SDL: Allow empty default values to the dep_option macro

From 5abd67691787d94f16531e9cfa05a9a477f3a5b1 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Tue, 7 Jun 2022 04:28:55 +0200
Subject: [PATCH] Allow empty default values to the dep_option macro

---
 CMakeLists.txt     | 5 -----
 cmake/macros.cmake | 4 ++--
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5e0e344e98..bf3f42710a0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -483,11 +483,6 @@ set(SDL_SHARED ${SDL_SHARED_ENABLED_BY_DEFAULT} CACHE BOOL "Build a shared versi
 set(SDL_STATIC ${SDL_STATIC_ENABLED_BY_DEFAULT} CACHE BOOL "Build a static version of the library")
 set(SDL_TEST   ${SDL_TEST_ENABLED_BY_DEFAULT} CACHE BOOL "Build the SDL2_test library")
 
-# Some platforms have CMAKE_POSITION_INDEPENDENT_CODE not defined
-if(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
-  set(CMAKE_POSITION_INDEPENDENT_CODE FALSE)
-endif()
-
 dep_option(SDL_STATIC_PIC      "Static version of the library should be built with Position Independent Code" "${CMAKE_POSITION_INDEPENDENT_CODE}" "SDL_STATIC" OFF)
 dep_option(SDL_TESTS           "Build the test directory" OFF SDL_TEST OFF)
 set_option(SDL_INSTALL_TESTS   "Install test-cases" OFF)
diff --git a/cmake/macros.cmake b/cmake/macros.cmake
index 62621ddfa53..af7512257c6 100644
--- a/cmake/macros.cmake
+++ b/cmake/macros.cmake
@@ -17,8 +17,8 @@ macro(SET_OPTION _NAME _DESC)
 endmacro()
 
 macro(DEP_OPTION _NAME _DESC _DEFLT _DEPTEST _FAILDFLT)
-  add_to_alloptions(${_NAME})
-  cmake_dependent_option(${_NAME} ${_DESC} ${_DEFLT} ${_DEPTEST} ${_FAILDFLT})
+  add_to_alloptions("${_NAME}")
+  cmake_dependent_option("${_NAME}" "${_DESC}" "${_DEFLT}" "${_DEPTEST}" "${_FAILDFLT}")
 endmacro()
 
 macro(OPTION_STRING _NAME _DESC _VALUE)