBCXXABI_USE_LLVM_UNWINDER set, we'd be linking against the just-built
 # libunwind (and the compiler implicit -lunwind wouldn't succeed as the newly
 # built libunwind isn't installed yet). For those cases, it'd be good to
-# link with --uwnindlib=none. Check if that option works.
-llvm_check_compiler_linker_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
+# link with --unwindlib=none. Check if that option works.
+check_compiler_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
 
 if (NOT LIBCXX_USE_COMPILER_RT)
   if(WIN32 AND NOT MINGW)
diff --git a/libunwind/cmake/config-ix.cmake b/libunwind/cmake/config-ix.cmake
index 126c872f0d489..77bdd5eb5aaf8 100644
--- a/libunwind/cmake/config-ix.cmake
+++ b/libunwind/cmake/config-ix.cmake
@@ -2,14 +2,14 @@ include(CMakePushCheckState)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 include(CheckLibraryExists)
-include(LLVMCheckCompilerLinkerFlag)
+include(CheckCompilerFlag)
 include(CheckSymbolExists)
 include(CheckCSourceCompiles)
 
 # The compiler driver may be implicitly trying to link against libunwind, which
 # might not work if libunwind doesn't exist yet. Try to check if
 # --unwindlib=none is supported, and use that if possible.
-llvm_check_compiler_linker_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
+check_compiler_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
 
 if (HAIKU)
   check_library_exists(root fopen "" LIBUNWIND_HAS_ROOT_LIB)
@@ -35,11 +35,11 @@ endif()
 # required for the link to go through. We remove sanitizers from the
 # configuration checks to avoid spurious link errors.
 
-llvm_check_compiler_linker_flag(CXX "-nostdlib++" CXX_SUPPORTS_NOSTDLIBXX_FLAG)
+check_compiler_flag(CXX "-nostdlib++" CXX_SUPPORTS_NOSTDLIBXX_FLAG)
 if (CXX_SUPPORTS_NOSTDLIBXX_FLAG)
   set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nostdlib++")
 else()
-  llvm_check_compiler_linker_flag(C "-nodefaultlibs" C_SUPPORTS_NODEFAULTLIBS_FLAG)
+  check_compiler_flag(C "-nodefaultlibs" C_SUPPORTS_NODEFAULTLIBS_FLAG)
   if (C_SUPPORTS_NODEFAULTLIBS_FLAG)
     set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nodefaultlibs")
   endif()
diff --git a/offload/CMakeLists.txt b/offload/CMakeLists.txt
index ead2aed414ffe..800a34ccb194a 100644
--- a/offload/CMakeLists.txt
+++ b/offload/CMakeLists.txt
@@ -294,9 +294,9 @@ endif()
 
 if(OPENMP_STANDALONE_BUILD OR TARGET omp)
   # Check LIBOMP_HAVE_VERSION_SCRIPT_FLAG
-  include(LLVMCheckCompilerLinkerFlag)
+  include(CheckCompilerFlag)
   if(NOT APPLE)
-    llvm_check_compiler_linker_flag(C "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/../openmp/runtime/src/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+    check_compiler_flag(C "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/../openmp/runtime/src/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
   endif()
 endif()
 
diff --git a/openmp/runtime/cmake/config-ix.cmake b/openmp/runtime/cmake/config-ix.cmake
index 337fe2e599648..ad389e76208ec 100644
--- a/openmp/runtime/cmake/config-ix.cmake
+++ b/openmp/runtime/cmake/config-ix.cmake
@@ -8,6 +8,7 @@
 #//===----------------------------------------------------------------------===//
 #
 
+include(CheckCompilerFlag)
 include(CheckCCompilerFlag)
 include(CheckCSourceCompiles)
 include(CheckCXXSourceCompiles)
@@ -17,7 +18,6 @@ include(CheckLibraryExists)
 include(CheckIncludeFiles)
 include(CheckSymbolExists)
 include(LibompCheckFortranFlag)
-include(LLVMCheckCompilerLinkerFlag)
 
