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-rw-r--r--clang/CMakeLists.txt7
-rw-r--r--compiler-rt/CMakeLists.txt7
-rw-r--r--compiler-rt/lib/builtins/CMakeLists.txt7
-rw-r--r--compiler-rt/lib/crt/CMakeLists.txt7
-rw-r--r--flang/CMakeLists.txt7
-rw-r--r--flang/runtime/CMakeLists.txt7
-rw-r--r--lld/CMakeLists.txt7
-rw-r--r--lldb/CMakeLists.txt7
-rw-r--r--lldb/tools/debugserver/CMakeLists.txt7
-rw-r--r--llvm/CMakeLists.txt7
-rw-r--r--llvm/docs/ReleaseNotes.rst11
-rw-r--r--mlir/CMakeLists.txt7
-rw-r--r--openmp/CMakeLists.txt7
-rw-r--r--polly/CMakeLists.txt7
-rw-r--r--runtimes/CMakeLists.txt7
15 files changed, 109 insertions, 0 deletions
diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
index e6cc6e4..03c8814 100644
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -11,6 +11,13 @@ include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(Clang)
set(CLANG_BUILT_STANDALONE TRUE)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
# Must go below project(..)
diff --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
index eb643d6..77ba6d0 100644
--- a/compiler-rt/CMakeLists.txt
+++ b/compiler-rt/CMakeLists.txt
@@ -10,6 +10,13 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR COMPILER_RT_STANDALONE
project(CompilerRT C CXX ASM)
set(COMPILER_RT_STANDALONE_BUILD TRUE)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt
index 4ae2e73..91dd38f 100644
--- a/compiler-rt/lib/builtins/CMakeLists.txt
+++ b/compiler-rt/lib/builtins/CMakeLists.txt
@@ -4,6 +4,13 @@
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.13.4)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
project(CompilerRTBuiltins C ASM)
diff --git a/compiler-rt/lib/crt/CMakeLists.txt b/compiler-rt/lib/crt/CMakeLists.txt
index 60b3056..771652f 100644
--- a/compiler-rt/lib/crt/CMakeLists.txt
+++ b/compiler-rt/lib/crt/CMakeLists.txt
@@ -1,5 +1,12 @@
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.13.4)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
project(CompilerRTCRT C)
diff --git a/flang/CMakeLists.txt b/flang/CMakeLists.txt
index d97adbc..e4ae506f 100644
--- a/flang/CMakeLists.txt
+++ b/flang/CMakeLists.txt
@@ -31,6 +31,13 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
message("Building Flang as a standalone project.")
project(Flang)
set(FLANG_STANDALONE_BUILD ON)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
else()
set(FLANG_STANDALONE_BUILD OFF)
endif()
diff --git a/flang/runtime/CMakeLists.txt b/flang/runtime/CMakeLists.txt
index 2399c92..8ce0327 100644
--- a/flang/runtime/CMakeLists.txt
+++ b/flang/runtime/CMakeLists.txt
@@ -8,6 +8,13 @@
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.13.4)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
project(FlangRuntime C CXX)
diff --git a/lld/CMakeLists.txt b/lld/CMakeLists.txt
index 99f284e..5f496b4 100644
--- a/lld/CMakeLists.txt
+++ b/lld/CMakeLists.txt
@@ -11,6 +11,13 @@ include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(lld)
set(LLD_BUILT_STANDALONE TRUE)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
# Must go below project(..)
diff --git a/lldb/CMakeLists.txt b/lldb/CMakeLists.txt
index 110c7b0..20d584c 100644
--- a/lldb/CMakeLists.txt
+++ b/lldb/CMakeLists.txt
@@ -19,6 +19,13 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(lldb)
set(LLDB_BUILT_STANDALONE TRUE)
set(LLVM_INCLUDE_TESTS ON CACHE INTERNAL "")
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
# Must go below project(..)
diff --git a/lldb/tools/debugserver/CMakeLists.txt b/lldb/tools/debugserver/CMakeLists.txt
index 3a585a2..4940ea48 100644
--- a/lldb/tools/debugserver/CMakeLists.txt
+++ b/lldb/tools/debugserver/CMakeLists.txt
@@ -7,6 +7,13 @@ include(GNUInstallDirs)
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
set(LLDB_BUILT_STANDALONE TRUE)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH}
diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 0d6da92..6a86d50 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -1,6 +1,13 @@
# See docs/CMake.html for instructions about how to build LLVM with CMake.
cmake_minimum_required(VERSION 3.13.4)
+if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+endif()
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index ce46d43..8d473c4 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -64,6 +64,17 @@ and there is no way to suppress this error.
* Apple Clang >= 10.0
* Visual Studio 2019 >= 16.7
+With LLVM 16.x we will raise the version requirement of CMake used to build
+LLVM. The new requirements are as follows:
+
+* CMake >= 3.20.0
+
+In LLVM 16.x this requirement will be "soft", there will only be a diagnostic.
+
+With the release of LLVM 17.x this requirement will be hard and LLVM developers
+can start using CMake 3.20.0 features, making it impossible to build with older
+versions of CMake.
+
Changes to the LLVM IR
----------------------
diff --git a/mlir/CMakeLists.txt b/mlir/CMakeLists.txt
index 651ec1a..ab690b1 100644
--- a/mlir/CMakeLists.txt
+++ b/mlir/CMakeLists.txt
@@ -11,6 +11,13 @@ include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(mlir)
set(MLIR_STANDALONE_BUILD TRUE)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
# Must go below project(..)
diff --git a/openmp/CMakeLists.txt b/openmp/CMakeLists.txt
index 7f6ea8e..b6e159c 100644
--- a/openmp/CMakeLists.txt
+++ b/openmp/CMakeLists.txt
@@ -12,6 +12,13 @@ list(INSERT CMAKE_MODULE_PATH 0
if (OPENMP_STANDALONE_BUILD OR "${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
set(OPENMP_STANDALONE_BUILD TRUE)
project(openmp C CXX)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
endif()
# Must go below project(..)
diff --git a/polly/CMakeLists.txt b/polly/CMakeLists.txt
index aa992de..b81ce16 100644
--- a/polly/CMakeLists.txt
+++ b/polly/CMakeLists.txt
@@ -2,6 +2,13 @@
if (NOT DEFINED LLVM_MAIN_SRC_DIR)
project(Polly)
cmake_minimum_required(VERSION 3.13.4)
+ if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+ endif()
set(POLLY_STANDALONE_BUILD TRUE)
endif()
diff --git a/runtimes/CMakeLists.txt b/runtimes/CMakeLists.txt
index a735096..1626b7b 100644
--- a/runtimes/CMakeLists.txt
+++ b/runtimes/CMakeLists.txt
@@ -1,5 +1,12 @@
# This file handles building LLVM runtime sub-projects.
cmake_minimum_required(VERSION 3.13.4)
+if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+ message(WARNING
+ "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
+ "minimum version of CMake required to build LLVM will become 3.20.0, and "
+ "using an older CMake will become an error. Please upgrade your CMake to "
+ "at least 3.20.0 now to avoid issues in the future!")
+endif()
project(Runtimes C CXX ASM)
# Add path for custom and the LLVM build's modules to the CMake module path.
generated by cgit v1.1 at 2024-07-09 03:28:46 +0000