Reland "[CMake] Bumps minimum version to 3.20.0."
All build bots should be updated now.
This reverts commit 44d38022ab29a3156349602733b3459df5beef93.
GitOrigin-RevId: ffb807ab5375b3f78df198dc5d4302b3b552242f
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f12a16..bd49dfb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
# Setup Project
#===============================================================================
-cmake_minimum_required(VERSION 3.13.4)
+cmake_minimum_required(VERSION 3.20.0)
set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2eabbe0..ef34174 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -30,8 +30,7 @@
# CMake doesn't work correctly with assembly on AIX. Workaround by compiling
# as C files as well.
if((APPLE AND CMAKE_VERSION VERSION_LESS 3.19) OR
- (MINGW AND CMAKE_VERSION VERSION_LESS 3.17) OR
- (${CMAKE_SYSTEM_NAME} MATCHES "AIX"))
+ (MINGW AND CMAKE_VERSION VERSION_LESS 3.17))
set_source_files_properties(${LIBUNWIND_ASM_SOURCES} PROPERTIES LANGUAGE C)
endif()