CMake/macOS: upgrade minimum version to 10.15

tautschnig · tautschnig · commit 3108deb7cc53 · 2022-03-25T21:25:26.000Z
This is consistent with the Makefile-based build system, which had this updated in eebdba8.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -56,7 +56,7 @@ if(CCACHE_PROGRAM)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS true)
 
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9)
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
 
 include(GNUInstallDirs)
 
