Set VCPKG_OSX_DEPLOYMENT_TARGET with 10.15 in triplets

Author: BewareMyPower

arm64-osx.cmake

@@ -0,0 +1,7 @@
+set(VCPKG_TARGET_ARCHITECTURE arm64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+
+set(VCPKG_CMAKE_SYSTEM_NAME Darwin)
+set(VCPKG_OSX_ARCHITECTURES arm64)
+set(VCPKG_OSX_DEPLOYMENT_TARGET 10.15)

pkg/mac/build-static-library.sh

@@ -23,8 +23,10 @@ cd `dirname $0`/../..
 
 if [[ $ARCH == "x86_64" ]]; then
     export VCPKG_TRIPLET=x64-osx
+    cp -f x64-osx.cmake vcpkg/triplets/x64-osx.cmake
 elif [[ $ARCH == "arm64" ]]; then
     export VCPKG_TRIPLET=arm64-osx
+    cp -f arm64-osx.cmake vcpkg/triplets/community/arm64-osx.cmake
 else
     echo "Invalid ARCH: $ARCH"
     exit 1

x64-osx.cmake

@@ -0,0 +1,7 @@
+set(VCPKG_TARGET_ARCHITECTURE x64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+
+set(VCPKG_CMAKE_SYSTEM_NAME Darwin)
+set(VCPKG_OSX_ARCHITECTURES x86_64)
+set(VCPKG_OSX_DEPLOYMENT_TARGET 10.15)