[cmake, docs] Reorganize CMakeModules directory and add GentooCross toolchain (#4088)

Lightly inspired by my earlier toolchain and writeup from the PowerPC
PR.

Closes #3793

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4088
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

1 files changed, 22 insertions, 0 deletions

diff --git a/CMakeModules/find/FindRenderDoc.cmake b/CMakeModules/find/FindRenderDoc.cmake
new file mode 100644
index 0000000000..8ac4271a36
--- /dev/null
+++ b/CMakeModules/find/FindRenderDoc.cmake
@@ -0,0 +1,22 @@
+# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# SPDX-FileCopyrightText: 2023 Alexandre Bouvier <contact@amb.tf>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+find_path(RenderDoc_INCLUDE_DIR renderdoc_app.h)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(RenderDoc
+    REQUIRED_VARS RenderDoc_INCLUDE_DIR
+)
+
+if (RenderDoc_FOUND AND NOT TARGET RenderDoc::API)
+    add_library(RenderDoc::API INTERFACE IMPORTED)
+    set_target_properties(RenderDoc::API PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${RenderDoc_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(RenderDoc_INCLUDE_DIR)