Update buildroot to 2024.02.2, kernel to 6.6.2, GPU & DRM drivers, nwipe to v0.37 plus many others.

package/pkg-cargo.mk

@@ -53,6 +53,106 @@ PKG_CARGO_ENV = \
 	CARGO_HOST_RUSTFLAGS="$(addprefix -C link-args=,$(HOST_LDFLAGS))" \
 	CARGO_TARGET_$(call UPPERCASE,$(RUSTC_TARGET_NAME))_LINKER=$(notdir $(TARGET_CROSS))gcc
 
+# We always set both CARGO_PROFILE_DEV and CARGO_PROFILE_RELEASE
+# as we are unable to select a build profile using the environment.
+#
+# Other cargo profiles generally derive from these two profiles.
+
+# Disable incremental compilation to match release default.
+#
+# Set codegen-units to release default.
+#
+# Set split-debuginfo to default off for ELF platforms.
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_INCREMENTAL="false" \
+	CARGO_PROFILE_RELEASE_INCREMENTAL="false" \
+	CARGO_PROFILE_DEV_CODEGEN_UNITS="16" \
+	CARGO_PROFILE_RELEASE_CODEGEN_UNITS="16" \
+	CARGO_PROFILE_DEV_SPLIT_DEBUGINFO="off" \
+	CARGO_PROFILE_RELEASE_SPLIT_DEBUGINFO="off"
+
+# Set the optimization level with the release default as fallback.
+ifeq ($(BR2_OPTIMIZE_0),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="0" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="0"
+else ifeq ($(BR2_OPTIMIZE_1),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="1" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="1"
+else ifeq ($(BR2_OPTIMIZE_2),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="2" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="2"
+else ifeq ($(BR2_OPTIMIZE_3),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="3" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="3"
+else ifeq ($(BR2_OPTIMIZE_G),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="0" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="0"
+else ifeq ($(BR2_OPTIMIZE_S),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="s" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="s"
+else ifeq ($(BR2_OPTIMIZE_FAST),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="3" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="3"
+else
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_OPT_LEVEL="3" \
+	CARGO_PROFILE_RELEASE_OPT_LEVEL="3"
+endif
+
+ifeq ($(BR2_ENABLE_LTO),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_LTO="true" \
+	CARGO_PROFILE_RELEASE_LTO="true"
+else
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_LTO="false" \
+	CARGO_PROFILE_RELEASE_LTO="false"
+endif
+
+
+ifeq ($(BR2_ENABLE_DEBUG),y)
+ifeq ($(BR2_DEBUG_3),y)
+# full debug info
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_DEBUG="2" \
+	CARGO_PROFILE_RELEASE_DEBUG="2"
+else
+# line tables only
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_DEBUG="1" \
+	CARGO_PROFILE_RELEASE_DEBUG="1"
+endif
+else
+# no debug info
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_DEBUG="0" \
+	CARGO_PROFILE_RELEASE_DEBUG="0"
+endif
+
+# Enabling debug-assertions enables the runtime debug_assert! macro.
+#
+# Enabling overflow-checks enables runtime panic on integer overflow.
+ifeq ($(BR2_ENABLE_RUNTIME_DEBUG),y)
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_DEBUG_ASSERTIONS="true" \
+	CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="true" \
+	CARGO_PROFILE_DEV_OVERFLOW_CHECKS="true" \
+	CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="true"
+else
+PKG_CARGO_ENV += \
+	CARGO_PROFILE_DEV_DEBUG_ASSERTIONS="false" \
+	CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="false" \
+	CARGO_PROFILE_DEV_OVERFLOW_CHECKS="false" \
+	CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="false"
+endif
+
 #
 # This is a workaround for https://github.com/rust-lang/compiler-builtins/issues/420
 # and should be removed when fixed upstream
@@ -95,9 +195,22 @@ ifneq ($$($(2)_SUBDIR),)
 $(2)_DL_ENV += BR_CARGO_MANIFEST_PATH=$$($(2)_SUBDIR)/Cargo.toml
 endif
 
+# Because we append vendored info, we can't rely on the values being empty
+# once we eventually get into the generic-package infra. So, we duplicate
+# the heuristics here
+ifndef $(2)_LICENSE
+ ifdef $(3)_LICENSE
+  $(2)_LICENSE = $$($(3)_LICENSE)
+ endif
+endif
+
 # Due to vendoring, it is pretty likely that not all licenses are
-# listed in <pkg>_LICENSE.
+# listed in <pkg>_LICENSE. If the license is unset, it is "unknown"
+# so adding unknowns to some unknown is still some other unkown,
+# so don't append the blurb in that case.
+ifneq ($$($(2)_LICENSE),)
 $(2)_LICENSE += , vendored dependencies licenses probably not listed
+endif
 
 # Note: in all the steps below, we "cd" into the build directory to
 # execute the "cargo" tool instead of passing $(@D)/Cargo.toml as the