 # Check for versioned symbols
 function(libomp_check_version_symbols retval)
@@ -128,13 +128,13 @@ check_symbol_exists(_aligned_malloc "malloc.h" LIBOMP_HAVE__ALIGNED_MALLOC)
 
 # Check linker flags
 if(WIN32)
-  llvm_check_compiler_linker_flag(C /SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
+  check_compiler_flag(C /SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
 elseif(NOT APPLE)
-  llvm_check_compiler_linker_flag(C -Wl,-x LIBOMP_HAVE_X_FLAG)
-  llvm_check_compiler_linker_flag(C -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
-  llvm_check_compiler_linker_flag(C "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
-  llvm_check_compiler_linker_flag(C -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
-  llvm_check_compiler_linker_flag(C -Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
+  check_compiler_flag(C -Wl,-x LIBOMP_HAVE_X_FLAG)
+  check_compiler_flag(C -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
+  check_compiler_flag(C "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_test_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+  check_compiler_flag(C -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
+  check_compiler_flag(C -Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
 endif()
 
 # Check Intel(R) C Compiler specific flags
@@ -145,8 +145,8 @@ if(CMAKE_C_COMPILER_ID STREQUAL "Intel" OR CMAKE_C_COMPILER_ID STREQUAL "IntelLL
   check_cxx_compiler_flag(-Qoption,cpp,--extended_float_types LIBOMP_HAVE_EXTENDED_FLOAT_TYPES_FLAG)
   check_cxx_compiler_flag(-falign-stack=maintain-16-byte LIBOMP_HAVE_FALIGN_STACK_FLAG)
   check_cxx_compiler_flag("-opt-streaming-stores never" LIBOMP_HAVE_OPT_STREAMING_STORES_FLAG)
-  llvm_check_compiler_linker_flag(C -static-intel LIBOMP_HAVE_STATIC_INTEL_FLAG)
-  llvm_check_compiler_linker_flag(C -no-intel-extensions LIBOMP_HAVE_NO_INTEL_EXTENSIONS_FLAG)
+  check_compiler_flag(C -static-intel LIBOMP_HAVE_STATIC_INTEL_FLAG)
+  check_compiler_flag(C -no-intel-extensions LIBOMP_HAVE_NO_INTEL_EXTENSIONS_FLAG)
   check_library_exists(irc_pic _intel_fast_memcpy "" LIBOMP_HAVE_IRC_PIC_LIBRARY)
 endif()
 
diff --git a/runtimes/CMakeLists.txt b/runtimes/CMakeLists.txt
index 24f4851169591..da7650ce65da7 100644
--- a/runtimes/CMakeLists.txt
+++ b/runtimes/CMakeLists.txt
@@ -79,7 +79,7 @@ set(LLVM_CMAKE_DIR ${LLVM_MAIN_SRC_DIR}/cmake/modules)
 set(LLVM_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../llvm)
 
 include(CheckLibraryExists)
-include(LLVMCheckCompilerLinkerFlag)
+include(CheckCompilerFlag)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 
@@ -114,7 +114,7 @@ filter_prefixed("${CMAKE_ASM_IMPLICIT_INCLUDE_DIRECTORIES}" ${LLVM_BINARY_DIR} C
 # Currently, we counteract this issue by adding -fno-sanitize=all flag in
 # the project specific code within */cmake/config-ix.cmake files but that's
 # brittle. We should ideally move this to runtimes/CMakeLists.txt.
-llvm_check_compiler_linker_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
+check_compiler_flag(C "--unwindlib=none" CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
 if (CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG)
   set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
   set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} --unwindlib=none")
@@ -143,7 +143,7 @@ endif()
 # Check for -nostdlib++ first; if there's no C++ standard library yet,
 # all check_cxx_compiler_flag commands will fail until we add -nostdlib++
 # (or -nodefaultlibs).
-llvm_check_compiler_linker_flag(CXX "-nostdlib++" CXX_SUPPORTS_NOSTDLIBXX_FLAG)
+check_compiler_flag(CXX "-nostdlib++" CXX_SUPPORTS_NOSTDLIBXX_FLAG)
 if (CXX_SUPPORTS_NOSTDLIBXX_FLAG)
   set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nostdlib++")
 endif()



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