Update to SDL3

1 files changed, 34 insertions, 0 deletions

diff --git a/src/contrib/SDL-3.2.20/cmake/PkgConfigHelper.cmake b/src/contrib/SDL-3.2.20/cmake/PkgConfigHelper.cmake
new file mode 100644
index 0000000..7070fac
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/cmake/PkgConfigHelper.cmake
@@ -0,0 +1,34 @@
+# Helper for Find modules
+
+function(get_flags_from_pkg_config _library _pc_prefix _out_prefix)
+  if("${_library}" MATCHES "${CMAKE_STATIC_LIBRARY_SUFFIX}$")
+    set(_cflags ${_pc_prefix}_STATIC_CFLAGS_OTHER)
+    set(_link_libraries ${_pc_prefix}_STATIC_LIBRARIES)
+    set(_link_options ${_pc_prefix}_STATIC_LDFLAGS_OTHER)
+    set(_library_dirs ${_pc_prefix}_STATIC_LIBRARY_DIRS)
+  else()
+    set(_cflags ${_pc_prefix}_CFLAGS_OTHER)
+    set(_link_libraries ${_pc_prefix}_LIBRARIES)
+    set(_link_options ${_pc_prefix}_LDFLAGS_OTHER)
+    set(_library_dirs ${_pc_prefix}_LIBRARY_DIRS)
+  endif()
+
+  # The *_LIBRARIES lists always start with the library itself
+  list(POP_FRONT "${_link_libraries}")
+
+  # Work around CMake's flag deduplication when pc files use `-framework A` instead of `-Wl,-framework,A`
+  string(REPLACE "-framework;" "-Wl,-framework," "_filtered_link_options" "${${_link_options}}")
+
+  set(${_out_prefix}_compile_options
+      "${${_cflags}}"
+      PARENT_SCOPE)
+  set(${_out_prefix}_link_libraries
+      "${${_link_libraries}}"
+      PARENT_SCOPE)
+  set(${_out_prefix}_link_options
+      "${_filtered_link_options}"
+      PARENT_SCOPE)
+  set(${_out_prefix}_link_directories
+      "${${_library_dirs}}"
+      PARENT_SCOPE)
+endfunction()