diff options
Diffstat (limited to 'flang')
-rw-r--r-- | flang/CMakeLists.txt | 9 | ||||
-rw-r--r-- | flang/lib/Decimal/CMakeLists.txt | 2 | ||||
-rw-r--r-- | flang/runtime/CMakeLists.txt | 9 |
3 files changed, 17 insertions, 3 deletions
diff --git a/flang/CMakeLists.txt b/flang/CMakeLists.txt index 4c0b9a84cc5b..e47456a0fb93 100644 --- a/flang/CMakeLists.txt +++ b/flang/CMakeLists.txt @@ -1,4 +1,4 @@ -cmake_minimum_required(VERSION 3.20.0) +cmake_minimum_required(VERSION 3.13.4) if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS) set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) @@ -39,6 +39,13 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) message("Building Flang as a standalone project.") project(Flang) set(FLANG_STANDALONE_BUILD ON) + if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0") + message(WARNING + "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the " + "minimum version of CMake required to build LLVM will become 3.20.0, and " + "using an older CMake will become an error. Please upgrade your CMake to " + "at least 3.20.0 now to avoid issues in the future!") + endif() else() set(FLANG_STANDALONE_BUILD OFF) endif() diff --git a/flang/lib/Decimal/CMakeLists.txt b/flang/lib/Decimal/CMakeLists.txt index 3116ff68ea26..a81d329b4a5d 100644 --- a/flang/lib/Decimal/CMakeLists.txt +++ b/flang/lib/Decimal/CMakeLists.txt @@ -1,5 +1,5 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) - cmake_minimum_required(VERSION 3.20.0) + cmake_minimum_required(VERSION 3.13.4) project(FortranDecimal C CXX) diff --git a/flang/runtime/CMakeLists.txt b/flang/runtime/CMakeLists.txt index 63d7f9bf2a9d..2a7e74c17553 100644 --- a/flang/runtime/CMakeLists.txt +++ b/flang/runtime/CMakeLists.txt @@ -7,7 +7,14 @@ #===------------------------------------------------------------------------===# if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) - cmake_minimum_required(VERSION 3.20.0) + cmake_minimum_required(VERSION 3.13.4) + if ("${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) |