Set macos deployment target in cmake list

relates to #1401

2 files changed, 2 insertions, 1 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt

index 49bbe226..490136d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ set(
 set(CMAKE_CXX_STANDARD 20 CACHE STRING "C++ standard")
 set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Require C++ standard to be supported")
 set(CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "compile as PIC by default")
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "macos deployment target")
 
 option(HUNTER_ENABLED "Enable Hunter package manager" OFF)
 include("cmake/HunterGate.cmake")
diff --git a/toolchain.cmake b/toolchain.cmake

index 3e80767f..bf41e07a 100644
--- a/toolchain.cmake
+++ b/toolchain.cmake
@@ -1,4 +1,4 @@
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
\ No newline at end of file
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "macos deployment target")